{"id":61994,"date":"2026-01-19T03:33:37","date_gmt":"2026-01-18T19:33:37","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/61994.html"},"modified":"2026-01-19T03:33:37","modified_gmt":"2026-01-18T19:33:37","slug":"%e5%a5%b9%e9%97%ae%e6%88%91%ef%bc%9a%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%bf%ab%e8%a2%ab%e5%9e%83%e5%9c%be%e6%96%87%e4%bb%b6%e5%a1%9e%e7%88%86%e4%ba%86%ef%bc%8c%e6%80%8e%e4%b9%88%e7%a0%b4%ef%bc%9f%e6%88%91","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/61994.html","title":{"rendered":"\u5979\u95ee\u6211\uff1a\u670d\u52a1\u5668\u5feb\u88ab\u5783\u573e\u6587\u4ef6\u585e\u7206\u4e86\uff0c\u600e\u4e48\u7834\uff1f\u6211\u8bf4\uff1a\u7ed9\u6587\u4ef6\u529e\u4e2a\u201c\u4e34\u65f6\u5c45\u4f4f\u8bc1\u201d"},"content":{"rendered":"<p>\u6df1\u591c\u4ee3\u7801\u7cfb\u5217 \u00b7 \u7b2c7\u671f<\/p>\n<p>\u5173\u6ce8\u6211&#xff0c;\u548c\u5c0f\u8c46\u4e00\u8d77\u770b\u5c0f\u8bf4<\/p>\n<h3>&#x1f525; 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File&#xff09;\u201d\u3002<\/p>\n<h3>&#x1f3af; \u573a\u666f\u8fd8\u539f<\/h3>\n<p>\u5c0f\u6c50\u6253\u5f00\u4e86\u5979\u7684\u4ee3\u7801&#xff0c;\u6307\u7740\u90a3\u4e2a\u4e0a\u4f20\u7ec4\u4ef6&#xff1a;<\/p>\n<p>\u201c\u73b0\u5728\u7684\u903b\u8f91\u662f\u8fd9\u6837\u7684&#xff1a;\u201d<\/p>\n<p><span class=\"token comment\">\/\/ 1. \u7528\u6237\u9009\u56fe&#xff0c;\u7acb\u5373\u4e0a\u4f20<\/span><br \/>\n<span class=\"token keyword\">const<\/span> <span class=\"token function-variable function\">onUpload<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">file<\/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> url <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">uploadAPI<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6587\u4ef6\u76f4\u63a5\u843d\u76d8<\/span><br \/>\n  form<span class=\"token punctuation\">.<\/span>imageUrl <span class=\"token operator\">&#061;<\/span> url<span class=\"token punctuation\">;<\/span>               <span class=\"token comment\">\/\/ \u62ff\u5230 URL \u586b\u5165\u8868\u5355<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 2. \u7528\u6237\u53ef\u80fd&#8230; \u6c38\u8fdc\u4e0d\u70b9\u51fb\u63d0\u4ea4<\/span><br \/>\n<span class=\"token comment\">\/\/ const onSubmit &#061; async () &#061;&gt; { &#8230; } <\/span><\/p>\n<p>\u201c\u53ea\u8981\u7528\u6237\u4e0a\u4f20\u4e86\u56fe\u7247&#xff0c;\u201d\u5c0f\u6c50\u53f9\u4e86\u6c14&#xff0c;\u201c\u4e0d\u7ba1\u4ed6\u6700\u540e\u63d0\u4e0d\u63d0\u4ea4\u8868\u5355&#xff0c;\u8fd9\u6587\u4ef6\u90fd\u5df2\u7ecf\u5b58\u4e0b\u6765\u4e86\u3002\u73b0\u5728\u7684\u670d\u52a1\u5668\u91cc&#xff0c;\u4f30\u8ba1\u6709\u4e00\u534a\u90fd\u662f\u8fd9\u79cd\u2018\u5e7d\u7075\u6587\u4ef6\u2019\u3002\u201d<\/p>\n<p>\u201c\u5982\u679c\u662f\u5c0f\u6587\u4ef6&#xff0c;\u201d\u5c0f\u6c50\u7a81\u7136\u773c\u775b\u4e00\u4eae&#xff0c;\u201c\u5176\u5b9e\u6211\u6709\u62db&#xff01;\u6211\u4eec\u80fd\u4e0d\u80fd\u522b\u8fd9\u4e48\u6025\u7740\u4e0a\u4f20&#xff1f;\u201d<\/p>\n<p>\u5979\u5feb\u901f\u6572\u4e86\u51e0\u884c\u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u65b9\u6848\u4e00&#xff1a;\u6df7\u5408\u63d0\u4ea4&#xff08;FormData&#xff09;<\/span><br \/>\n<span class=\"token keyword\">async<\/span> <span class=\"token function\">create<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">data<span class=\"token punctuation\">,<\/span> imageFile<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> formData <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FormData<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u628a JSON \u6570\u636e\u8f6c\u6210 Blob \u585e\u8fdb\u53bb<\/span><br \/>\n  formData<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;data&#039;<\/span><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 constant\">JSON<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">stringify<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">type<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;application\/json&#039;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>imageFile<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u524d\u7aef\u5148\u538b\u7f29&#xff0c;\u968f\u8868\u5355\u4e00\u8d77\u63d0\u4ea4<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> webpFile <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">convertImageToWebp<\/span><span class=\"token punctuation\">(<\/span>imageFile<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.8<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    formData<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;imageFile&#039;<\/span><span class=\"token punctuation\">,<\/span> webpFile<span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u4e00\u6b21\u8bf7\u6c42&#xff0c;\u641e\u5b9a\u6240\u6709<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token function\">request<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">url<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\/reward&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token literal-property property\">method<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;post&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token literal-property property\">data<\/span><span class=\"token operator\">:<\/span> formData <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u201c\u4f60\u770b&#xff0c;\u201d\u5c0f\u6c50\u5f97\u610f\u5730\u8bf4&#xff0c;\u201c\u8fd9\u6837\u6587\u4ef6\u548c\u8868\u5355\u662f\u539f\u5b50\u6027\u7684\u3002\u8981\u4e48\u90fd\u6210\u529f&#xff0c;\u8981\u4e48\u90fd\u5931\u8d25&#xff0c;\u6839\u672c\u4e0d\u4f1a\u6709\u5b64\u513f\u6587\u4ef6&#xff01;\u201d<\/p>\n<h3>&#x1f9e0; \u601d\u8def\u5206\u6790<\/h3>\n<p>\u201c\u5c0f\u6c50\u8fd9\u62db\u2018\u6df7\u5408\u63d0\u4ea4\u2019&#xff0c;\u5bf9\u4ed8\u5c0f\u5934\u50cf\u3001\u5c0f\u622a\u56fe\u786e\u5b9e\u591f\u7528\u3002\u201d<\/p>\n<p>\u963f\u8fb0\u4e0d\u77e5\u4f55\u65f6\u7ad9\u5728\u4e86\u6211\u4eec\u8eab\u540e&#xff0c;\u624b\u91cc\u4f9d\u65e7\u662f\u90a3\u4e2a\u4fdd\u6e29\u676f\u3002\u4ed6\u770b\u4e86\u4e00\u773c\u4ee3\u7801&#xff0c;\u6de1\u6de1\u5730\u8bf4&#xff1a;\u201c\u4f46\u5982\u679c\u7528\u6237\u8981\u4e0a\u4f20\u4e00\u4e2a 