{"id":84197,"date":"2026-07-26T09:17:35","date_gmt":"2026-07-26T01:17:35","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/84197.html"},"modified":"2026-07-26T09:17:35","modified_gmt":"2026-07-26T01:17:35","slug":"minio%e5%a4%a7%e6%96%87%e4%bb%b6%e4%b8%8a%e4%bc%a0%e6%b7%b1%e5%ba%a6%e6%8b%86%e8%a7%a3%ef%bc%9a%e4%bb%8e%e5%8e%9f%e7%90%86%e5%88%b0%e7%94%9f%e4%ba%a7%e8%90%bd%e5%9c%b0%e7%9a%84%e5%ae%8c%e6%95%b4","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/84197.html","title":{"rendered":"MinIO\u5927\u6587\u4ef6\u4e0a\u4f20\u6df1\u5ea6\u62c6\u89e3\uff1a\u4ece\u539f\u7406\u5230\u751f\u4ea7\u843d\u5730\u7684\u5b8c\u6574\u6307\u5357"},"content":{"rendered":"<p>\u4f60\u4ee5\u4e3a\u6587\u4ef6\u4e0a\u4f20\u5c31\u662f multipartFile.transferTo()&#xff1f;\u5f53\u6587\u4ef6\u53d8\u62102GB\u7684\u89c6\u9891\u300110GB\u7684\u6570\u636e\u5305\u65f6&#xff0c;\u4e00\u5207\u90fd\u53d8\u4e86\u3002 \u2014\u2014 \u4e00\u7bc7\u7528\u4ee3\u7801\u6d41\u7a0b\u62c6\u89e3\u5927\u6587\u4ef6\u4e0a\u4f20\u7684\u5b9e\u6218\u624b\u518c<\/p>\n<p>\u9605\u8bfb\u65f6\u95f4&#xff1a;\u7ea640\u5206\u949f | \u6db5\u76d6&#xff1a;\u5206\u7247\u4e0a\u4f20\u539f\u7406 \/ Presigned URL \/ \u65ad\u70b9\u7eed\u4f20 \/ \u524d\u7aef\u5207\u7247 \/ Spring Boot\u96c6\u6210 \/ \u751f\u4ea7Checklist<\/p>\n<hr \/>\n<h3>&#x1f4d1; \u76ee\u5f55<\/h3>\n<li>\u5e8f\u7ae0&#xff1a;\u4e3a\u4ec0\u4e48\u5927\u6587\u4ef6\u4e0a\u4f20\u662f\u4e2a&#034;\u8001\u5927\u96be&#034;<\/li>\n<li>\u7b2c\u4e00\u5e55&#xff1a;MinIO \u2014 \u4f60\u7684\u79c1\u6709S3<\/li>\n<li>\u7b2c\u4e8c\u5e55&#xff1a;\u5355\u6b21\u4e0a\u4f20 vs \u5206\u7247\u4e0a\u4f20<\/li>\n<li>\u7b2c\u4e09\u5e55&#xff1a;\u5206\u7247\u4e0a\u4f20\u5b8c\u6574\u6d41\u7a0b\u62c6\u89e3<\/li>\n<li>\u7b2c\u56db\u5e55&#xff1a;\u524d\u7aef\u5207\u7247\u4e0e\u5e76\u884c\u4e0a\u4f20<\/li>\n<li>\u7b2c\u4e94\u5e55&#xff1a;Presigned URL \u2014 \u8ba9\u524d\u7aef\u76f4\u8fdeMinIO<\/li>\n<li>\u7b2c\u516d\u5e55&#xff1a;\u65ad\u70b9\u7eed\u4f20 \u2014 \u4e0a\u4f20\u5230\u4e00\u534a\u65ad\u4e86\u600e\u4e48\u529e<\/li>\n<li>\u7b2c\u4e03\u5e55&#xff1a;Spring Boot\u96c6\u6210\u5b9e\u6218<\/li>\n<li>\u7b2c\u516b\u5e55&#xff1a;\u6027\u80fd\u8c03\u4f18 \u2014 \u628a\u901f\u5ea6\u62c9\u6ee1<\/li>\n<li>\u7b2c\u4e5d\u5e55&#xff1a;\u751f\u4ea7\u73af\u5883Checklist<\/li>\n<li>\u53c2\u8003\u6587\u732e<\/li>\n<hr \/>\n<h3>&#x1f3ac; \u5e8f\u7ae0&#xff1a;\u4e3a\u4ec0\u4e48\u5927\u6587\u4ef6\u4e0a\u4f20\u662f\u4e2a&#034;\u8001\u5927\u96be&#034;<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726011727-6a656027ef63d.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>\u4f20\u7edf\u6587\u4ef6\u4e0a\u4f20\u7684\u56f0\u5883<\/h4>\n<p>\u5728Web\u5e94\u7528\u4e2d&#xff0c;\u6587\u4ef6\u4e0a\u4f20\u662f\u6700\u5e38\u89c1\u7684\u529f\u80fd\u4e4b\u4e00\u3002\u4f46\u5f53\u6587\u4ef6\u53d8\u5927\u65f6&#xff0c;\u4f20\u7edf\u7684\u4e0a\u4f20\u65b9\u5f0f\u5c31\u4f1a\u9047\u5230\u4e00\u7cfb\u5217\u95ee\u9898&#xff1a;<\/p>\n<p>\u573a\u666f\u8fd8\u539f&#xff1a; \u4f60\u5728\u505a\u4e00\u4e2a\u89c6\u9891\u5e73\u53f0&#xff0c;\u7528\u6237\u8981\u4e0a\u4f20\u4e00\u4e2a2.5GB\u7684\u89c6\u9891\u6587\u4ef6\u3002<\/p>\n<p>\u4f20\u7edf\u505a\u6cd5&#xff1a;<\/p>\n<p><span class=\"token annotation punctuation\">&#064;PostMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/upload&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">upload<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;RequestParam<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;file&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">MultipartFile<\/span> file<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    file<span class=\"token punctuation\">.<\/span><span class=\"token function\">transferTo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">File<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/data\/videos\/&#034;<\/span> <span class=\"token operator\">&#043;<\/span> file<span class=\"token punctuation\">.<\/span><span class=\"token function\">getOriginalFilename<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;success&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u9047\u5230\u4ec0\u4e48\u95ee\u9898&#xff1f;<\/p>\n<li>\u8bf7\u6c42\u8d85\u65f6&#xff1a;2.5GB\u7684\u6587\u4ef6\u5728\u7f51\u7edc\u4e0a\u4f20\u8f93\u9700\u8981\u5f88\u957f\u65f6\u95f4&#xff0c;Nginx\u9ed8\u8ba4\u7684 client_max_body_size \u662f1MB&#xff0c;Tomcat\u9ed8\u8ba4\u4e5f\u6709\u5927\u5c0f\u9650\u5236<\/li>\n<li>\u5185\u5b58\u6ea2\u51fa&#xff1a;Spring\u7684 MultipartFile \u9ed8\u8ba4\u4f1a\u628a\u6574\u4e2a\u6587\u4ef6\u8bfb\u5165\u5185\u5b58\u6216\u4e34\u65f6\u6587\u4ef6&#xff0c;2.5GB\u76f4\u63a5\u628a\u5185\u5b58\u6491\u7206<\/li>\n<li>\u7f51\u7edc\u4e2d\u65ad&#xff1a;\u4f20\u5230\u4e00\u534a\u65ad\u7f51\u4e86&#xff0c;\u5f97\u4ece\u5934\u518d\u6765\u3002\u7528\u6237\u4e0a\u4f20\u4e862GB&#xff0c;\u65ad\u4e86&#xff0c;\u91cd\u4f202.5GB\u2014\u2014\u7528\u6237\u4f53\u9a8c\u6781\u5dee<\/li>\n<li>\u540e\u7aef\u74f6\u9888&#xff1a;\u6240\u6709\u6570\u636e\u90fd\u7ecf\u8fc7\u540e\u7aef\u670d\u52a1\u5668&#xff0c;\u540e\u7aef\u6210\u4e86\u5e26\u5bbd\u74f6\u9888<\/li>\n<li>\u6ca1\u6709\u8fdb\u5ea6&#xff1a;\u7528\u6237\u4e0d\u77e5\u9053\u4e0a\u4f20\u4e86\u591a\u5c11&#xff0c;\u53ea\u80fd\u770b\u7740\u8f6c\u5708<\/li>\n<p>\u7ed3\u8bba&#xff1a;\u5927\u6587\u4ef6\u4e0a\u4f20&#xff08;&gt;100MB&#xff09;\u5fc5\u987b\u7528\u5206\u7247\u4e0a\u4f20&#xff08;Multipart Upload&#xff09;\u3002<\/p>\n<h4>\u672c\u6587\u7684\u76ee\u6807<\/h4>\n<p>\u8bfb\u5b8c\u8fd9\u7bc7\u6587\u7ae0&#xff0c;\u4f60\u5c06\u638c\u63e1&#xff1a;<\/p>\n<ul>\n<li>MinIO\u7684\u5206\u7247\u4e0a\u4f20\u539f\u7406\u548cAPI<\/li>\n<li>\u524d\u7aef\u5982\u4f55\u5207\u7247\u3001\u5e76\u884c\u4e0a\u4f20\u3001\u663e\u793a\u8fdb\u5ea6<\/li>\n<li>\u5982\u4f55\u7528Presigned URL\u8ba9\u524d\u7aef\u76f4\u4f20MinIO&#xff08;\u540e\u7aef\u4e0d\u505a\u4ee3\u7406&#xff09;<\/li>\n<li>\u5982\u4f55\u5b9e\u73b0\u65ad\u70b9\u7eed\u4f20&#xff08;\u6682\u505c\/\u6062\u590d\u4e0a\u4f20&#xff09;<\/li>\n<li>\u5982\u4f55\u7528Spring Boot\u96c6\u6210MinIO\u5b9e\u73b0\u5b8c\u6574\u7684\u4e0a\u4f20\u670d\u52a1<\/li>\n<li>\u751f\u4ea7\u73af\u5883\u7684\u5b89\u5168\u3001\u6027\u80fd\u3001\u53ef\u9760\u6027Checklist<\/li>\n<\/ul>\n<hr \/>\n<h3>&#x1f3e0; \u7b2c\u4e00\u5e55&#xff1a;MinIO \u2014 \u4f60\u7684\u79c1\u6709S3<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726011728-6a65602883cf5.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>1.1 MinIO\u662f\u4ec0\u4e48&#xff1f;<\/h4>\n<p>MinIO\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684\u5bf9\u8c61\u5b58\u50a8\u670d\u52a1&#xff0c;\u517c\u5bb9Amazon S3 API\u3002\u4f60\u53ef\u4ee5\u628a\u5b83\u7406\u89e3\u4e3a&#034;\u79c1\u6709\u90e8\u7f72\u7684S3&#034;\u3002<\/p>\n<p>\u4e3a\u4ec0\u4e48\u9009MinIO\u800c\u4e0d\u662f\u76f4\u63a5\u7528AWS S3&#xff1f;<\/p>\n<table>\n<tr>\u5bf9\u6bd4\u7ef4\u5ea6MinIOAWS S3<\/tr>\n<tbody>\n<tr>\n<td>\u90e8\u7f72\u65b9\u5f0f<\/td>\n<td>\u81ea\u5efa&#xff08;Docker\/K8s&#xff09;<\/td>\n<td>\u4e91\u670d\u52a1<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u636e\u63a7\u5236<\/td>\n<td>\u5b8c\u5168\u81ea\u63a7<\/td>\n<td>\u5b58\u5728AWS<\/td>\n<\/tr>\n<tr>\n<td>\u6210\u672c<\/td>\n<td>\u786c\u4ef6\u6210\u672c<\/td>\n<td>\u6309\u91cf\u4ed8\u8d39&#xff08;\u6d41\u91cf\u8d35&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>S3\u517c\u5bb9<\/td>\n<td>100%\u517c\u5bb9<\/td>\n<td>\u539f\u751f<\/td>\n<\/tr>\n<tr>\n<td>\u6027\u80fd<\/td>\n<td>\u6781\u9ad8&#xff08;32GiB\/s\u8bfb\u53d6&#xff09;<\/td>\n<td>\u9ad8<\/td>\n<\/tr>\n<tr>\n<td>\u9002\u7528\u573a\u666f<\/td>\n<td>\u79c1\u6709\u4e91\u3001\u5185\u7f51\u3001\u5408\u89c4\u8981\u6c42<\/td>\n<td>\u516c\u6709\u4e91\u3001\u5168\u7403\u5316<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>1.2 \u5feb\u901f\u90e8\u7f72MinIO<\/h4>\n<p><span class=\"token comment\"># Docker\u4e00\u952e\u90e8\u7f72<\/span><br \/>\n<span class=\"token function\">docker<\/span> run <span class=\"token parameter variable\">-d<\/span> <span class=\"token punctuation\">\\\\<\/span><br \/>\n  <span class=\"token parameter variable\">&#8211;name<\/span> minio <span class=\"token punctuation\">\\\\<\/span><br \/>\n  <span class=\"token parameter variable\">-p<\/span> <span class=\"token number\">9000<\/span>:9000 <span class=\"token punctuation\">\\\\<\/span><br \/>\n  <span class=\"token parameter variable\">-p<\/span> <span class=\"token number\">9001<\/span>:9001 <span class=\"token punctuation\">\\\\<\/span><br \/>\n  <span class=\"token parameter variable\">-e<\/span> <span class=\"token string\">&#034;MINIO_ROOT_USER&#061;admin&#034;<\/span> <span class=\"token punctuation\">\\\\<\/span><br \/>\n  <span class=\"token parameter variable\">-e<\/span> <span class=\"token string\">&#034;MINIO_ROOT_PASSWORD&#061;admin123456&#034;<\/span> <span class=\"token punctuation\">\\\\<\/span><br \/>\n  <span class=\"token parameter variable\">-v<\/span> \/data\/minio:\/data <span class=\"token punctuation\">\\\\<\/span><br \/>\n  minio\/minio server \/data &#8211;console-address <span class=\"token string\">&#034;:9001&#034;<\/span><\/p>\n<p><span class=\"token comment\"># \u8bbf\u95ee\u63a7\u5236\u53f0: http:\/\/localhost:9001<\/span><br \/>\n<span class=\"token comment\"># API\u5730\u5740: http:\/\/localhost:9000<\/span><\/p>\n<h4>1.3 \u6838\u5fc3\u6982\u5ff5<\/h4>\n<table>\n<tr>\u6982\u5ff5\u8bf4\u660e\u7c7b\u6bd4<\/tr>\n<tbody>\n<tr>\n<td>Bucket<\/td>\n<td>\u5b58\u50a8\u6876&#xff0c;\u6587\u4ef6\u7684\u9876\u5c42\u5bb9\u5668<\/td>\n<td>\u6587\u4ef6\u7cfb\u7edf\u7684\u6839\u76ee\u5f55<\/td>\n<\/tr>\n<tr>\n<td>Object<\/td>\n<td>\u5bf9\u8c61&#xff0c;\u4e00\u4e2a\u6587\u4ef6\u5c31\u662f\u4e00\u4e2a\u5bf9\u8c61<\/td>\n<td>\u6587\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>Key<\/td>\n<td>\u5bf9\u8c61\u7684\u552f\u4e00\u6807\u8bc6&#xff08;\u8def\u5f84&#xff09;<\/td>\n<td>\u6587\u4ef6\u8def\u5f84<\/td>\n<\/tr>\n<tr>\n<td>Presigned URL<\/td>\n<td>\u9884\u7b7e\u540dURL&#xff0c;\u4e34\u65f6\u6388\u6743\u8bbf\u95ee<\/td>\n<td>\u4e00\u6b21\u6027\u901a\u884c\u8bc1<\/td>\n<\/tr>\n<tr>\n<td>Multipart Upload<\/td>\n<td>\u5206\u7247\u4e0a\u4f20<\/td>\n<td>\u5206\u6bb5\u5feb\u9012<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u2696\ufe0f \u7b2c\u4e8c\u5e55&#xff1a;\u5355\u6b21\u4e0a\u4f20 vs \u5206\u7247\u4e0a\u4f20<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726011729-6a656029135f4.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>2.1 \u4e24\u79cd\u4e0a\u4f20\u65b9\u5f0f\u5bf9\u6bd4<\/h4>\n<p>\u88681&#xff1a;\u5355\u6b21\u4e0a\u4f20 vs \u5206\u7247\u4e0a\u4f20\u5168\u9762\u5bf9\u6bd4<\/p>\n<table>\n<tr>\u5bf9\u6bd4\u7ef4\u5ea6\u5355\u6b21\u4e0a\u4f20 (PUT Object)\u5206\u7247\u4e0a\u4f20 (Multipart Upload)<\/tr>\n<tbody>\n<tr>\n<td>\u6700\u5927\u6587\u4ef6\u5927\u5c0f<\/td>\n<td>5GB (MinIO\u9650\u5236)<\/td>\n<td>5 TiB<\/td>\n<\/tr>\n<tr>\n<td>\u8bf7\u6c42\u8d85\u65f6\u98ce\u9669<\/td>\n<td>\u9ad8&#xff08;\u6587\u4ef6\u8d8a\u5927\u8d8a\u5bb9\u6613\u8d85\u65f6&#xff09;<\/td>\n<td>\u4f4e&#xff08;\u6bcf\u4e2a\u5206\u7247\u72ec\u7acb\u8bf7\u6c42&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u65ad\u70b9\u7eed\u4f20<\/td>\n<td>\u274c \u4e0d\u652f\u6301<\/td>\n<td>\u2705 \u652f\u6301&#xff08;\u8df3\u8fc7\u5df2\u5b8c\u6210\u5206\u7247&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u5e76\u884c\u4e0a\u4f20<\/td>\n<td>\u274c \u5355\u8bf7\u6c42<\/td>\n<td>\u2705 \u591a\u5206\u7247\u5e76\u884c<\/td>\n<\/tr>\n<tr>\n<td>\u8fdb\u5ea6\u8ffd\u8e2a<\/td>\n<td>\u7c97\u7c92\u5ea6&#xff08;\u6574\u4f53\u8fdb\u5ea6&#xff09;<\/td>\n<td>\u7ec6\u7c92\u5ea6&#xff08;\u6bcf\u4e2a\u5206\u7247\u8fdb\u5ea6&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u540e\u7aef\u4ee3\u7406<\/td>\n<td>\u5fc5\u987b&#xff08;\u6587\u4ef6\u7ecf\u8fc7\u540e\u7aef&#xff09;<\/td>\n<td>\u53ef\u9009&#xff08;Presigned URL\u76f4\u4f20&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u5185\u5b58\u5360\u7528<\/td>\n<td>\u9ad8&#xff08;\u6574\u4e2a\u6587\u4ef6\u7f13\u5b58&#xff09;<\/td>\n<td>\u4f4e&#xff08;\u6bcf\u6b21\u53ea\u5904\u7406\u4e00\u4e2a\u5206\u7247&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u9002\u7528\u573a\u666f<\/td>\n<td>\u5c0f\u6587\u4ef6&#xff08;&lt;100MB&#xff09;<\/td>\n<td>\u5927\u6587\u4ef6&#xff08;&gt;100MB&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>API\u8c03\u7528\u6b21\u6570<\/td>\n<td>1\u6b21<\/td>\n<td>N&#043;1\u6b21&#xff08;N\u4e2a\u5206\u7247 &#043; 1\u6b21\u5b8c\u6210&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>MinIO API<\/td>\n<td>putObject()<\/td>\n<td>createMultipartUpload() &#043; uploadPart() &#043; completeMultipartUpload()<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>2.2 \u5206\u7247\u4e0a\u4f20\u7684\u4e09\u6b65\u66f2<\/h4>\n<p>\u5206\u7247\u4e0a\u4f20\u7684\u6838\u5fc3\u6d41\u7a0b\u53ea\u6709\u4e09\u6b65&#xff1a;<\/p>\n<p>1. Init&#xff08;\u521d\u59cb\u5316&#xff09;<br \/>\n   -&gt; createMultipartUpload(bucket, key)<br \/>\n   &lt;- \u8fd4\u56de uploadId<\/p>\n<p>2. Upload Parts&#xff08;\u4e0a\u4f20\u5206\u7247&#xff09;<br \/>\n   -&gt; uploadPart(bucket, key, uploadId, partNumber, data)<br \/>\n   &lt;- \u8fd4\u56de ETag&#xff08;\u6bcf\u4e2a\u5206\u7247\u7684\u6821\u9a8c\u503c&#xff09;<\/p>\n<p>3. Complete&#xff08;\u5408\u5e76\u5b8c\u6210&#xff09;<br \/>\n   -&gt; completeMultipartUpload(bucket, key, uploadId, parts[])<br \/>\n   &lt;- \u5bf9\u8c61\u521b\u5efa\u5b8c\u6210<\/p>\n<p>&#x1f4e6; \u5feb\u9012\u7c7b\u6bd4&#xff1a; \u5c31\u50cf\u5bc4\u4e00\u4e2a\u5927\u4ef6\u5bb6\u5177\u3002\u4f60\u4e0d\u80fd\u6574\u4e2a\u585e\u8fdb\u4e00\u4e2a\u5feb\u9012\u7bb1&#xff0c;\u800c\u662f\u62c6\u6210\u51e0\u4ef6\u5206\u522b\u5bc4\u3002\u6536\u4ef6\u4eba\u6536\u5230\u6240\u6709\u4ef6\u540e&#xff0c;\u7ec4\u88c5\u6210\u5b8c\u6574\u7684\u5bb6\u5177\u3002uploadId \u5c31\u662f\u5feb\u9012\u5355\u53f7&#xff0c;ETag \u5c31\u662f\u6bcf\u4e2a\u5305\u88f9\u7684\u7b7e\u6536\u786e\u8ba4\u3002<\/p>\n<hr \/>\n<h3>&#x1f504; \u7b2c\u4e09\u5e55&#xff1a;\u5206\u7247\u4e0a\u4f20\u5b8c\u6574\u6d41\u7a0b\u62c6\u89e3<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726011729-6a65602997149.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>3.1 \u5b8c\u6574\u65f6\u5e8f&#xff08;12\u6b65&#xff09;<\/h4>\n<p>\u8ba9\u6211\u4eec\u8ffd\u8e2a\u4e00\u4e2a2.5GB\u89c6\u9891\u6587\u4ef6\u7684\u5b8c\u6574\u4e0a\u4f20\u6d41\u7a0b&#xff1a;<\/p>\n<p>Step 1&#xff1a;\u7528\u6237\u9009\u62e9\u6587\u4ef6<\/p>\n<p>\u524d\u7aef: \u7528\u6237\u901a\u8fc7 &lt;input type&#061;&#034;file&#034;&gt; \u9009\u62e9 video.mp4 (2.5GB)<\/p>\n<p>Step 2&#xff1a;\u524d\u7aef\u8bf7\u6c42\u540e\u7aef\u521d\u59cb\u5316\u4e0a\u4f20<\/p>\n<p>POST \/api\/upload\/init<br \/>\nContent-Type: application\/json<\/p>\n<p>{<br \/>\n  &#034;filename&#034;: &#034;video.mp4&#034;,<br \/>\n  &#034;filesize&#034;: 2684354560,<br \/>\n  &#034;fileHash&#034;: &#034;sha256:a1b2c3d4&#8230;&#034;<br \/>\n}<\/p>\n<p>Step 3&#xff1a;\u540e\u7aef\u8c03\u7528MinIO\u521b\u5efa\u5206\u7247\u4e0a\u4f20<\/p>\n<p><span class=\"token comment\">\/\/ \u540e\u7aef\u4ee3\u7801<\/span><br \/>\n<span class=\"token class-name\">CreateMultipartUploadResponse<\/span> response <span class=\"token operator\">&#061;<\/span> minioClient<span class=\"token punctuation\">.<\/span><span class=\"token function\">createMultipartUpload<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token class-name\">CreateMultipartUploadArgs<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">bucket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;videos&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">object<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;2025\/07\/video.mp4&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">contentType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;video\/mp4&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">String<\/span> uploadId <span class=\"token operator\">&#061;<\/span> response<span class=\"token punctuation\">.<\/span><span class=\"token function\">result<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">uploadId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>Step 4&#xff1a;\u540e\u7aef\u751f\u6210Presigned URL<\/p>\n<p><span class=\"token comment\">\/\/ \u4e3a\u6bcf\u4e2a\u5206\u7247\u751f\u6210\u4e00\u4e2a\u9884\u7b7e\u540dURL<\/span><br \/>\n<span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> presignedUrls <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ArrayList<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;&#061;<\/span> totalParts<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token class-name\">String<\/span> url <span class=\"token operator\">&#061;<\/span> minioClient<span class=\"token punctuation\">.<\/span><span class=\"token function\">getPresignedObjectUrl<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        <span class=\"token class-name\">GetPresignedObjectUrlArgs<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">method<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Method<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">PUT<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">bucket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;videos&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">object<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;2025\/07\/video.mp4&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">extraQueryParams<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">of<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                <span class=\"token string\">&#034;partNumber&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">valueOf<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token string\">&#034;uploadId&#034;<\/span><span class=\"token punctuation\">,<\/span> uploadId<br \/>\n            <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">expiry<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">TimeUnit<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">HOURS<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    presignedUrls<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>Step 5&#xff1a;\u540e\u7aef\u8fd4\u56de\u7ed9\u524d\u7aef<\/p>\n<p><span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token string-property property\">&#034;uploadId&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;abc-123-def-456&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token string-property property\">&#034;partSize&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">10485760<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token string-property property\">&#034;totalParts&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">250<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token string-property property\">&#034;presignedUrls&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n    <span class=\"token string\">&#034;https:\/\/minio.example.com\/videos\/2025\/07\/video.mp4?partNumber&#061;1&amp;uploadId&#061;abc-123&amp;X-Amz-&#8230;&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token string\">&#034;https:\/\/minio.example.com\/videos\/2025\/07\/video.mp4?partNumber&#061;2&amp;uploadId&#061;abc-123&amp;X-Amz-&#8230;&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token operator\">&#8230;<\/span><br \/>\n  <span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>Step 6&#xff1a;\u524d\u7aef\u5207\u7247<\/p>\n<p><span class=\"token keyword\">const<\/span> <span class=\"token constant\">CHUNK_SIZE<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">10<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ 10MB<\/span><br \/>\n<span class=\"token keyword\">const<\/span> chunks <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> start <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> start <span class=\"token operator\">&lt;<\/span> file<span class=\"token punctuation\">.<\/span>size<span class=\"token punctuation\">;<\/span> start <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token constant\">CHUNK_SIZE<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    chunks<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">.<\/span><span class=\"token function\">slice<\/span><span class=\"token punctuation\">(<\/span>start<span class=\"token punctuation\">,<\/span> start <span class=\"token operator\">&#043;<\/span> <span class=\"token constant\">CHUNK_SIZE<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token comment\">\/\/ chunks.length &#061; 250<\/span><\/p>\n<p>Step 7-9&#xff1a;\u524d\u7aef\u5e76\u884c\u4e0a\u4f20\u5206\u7247\u5230MinIO<\/p>\n<p><span class=\"token comment\">\/\/ 3\u4e2a\u5e76\u53d1<\/span><br \/>\n<span class=\"token keyword\">const<\/span> concurrency <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">const<\/span> results <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> chunks<span class=\"token punctuation\">.<\/span>length<span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&#043;&#061;<\/span> concurrency<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> batch <span class=\"token operator\">&#061;<\/span> chunks<span class=\"token punctuation\">.<\/span><span class=\"token function\">slice<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token punctuation\">,<\/span> i <span class=\"token operator\">&#043;<\/span> concurrency<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> promises <span class=\"token operator\">&#061;<\/span> batch<span class=\"token punctuation\">.<\/span><span class=\"token function\">map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">chunk<span class=\"token punctuation\">,<\/span> idx<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">const<\/span> partNumber <span class=\"token operator\">&#061;<\/span> i <span class=\"token operator\">&#043;<\/span> idx <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> axios<span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span>presignedUrls<span class=\"token punctuation\">[<\/span>partNumber <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> chunk<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token literal-property property\">headers<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token string-property property\">&#039;Content-Type&#039;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;application\/octet-stream&#039;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">then<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">res<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n            partNumber<span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token literal-property property\">etag<\/span><span class=\"token operator\">:<\/span> res<span class=\"token punctuation\">.<\/span>headers<span class=\"token punctuation\">.<\/span>etag<br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    results<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8230;<\/span><span class=\"token keyword\">await<\/span> Promise<span class=\"token punctuation\">.<\/span><span class=\"token function\">all<\/span><span class=\"token punctuation\">(<\/span>promises<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u66f4\u65b0\u8fdb\u5ea6: results.length \/ totalParts * 100 &#043; &#039;%&#039;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>Step 10&#xff1a;\u524d\u7aef\u901a\u77e5\u540e\u7aef\u4e0a\u4f20\u5b8c\u6210<\/p>\n<p>POST \/api\/upload\/complete<br \/>\nContent-Type: application\/json<\/p>\n<p>{<br \/>\n  &#034;uploadId&#034;: &#034;abc-123-def-456&#034;,<br \/>\n  &#034;parts&#034;: [<br \/>\n    {&#034;partNumber&#034;: 1, &#034;etag&#034;: &#034;etag-1&#034;},<br \/>\n    {&#034;partNumber&#034;: 2, &#034;etag&#034;: &#034;etag-2&#034;},<br \/>\n    &#8230;<br \/>\n  ]<br \/>\n}<\/p>\n<p>Step 11&#xff1a;\u540e\u7aef\u8c03\u7528MinIO\u5408\u5e76\u5206\u7247<\/p>\n<p><span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Part<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> parts <span class=\"token operator\">&#061;<\/span> partList<span class=\"token punctuation\">.<\/span><span class=\"token function\">stream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">.<\/span><span class=\"token function\">map<\/span><span class=\"token punctuation\">(<\/span>p <span class=\"token operator\">-&gt;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Part<\/span><span class=\"token punctuation\">(<\/span>p<span class=\"token punctuation\">.<\/span><span class=\"token function\">getPartNumber<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> p<span class=\"token punctuation\">.<\/span><span class=\"token function\">getEtag<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">.<\/span><span class=\"token function\">collect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Collectors<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toList<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>minioClient<span class=\"token punctuation\">.<\/span><span class=\"token function\">completeMultipartUpload<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token class-name\">CompleteMultipartUploadArgs<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">bucket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;videos&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">object<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;2025\/07\/video.mp4&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">uploadId<\/span><span class=\"token punctuation\">(<\/span>uploadId<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">parts<\/span><span class=\"token punctuation\">(<\/span>parts<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>Step 12&#xff1a;\u5bf9\u8c61\u521b\u5efa\u5b8c\u6210&#xff01;<\/p>\n<p>MinIO\u5c06\u6240\u6709\u5206\u7247\u5408\u5e76\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u5bf9\u8c61\u3002\u7528\u6237\u53ef\u4ee5\u901a\u8fc7URL\u8bbf\u95ee\u8fd9\u4e2a\u89c6\u9891\u4e86\u3002<\/p>\n<h4>3.2 \u5b8c\u6574UploadService\u5b9e\u73b0<\/h4>\n<p>\u4e0b\u9762\u662f\u540e\u7aef UploadService \u7684\u5b8c\u6574\u4ee3\u7801&#xff0c;\u5305\u542b\u521d\u59cb\u5316\u3001\u5b8c\u6210\u3001\u4e2d\u6b62\u3001\u67e5\u8be2\u5df2\u4e0a\u4f20\u5206\u7247\u7b49\u6240\u6709\u65b9\u6cd5&#xff1a;<\/p>\n<p><span class=\"token annotation punctuation\">&#064;Service<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">UploadService<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">MinioClient<\/span> minioClient<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">FileRecordMapper<\/span> fileRecordMapper<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">StringRedisTemplate<\/span> redisTemplate<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token constant\">BUCKET<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;videos&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token keyword\">long<\/span> <span class=\"token constant\">PART_SIZE<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">10<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ 10MB<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u521d\u59cb\u5316\u5206\u7247\u4e0a\u4f20<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">UploadInitVO<\/span> <span class=\"token function\">initMultipartUpload<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> filename<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">long<\/span> fileSize<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span> fileHash<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ 1. \u79d2\u4f20\u68c0\u67e5&#xff1a;\u6587\u4ef6\u54c8\u5e0c\u662f\u5426\u5df2\u5b58\u5728<\/span><br \/>\n        <span class=\"token class-name\">FileRecord<\/span> existing <span class=\"token operator\">&#061;<\/span> fileRecordMapper<span class=\"token punctuation\">.<\/span><span class=\"token function\">selectByHash<\/span><span class=\"token punctuation\">(<\/span>fileHash<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>existing <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">UploadInitVO<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">duplicate<\/span><span class=\"token punctuation\">(<\/span>existing<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUrl<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 2. \u68c0\u67e5\u662f\u5426\u6709\u672a\u5b8c\u6210\u7684\u4e0a\u4f20&#xff08;\u65ad\u70b9\u7eed\u4f20&#xff09;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> cachedUploadId <span class=\"token operator\">&#061;<\/span> redisTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">opsForValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;upload:progress:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> fileHash<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>cachedUploadId <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u67e5\u8be2MinIO\u5df2\u4e0a\u4f20\u7684\u5206\u7247<\/span><br \/>\n            <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Integer<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> uploadedParts <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getUploadedParts<\/span><span class=\"token punctuation\">(<\/span>cachedUploadId<span class=\"token punctuation\">,<\/span> <span class=\"token function\">generateKey<\/span><span class=\"token punctuation\">(<\/span>filename<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>uploadedParts<span class=\"token punctuation\">.<\/span><span class=\"token function\">isEmpty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">UploadInitVO<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">resume<\/span><span class=\"token punctuation\">(<\/span>cachedUploadId<span class=\"token punctuation\">,<\/span> <span class=\"token function\">generateKey<\/span><span class=\"token punctuation\">(<\/span>filename<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> uploadedParts<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 3. \u521b\u5efa\u65b0\u7684\u5206\u7247\u4e0a\u4f20<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> objectKey <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">generateKey<\/span><span class=\"token punctuation\">(<\/span>filename<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">CreateMultipartUploadResponse<\/span> response <span class=\"token operator\">&#061;<\/span> minioClient<span class=\"token punctuation\">.<\/span><span class=\"token function\">createMultipartUpload<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            <span class=\"token class-name\">CreateMultipartUploadArgs<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">bucket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">BUCKET<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">object<\/span><span class=\"token punctuation\">(<\/span>objectKey<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">contentType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">getContentType<\/span><span class=\"token punctuation\">(<\/span>filename<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> uploadId <span class=\"token operator\">&#061;<\/span> response<span class=\"token punctuation\">.<\/span><span class=\"token function\">result<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">uploadId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 4. \u8ba1\u7b97\u5206\u7247\u6570<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> totalParts <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">Math<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">ceil<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">double<\/span><span class=\"token punctuation\">)<\/span> fileSize <span class=\"token operator\">\/<\/span> <span class=\"token constant\">PART_SIZE<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 5. \u751f\u6210Presigned URL&#xff08;\u6279\u91cf&#xff09;<\/span><br \/>\n        <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> presignedUrls <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">generatePresignedUrls<\/span><span class=\"token punctuation\">(<\/span>objectKey<span class=\"token punctuation\">,<\/span> uploadId<span class=\"token punctuation\">,<\/span> totalParts<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 6. \u7f13\u5b58\u4e0a\u4f20\u8fdb\u5ea6<\/span><br \/>\n        redisTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">opsForValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            <span class=\"token string\">&#034;upload:progress:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> fileHash<span class=\"token punctuation\">,<\/span><br \/>\n            uploadId<span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token number\">24<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">TimeUnit<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">HOURS<\/span><br \/>\n        <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">UploadInitVO<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">newUpload<\/span><span class=\"token punctuation\">(<\/span>uploadId<span class=\"token punctuation\">,<\/span> objectKey<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">PART_SIZE<\/span><span class=\"token punctuation\">,<\/span> totalParts<span class=\"token punctuation\">,<\/span> presignedUrls<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6279\u91cf\u751f\u6210Presigned URL<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">generatePresignedUrls<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> objectKey<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span> uploadId<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> totalParts<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> urls <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ArrayList<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;&#061;<\/span> totalParts<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> url <span class=\"token operator\">&#061;<\/span> minioClient<span class=\"token punctuation\">.<\/span><span class=\"token function\">getPresignedObjectUrl<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                <span class=\"token class-name\">GetPresignedObjectUrlArgs<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">method<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Method<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">PUT<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">bucket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">BUCKET<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">object<\/span><span class=\"token punctuation\">(<\/span>objectKey<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">extraQueryParams<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">of<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                        <span class=\"token string\">&#034;partNumber&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">valueOf<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;uploadId&#034;<\/span><span class=\"token punctuation\">,<\/span> uploadId<br \/>\n                    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">expiry<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">TimeUnit<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">HOURS<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            urls<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> urls<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u5b8c\u6210\u5206\u7247\u4e0a\u4f20<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">completeMultipartUpload<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> uploadId<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span> objectKey<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">PartInfo<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> parts<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ 1. \u6784\u5efaPart\u5217\u8868<\/span><br \/>\n        <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Part<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> partList <span class=\"token operator\">&#061;<\/span> parts<span class=\"token punctuation\">.<\/span><span class=\"token function\">stream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">map<\/span><span class=\"token punctuation\">(<\/span>p <span class=\"token operator\">-&gt;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Part<\/span><span class=\"token punctuation\">(<\/span>p<span class=\"token punctuation\">.<\/span><span class=\"token function\">getPartNumber<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> p<span class=\"token punctuation\">.<\/span><span class=\"token function\">getEtag<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">sorted<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Comparator<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">comparing<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Part<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">partNumber<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">collect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Collectors<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toList<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 2. \u8c03\u7528MinIO\u5408\u5e76\u5206\u7247<\/span><br \/>\n        minioClient<span class=\"token punctuation\">.