500MB \u7684\u89c6\u9891\u5462&#xff1f;\u6216\u8005\u5f31\u7f51\u73af\u5883\u4e0b\u4e0a\u4f20 10 \u5f20\u9ad8\u6e05\u56fe\u5462&#xff1f;\u4f60\u8ba9\u7528\u6237\u70b9\u63d0\u4ea4\u6309\u94ae\u540e\u5e72\u7b49\u51e0\u5341\u79d2&#xff1f;\u4f53\u9a8c\u4f1a\u5d29\u7684\u3002\u201d<\/p>\n<p>\u5c0f\u6c50\u6123\u4e86\u4e00\u4e0b&#xff0c;\u9ed8\u9ed8\u6536\u56de\u4e86\u5f97\u610f\u7684\u7b11\u5bb9\u3002<\/p>\n<p>\u963f\u8fb0\u62c9\u8fc7\u767d\u677f&#xff0c;\u753b\u4e86\u4e24\u4e2a\u5708&#xff1a;<\/p>\n<p>\u201c\u5bf9\u4e8e\u5927\u6587\u4ef6\u6216\u901a\u7528\u573a\u666f&#xff0c;\u6211\u4eec\u8fd8\u662f\u5f97\u8d70\u5f02\u6b65\u4e0a\u4f20\u3002\u4f46\u5173\u952e\u5728\u4e8e\u2014\u2014\u2018\u4e0a\u4f20 \u2260 \u751f\u6548\u2019\u3002\u201d<\/p>\n<p>\u4ed6\u5199\u4e0b\u4e86\u4e00\u4e2a\u8bcd&#xff1a;\u4e24\u9636\u6bb5\u63d0\u4ea4\u3002<\/p>\n<p>\u201c\u6211\u4eec\u7ed9\u6587\u4ef6\u8bbe\u8ba1\u4e2a\u751f\u547d\u5468\u671f&#xff0c;\u5c31\u50cf\u529e\u7b7e\u8bc1\u4e00\u6837&#xff1a;\u201d<\/p>\n<li>\u4e34\u65f6\u6001 (TEMP)&#xff1a;\u521a\u4e0a\u4f20\u7684\u6587\u4ef6&#xff0c;\u9ed8\u8ba4\u90fd\u662f\u201c\u4e34\u65f6\u8bbf\u5ba2\u201d\u3002\u7ed9\u5b83\u53d1\u4e2a\u6709\u6548\u671f 24 \u5c0f\u65f6\u7684\u201c\u4e34\u65f6\u5c45\u4f4f\u8bc1\u201d\u3002<\/li>\n<li>\u8f6c\u6b63 (USED)&#xff1a;\u53ea\u6709\u5f53\u8868\u5355\u63d0\u4ea4\u6210\u529f\u4e86&#xff0c;\u540e\u7aef\u624d\u4f1a\u5728\u4e8b\u52a1\u91cc\u7ed9\u8fd9\u4e2a\u6587\u4ef6\u76d6\u4e2a\u7ae0&#xff0c;\u53d8\u6210\u201c\u6c38\u4e45\u5c45\u6c11\u201d\u3002<\/li>\n<li>\u9a71\u9010&#xff1a;\u8fc7\u671f\u8fd8\u6ca1\u8f6c\u6b63\u7684&#xff0c;\u76f4\u63a5\u7531\u5b9a\u65f6\u4efb\u52a1\u6e05\u7406\u6389\u3002<\/li>\n<h3>&#x1f4bb; \u4ee3\u7801\u5b9e\u6218<\/h3>\n<p>\u8bf4\u5e72\u5c31\u5e72\u3002\u6211\u4eec\u51b3\u5b9a\u91c7\u7528 \u65b9\u6848\u4e8c&#xff08;\u4e24\u9636\u6bb5\u63d0\u4ea4&#xff09; \u4f5c\u4e3a\u4e3b\u65b9\u6848&#xff0c;\u5c0f\u6c50\u7684 \u65b9\u6848\u4e00&#xff08;\u6df7\u5408\u63d0\u4ea4&#xff09; \u4f5c\u4e3a\u8f7b\u91cf\u7ea7\u573a\u666f\u7684\u5907\u9009\u3002<\/p>\n<h4>1. \u6570\u636e\u5e93\u5c42\u6539\u9020&#xff1a;\u7ed9\u6587\u4ef6\u52a0\u4e2a\u8eab\u4efd<\/h4>\n<p>\u6211\u4eec\u9700\u8981\u4e00\u5f20\u7edf\u4e00\u7684 sys_file \u8868\u6765\u7ba1\u7406\u6240\u6709\u6587\u4ef6\u3002<\/p>\n<p><span class=\"token keyword\">CREATE<\/span> <span class=\"token keyword\">TABLE<\/span> <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>sys_file<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token punctuation\">(<\/span><br \/>\n  <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>id<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token keyword\">bigint<\/span> <span class=\"token operator\">NOT<\/span> <span class=\"token boolean\">NULL<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>url<span class=\"token punctuation\">&#096;<\/span><\/span> <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 punctuation\">,<\/span><br \/>\n  <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>status<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token keyword\">tinyint<\/span> <span class=\"token keyword\">DEFAULT<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token comment\">&#8212; 0: TEMP(\u4e34\u65f6), 1: USED(\u5df2\u786e\u8ba4)<\/span><br \/>\n  <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>expire_time<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token keyword\">datetime<\/span> <span class=\"token keyword\">DEFAULT<\/span> <span class=\"token boolean\">NULL<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token comment\">&#8212; \u4e34\u65f6\u6587\u4ef6\u8fc7\u671f\u65f6\u95f4<\/span><br \/>\n  <span class=\"token identifier\"><span class=\"token punctuation\">&#096;<\/span>create_time<span class=\"token punctuation\">&#096;<\/span><\/span> <span class=\"token keyword\">datetime<\/span> <span class=\"token keyword\">DEFAULT<\/span> <span class=\"token keyword\">CURRENT_TIMESTAMP<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>2. \u540e\u7aef\u903b\u8f91&#xff1a;\u4e0a\u4f20\u5373\u201c\u4e34\u65f6\u201d<\/h4>\n<p><span class=\"token comment\">\/\/ \u4e0a\u4f20\u63a5\u53e3<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FileVO<\/span> <span class=\"token function\">upload<\/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    <span class=\"token class-name\">String<\/span> url <span class=\"token operator\">&#061;<\/span> ossService<span class=\"token punctuation\">.<\/span><span class=\"token function\">upload<\/span><span class=\"token punctuation\">(<\/span>file<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token class-name\">SysFile<\/span> sysFile <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">SysFile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    sysFile<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    sysFile<span class=\"token punctuation\">.<\/span><span class=\"token function\">setStatus<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Status<\/span><span class=\"token punctuation\">.<\/span>TEMP<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u9ed8\u8ba4\u662f\u4e34\u65f6\u6001<\/span><br \/>\n    sysFile<span class=\"token punctuation\">.<\/span><span class=\"token function\">setExpireTime<\/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 function\">plusHours<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">24<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ 24\u5c0f\u65f6\u540e\u8fc7\u671f<\/span><\/p>\n<p>    fileMapper<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span>sysFile<span class=\"token punctuation\">)<\/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\">FileVO<\/span><span class=\"token punctuation\">(<\/span>sysFile<span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/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<h4>3. \u4e1a\u52a1\u63d0\u4ea4&#xff1a;\u4e8b\u52a1\u5185\u201c\u8f6c\u6b63\u201d<\/h4>\n<p>\u8fd9\u662f\u6700\u5173\u952e\u7684\u4e00\u6b65\u3002\u53ea\u6709\u4e1a\u52a1\u6210\u529f\u4e86&#xff0c;\u6587\u4ef6\u624d\u80fd\u6d3b\u4e0b\u6765\u3002<\/p>\n<p><span