<\/span><span class=\"token function\">completeMultipartUpload<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            <span class=\"token class-name\">CompleteMultipartUploadArgs<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">bucket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">BUCKET<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">object<\/span><span class=\"token punctuation\">(<\/span>objectKey<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">uploadId<\/span><span class=\"token punctuation\">(<\/span>uploadId<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">parts<\/span><span class=\"token punctuation\">(<\/span>partList<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 3. \u751f\u6210\u8bbf\u95eeURL<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> url <span class=\"token operator\">&#061;<\/span> minioClient<span class=\"token punctuation\">.<\/span><span class=\"token function\">getPresignedObjectUrl<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            <span class=\"token class-name\">GetPresignedObjectUrlArgs<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">method<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Method<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">GET<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">bucket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">BUCKET<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">object<\/span><span class=\"token punctuation\">(<\/span>objectKey<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">expiry<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">7<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">TimeUnit<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">DAYS<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 4. \u4fdd\u5b58\u6587\u4ef6\u8bb0\u5f55\u5230\u6570\u636e\u5e93<\/span><br \/>\n        <span class=\"token class-name\">FileRecord<\/span> record <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FileRecord<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        record<span class=\"token punctuation\">.<\/span><span class=\"token function\">setObjectKey<\/span><span class=\"token punctuation\">(<\/span>objectKey<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        record<span class=\"token punctuation\">.<\/span><span class=\"token function\">setUrl<\/span><span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        record<span class=\"token punctuation\">.<\/span><span class=\"token function\">setUploadId<\/span><span class=\"token punctuation\">(<\/span>uploadId<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        record<span class=\"token punctuation\">.<\/span><span class=\"token function\">setPartCount<\/span><span class=\"token punctuation\">(<\/span>partList<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        record<span class=\"token punctuation\">.<\/span><span class=\"token function\">setStatus<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;completed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        record<span class=\"token punctuation\">.<\/span><span class=\"token function\">setCreatedAt<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">LocalDateTime<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        fileRecordMapper<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span>record<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 5. \u6e05\u7406Redis\u7f13\u5b58<\/span><br \/>\n        redisTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">delete<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;upload:progress:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> objectKey<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Multipart upload completed: {} ({} parts)&#034;<\/span><span class=\"token punctuation\">,<\/span> objectKey<span class=\"token punctuation\">,<\/span> partList<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> url<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u4e2d\u6b62\u5206\u7247\u4e0a\u4f20<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">abortMultipartUpload<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> uploadId<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span> objectKey<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            minioClient<span class=\"token punctuation\">.<\/span><span class=\"token function\">abortMultipartUpload<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                <span class=\"token class-name\">AbortMultipartUploadArgs<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">bucket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">BUCKET<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">object<\/span><span class=\"token punctuation\">(<\/span>objectKey<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">uploadId<\/span><span class=\"token punctuation\">(<\/span>uploadId<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Multipart upload aborted: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> objectKey<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">warn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Failed to abort upload: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> e<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u67e5\u8be2\u5df2\u4e0a\u4f20\u7684\u5206\u7247\u5217\u8868<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Integer<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">getUploadedParts<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> uploadId<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span> objectKey<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">ListPartsResponse<\/span> response <span class=\"token operator\">&#061;<\/span> minioClient<span class=\"token punctuation\">.<\/span><span class=\"token function\">listParts<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            <span class=\"token class-name\">ListPartsArgs<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">bucket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">BUCKET<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">object<\/span><span class=\"token punctuation\">(<\/span>objectKey<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">uploadId<\/span><span class=\"token punctuation\">(<\/span>uploadId<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> response<span class=\"token punctuation\">.<\/span><span class=\"token function\">result<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">partList<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">stream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Part<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">partNumber<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">collect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Collectors<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toList<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u751f\u6210\u5bf9\u8c61Key&#xff08;\u6309\u65e5\u671f\u5206\u76ee\u5f55&#xff09;<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">generateKey<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> filename<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> date <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">LocalDate<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">DateTimeFormatter<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">ofPattern<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;yyyy\/MM\/dd&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> uuid <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">UUID<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">randomUUID<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">replace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;-&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> ext <span class=\"token operator\">&#061;<\/span> filename<span class=\"token punctuation\">.<\/span><span class=\"token function\">contains<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;.&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">?<\/span> filename<span class=\"token punctuation\">.<\/span><span class=\"token function\">substring<\/span><span class=\"token punctuation\">(<\/span>filename<span class=\"token punctuation\">.<\/span><span class=\"token function\">lastIndexOf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;.&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> date <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;\/&#034;<\/span> <span class=\"token operator\">&#043;<\/span> uuid <span class=\"token operator\">&#043;<\/span> ext<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6839\u636e\u6587\u4ef6\u540d\u63a8\u65adContent-Type<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">getContentType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> filename<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> ext <span class=\"token operator\">&#061;<\/span> filename<span class=\"token punctuation\">.<\/span><span class=\"token function\">contains<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;.&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">?<\/span> filename<span class=\"token punctuation\">.<\/span><span class=\"token function\">substring<\/span><span class=\"token punctuation\">(<\/span>filename<span class=\"token punctuation\">.<\/span><span class=\"token function\">lastIndexOf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;.&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toLowerCase<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">switch<\/span> <span class=\"token punctuation\">(<\/span>ext<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> <span class=\"token string\">&#034;.mp4&#034;<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token string\">&#034;video\/mp4&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> <span class=\"token string\">&#034;.jpg&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;.jpeg&#034;<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token string\">&#034;image\/jpeg&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> <span class=\"token string\">&#034;.png&#034;<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token string\">&#034;image\/png&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> <span class=\"token string\">&#034;.pdf&#034;<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token string\">&#034;application\/pdf&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">case<\/span> <span class=\"token string\">&#034;.zip&#034;<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token string\">&#034;application\/zip&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">default<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token string\">&#034;application\/octet-stream&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>3.3 DTO\/VO\u5b9a\u4e49<\/h4>\n<p><span class=\"token comment\">\/\/ \u8bf7\u6c42DTO<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Data<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">UploadInitDTO<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> filename<span class=\"token punctuation\">;<\/span>     <span class=\"token comment\">\/\/ \u539f\u59cb\u6587\u4ef6\u540d<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">long<\/span> fileSize<span class=\"token punctuation\">;<\/span>       <span class=\"token comment\">\/\/ \u6587\u4ef6\u5927\u5c0f&#xff08;\u5b57\u8282&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> fileHash<span class=\"token punctuation\">;<\/span>     <span class=\"token comment\">\/\/ \u6587\u4ef6\u54c8\u5e0c&#xff08;\u79d2\u4f20&#043;\u65ad\u70b9\u7eed\u4f20\u7528&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> contentType<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ MIME\u7c7b\u578b<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Data<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">UploadCompleteDTO<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> uploadId<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> objectKey<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">PartInfo<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> parts<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Data<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">PartInfo<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">int<\/span> partNumber<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> etag<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u54cd\u5e94VO<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Data<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">UploadInitVO<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> uploadId<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> objectKey<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">long<\/span> partSize<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">int<\/span> totalParts<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> presignedUrls<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">boolean<\/span> duplicate<span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u662f\u5426\u79d2\u4f20<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">boolean<\/span> resume<span class=\"token punctuation\">;<\/span>       <span class=\"token comment\">\/\/ \u662f\u5426\u65ad\u70b9\u7eed\u4f20<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Integer<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> uploadedParts<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5df2\u4e0a\u4f20\u7684\u5206\u7247&#xff08;\u65ad\u70b9\u7eed\u4f20\u65f6\u6709\u503c&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> existingUrl<span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/ \u79d2\u4f20\u65f6\u7684\u5df2\u6709URL<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5de5\u5382\u65b9\u6cd5<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token class-name\">UploadInitVO<\/span> <span class=\"token function\">newUpload<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> uploadId<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span> objectKey<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">long<\/span> partSize<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> totalParts<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> urls<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token class-name\">UploadInitVO<\/span> <span class=\"token function\">duplicate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> url<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token class-name\">UploadInitVO<\/span> <span class=\"token function\">resume<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> uploadId<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span> objectKey<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Integer<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> parts<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>3.4 \u6570\u636e\u5e93\u8bbe\u8ba1<\/h4>\n<p><span class=\"token keyword\">CREATE<\/span> <span class=\"token keyword\">TABLE<\/span> file_record <span class=\"token punctuation\">(<\/span><br \/>\n    id <span class=\"token keyword\">BIGINT<\/span> <span class=\"token keyword\">PRIMARY<\/span> <span class=\"token keyword\">KEY<\/span> <span class=\"token keyword\">AUTO_INCREMENT<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    object_key <span class=\"token keyword\">VARCHAR<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">500<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">NOT<\/span> <span class=\"token boolean\">NULL<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;MinIO\u5bf9\u8c61Key&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    original_name <span class=\"token keyword\">VARCHAR<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">255<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">NOT<\/span> <span class=\"token boolean\">NULL<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u539f\u59cb\u6587\u4ef6\u540d&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    file_hash <span class=\"token keyword\">VARCHAR<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">64<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">NOT<\/span> <span class=\"token boolean\">NULL<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u6587\u4ef6\u54c8\u5e0c(SHA-256)&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    file_size <span class=\"token keyword\">BIGINT<\/span> <span class=\"token operator\">NOT<\/span> <span class=\"token boolean\">NULL<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u6587\u4ef6\u5927\u5c0f(\u5b57\u8282)&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    content_type <span class=\"token keyword\">VARCHAR<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;MIME\u7c7b\u578b&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    upload_id <span class=\"token keyword\">VARCHAR<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u5206\u7247\u4e0a\u4f20ID&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    part_count <span class=\"token keyword\">INT<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u5206\u7247\u6570\u91cf&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token keyword\">status<\/span> <span class=\"token keyword\">VARCHAR<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">DEFAULT<\/span> <span class=\"token string\">&#039;uploading&#039;<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;uploading\/completed\/failed&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    url <span class=\"token keyword\">VARCHAR<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u8bbf\u95eeURL&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    user_id <span class=\"token keyword\">BIGINT<\/span> <span class=\"token keyword\">COMMENT<\/span> <span class=\"token string\">&#039;\u4e0a\u4f20\u7528\u6237ID&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    created_at <span class=\"token keyword\">DATETIME<\/span> <span class=\"token keyword\">DEFAULT<\/span> <span class=\"token keyword\">CURRENT_TIMESTAMP<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    updated_at <span class=\"token keyword\">DATETIME<\/span> <span class=\"token keyword\">DEFAULT<\/span> <span class=\"token keyword\">CURRENT_TIMESTAMP<\/span> <span class=\"token keyword\">ON<\/span> <span class=\"token keyword\">UPDATE<\/span> <span class=\"token keyword\">CURRENT_TIMESTAMP<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token keyword\">INDEX<\/span> idx_hash <span class=\"token punctuation\">(<\/span>file_hash<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token keyword\">INDEX<\/span> idx_user <span class=\"token punctuation\">(<\/span>user_id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token keyword\">INDEX<\/span> idx_status <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">status<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">ENGINE<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token keyword\">InnoDB<\/span> <span class=\"token keyword\">DEFAULT<\/span> <span class=\"token keyword\">CHARSET<\/span><span class=\"token operator\">&#061;<\/span>utf8mb4<span class=\"token punctuation\">;<\/span><\/p>\n<h4>3.5 \u5173\u952e\u70b9&#xff1a;\u4e3a\u4ec0\u4e48\u7528Presigned URL&#xff1f;<\/h4>\n<p>\u4f20\u7edf\u65b9\u5f0f&#xff08;\u7ecf\u8fc7\u540e\u7aef\u4ee3\u7406&#xff09;&#xff1a;<\/p>\n<p>\u524d\u7aef &#8211;[2.5GB]&#8211;&gt; \u540e\u7aef &#8211;[2.5GB]&#8211;&gt; MinIO<\/p>\n<p>\u540e\u7aef\u627f\u53d7\u4e862\u500d\u7684\u5e26\u5bbd\u538b\u529b&#xff0c;\u800c\u4e14\u5185\u5b58\u53ef\u80fd\u88ab\u6491\u7206\u3002<\/p>\n<p>Presigned URL\u65b9\u5f0f&#xff08;\u76f4\u4f20&#xff09;&#xff1a;<\/p>\n<p>\u524d\u7aef &#8211;[\u8bf7\u6c42URL]&#8211;&gt; \u540e\u7aef&#xff08;\u8fd4\u56deURL&#xff0c;\u51e0\u767e\u5b57\u8282&#xff09;<br \/>\n\u524d\u7aef &#8211;[2.5GB]&#8211;&gt; MinIO&#xff08;\u76f4\u4f20&#xff0c;\u4e0d\u7ecf\u8fc7\u540e\u7aef&#xff09;<\/p>\n<p>\u540e\u7aef\u53ea\u5904\u7406\u51e0\u5341\u5b57\u8282\u7684\u7b7e\u540d\u8bf7\u6c42&#xff0c;\u5927\u6587\u4ef6\u76f4\u63a5\u4f20\u5230MinIO\u3002<\/p>\n<hr \/>\n<h3>\u2702\ufe0f \u7b2c\u56db\u5e55&#xff1a;\u524d\u7aef\u5207\u7247\u4e0e\u5e76\u884c\u4e0a\u4f20<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726011730-6a65602a281c0.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>4.1 File.slice() \u2014 \u6d4f\u89c8\u5668\u539f\u751f\u5207\u7247<\/h4>\n<p>HTML5\u7684 File \u5bf9\u8c61\u7ee7\u627f\u81ea Blob&#xff0c;\u63d0\u4f9b\u4e86 slice() \u65b9\u6cd5&#xff0c;\u53ef\u4ee5\u5728\u4e0d\u8bfb\u53d6\u6574\u4e2a\u6587\u4ef6\u7684\u60c5\u51b5\u4e0b\u5207\u51fa\u4e00\u5757&#xff1a;<\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u5207\u7247\u6587\u4ef6<br \/>\n * &#064;param {File} file &#8211; \u539f\u59cb\u6587\u4ef6<br \/>\n * &#064;param {number} chunkSize &#8211; \u5206\u7247\u5927\u5c0f&#xff08;\u5b57\u8282&#xff09;<br \/>\n * &#064;returns {Blob[]} &#8211; \u5206\u7247\u6570\u7ec4<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">function<\/span> <span class=\"token function\">chunkFile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">file<span class=\"token punctuation\">,<\/span> chunkSize <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">10<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> chunks <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">let<\/span> start <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>start <span class=\"token operator\">&lt;<\/span> file<span class=\"token punctuation\">.<\/span>size<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">const<\/span> end <span class=\"token operator\">&#061;<\/span> Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">min<\/span><span class=\"token punctuation\">(<\/span>start <span class=\"token operator\">&#043;<\/span> chunkSize<span class=\"token punctuation\">,<\/span> file<span class=\"token punctuation\">.<\/span>size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        chunks<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">.<\/span><span class=\"token function\">slice<\/span><span class=\"token punctuation\">(<\/span>start<span class=\"token punctuation\">,<\/span> end<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        start <span class=\"token operator\">&#061;<\/span> end<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> chunks<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5173\u952e\u70b9&#xff1a;<\/p>\n<ul>\n<li>slice() \u4e0d\u4f1a\u590d\u5236\u6570\u636e&#xff0c;\u53ea\u662f\u521b\u5efa\u4e00\u4e2a\u6307\u5411\u539f\u6587\u4ef6\u6307\u5b9a\u533a\u57df\u7684\u5f15\u7528<\/li>\n<li>\u6bcf\u4e2achunk\u662f\u4e00\u4e2a Blob \u5bf9\u8c61&#xff0c;\u53ef\u4ee5\u76f4\u63a5\u4f5c\u4e3aHTTP\u8bf7\u6c42\u4f53\u53d1\u9001<\/li>\n<li>\u5207\u7247\u64cd\u4f5c\u51e0\u4e4e\u662f\u77ac\u65f6\u7684&#xff08;O(1)&#xff0c;\u4e0d\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9&#xff09;<\/li>\n<\/ul>\n<h4>4.2 \u5e76\u884c\u4e0a\u4f20\u961f\u5217<\/h4>\n<p><span class=\"token comment\">\/**<br \/>\n * \u5e76\u884c\u4e0a\u4f20\u7ba1\u7406\u5668<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ParallelUploader<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">constructor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">options <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>concurrency <span class=\"token operator\">&#061;<\/span> options<span class=\"token punctuation\">.<\/span>concurrency <span class=\"token operator\">||<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u5e76\u53d1\u6570<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>retryCount <span class=\"token operator\">&#061;<\/span> options<span class=\"token punctuation\">.<\/span>retryCount <span class=\"token operator\">||<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span>     <span class=\"token comment\">\/\/ \u91cd\u8bd5\u6b21\u6570<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>onProgress <span class=\"token operator\">&#061;<\/span> options<span class=\"token punctuation\">.<\/span>onProgress <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">async<\/span> <span class=\"token function\">upload<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">chunks<span class=\"token punctuation\">,<\/span> presignedUrls<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">const<\/span> results <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">let<\/span> completed <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u521b\u5efa\u4e0a\u4f20\u4efb\u52a1\u961f\u5217<\/span><br \/>\n        <span class=\"token keyword\">const<\/span> tasks <span class=\"token operator\">&#061;<\/span> chunks<span class=\"token punctuation\">.<\/span><span class=\"token function\">map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">chunk<span class=\"token punctuation\">,<\/span> i<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n            chunk<span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token literal-property property\">partNumber<\/span><span class=\"token operator\">:<\/span> i <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token literal-property property\">url<\/span><span class=\"token operator\">:<\/span> presignedUrls<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token literal-property property\">retries<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5e76\u884c\u6267\u884c<\/span><br \/>\n        <span class=\"token keyword\">const<\/span> executing <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> task <span class=\"token keyword\">of<\/span> tasks<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">const<\/span> promise <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">uploadPart<\/span><span class=\"token punctuation\">(<\/span>task<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">then<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">result<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                completed<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">onProgress<\/span><span class=\"token punctuation\">(<\/span>completed<span class=\"token punctuation\">,<\/span> chunks<span class=\"token punctuation\">.<\/span>length<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                results<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            executing<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>promise<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>executing<span class=\"token punctuation\">.<\/span>length <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>concurrency<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">await<\/span> Promise<span class=\"token punctuation\">.<\/span><span class=\"token function\">race<\/span><span class=\"token punctuation\">(<\/span>executing<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                executing<span class=\"token punctuation\">.<\/span><span class=\"token function\">splice<\/span><span class=\"token punctuation\">(<\/span>executing<span class=\"token punctuation\">.<\/span><span class=\"token function\">findIndex<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">p<\/span> <span class=\"token operator\">&#061;&gt;<\/span> p <span class=\"token operator\">&#061;&#061;&#061;<\/span> promise<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">await<\/span> Promise<span class=\"token punctuation\">.<\/span><span class=\"token function\">all<\/span><span class=\"token punctuation\">(<\/span>executing<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> results<span class=\"token punctuation\">.<\/span><span class=\"token function\">sort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">a<span class=\"token punctuation\">,<\/span> b<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> a<span class=\"token punctuation\">.<\/span>partNumber <span class=\"token operator\">&#8211;<\/span> b<span class=\"token punctuation\">.<\/span>partNumber<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">async<\/span> <span class=\"token function\">uploadPart<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">task<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>retryCount<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">const<\/span> response <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> axios<span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span>task<span class=\"token punctuation\">.<\/span>url<span class=\"token punctuation\">,<\/span> task<span class=\"token punctuation\">.<\/span>chunk<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token literal-property property\">headers<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token string-property property\">&#039;Content-Type&#039;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;application\/octet-stream&#039;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    <span class=\"token literal-property property\">timeout<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">300000<\/span>  <span class=\"token comment\">\/\/ 5\u5206\u949f\u8d85\u65f6<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token literal-property property\">partNumber<\/span><span class=\"token operator\">:<\/span> task<span class=\"token punctuation\">.<\/span>partNumber<span class=\"token punctuation\">,<\/span><br \/>\n                    <span class=\"token literal-property property\">etag<\/span><span class=\"token operator\">:<\/span> response<span class=\"token punctuation\">.<\/span>headers<span class=\"token punctuation\">.<\/span>etag<br \/>\n                <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span>err<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>i <span class=\"token operator\">&#061;&#061;&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>retryCount<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throw<\/span> err<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u6307\u6570\u9000\u907f<\/span><br \/>\n                <span class=\"token keyword\">await<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Promise<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">r<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token function\">setTimeout<\/span><span class=\"token punctuation\">(<\/span>r<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1000<\/span> <span class=\"token operator\">*<\/span> Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">pow<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> i<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>4.3 \u5b8c\u6574Vue3\u4e0a\u4f20\u7ec4\u4ef6<\/h4>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u751f\u4ea7\u7ea7\u7684Vue3\u4e0a\u4f20\u7ec4\u4ef6&#xff0c;\u5305\u542b\u5207\u7247\u3001\u5e76\u884c\u4e0a\u4f20\u3001\u8fdb\u5ea6\u6761\u3001\u6682\u505c\/\u6062\u590d\u529f\u80fd&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ composables\/useMultipartUpload.ts<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> ref<span class=\"token punctuation\">,<\/span> computed <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;vue&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> axios <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;axios&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> SparkMD5 <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;spark-md5&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">UploadState<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  fileHash<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  uploadId<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  objectKey<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  totalParts<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  completedParts<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  status<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;idle&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token string\">&#039;hashing&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token string\">&#039;uploading&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token string\">&#039;paused&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token string\">&#039;completed&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token string\">&#039;error&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  progress<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  speed<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ bytes per second<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">useMultipartUpload<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> state <span class=\"token operator\">&#061;<\/span> <span class=\"token generic-function\"><span class=\"token function\">ref<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>UploadState<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n    fileHash<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    uploadId<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    objectKey<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    totalParts<span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    completedParts<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    status<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;idle&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    progress<span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    speed<span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">const<\/span> isPaused <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ref<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> abortController <span class=\"token operator\">&#061;<\/span> <span class=\"token generic-function\"><span class=\"token function\">ref<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>AbortController <span class=\"token operator\">|<\/span> <span class=\"token keyword\">null<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u8ba1\u7b97\u6587\u4ef6\u54c8\u5e0c&#xff08;Web Worker&#xff09;<\/span><br \/>\n  <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">computeFileHash<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token operator\">:<\/span> File<span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token builtin\">Promise<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token builtin\">string<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\"><span class=\"token builtin\">Promise<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>resolve<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">const<\/span> worker <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Worker<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/workers\/hash-worker.js&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      worker<span class=\"token punctuation\">.<\/span><span class=\"token function\">postMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> file <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      worker<span class=\"token punctuation\">.<\/span><span class=\"token function-variable function\">onmessage<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>e<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">resolve<\/span><span class=\"token punctuation\">(<\/span>e<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>hash<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        worker<span class=\"token punctuation\">.<\/span><span class=\"token function\">terminate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u5207\u7247<\/span><br \/>\n  <span class=\"token keyword\">function<\/span> <span class=\"token function\">chunkFile<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token operator\">:<\/span> File<span class=\"token punctuation\">,<\/span> chunkSize<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> Blob<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> chunks<span class=\"token operator\">:<\/span> Blob<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> start <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> start <span class=\"token operator\">&lt;<\/span> file<span class=\"token punctuation\">.<\/span>size<span class=\"token punctuation\">;<\/span> start <span class=\"token operator\">&#043;&#061;<\/span> chunkSize<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      chunks<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">.<\/span><span class=\"token function\">slice<\/span><span class=\"token punctuation\">(<\/span>start<span class=\"token punctuation\">,<\/span> Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">min<\/span><span class=\"token punctuation\">(<\/span>start <span class=\"token operator\">&#043;<\/span> chunkSize<span class=\"token punctuation\">,<\/span> file<span class=\"token punctuation\">.