class=\"token annotation punctuation\">&#064;Transactional<\/span><span class=\"token punctuation\">(<\/span>rollbackFor <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Exception<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">submitFeedback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">FeedbackForm<\/span> form<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ 1. \u4fdd\u5b58\u4e1a\u52a1\u6570\u636e<\/span><br \/>\n    feedbackMapper<span class=\"token punctuation\">.<\/span><span class=\"token function\">save<\/span><span class=\"token punctuation\">(<\/span>form<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 2. \u3010\u5173\u952e\u3011\u5c06\u6587\u4ef6\u6807\u8bb0\u4e3a\u201c\u5df2\u4f7f\u7528\u201d<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8fd9\u4e00\u6b65\u5fc5\u987b\u5728\u4e8b\u52a1\u5185&#xff0c;\u5982\u679c\u4fdd\u5b58\u5931\u8d25\u56de\u6eda&#xff0c;\u6587\u4ef6\u4f9d\u7136\u662f TEMP&#xff0c;\u4f1a\u88ab\u540e\u7eed\u6e05\u7406<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>form<span class=\"token punctuation\">.<\/span><span class=\"token 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line{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;stroke-width:2px;}#mermaid-svg-tc8Z2NuRQpOgh5wb :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}\u4ec0\u4e48\u90fd\u4e0d\u505aalt[\u7528\u6237\u63d0\u4ea4\u8868\u5355][\u7528\u6237\u8dd1\u8def]loop[\u6bcf\u5c0f\u65f6\u6267\u884c]1. \u4e0a\u4f20\u6587\u4ef6\u5b58\u5165\u8bb0\u5f55 (\u72b6\u6001&#061;TEMP, \u8fc7\u671f&#061;24h\u540e)\u8fd4\u56de fileId2. \u63d0\u4ea4\u8868\u5355 (\u5e26 fileId)\u5f00\u542f\u4e8b\u52a1\u4fdd\u5b58\u4e1a\u52a1\u6570\u636e\u66f4\u65b0\u6587\u4ef6\u72b6\u6001 TEMP -&gt;&gt; USED\u63d0\u4ea4\u6210\u529f\u626b\u63cf status&#061;TEMP &amp; expire_time &lt; now\u5220\u9664\u7269\u7406\u6587\u4ef6\u5220\u9664\u6587\u4ef6\u8bb0\u5f55<\/p>\n<h3>&#x1f4ca; 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\u7ecf\u9a8c\u603b\u7ed3<\/h3>\n<p>\u8fd9\u6b21\u6cbb\u7406&#xff0c;\u8ba9\u6211\u4eec\u660e\u767d\u4e86\u4e00\u4e2a\u9053\u7406&#xff1a;\u8d44\u6e90\u5fc5\u987b\u8981\u6709\u751f\u547d\u5468\u671f\u7ba1\u7406\u3002<\/p>\n<p>\u6838\u5fc3\u8981\u70b9&#xff1a;<\/p>\n<li>\u573a\u666f\u5206\u6cbb&#xff1a;\u5c0f\u6587\u4ef6&#xff08;\u5934\u50cf\/\u51ed\u8bc1&#xff09;\u53ef\u7528 FormData \u6df7\u5408\u63d0\u4ea4&#xff0c;\u7b80\u5355\u7c97\u66b4\u96f6\u5b64\u513f&#xff1b;\u5927\u6587\u4ef6\u5fc5\u987b\u8d70 \u4e24\u9636\u6bb5\u63d0\u4ea4\u3002<\/li>\n<li>\u9ed8\u8ba4\u4e34\u65f6&#xff1a;\u6240\u6709\u5f02\u6b65\u4e0a\u4f20\u9ed8\u8ba4\u90fd\u662f\u201c\u4e34\u65f6\u6001\u201d&#xff0c;\u8bbe\u7f6e TTL&#xff08;Time To Live&#xff09;\u3002<\/li>\n<li>\u53cd\u5411\u786e\u8ba4&#xff1a;\u4e1a\u52a1\u63d0\u4ea4\u6210\u529f\u662f\u6587\u4ef6\u201c\u8f6c\u6b63\u201d\u7684\u552f\u4e00\u6761\u4ef6\u3002<\/li>\n<p>\u907f\u5751\u6307\u5357&#xff1a;<\/p>\n<ul>\n<li>\u274c 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