<\/span>size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> chunks<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u4e3b\u4e0a\u4f20\u51fd\u6570<\/span><br \/>\n  <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">upload<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token operator\">:<\/span> File<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>status <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;hashing&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 1. \u8ba1\u7b97\u6587\u4ef6\u54c8\u5e0c<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> fileHash <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">computeFileHash<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>fileHash <span class=\"token operator\">&#061;<\/span> fileHash<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 2. \u68c0\u67e5\u79d2\u4f20<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> checkRes <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> axios<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/api\/upload\/check&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span> params<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> fileHash <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>checkRes<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>exists<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>status <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;completed&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>progress <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">return<\/span> checkRes<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>url<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 3. \u521d\u59cb\u5316\u4e0a\u4f20<\/span><br \/>\n    state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>status <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;uploading&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> initRes <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> axios<span class=\"token punctuation\">.<\/span><span class=\"token function\">post<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/api\/upload\/init&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      filename<span class=\"token operator\">:<\/span> file<span class=\"token punctuation\">.<\/span>name<span class=\"token punctuation\">,<\/span><br \/>\n      fileSize<span class=\"token operator\">:<\/span> file<span class=\"token punctuation\">.<\/span>size<span class=\"token punctuation\">,<\/span><br \/>\n      fileHash<span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">{<\/span> uploadId<span class=\"token punctuation\">,<\/span> objectKey<span class=\"token punctuation\">,<\/span> partSize<span class=\"token punctuation\">,<\/span> totalParts<span class=\"token punctuation\">,<\/span> presignedUrls<span class=\"token punctuation\">,<\/span> uploadedParts <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">&#061;<\/span> initRes<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">;<\/span><\/p>\n<p>    state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>uploadId <span class=\"token operator\">&#061;<\/span> uploadId<span class=\"token punctuation\">;<\/span><br \/>\n    state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>objectKey <span class=\"token operator\">&#061;<\/span> objectKey<span class=\"token punctuation\">;<\/span><br \/>\n    state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>totalParts <span class=\"token operator\">&#061;<\/span> totalParts<span class=\"token punctuation\">;<\/span><br \/>\n    state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>completedParts <span class=\"token operator\">&#061;<\/span> uploadedParts <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 4. \u5207\u7247<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> chunks <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">chunkFile<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">,<\/span> partSize<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 5. \u5e76\u884c\u4e0a\u4f20&#xff08;\u8df3\u8fc7\u5df2\u5b8c\u6210\u7684&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> startTime <span class=\"token operator\">&#061;<\/span> Date<span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> concurrency <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> pending<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> chunks<span class=\"token punctuation\">.<\/span>length<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>completedParts<span class=\"token punctuation\">.<\/span><span class=\"token function\">includes<\/span><span class=\"token punctuation\">(<\/span>i <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        pending<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">let<\/span> uploaded <span class=\"token operator\">&#061;<\/span> state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>completedParts<span class=\"token punctuation\">.<\/span>length<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> executing<span class=\"token operator\">:<\/span> <span class=\"token builtin\">Promise<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> chunkIdx <span class=\"token keyword\">of<\/span> pending<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>isPaused<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>      <span class=\"token keyword\">const<\/span> promise <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">uploadPart<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        presignedUrls<span class=\"token punctuation\">[<\/span>chunkIdx<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        chunks<span class=\"token punctuation\">[<\/span>chunkIdx<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        chunkIdx <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><br \/>\n      <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">then<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>completedParts<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">.<\/span>partNumber<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        uploaded<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>progress <span class=\"token operator\">&#061;<\/span> Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">round<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>uploaded <span class=\"token operator\">\/<\/span> totalParts<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>speed <span class=\"token operator\">&#061;<\/span> file<span class=\"token punctuation\">.<\/span>size <span class=\"token operator\">\/<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>Date<span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> startTime<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> <span class=\"token punctuation\">(<\/span>uploaded <span class=\"token operator\">\/<\/span> totalParts<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>      executing<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>promise<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>executing<span class=\"token punctuation\">.<\/span>length <span class=\"token operator\">&gt;&#061;<\/span> concurrency<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">await<\/span> <span class=\"token builtin\">Promise<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">race<\/span><span class=\"token punctuation\">(<\/span>executing<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        executing<span class=\"token punctuation\">.<\/span><span class=\"token function\">splice<\/span><span class=\"token punctuation\">(<\/span>executing<span class=\"token punctuation\">.<\/span><span class=\"token function\">findIndex<\/span><span class=\"token punctuation\">(<\/span>p <span class=\"token operator\">&#061;&gt;<\/span> p <span class=\"token operator\">&#061;&#061;&#061;<\/span> promise<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">await<\/span> <span class=\"token builtin\">Promise<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">all<\/span><span class=\"token punctuation\">(<\/span>executing<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 6. \u5b8c\u6210<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>isPaused<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">const<\/span> completeRes <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> axios<span class=\"token punctuation\">.<\/span><span class=\"token function\">post<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/api\/upload\/complete&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        uploadId<span class=\"token punctuation\">,<\/span><br \/>\n        objectKey<span class=\"token punctuation\">,<\/span><br \/>\n        parts<span class=\"token operator\">:<\/span> state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>completedParts<span class=\"token punctuation\">.<\/span><span class=\"token function\">map<\/span><span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> partNumber<span class=\"token operator\">:<\/span> n<span class=\"token punctuation\">,<\/span> etag<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;&#039;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>status <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;completed&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">return<\/span> completeRes<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u5355\u5206\u7247\u4e0a\u4f20&#xff08;\u5e26\u91cd\u8bd5&#xff09;<\/span><br \/>\n  <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">uploadPart<\/span><span class=\"token punctuation\">(<\/span>url<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> chunk<span class=\"token operator\">:<\/span> Blob<span class=\"token punctuation\">,<\/span> partNumber<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">,<\/span> retries <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> retries<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">const<\/span> res <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> axios<span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">,<\/span> chunk<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          headers<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token string-property property\">&#039;Content-Type&#039;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;application\/octet-stream&#039;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n          timeout<span class=\"token operator\">:<\/span> <span class=\"token number\">300000<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span> partNumber<span class=\"token punctuation\">,<\/span> etag<span class=\"token operator\">:<\/span> res<span class=\"token punctuation\">.<\/span>headers<span class=\"token punctuation\">.<\/span>etag <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span>err<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>i <span class=\"token operator\">&#061;&#061;&#061;<\/span> retries <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throw<\/span> err<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">await<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\"><span class=\"token builtin\">Promise<\/span><\/span><span class=\"token punctuation\">(<\/span>r <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token function\">setTimeout<\/span><span class=\"token punctuation\">(<\/span>r<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1000<\/span> <span class=\"token operator\">*<\/span> Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">pow<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> i<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;Upload failed after retries&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u6682\u505c<\/span><br \/>\n  <span class=\"token keyword\">function<\/span> <span class=\"token function\">pause<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    isPaused<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>status <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;paused&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u4fdd\u5b58\u72b6\u6001\u5230localStorage<\/span><br \/>\n    localStorage<span class=\"token punctuation\">.<\/span><span class=\"token function\">setItem<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">upload_<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>fileHash<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">JSON<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">stringify<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n      fileHash<span class=\"token operator\">:<\/span> state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>fileHash<span class=\"token punctuation\">,<\/span><br \/>\n      uploadId<span class=\"token operator\">:<\/span> state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>uploadId<span class=\"token punctuation\">,<\/span><br \/>\n      objectKey<span class=\"token operator\">:<\/span> state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>objectKey<span class=\"token punctuation\">,<\/span><br \/>\n      completedParts<span class=\"token operator\">:<\/span> state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>completedParts<span class=\"token punctuation\">,<\/span><br \/>\n      totalParts<span class=\"token operator\">:<\/span> state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>totalParts<span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u6062\u590d<\/span><br \/>\n  <span class=\"token keyword\">function<\/span> <span class=\"token function\">resume<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    isPaused<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    state<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span>status <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;uploading&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span> state<span class=\"token punctuation\">,<\/span> upload<span class=\"token punctuation\">,<\/span> pause<span class=\"token punctuation\">,<\/span> resume<span class=\"token punctuation\">,<\/span> isPaused <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>4.4 Web Worker\u8ba1\u7b97\u6587\u4ef6\u54c8\u5e0c<\/h4>\n<p><span class=\"token comment\">\/\/ public\/workers\/hash-worker.js<\/span><br \/>\n<span class=\"token function\">importScripts<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;https:\/\/cdn.jsdelivr.net\/npm\/spark-md5&#064;3.0.2\/spark-md5.min.js&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>self<span class=\"token punctuation\">.<\/span><span class=\"token function-variable function\">onmessage<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">function<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">e<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> file <span class=\"token operator\">&#061;<\/span> e<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>file<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> chunkSize <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ 2MB<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> spark <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">SparkMD5<span class=\"token punctuation\">.<\/span>ArrayBuffer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> reader <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FileReader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">let<\/span> currentChunk <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> totalChunks <span class=\"token operator\">&#061;<\/span> Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">ceil<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">.<\/span>size <span class=\"token operator\">\/<\/span> chunkSize<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  reader<span class=\"token punctuation\">.<\/span><span class=\"token function-variable function\">onload<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">function<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">e<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    spark<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>e<span class=\"token punctuation\">.<\/span>target<span class=\"token punctuation\">.<\/span>result<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    currentChunk<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>currentChunk <span class=\"token operator\">&lt;<\/span> totalChunks<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token function\">loadNext<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token comment\">\/\/ \u52a0\u4e0a\u6587\u4ef6\u5927\u5c0f\u4f5c\u4e3a\u56e0\u5b50&#xff0c;\u907f\u514d\u4e0d\u540c\u6587\u4ef6\u76f8\u540c\u5185\u5bb9\u7684\u54c8\u5e0c\u78b0\u649e<\/span><br \/>\n      spark<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">TextEncoder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">encode<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">String<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">.<\/span>size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">const<\/span> hash <span class=\"token operator\">&#061;<\/span> spark<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      self<span class=\"token punctuation\">.<\/span><span class=\"token function\">postMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> hash <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">function<\/span> <span class=\"token function\">loadNext<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> start <span class=\"token operator\">&#061;<\/span> currentChunk <span class=\"token operator\">*<\/span> chunkSize<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> end <span class=\"token operator\">&#061;<\/span> Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">min<\/span><span class=\"token punctuation\">(<\/span>start <span class=\"token operator\">&#043;<\/span> chunkSize<span class=\"token punctuation\">,<\/span> file<span class=\"token punctuation\">.<\/span>size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    reader<span class=\"token punctuation\">.<\/span><span class=\"token function\">readAsArrayBuffer<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">.<\/span><span class=\"token function\">slice<\/span><span class=\"token punctuation\">(<\/span>start<span class=\"token punctuation\">,<\/span> end<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token function\">loadNext<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>4.5 \u5206\u7247\u5927\u5c0f\u9009\u62e9<\/h4>\n<p>\u88682&#xff1a;\u5206\u7247\u5927\u5c0f\u5bf9\u4e0a\u4f20\u7684\u5f71\u54cd<\/p>\n<table>\n<tr>\u5206\u7247\u5927\u5c0f\u5206\u7247\u6570\u91cf(1GB\u6587\u4ef6)\u5355\u7247\u4e0a\u4f20\u65f6\u95f4(100Mbps)\u5185\u5b58\u5360\u7528\u5931\u8d25\u91cd\u4f20\u4ee3\u4ef7\u63a8\u8350\u573a\u666f<\/tr>\n<tbody>\n<tr>\n<td>1MB<\/td>\n<td>1024<\/td>\n<td>~0.08s<\/td>\n<td>\u4f4e<\/td>\n<td>\u6781\u4f4e<\/td>\n<td>\u4e0d\u63a8\u8350&#xff08;API\u8c03\u7528\u592a\u591a&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>5MB<\/td>\n<td>204<\/td>\n<td>~0.4s<\/td>\n<td>\u4f4e<\/td>\n<td>\u4f4e<\/td>\n<td>\u5f31\u7f51\u73af\u5883<\/td>\n<\/tr>\n<tr>\n<td>10MB<\/td>\n<td>102<\/td>\n<td>~0.8s<\/td>\n<td>\u4f4e<\/td>\n<td>\u4f4e<\/td>\n<td>\u63a8\u8350&#xff08;\u901a\u7528&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>25MB<\/td>\n<td>41<\/td>\n<td>~2s<\/td>\n<td>\u4e2d<\/td>\n<td>\u4e2d<\/td>\n<td>\u7a33\u5b9a\u7f51\u7edc<\/td>\n<\/tr>\n<tr>\n<td>50MB<\/td>\n<td>21<\/td>\n<td>~4s<\/td>\n<td>\u4e2d<\/td>\n<td>\u4e2d\u9ad8<\/td>\n<td>\u9ad8\u901f\u5185\u7f51<\/td>\n<\/tr>\n<tr>\n<td>100MB<\/td>\n<td>11<\/td>\n<td>~8s<\/td>\n<td>\u9ad8<\/td>\n<td>\u9ad8<\/td>\n<td>\u4e0d\u63a8\u8350<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>MinIO\u9650\u5236&#xff1a;<\/p>\n<ul>\n<li>\u6700\u5c0f\u5206\u7247\u5927\u5c0f&#xff1a;5MB&#xff08;\u6700\u540e\u4e00\u4e2a\u5206\u7247\u53ef\u4ee5\u5c0f\u4e8e5MB&#xff09;<\/li>\n<li>\u6700\u5927\u5206\u7247\u6570&#xff1a;10,000<\/li>\n<li>\u6700\u5927\u5bf9\u8c61\u5927\u5c0f&#xff1a;5 TiB<\/li>\n<\/ul>\n<hr \/>\n<h3>&#x1f510; \u7b2c\u4e94\u5e55&#xff1a;Presigned URL \u2014 \u8ba9\u524d\u7aef\u76f4\u8fdeMinIO<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726011730-6a65602aad07d.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>5.1 Presigned URL\u7684\u672c\u8d28<\/h4>\n<p>Presigned URL\u662f\u4e00\u4e2a\u5e26\u6709AWS Signature V4\u7b7e\u540d\u7684URL&#xff0c;\u5b83\u5141\u8bb8\u4efb\u4f55\u4eba\u7528\u8fd9\u4e2aURL\u5728\u9650\u5b9a\u65f6\u95f4\u5185\u6267\u884c\u6307\u5b9a\u7684\u64cd\u4f5c&#xff08;PUT\/GET&#xff09;&#xff0c;\u800c\u4e0d\u9700\u8981Access Key\u3002<\/p>\n<p><div style=\"width: 640px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-84197-1\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/minio.example.com\/videos\/video.mp4?_=1\" \/><a href=\"https:\/\/minio.example.com\/videos\/video.mp4\">https:\/\/minio.example.com\/videos\/video.mp4<\/a><\/video><\/div><br \/>\n  ?partNumber&#061;1<br \/>\n  &amp;uploadId&#061;abc-123<br \/>\n  &amp;X-Amz-Algorithm&#061;AWS4-HMAC-SHA256<br \/>\n  &amp;X-Amz-Credential&#061;admin\/20250713\/us-east-1\/s3\/aws4_request<br \/>\n  &amp;X-Amz-Date&#061;20250713T080000Z<br \/>\n  &amp;X-Amz-Expires&#061;3600<br \/>\n  &amp;X-Amz-SignedHeaders&#061;host<br \/>\n  &amp;X-Amz-Signature&#061;abcdef1234567890&#8230;<\/p>\n<p>\u5b89\u5168\u7279\u6027&#xff1a;<\/p>\n<ul>\n<li>\u65f6\u6548\u6027&#xff1a;\u8fc7\u671f\u540eURL\u5931\u6548&#xff08;\u9ed8\u8ba47\u5929&#xff0c;\u5efa\u8bae1\u5c0f\u65f6&#xff09;<\/li>\n<li>\u7ed1\u5b9a\u64cd\u4f5c&#xff1a;\u53ea\u80fd\u7528\u4e8e\u6307\u5b9a\u7684HTTP\u65b9\u6cd5&#xff08;PUT\/GET&#xff09;<\/li>\n<li>\u7ed1\u5b9a\u8def\u5f84&#xff1a;\u53ea\u80fd\u64cd\u4f5c\u6307\u5b9a\u7684bucket\u548ckey<\/li>\n<li>\u4e0d\u53ef\u7be1\u6539&#xff1a;\u7b7e\u540d\u8986\u76d6\u4e86\u6240\u6709\u53c2\u6570&#xff0c;\u4fee\u6539\u4efb\u4f55\u53c2\u6570\u90fd\u4f1a\u5bfc\u81f4\u7b7e\u540d\u9a8c\u8bc1\u5931\u8d25<\/li>\n<\/ul>\n<h4>5.2 \u540e\u7aef\u751f\u6210Presigned URL<\/h4>\n<p><span class=\"token annotation punctuation\">&#064;Service<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">UploadService<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">MinioClient<\/span> minioClient<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u521d\u59cb\u5316\u5206\u7247\u4e0a\u4f20&#xff0c;\u8fd4\u56deuploadId\u548c\u9884\u7b7e\u540dURL\u5217\u8868<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">UploadInitResult<\/span> <span class=\"token function\">initMultipartUpload<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> filename<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">long<\/span> fileSize<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> objectKey <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">generateObjectKey<\/span><span class=\"token punctuation\">(<\/span>filename<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ 2025\/07\/uuid.mp4<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> bucket <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;videos&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 1. \u521b\u5efa\u5206\u7247\u4e0a\u4f20<\/span><br \/>\n        <span class=\"token class-name\">CreateMultipartUploadResponse<\/span> response <span class=\"token operator\">&#061;<\/span> minioClient<span class=\"token punctuation\">.<\/span><span class=\"token function\">createMultipartUpload<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            <span class=\"token class-name\">CreateMultipartUploadArgs<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">bucket<\/span><span class=\"token punctuation\">(<\/span>bucket<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">object<\/span><span class=\"token punctuation\">(<\/span>objectKey<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">contentType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">getContentType<\/span><span class=\"token punctuation\">(<\/span>filename<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> uploadId <span class=\"token operator\">&#061;<\/span> response<span class=\"token punctuation\">.<\/span><span class=\"token function\">result<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">uploadId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 2. \u8ba1\u7b97\u5206\u7247\u6570<\/span><br \/>\n        <span class=\"token keyword\">long<\/span> partSize <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">10<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ 10MB<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> totalParts <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token class-name\">Math<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">ceil<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">double<\/span><span class=\"token punctuation\">)<\/span> fileSize <span class=\"token operator\">\/<\/span> partSize<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 3. \u4e3a\u6bcf\u4e2a\u5206\u7247\u751f\u6210Presigned URL<\/span><br \/>\n        <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> presignedUrls <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ArrayList<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;&#061;<\/span> totalParts<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> url <span class=\"token operator\">&#061;<\/span> minioClient<span class=\"token punctuation\">.<\/span><span class=\"token function\">getPresignedObjectUrl<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                <span class=\"token class-name\">GetPresignedObjectUrlArgs<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">method<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Method<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">PUT<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">bucket<\/span><span class=\"token punctuation\">(<\/span>bucket<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">object<\/span><span class=\"token punctuation\">(<\/span>objectKey<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">extraQueryParams<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">of<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                        <span class=\"token string\">&#034;partNumber&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">valueOf<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;uploadId&#034;<\/span><span class=\"token punctuation\">,<\/span> uploadId<br \/>\n                    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">expiry<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">TimeUnit<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">HOURS<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            presignedUrls<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">UploadInitResult<\/span><span class=\"token punctuation\">(<\/span>uploadId<span class=\"token punctuation\">,<\/span> objectKey<span class=\"token punctuation\">,<\/span> partSize<span class=\"token punctuation\">,<\/span> totalParts<span class=\"token punctuation\">,<\/span> presignedUrls<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h3>&#x1f501; \u7b2c\u516d\u5e55&#xff1a;\u65ad\u70b9\u7eed\u4f20 \u2014 \u4e0a\u4f20\u5230\u4e00\u534a\u65ad\u4e86\u600e\u4e48\u529e<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726011731-6a65602b42075.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>6.1 \u65ad\u70b9\u7eed\u4f20\u7684\u6838\u5fc3\u601d\u60f3<\/h4>\n<p>\u65ad\u70b9\u7eed\u4f20\u7684\u5173\u952e&#xff1a;\u8bb0\u4f4f\u54ea\u4e9b\u5206\u7247\u5df2\u7ecf\u4e0a\u4f20\u6210\u529f\u4e86&#xff0c;\u6062\u590d\u65f6\u53ea\u4e0a\u4f20\u5269\u4f59\u7684\u5206\u7247\u3002<\/p>\n<p>\u72b6\u6001\u4fdd\u5b58&#xff08;localStorage&#xff09;&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u4e0a\u4f20\u524d&#xff0c;\u5148\u68c0\u67e5\u6709\u6ca1\u6709\u672a\u5b8c\u6210\u7684\u4e0a\u4f20<\/span><br \/>\n<span class=\"token keyword\">function<\/span> <span class=\"token function\">getUploadState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">fileHash<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> state <span class=\"token operator\">&#061;<\/span> localStorage<span class=\"token punctuation\">.<\/span><span class=\"token function\">getItem<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">upload_<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>fileHash<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> state <span class=\"token operator\">?<\/span> <span class=\"token constant\">JSON<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">parse<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u4fdd\u5b58\u4e0a\u4f20\u72b6\u6001<\/span><br \/>\n<span class=\"token keyword\">function<\/span> <span class=\"token function\">saveUploadState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">fileHash<span class=\"token punctuation\">,<\/span> uploadId<span class=\"token punctuation\">,<\/span> completedParts<span class=\"token punctuation\">,<\/span> totalParts<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    localStorage<span class=\"token punctuation\">.<\/span><span class=\"token function\">setItem<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">upload_<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>fileHash<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">JSON<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">stringify<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n        fileHash<span class=\"token punctuation\">,<\/span><br \/>\n        uploadId<span class=\"token punctuation\">,<\/span><br \/>\n        completedParts<span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">\/\/ [1, 2, 3, &#8230;] \u5df2\u5b8c\u6210\u7684\u5206\u7247\u7f16\u53f7<\/span><br \/>\n        totalParts<span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token literal-property property\">timestamp<\/span><span class=\"token operator\">:<\/span> Date<span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6e05\u9664\u4e0a\u4f20\u72b6\u6001&#xff08;\u4e0a\u4f20\u5b8c\u6210\u6216\u53d6\u6d88\u65f6&#xff09;<\/span><br \/>\n<span class=\"token keyword\">function<\/span> <span class=\"token function\">clearUploadState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">fileHash<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    localStorage<span class=\"token punctuation\">.<\/span><span class=\"token function\">removeItem<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">upload_<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>fileHash<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>6.2 \u6062\u590d\u4e0a\u4f20\u903b\u8f91<\/h4>\n<p><span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">resumeUpload<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">file<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ 1. \u8ba1\u7b97\u6587\u4ef6\u54c8\u5e0c&#xff08;\u7528\u4e8e\u6807\u8bc6\u6587\u4ef6&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> fileHash <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">computeFileHash<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 2. \u68c0\u67e5\u662f\u5426\u6709\u672a\u5b8c\u6210\u7684\u4e0a\u4f20<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> state <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getUploadState<\/span><span class=\"token punctuation\">(<\/span>fileHash<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6709\u672a\u5b8c\u6210\u7684\u4e0a\u4f20&#xff0c;\u8be2\u95ee\u7528\u6237\u662f\u5426\u7ee7\u7eed<\/span><br \/>\n        <span class=\"token keyword\">const<\/span> confirmed <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">confirm<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u68c0\u6d4b\u5230\u672a\u5b8c\u6210\u7684\u4e0a\u4f20&#xff0c;\u662f\u5426\u7ee7\u7eed&#xff1f;&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>confirmed<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ 3. \u4ece\u540e\u7aef\u83b7\u53d6\u5df2\u4e0a\u4f20\u7684\u5206\u7247\u4fe1\u606f<\/span><br \/>\n            <span class=\"token keyword\">const<\/span> serverParts <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> api<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUploadedParts<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">.<\/span>uploadId<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ 4. \u5408\u5e76&#xff1a;\u5df2\u786e\u8ba4\u7684 &#043; \u670d\u52a1\u5668\u7aef\u7684<\/span><br \/>\n            <span class=\"token keyword\">const<\/span> completedPartNumbers <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><br \/>\n                <span class=\"token operator\">&#8230;<\/span>state<span class=\"token punctuation\">.<\/span>completedParts<span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token operator\">&#8230;<\/span>serverParts<span class=\"token punctuation\">.<\/span><span class=\"token function\">map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">p<\/span> <span class=\"token operator\">&#061;&gt;<\/span> p<span class=\"token punctuation\">.<\/span>partNumber<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ 5. \u53ea\u4e0a\u4f20\u672a\u5b8c\u6210\u7684\u5206\u7247<\/span><br \/>\n            <span class=\"token keyword\">const<\/span> remainingChunks <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">const<\/span> remainingUrls <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> totalParts<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>completedPartNumbers<span class=\"token punctuation\">.<\/span><span class=\"token function\">has<\/span><span class=\"token punctuation\">(<\/span>i <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    remainingChunks<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>chunks<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    remainingUrls<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>newPresignedUrls<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ 6. \u7ee7\u7eed\u4e0a\u4f20<\/span><br \/>\n            <span class=\"token keyword\">await<\/span> <span class=\"token function\">uploadChunks<\/span><span class=\"token punctuation\">(<\/span>remainingChunks<span class=\"token punctuation\">,<\/span> remainingUrls<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5168\u65b0\u4e0a\u4f20<\/span><br \/>\n        <span class=\"token keyword\">await<\/span> <span class=\"token function\">freshUpload<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">,<\/span> fileHash<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>6.3 \u6587\u4ef6\u54c8\u5e0c\u8ba1\u7b97<\/h4>\n<p>\u6587\u4ef6\u54c8\u5e0c\u7528\u4e8e\u6807\u8bc6\u6587\u4ef6\u7684\u552f\u4e00\u6027\u3002\u76f8\u540c\u7684\u6587\u4ef6 &#061; \u76f8\u540c\u7684\u54c8\u5e0c &#061; \u53ef\u4ee5\u590d\u7528\u4e0a\u4f20\u72b6\u6001\u3002<\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u4f7f\u7528spark-md5\u8ba1\u7b97\u6587\u4ef6\u54c8\u5e0c&#xff08;Web Worker\u4e2d\u6267\u884c&#xff0c;\u4e0d\u963b\u585e\u4e3b\u7ebf\u7a0b&#xff09;<br \/>\n * \u53ea\u8bfb\u53d6\u6bcf\u4e2a\u5206\u7247\u7684\u9996\u5c3e\u54042MB &#043; \u6587\u4ef6\u5927\u5c0f&#xff0c;\u5feb\u901f\u8ba1\u7b97&#034;\u6a21\u7cca\u54c8\u5e0c&#034;<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">computeFileHash<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">file<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> <span class=\"token constant\">CHUNK_SIZE<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ 2MB<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> chunks <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u53d6\u9996\u7247<\/span><br \/>\n    chunks<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">.<\/span><span class=\"token function\">slice<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">CHUNK_SIZE<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u53d6\u4e2d\u95f4\u7247<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> mid <span class=\"token operator\">&#061;<\/span> Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">floor<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">.<\/span>size <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    chunks<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">.<\/span><span class=\"token function\">slice<\/span><span class=\"token punctuation\">(<\/span>mid<span class=\"token punctuation\">,<\/span> mid <span class=\"token operator\">&#043;<\/span> <span class=\"token constant\">CHUNK_SIZE<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u53d6\u5c3e\u7247<\/span><br \/>\n    chunks<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">.<\/span><span class=\"token function\">slice<\/span><span class=\"token punctuation\">(<\/span>Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">max<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> file<span class=\"token punctuation\">.<\/span>size <span class=\"token operator\">&#8211;<\/span> <span class=\"token constant\">CHUNK_SIZE<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u52a0\u4e0a\u6587\u4ef6\u5927\u5c0f\u4f5c\u4e3a\u56e0\u5b50<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> blob <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Blob<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&#8230;<\/span>chunks<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Blob<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token function\">String<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">.<\/span>size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> buffer <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> blob<span class=\"token punctuation\">.<\/span><span class=\"token function\">arrayBuffer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> hash <span class=\"token operator\">&#061;<\/span> spark_md5<span class=\"token punctuation\">.<\/span>ArrayBuffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">hash<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> hash<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>&#x1f4a1; \u6027\u80fd\u63d0\u793a&#xff1a; \u4e0d\u8981\u5bf9\u6574\u4e2a2.5GB\u6587\u4ef6\u8ba1\u7b97MD5\u2014\u2014\u592a\u6162\u4e86&#xff08;\u53ef\u80fd\u8981\u51e0\u5341\u79d2&#xff09;\u3002\u7528&#034;\u6a21\u7cca\u54c8\u5e0c&#034;&#xff08;\u53ea\u8bfb\u53d6\u9996\u5c3e\u548c\u4e2d\u95f4\u7684\u4e00\u5c0f\u90e8\u5206&#xff09;&#xff0c;\u901f\u5ea6\u5feb&#xff0c;\u51b2\u7a81\u7387\u6781\u4f4e\u3002<\/p>\n<h4>6.4 \u670d\u52a1\u7aef\u53bb\u91cd<\/h4>\n<p><span class=\"token comment\">\/**<br \/>\n * \u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5df2\u5b58\u5728&#xff08;\u79d2\u4f20&#xff09;<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;GetMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/api\/upload\/check&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">UploadCheckResult<\/span> <span class=\"token function\">checkFile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;RequestParam<\/span> <span class=\"token class-name\">String<\/span> fileHash<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u67e5\u6570\u636e\u5e93&#xff1a;\u6709\u6ca1\u6709\u76f8\u540c\u54c8\u5e0c\u7684\u6587\u4ef6&#xff1f;<\/span><br \/>\n    <span class=\"token class-name\">FileRecord<\/span> record <span class=\"token operator\">&#061;<\/span> fileRecordMapper<span class=\"token punctuation\">.<\/span><span class=\"token function\">selectByHash<\/span><span class=\"token punctuation\">(<\/span>fileHash<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">record<\/span> <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6587\u4ef6\u5df2\u5b58\u5728&#xff0c;\u76f4\u63a5\u8fd4\u56deURL&#xff08;\u79d2\u4f20&#xff01;&#xff09;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">UploadCheckResult<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">exists<\/span><span class=\"token punctuation\">(<\/span>record<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUrl<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">UploadCheckResult<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">notExists<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h3>&#x1f9e9; \u7b2c\u4e03\u5e55&#xff1a;Spring Boot\u96c6\u6210\u5b9e\u6218<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726011731-6a65602bc5779.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>7.1 \u4f9d\u8d56\u914d\u7f6e<\/h4>\n<p><span class=\"token comment\">&lt;!&#8211; pom.xml &#8211;&gt;<\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>io.minio<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>groupId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>minio<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>artifactId<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span>8.5.7<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>version<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>dependency<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<p><span class=\"token comment\"># application.yml<\/span><br \/>\n<span class=\"token key atrule\">minio<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">endpoint<\/span><span class=\"token punctuation\">:<\/span> http<span class=\"token punctuation\">:<\/span>\/\/localhost<span class=\"token punctuation\">:<\/span><span class=\"token number\">9000<\/span><br \/>\n  <span class=\"token key atrule\">access-key<\/span><span class=\"token punctuation\">:<\/span> admin<br \/>\n  <span class=\"token key atrule\">secret-key<\/span><span class=\"token punctuation\">:<\/span> admin123456<br \/>\n  <span class=\"token key atrule\">bucket<\/span><span class=\"token punctuation\">:<\/span> videos<\/p>\n<h4>7.2 MinioClient\u914d\u7f6e<\/h4>\n<p><span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">MinioConfig<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Value<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;${minio.endpoint}&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> endpoint<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Value<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;${minio.access-key}&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> accessKey<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Value<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;${minio.secret-key}&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> secretKey<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">MinioClient<\/span> <span class=\"token function\">minioClient<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">MinioClient<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">endpoint<\/span><span class=\"token punctuation\">(<\/span>endpoint<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">credentials<\/span><span class=\"token punctuation\">(<\/span>accessKey<span class=\"token punctuation\">,<\/span> secretKey<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>7.3 \u5b8c\u6574Controller<\/h4>\n<p><span class=\"token annotation punctuation\">&#064;RestController<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/api\/upload&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">UploadController<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">UploadService<\/span> uploadService<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * 1. \u521d\u59cb\u5316\u5206\u7247\u4e0a\u4f20<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;PostMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/init&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Result<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">UploadInitVO<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">initUpload<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;RequestBody<\/span> <span class=\"token class-name\">UploadInitDTO<\/span> dto<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u53c2\u6570\u6821\u9a8c<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>dto<span class=\"token punctuation\">.<\/span><span class=\"token function\">getFileSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">5L<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1024<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Result<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">fail<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6587\u4ef6\u5927\u5c0f\u4e0d\u80fd\u8d85\u8fc75GB&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token constant\">ALLOWED_TYPES<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">contains<\/span><span class=\"token punctuation\">(<\/span>dto<span class=\"token punctuation\">.<\/span><span class=\"token function\">getContentType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Result<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">fail<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u4e0d\u652f\u6301\u7684\u6587\u4ef6\u7c7b\u578b&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token class-name\">UploadInitVO<\/span> result <span class=\"token operator\">&#061;<\/span> uploadService<span class=\"token punctuation\">.<\/span><span class=\"token function\">initMultipartUpload<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            dto<span class=\"token punctuation\">.<\/span><span class=\"token function\">getFilename<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            dto<span class=\"token punctuation\">.<\/span><span class=\"token function\">getFileSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            dto<span class=\"token punctuation\">.<\/span><span class=\"token function\">getFileHash<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Result<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">ok<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * 2. \u5b8c\u6210\u5206\u7247\u4e0a\u4f20<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;PostMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/complete&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Result<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">completeUpload<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;RequestBody<\/span> <span class=\"token class-name\">UploadCompleteDTO<\/span> dto<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> url <span class=\"token operator\">&#061;<\/span> uploadService<span class=\"token punctuation\">.<\/span><span class=\"token function\">completeMultipartUpload<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            dto<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUploadId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            dto<span class=\"token punctuation\">.<\/span><span class=\"token function\">getObjectKey<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            dto<span class=\"token punctuation\">.<\/span><span class=\"token function\">getParts<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Result<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">ok<\/span><span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * 3. \u53d6\u6d88\/\u4e2d\u6b62\u4e0a\u4f20<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;PostMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/abort&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Result<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Void<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">abortUpload<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;RequestBody<\/span> <span class=\"token class-name\">UploadAbortDTO<\/span> dto<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        uploadService<span class=\"token punctuation\">.<\/span><span class=\"token function\">abortMultipartUpload<\/span><span class=\"token punctuation\">(<\/span>dto<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUploadId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> dto<span class=\"token punctuation\">.<\/span><span class=\"token function\">getObjectKey<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Result<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">ok<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * 4. \u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5df2\u5b58\u5728&#xff08;\u79d2\u4f20&#xff09;<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;GetMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/check&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Result<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">UploadCheckVO<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">checkFile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;RequestParam<\/span> <span class=\"token class-name\">String<\/span> fileHash<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">UploadCheckVO<\/span> result <span class=\"token operator\">&#061;<\/span> uploadService<span class=\"token punctuation\">.<\/span><span class=\"token function\">checkFileExists<\/span><span class=\"token punctuation\">(<\/span>fileHash<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Result<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">ok<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u88683&#xff1a;API\u63a5\u53e3\u6c47\u603b<\/p>\n<table>\n<tr>\u63a5\u53e3\u65b9\u6cd5\u8bf4\u660e\u8bf7\u6c42\u4f53\u54cd\u5e94<\/tr>\n<tbody>\n<tr>\n<td>\/api\/upload\/init<\/td>\n<td>POST<\/td>\n<td>\u521d\u59cb\u5316\u5206\u7247\u4e0a\u4f20<\/td>\n<td>filename, fileSize, fileHash<\/td>\n<td>uploadId, presignedUrls[]<\/td>\n<\/tr>\n<tr>\n<td>\/api\/upload\/complete<\/td>\n<td>POST<\/td>\n<td>\u5b8c\u6210\u4e0a\u4f20<\/td>\n<td>uploadId, objectKey, parts[]<\/td>\n<td>\u6587\u4ef6URL<\/td>\n<\/tr>\n<tr>\n<td>\/api\/upload\/abort<\/td>\n<td>POST<\/td>\n<td>\u53d6\u6d88\u4e0a\u4f20<\/td>\n<td>uploadId, objectKey<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>\/api\/upload\/check<\/td>\n<td>GET<\/td>\n<td>\u79d2\u4f20\u68c0\u67e5<\/td>\n<td>fileHash<\/td>\n<td>exists, url<\/td>\n<\/tr>\n<tr>\n<td>\/api\/upload\/parts<\/td>\n<td>GET<\/td>\n<td>\u5df2\u4e0a\u4f20\u5206\u7247<\/td>\n<td>uploadId, objectKey<\/td>\n<td>partNumbers[]<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u274c \u7b2c\u4e03\u5e55\u534a&#xff1a;\u9519\u8bef\u5904\u7406\u4e0e\u91cd\u8bd5\u7b56\u7565<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726011732-6a65602c5d2fb.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>7.5.1 \u5e38\u89c1\u9519\u8bef\u7c7b\u578b<\/h4>\n<table>\n<tr>\u9519\u8bef\u7c7b\u578bHTTP\u72b6\u6001\u7801\u539f\u56e0\u5904\u7406\u7b56\u7565<\/tr>\n<tbody>\n<tr>\n<td>NetworkTimeout<\/td>\n<td>0<\/td>\n<td>\u7f51\u7edc\u8d85\u65f6<\/td>\n<td>\u91cd\u8bd5&#xff08;\u6362URL&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>SlowUpload<\/td>\n<td>0<\/td>\n<td>\u5e26\u5bbd\u4e0d\u8db3<\/td>\n<td>\u91cd\u8bd5&#xff08;\u964d\u4f4e\u5e76\u53d1&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>5xx ServerError<\/td>\n<td>500\/502\/503<\/td>\n<td>MinIO\u4e34\u65f6\u6545\u969c<\/td>\n<td>\u91cd\u8bd5&#xff08;\u6307\u6570\u9000\u907f&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>403 Forbidden<\/td>\n<td>403<\/td>\n<td>Presigned URL\u8fc7\u671f<\/td>\n<td>\u91cd\u65b0\u83b7\u53d6URL\u540e\u91cd\u8bd5<\/td>\n<\/tr>\n<tr>\n<td>ChecksumMismatch<\/td>\n<td>&#8211;<\/td>\n<td>\u6570\u636e\u4f20\u8f93\u635f\u574f<\/td>\n<td>\u91cd\u8bd5&#xff08;\u65b0URL&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>QuotaExceeded<\/td>\n<td>507<\/td>\n<td>Bucket\u5bb9\u91cf\u6ee1<\/td>\n<td>\u62a5\u9519&#xff0c;\u901a\u77e5\u7ba1\u7406\u5458<\/td>\n<\/tr>\n<tr>\n<td>EntityTooSmall<\/td>\n<td>400<\/td>\n<td>\u5206\u7247\u5c0f\u4e8e5MB<\/td>\n<td>\u62a5\u9519&#xff0c;\u8c03\u6574\u5206\u7247\u5927\u5c0f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>\u4e0a\u4f20\u8fc7\u7a0b\u4e2d\u7684\u5e38\u89c1\u9519\u8bef<\/h4>\n<p>\u5728\u5927\u6587\u4ef6\u4e0a\u4f20\u8fc7\u7a0b\u4e2d&#xff0c;\u7f51\u7edc\u6296\u52a8\u3001\u670d\u52a1\u7aef\u4e34\u65f6\u6545\u969c\u7b49\u90fd\u53ef\u80fd\u5bfc\u81f4\u5206\u7247\u4e0a\u4f20\u5931\u8d25\u3002\u5173\u952e\u539f\u5219\u662f&#xff1a;\u5206\u7247\u7ea7\u91cd\u8bd5&#xff0c;\u800c\u4e0d\u662f\u6574\u4e2a\u6587\u4ef6\u91cd\u8bd5\u3002<\/p>\n<p>\u6307\u6570\u9000\u907f&#xff08;Exponential Backoff&#xff09;&#xff1a;<\/p>\n<p>\u91cd\u8bd5\u95f4\u9694 &#061; base * 2^(attempt-1)&#xff0c;\u5176\u4e2d base &#061; 1\u79d2\u3002<\/p>\n<ul>\n<li>\u7b2c1\u6b21\u91cd\u8bd5&#xff1a;\u7b491\u79d2<\/li>\n<li>\u7b2c2\u6b21\u91cd\u8bd5&#xff1a;\u7b492\u79d2<\/li>\n<li>\u7b2c3\u6b21\u91cd\u8bd5&#xff1a;\u7b494\u79d2<\/li>\n<li>\u6700\u5927\u7b49\u5f85&#xff1a;30\u79d2<\/li>\n<\/ul>\n<p>\u4e3a\u4ec0\u4e48\u4e0d\u7528\u56fa\u5b9a\u95f4\u9694&#xff1f; \u5982\u679c\u5f88\u591a\u5ba2\u6237\u7aef\u540c\u65f6\u91cd\u8bd5&#xff08;\u6bd4\u5982MinIO\u4e34\u65f6\u91cd\u542f&#xff09;&#xff0c;\u56fa\u5b9a\u95f4\u9694\u4f1a\u5bfc\u81f4&#034;\u60ca\u7fa4\u6548\u5e94&#034;\u2014\u2014\u6240\u6709\u5ba2\u6237\u7aef\u540c\u65f6\u6d8c\u56de\u6765&#xff0c;\u518d\u6b21\u538b\u57ae\u670d\u52a1\u7aef\u3002\u6307\u6570\u9000\u907f\u8ba9\u91cd\u8bd5\u65f6\u95f4\u5206\u6563\u5f00&#xff0c;\u51cf\u8f7b\u670d\u52a1\u7aef\u538b\u529b\u3002<\/p>\n<hr \/>\n<h4>7.6 Nginx\u914d\u7f6e<\/h4>\n<p>\u5f53\u524d\u7aef\u76f4\u4f20MinIO\u65f6&#xff0c;Nginx\u4e0d\u9700\u8981\u4ee3\u7406\u4e0a\u4f20\u6d41\u91cf\u3002\u4f46\u4f60\u4ecd\u7136\u9700\u8981\u914d\u7f6eNginx\u6765\u4ee3\u7406API\u8bf7\u6c42&#xff1a;<\/p>\n<p>server {<br \/>\n    listen 80;<br \/>\n    server_name api.example.com;<\/p>\n<p>    # API\u8bf7\u6c42\u4ee3\u7406\u5230Spring Boot<br \/>\n    location \/api\/ {<br \/>\n        proxy_pass http:\/\/localhost:8080;<br \/>\n        proxy_set_header Host $host;<br \/>\n        proxy_set_header X-Real-IP $remote_addr;<\/p>\n<p>        # \u91cd\u8981&#xff1a;API\u8bf7\u6c42\u4f53\u8f83\u5c0f&#xff08;\u53ea\u6709\u5143\u6570\u636e&#xff09;&#xff0c;\u4fdd\u6301\u9ed8\u8ba4\u9650\u5236\u5373\u53ef<br \/>\n        client_max_body_size 1m;<br \/>\n    }<\/p>\n<p>    # \u4e0d\u8981\u4ee3\u7406MinIO\u7684\u4e0a\u4f20\u8bf7\u6c42&#xff01;\u524d\u7aef\u76f4\u8fdeMinIO<br \/>\n    # \u5982\u679c\u5fc5\u987b\u4ee3\u7406&#xff08;\u4e0d\u63a8\u8350&#xff09;&#xff0c;\u9700\u8981\u8bbe\u7f6e&#xff1a;<br \/>\n    # client_max_body_size 0;  # \u4e0d\u9650\u5236<br \/>\n    # proxy_request_buffering off;  # \u4e0d\u7f13\u51b2\u8bf7\u6c42\u4f53<br \/>\n}<\/p>\n<h4>7.7 MinIO Docker Compose\u90e8\u7f72<\/h4>\n<p><span class=\"token key atrule\">version<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#039;3.8&#039;<\/span><br \/>\n<span class=\"token key atrule\">services<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">minio<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">image<\/span><span class=\"token punctuation\">:<\/span> minio\/minio<span class=\"token punctuation\">:<\/span>latest<br \/>\n    <span class=\"token key atrule\">container_name<\/span><span class=\"token punctuation\">:<\/span> minio<br \/>\n    <span class=\"token key atrule\">ports<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token string\">&#034;9000:9000&#034;<\/span>   <span class=\"token comment\"># API\u7aef\u53e3<\/span><br \/>\n      <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token string\">&#034;9001:9001&#034;<\/span>   <span class=\"token comment\"># \u63a7\u5236\u53f0\u7aef\u53e3<\/span><br \/>\n    <span class=\"token key atrule\">environment<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">MINIO_ROOT_USER<\/span><span class=\"token punctuation\">:<\/span> admin<br \/>\n      <span class=\"token key atrule\">MINIO_ROOT_PASSWORD<\/span><span class=\"token punctuation\">:<\/span> your<span class=\"token punctuation\">&#8211;<\/span>strong<span class=\"token punctuation\">&#8211;<\/span>password<span class=\"token punctuation\">&#8211;<\/span>here<br \/>\n    <span class=\"token key atrule\">volumes<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token punctuation\">&#8211;<\/span> \/data\/minio<span class=\"token punctuation\">:<\/span>\/data<br \/>\n    <span class=\"token key atrule\">command<\/span><span class=\"token punctuation\">:<\/span> server \/data <span class=\"token punctuation\">&#8211;<\/span><span class=\"token punctuation\">&#8211;<\/span>console<span class=\"token punctuation\">&#8211;<\/span>address &#034;<span class=\"token punctuation\">:<\/span>9001&#034;<br \/>\n    <span class=\"token key atrule\">restart<\/span><span class=\"token punctuation\">:<\/span> unless<span class=\"token punctuation\">&#8211;<\/span>stopped<br \/>\n    <span class=\"token key atrule\">healthcheck<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">test<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;CMD&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;mc&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;ready&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;local&#034;<\/span><span class=\"token punctuation\">]<\/span><br \/>\n      <span class=\"token key atrule\">interval<\/span><span class=\"token punctuation\">:<\/span> 30s<br \/>\n      <span class=\"token key atrule\">timeout<\/span><span class=\"token punctuation\">:<\/span> 20s<br \/>\n      <span class=\"token key atrule\">retries<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">3<\/span><\/p>\n<h4>7.8 MinIO Bucket Lifecycle\u914d\u7f6e<\/h4>\n<p>\u6e05\u7406\u8fc7\u671f\u7684\u672a\u5b8c\u6210\u4e0a\u4f20&#xff0c;\u907f\u514d\u5b58\u50a8\u7a7a\u95f4\u6d6a\u8d39&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u4f7f\u7528mc\u547d\u4ee4\u884c\u5de5\u5177\u914d\u7f6elifecycle<\/span><br \/>\n<span class=\"token function\">mc<\/span> <span class=\"token builtin class-name\">alias<\/span> <span class=\"token builtin class-name\">set<\/span> myminio http:\/\/localhost:9000 admin your-password<\/p>\n<p><span class=\"token comment\"># \u8bbe\u7f6e\u89c4\u5219&#xff1a;7\u5929\u540e\u81ea\u52a8\u6e05\u7406\u672a\u5b8c\u6210\u7684\u5206\u7247\u4e0a\u4f20<\/span><br \/>\n<span class=\"token function\">mc<\/span> ilm rule <span class=\"token function\">add<\/span> myminio\/videos <span class=\"token punctuation\">\\\\<\/span><br \/>\n    &#8211;expire-delete-marker <span class=\"token punctuation\">\\\\<\/span><br \/>\n    &#8211;noncurrent-expire-days <span class=\"token number\">7<\/span><\/p>\n<p><span class=\"token comment\"># \u6216\u8005\u4f7f\u7528API<\/span><br \/>\n<span class=\"token comment\"># \u901a\u8fc7MinIO\u63a7\u5236\u53f0: Buckets -&gt; videos -&gt; Lifecycle -&gt; Add Rule<\/span><br \/>\n<span class=\"token comment\"># Rule name: abort-incomplete-uploads<\/span><br \/>\n<span class=\"token comment\"># Abort incomplete multipart uploads after: 7 days<\/span><\/p>\n<h4>7.9 \u6587\u4ef6\u4e0b\u8f7d \u2014 Presigned GET URL<\/h4>\n<p>\u4e0a\u4f20\u5b8c\u6210\u540e&#xff0c;\u6587\u4ef6\u662f\u79c1\u6709\u7684\u3002\u9700\u8981\u4e0b\u8f7d\u65f6&#xff0c;\u751f\u6210\u4e34\u65f6\u7684Presigned GET URL&#xff1a;<\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u751f\u6210\u6587\u4ef6\u4e0b\u8f7dURL&#xff08;\u4e34\u65f6\u6709\u6548&#xff09;<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">generateDownloadUrl<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> objectKey<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> expiryHours<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> minioClient<span class=\"token punctuation\">.<\/span><span class=\"token function\">getPresignedObjectUrl<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        <span class=\"token class-name\">GetPresignedObjectUrlArgs<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">method<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Method<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">GET<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">bucket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">BUCKET<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">object<\/span><span class=\"token punctuation\">(<\/span>objectKey<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">expiry<\/span><span class=\"token punctuation\">(<\/span>expiryHours<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">TimeUnit<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">HOURS<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u524d\u7aef\u76f4\u63a5\u7528\u8fd9\u4e2aURL\u4e0b\u8f7d&#xff0c;\u4e0d\u9700\u8981\u7ecf\u8fc7\u540e\u7aef<\/span><br \/>\n<span class=\"token comment\">\/\/ window.location.href &#061; downloadUrl;<\/span><\/p>\n<h3>\u26a1 \u7b2c\u516b\u5e55&#xff1a;\u6027\u80fd\u8c03\u4f18 \u2014 \u628a\u901f\u5ea6\u62c9\u6ee1<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726011732-6a65602ce6ea8.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>8.1 \u5206\u7247\u5927\u5c0f\u8c03\u4f18<\/h4>\n<p>\u88684&#xff1a;\u4e0d\u540c\u7f51\u7edc\u73af\u5883\u4e0b\u7684\u5206\u7247\u5927\u5c0f\u5efa\u8bae<\/p>\n<table>\n<tr>\u7f51\u7edc\u73af\u5883\u5e26\u5bbd\u63a8\u8350\u5206\u7247\u5927\u5c0f\u63a8\u8350\u5e76\u53d1\u6570\u7406\u7531<\/tr>\n<tbody>\n<tr>\n<td>4G\u79fb\u52a8<\/td>\n<td>10-50Mbps<\/td>\n<td>5MB<\/td>\n<td>2-3<\/td>\n<td>\u5c0f\u7247\u51cf\u5c11\u91cd\u4f20\u4ee3\u4ef7<\/td>\n<\/tr>\n<tr>\n<td>\u5bb6\u5ead\u5bbd\u5e26<\/td>\n<td>50-200Mbps<\/td>\n<td>10MB<\/td>\n<td>3<\/td>\n<td>\u5e73\u8861\u6027\u80fd\u548c\u53ef\u9760\u6027<\/td>\n<\/tr>\n<tr>\n<td>\u4f01\u4e1a\u4e13\u7ebf<\/td>\n<td>200Mbps-1Gbps<\/td>\n<td>25MB<\/td>\n<td>3-5<\/td>\n<td>\u5927\u7247\u51cf\u5c11API\u8c03\u7528\u5f00\u9500<\/td>\n<\/tr>\n<tr>\n<td>\u5185\u7f51<\/td>\n<td>1-10Gbps<\/td>\n<td>50MB<\/td>\n<td>5-10<\/td>\n<td>\u6700\u5927\u5316\u541e\u5410\u91cf<\/td>\n<\/tr>\n<tr>\n<td>\u5f31\u7f51\/\u4e0d\u7a33\u5b9a<\/td>\n<td>&lt;10Mbps<\/td>\n<td>5MB<\/td>\n<td>1-2<\/td>\n<td>\u5c0f\u7247&#043;\u4f4e\u5e76\u53d1&#xff0c;\u51cf\u5c11\u5931\u8d25<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>8.2 \u5e76\u53d1\u6570\u8c03\u4f18<\/h4>\n<p>\u5e76\u53d1\u6570\u4e0d\u662f\u8d8a\u5927\u8d8a\u597d\u3002\u53d7\u9650\u4e8e&#xff1a;<\/p>\n<ul>\n<li>\u6d4f\u89c8\u5668\u5e76\u53d1\u8fde\u63a5\u9650\u5236&#xff1a;\u540c\u4e00\u57df\u540d\u901a\u5e386\u4e2a<\/li>\n<li>\u5e26\u5bbd\u74f6\u9888&#xff1a;\u5e76\u53d1\u518d\u591a&#xff0c;\u5e26\u5bbd\u5c31\u90a3\u4e48\u591a<\/li>\n<li>MinIO\u670d\u52a1\u7aef\u538b\u529b&#xff1a;\u8fc7\u591a\u5e76\u53d1\u53ef\u80fd\u89e6\u53d1\u9650\u6d41<\/li>\n<\/ul>\n<p>\u63a8\u8350&#xff1a;3-5\u4e2a\u5e76\u53d1&#xff0c;\u5728\u5927\u591a\u6570\u573a\u666f\u4e0b\u90fd\u80fd\u83b7\u5f97\u4e0d\u9519\u7684\u6027\u80fd\u3002<\/p>\n<h4>8.3 \u57fa\u51c6\u6d4b\u8bd5<\/h4>\n<p>\u88685&#xff1a;1GB\u6587\u4ef6\u4e0a\u4f20\u6027\u80fd\u6d4b\u8bd5&#xff08;100Mbps\u7f51\u7edc&#xff09;<\/p>\n<table>\n<tr>\u914d\u7f6e\u5206\u7247\u5927\u5c0f\u5e76\u53d1\u6570\u4e0a\u4f20\u65f6\u95f4API\u8c03\u7528\u6b21\u6570\u63a8\u8350\u5ea6<\/tr>\n<tbody>\n<tr>\n<td>\u5355\u6b21\u4e0a\u4f20<\/td>\n<td>&#8211;<\/td>\n<td>1<\/td>\n<td>~80s<\/td>\n<td>1<\/td>\n<td>\u274c \u8d85\u65f6\u98ce\u9669<\/td>\n<\/tr>\n<tr>\n<td>\u5206\u7247(\u4e32\u884c)<\/td>\n<td>10MB<\/td>\n<td>1<\/td>\n<td>~82s<\/td>\n<td>101<\/td>\n<td>\u274c \u592a\u6162<\/td>\n<\/tr>\n<tr>\n<td>\u5206\u7247(3\u5e76\u53d1)<\/td>\n<td>10MB<\/td>\n<td>3<\/td>\n<td>~30s<\/td>\n<td>101<\/td>\n<td>\u2705 \u63a8\u8350<\/td>\n<\/tr>\n<tr>\n<td>\u5206\u7247(5\u5e76\u53d1)<\/td>\n<td>10MB<\/td>\n<td>5<\/td>\n<td>~18s<\/td>\n<td>101<\/td>\n<td>\u2705 \u6700\u4f73<\/td>\n<\/tr>\n<tr>\n<td>\u5206\u7247(10\u5e76\u53d1)<\/td>\n<td>10MB<\/td>\n<td>10<\/td>\n<td>~15s<\/td>\n<td>101<\/td>\n<td>\u26a0\ufe0f \u6536\u76ca\u9012\u51cf<\/td>\n<\/tr>\n<tr>\n<td>\u5206\u7247(\u5927\u5757)<\/td>\n<td>50MB<\/td>\n<td>5<\/td>\n<td>~20s<\/td>\n<td>21<\/td>\n<td>\u26a0\ufe0f \u91cd\u4f20\u4ee3\u4ef7\u9ad8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>8.4 \u524d\u7aef\u4f18\u5316\u6280\u5de7<\/h4>\n<p><span class=\"token comment\">\/\/ 1. Web Worker\u8ba1\u7b97\u54c8\u5e0c&#xff08;\u4e0d\u963b\u585eUI&#xff09;<\/span><br \/>\n<span class=\"token keyword\">const<\/span> worker <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Worker<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;hash-worker.js&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nworker<span class=\"token punctuation\">.<\/span><span class=\"token function\">postMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> file <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nworker<span class=\"token punctuation\">.<\/span><span class=\"token function-variable function\">onmessage<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">e<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;File hash:&#039;<\/span><span class=\"token punctuation\">,<\/span> e<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>hash<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 2. \u6d41\u5f0f\u8fdb\u5ea6\u4e0a\u62a5&#xff08;\u8282\u6d41&#xff09;<\/span><br \/>\n<span class=\"token keyword\">const<\/span> throttledProgress <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">throttle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">loaded<span class=\"token punctuation\">,<\/span> total<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">updateProgressBar<\/span><span class=\"token punctuation\">(<\/span>loaded <span class=\"token operator\">\/<\/span> total <span class=\"token operator\">*<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">500<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6bcf500ms\u66f4\u65b0\u4e00\u6b21<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 3. \u5931\u8d25\u5feb\u901f\u91cd\u8bd5&#xff08;\u4e0d\u7b49\u6240\u6709\u5206\u7247\u5b8c\u6210&#xff09;<\/span><br \/>\n<span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">uploadWithQuickRetry<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">chunk<span class=\"token punctuation\">,<\/span> url<span class=\"token punctuation\">,<\/span> retries <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">3<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> retries<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">await<\/span> axios<span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">,<\/span> chunk<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">timeout<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">300000<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span>err<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>i <span class=\"token operator\">&#061;&#061;&#061;<\/span> retries <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throw<\/span> err<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">await<\/span> <span class=\"token function\">sleep<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1000<\/span> <span class=\"token operator\">*<\/span> Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">pow<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> i<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6307\u6570\u9000\u907f<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h3>\u2705 \u7b2c\u4e5d\u5e55&#xff1a;\u751f\u4ea7\u73af\u5883Checklist<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726011733-6a65602d759bc.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>9.1 \u5b89\u5168Checklist<\/h4>\n<table>\n<tr>#\u68c0\u67e5\u9879\u8bf4\u660e\u4f18\u5148\u7ea7<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\u6587\u4ef6\u7c7b\u578b\u6821\u9a8c<\/td>\n<td>\u540e\u7aef\u6821\u9a8cMIME type&#xff0c;\u4e0d\u8981\u53ea\u9760\u524d\u7aef<\/td>\n<td>P0<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>\u6587\u4ef6\u5927\u5c0f\u9650\u5236<\/td>\n<td>\u540e\u7aef\u9650\u5236\u6700\u5927\u6587\u4ef6\u5927\u5c0f&#xff08;\u59825GB&#xff09;<\/td>\n<td>P0<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Presigned URL\u77ed\u8fc7\u671f<\/td>\n<td>\u5efa\u8bae1\u5c0f\u65f6&#xff0c;\u6700\u957f\u4e0d\u8d85\u8fc71\u5929<\/td>\n<td>P0<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>\u75c5\u6bd2\u626b\u63cf<\/td>\n<td>\u4e0a\u4f20\u5b8c\u6210\u540e\u7528ClamAV\u7b49\u626b\u63cf<\/td>\n<td>P1<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>\u8bbf\u95ee\u9891\u7387\u9650\u5236<\/td>\n<td>\u6bcf\u7528\u6237\u6bcf\u5929\u9650\u5236\u4e0a\u4f20\u6b21\u6570<\/td>\n<td>P1<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>Bucket\u79c1\u6709\u7b56\u7565<\/td>\n<td>\u9ed8\u8ba4private&#xff0c;\u9700\u8981\u65f6\u751f\u6210\u4e34\u65f6GET URL<\/td>\n<td>P0<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>\u5206\u79bb\u73af\u5883Bucket<\/td>\n<td>dev\/staging\/prod\u7528\u4e0d\u540cbucket<\/td>\n<td>P1<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>\u8bbf\u95ee\u65e5\u5fd7<\/td>\n<td>\u5f00\u542fMinIO access log<\/td>\n<td>P2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>9.2 \u53ef\u9760\u6027Checklist<\/h4>\n<table>\n<tr>#\u68c0\u67e5\u9879\u8bf4\u660e\u4f18\u5148\u7ea7<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\u5206\u7247\u7ea7\u91cd\u8bd5<\/td>\n<td>\u5931\u8d25\u7684\u5206\u7247\u5355\u72ec\u91cd\u8bd5&#xff0c;\u4e0d\u91cd\u4f20\u6574\u4e2a\u6587\u4ef6<\/td>\n<td>P0<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>\u6307\u6570\u9000\u907f<\/td>\n<td>\u91cd\u8bd5\u95f4\u9694: 1s, 2s, 4s<\/td>\n<td>P0<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>\u72b6\u6001\u6301\u4e45\u5316<\/td>\n<td>localStorage\u4fdd\u5b58uploadId\u548c\u5df2\u5b8c\u6210\u5206\u7247<\/td>\n<td>P0<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>\u6e05\u7406\u8fc7\u671f\u4e0a\u4f20<\/td>\n<td>\u8bbe\u7f6elifecycle\u89c4\u5219&#xff0c;\u81ea\u52a8abort 7\u5929\u524d\u7684\u672a\u5b8c\u6210\u4e0a\u4f20<\/td>\n<td>P1<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>ETag\u6821\u9a8c<\/td>\n<td>\u6bcf\u4e2a\u5206\u7247\u4e0a\u4f20\u540e\u9a8c\u8bc1ETag<\/td>\n<td>P1<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>MinIO\u5065\u5eb7\u68c0\u67e5<\/td>\n<td>\u914d\u7f6e \/minio\/health\/live \u63a2\u9488<\/td>\n<td>P1<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>\u76d1\u63a7\u544a\u8b66<\/td>\n<td>Prometheus &#043; Grafana\u76d1\u63a7\u4e0a\u4f20\u6210\u529f\u7387<\/td>\n<td>P1<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>\u5907\u4efd\u7b56\u7565<\/td>\n<td>mc mirror \u5b9a\u671f\u540c\u6b65\u5230\u8fdc\u7a0b<\/td>\n<td>P2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>9.3 \u6027\u80fdChecklist<\/h4>\n<table>\n<tr>#\u68c0\u67e5\u9879\u8bf4\u660e\u4f18\u5148\u7ea7<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\u5206\u7247\u5927\u5c0f\u9009\u62e9<\/td>\n<td>\u6839\u636e\u7f51\u7edc\u73af\u5883\u9009\u62e95-25MB<\/td>\n<td>P0<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>\u5e76\u53d1\u6570\u63a7\u5236<\/td>\n<td>3-5\u4e2a\u5e76\u53d1&#xff0c;\u4e0d\u8981\u8d85\u8fc710\u4e2a<\/td>\n<td>P0<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>\u76f4\u4f20MinIO<\/td>\n<td>\u7528Presigned URL&#xff0c;\u4e0d\u7ecf\u8fc7\u540e\u7aef\u4ee3\u7406<\/td>\n<td>P0<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>Web Worker\u54c8\u5e0c<\/td>\n<td>\u5728Worker\u7ebf\u7a0b\u8ba1\u7b97\u6587\u4ef6\u54c8\u5e0c<\/td>\n<td>P1<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>\u6279\u91cf\u83b7\u53d6Presign<\/td>\n<td>\u4e00\u6b21\u8bf7\u6c42\u83b7\u53d6\u6240\u6709\u5206\u7247\u7684URL<\/td>\n<td>P1<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>Nginx\u914d\u7f6e<\/td>\n<td>client_max_body_size 0&#xff08;\u4e0d\u9650\u5236&#xff09;<\/td>\n<td>P1<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>\u5185\u6838\u53c2\u6570\u8c03\u4f18<\/td>\n<td>TCP buffer size, \u6587\u4ef6\u63cf\u8ff0\u7b26\u9650\u5236<\/td>\n<td>P2<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>CDN\u52a0\u901f<\/td>\n<td>\u53ef\u9009&#xff1a;\u7528CDN\u52a0\u901f\u4e0a\u4f20&#xff08;\u8de8\u5730\u57df\u573a\u666f&#xff09;<\/td>\n<td>P2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>&#x1f31f; \u7ed3\u8bed<\/h3>\n<p>\u5927\u6587\u4ef6\u4e0a\u4f20\u770b\u4f3c\u7b80\u5355&#xff0c;\u5b9e\u5219\u6d89\u53ca\u524d\u540e\u7aef\u534f\u4f5c\u3001\u7f51\u7edc\u4f20\u8f93\u3001\u9519\u8bef\u5904\u7406\u3001\u6027\u80fd\u4f18\u5316\u7b49\u591a\u4e2a\u7ef4\u5ea6\u3002MinIO\u7684\u5206\u7247\u4e0a\u4f20\u673a\u5236\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u4e00\u4e2a\u53ef\u9760\u7684\u57fa\u7840&#xff0c;\u4f46\u8981\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u7528\u597d\u5b83&#xff0c;\u8fd8\u9700\u8981&#xff1a;<\/p>\n<li>Presigned URL\u8ba9\u524d\u7aef\u76f4\u8fdeMinIO&#xff0c;\u540e\u7aef\u4e0d\u505a\u5e26\u5bbd\u4ee3\u7406<\/li>\n<li>\u524d\u7aef\u5207\u7247&#043;\u5e76\u884c\u4e0a\u4f20\u5145\u5206\u5229\u7528\u5e26\u5bbd<\/li>\n<li>\u65ad\u70b9\u7eed\u4f20\u8ba9\u7528\u6237\u4e0d\u518d\u5bb3\u6015\u7f51\u7edc\u4e2d\u65ad<\/li>\n<li>\u6587\u4ef6\u54c8\u5e0c&#043;\u79d2\u4f20\u8ba9\u91cd\u590d\u6587\u4ef6\u77ac\u95f4\u5b8c\u6210<\/li>\n<p>\u201c\u597d\u7684\u6587\u4ef6\u4e0a\u4f20\u4f53\u9a8c&#xff0c;\u662f\u7528\u6237\u611f\u77e5\u4e0d\u5230\u4e0a\u4f20\u7684\u5b58\u5728\u3002\u8fdb\u5ea6\u6761\u5728\u8d70&#xff0c;\u540e\u53f0\u5728\u4f20&#xff0c;\u65ad\u4e86\u80fd\u7eed&#xff0c;\u91cd\u4e86\u80fd\u8df3\u3002\u7b49\u7528\u6237\u6ce8\u610f\u5230\u7684\u65f6\u5019&#xff0c;\u4e0a\u4f20\u5df2\u7ecf\u5b8c\u6210\u4e86\u3002\u201d<\/p>\n<hr \/>\n<h3>&#x1f4da; \u53c2\u8003\u6587\u732e<\/h3>\n<li>MinIO Official Documentation. \u201cMultipart Upload API.\u201d https:\/\/min.io\/docs\/minio\/linux\/developers\/java\/API.html<\/li>\n<li>Amazon S3 Documentation. \u201cUploading and copying objects using multipart upload.\u201d https:\/\/docs.aws.amazon.com\/AmazonS3\/latest\/userguide\/mpuoverview.html<\/li>\n<li>MinIO Official Documentation. \u201cPresigned URLs.\u201d https:\/\/min.io\/docs\/minio\/linux\/developers\/java\/API.html#getPresignedObjectUrl<\/li>\n<li>MinIO Official Documentation. \u201cErasure Coding.\u201d https:\/\/min.io\/docs\/minio\/linux\/overview\/architecture.html<\/li>\n<li>MDN Web Docs. \u201cFile.slice() &#8211; Web APIs.\u201d https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/API\/Blob\/slice<\/li>\n<li>RFC 9110. \u201cHTTP Semantics.\u201d IETF, 2022. https:\/\/www.rfc-editor.org\/rfc\/rfc9110<\/li>\n<li>AWS Documentation. \u201cSignature Calculations for the Authorization Header.\u201d https:\/\/docs.aws.amazon.com\/AmazonS3\/latest\/API\/sig-v4-header-based-auth.html<\/li>\n<li>MinIO Official Blog. \u201cMinIO Performance on NVMe.\u201d https:\/\/blog.min.io\/minio-performance-on-nvme\/<\/li>\n<li>Spring Boot Documentation. \u201cFile Upload with Spring Boot.\u201d https:\/\/spring.io\/guides\/gs\/uploading-files\/<\/li>\n<li>spark-md5 Library. \u201cFast MD5 for large files in JavaScript.\u201d https:\/\/github.com\/nicktomlin\/spark-md5<\/li>\n<hr \/>\n","protected":false},"excerpt":{"rendered":"<p>\u4f60\u4ee5\u4e3a\u6587\u4ef6\u4e0a\u4f20\u5c31\u662f multipartFile.transferTo()&#xff1f;\u5f53\u6587\u4ef6\u53d8\u62102GB\u7684\u89c6\u9891\u300110GB\u7684\u6570\u636e\u5305\u65f6&#xff0c;\u4e00\u5207\u90fd\u53d8\u4e86\u3002 \u2014\u2014 \u4e00\u7bc7\u7528\u4ee3\u7801\u6d41\u7a0b\u62c6\u89e3\u5927\u6587\u4ef6\u4e0a\u4f20\u7684\u5b9e\u6218\u624b\u518c \u9605\u8bfb\u65f6\u95f4&#xff1a;\u7ea640\u5206\u949f | \u6db5\u76d6&#xff1a;\u5206\u7247\u4e0a\u4f20\u539f\u7406 \/ Presigned URL \/ \u65ad\u70b9\u7eed\u4f20 \/ \u524d\u7aef\u5207\u7247 \/ Spring Boot\u96c6\u6210 \/ \u751f\u4ea7Checklist &#x1f4d1; 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