{"id":47508,"date":"2025-07-30T08:11:45","date_gmt":"2025-07-30T00:11:45","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/47508.html"},"modified":"2025-07-30T08:11:45","modified_gmt":"2025-07-30T00:11:45","slug":"%e7%ac%ac%e4%ba%8c%e7%ab%a0%ef%bc%9a%e6%a0%b8%e5%bf%83%e6%95%b0%e6%8d%ae%e7%bb%93%e6%9e%84%e4%b8%8e%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e6%80%9d%e6%83%b3%e4%b9%8b%e6%95%b0%e7%bb%84%e4%b8%8e%e5%88%87","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/47508.html","title":{"rendered":"\u7b2c\u4e8c\u7ae0\uff1a\u6838\u5fc3\u6570\u636e\u7ed3\u6784\u4e0e\u9762\u5411\u5bf9\u8c61\u601d\u60f3\u4e4b\u6570\u7ec4\u4e0e\u5207\u7247"},"content":{"rendered":"<h3>\u6df1\u5165\u7406\u89e3 Go \u8bed\u8a00\u4e2d\u7684\u6570\u7ec4\u4e0e\u5207\u7247&#xff1a;\u56fa\u5b9a\u3001\u52a8\u6001\u4e0e\u5e95\u5c42\u5965\u79d8<\/h3>\n<p>\u5728 Go \u8bed\u8a00\u4e2d&#xff0c;\u6570\u7ec4 (Array) \u548c\u5207\u7247 (Slice) \u662f\u4e24\u79cd\u6838\u5fc3\u7684\u6570\u636e\u7ed3\u6784&#xff0c;\u7528\u4e8e\u5b58\u50a8\u540c\u7c7b\u578b\u5143\u7d20\u7684\u96c6\u5408\u3002\u5c3d\u7ba1\u5b83\u4eec\u770b\u8d77\u6765\u76f8\u4f3c&#xff0c;\u4f46\u5176\u5e95\u5c42\u673a\u5236\u548c\u8bbe\u8ba1\u54f2\u5b66\u5374\u5927\u76f8\u5f84\u5ead&#xff0c;\u7406\u89e3\u8fd9\u4e9b\u5dee\u5f02\u5bf9\u4e8e\u7f16\u5199\u9ad8\u6548\u3001\u5065\u58ee\u7684 Go \u4ee3\u7801\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u5e26\u4f60\u6df1\u5165\u5256\u6790\u6570\u7ec4\u7684\u56fa\u5b9a\u6027\u4e0e\u5207\u7247\u7684\u52a8\u6001\u6027&#xff0c;\u91cd\u70b9\u63ed\u793a\u5207\u7247\u7684\u5185\u90e8\u7ed3\u6784\u3001\u4ee5\u53ca append \u548c copy \u7b49\u64cd\u4f5c\u80cc\u540e\u7684\u5185\u5b58\u7ba1\u7406\u548c\u6269\u5bb9\u673a\u5236\u3002<\/p>\n<h4>1. \u6570\u7ec4 (Array)&#xff1a;\u56fa\u5b9a\u957f\u5ea6\u7684\u96c6\u5408<\/h4>\n<p>\u6570\u7ec4\u662f Go \u8bed\u8a00\u4e2d\u6700\u57fa\u672c\u3001\u4e5f\u662f\u6700\u201c\u539f\u59cb\u201d\u7684\u590d\u5408\u6570\u636e\u7c7b\u578b\u4e4b\u4e00\u3002\u5b83\u7684\u4e3b\u8981\u7279\u70b9\u662f&#xff1a;<\/p>\n<ul>\n<li>\u56fa\u5b9a\u957f\u5ea6&#xff1a; \u6570\u7ec4\u7684\u957f\u5ea6\u5728\u58f0\u660e\u65f6\u5c31\u5df2\u786e\u5b9a&#xff0c;\u5e76\u4e14\u4e0d\u80fd\u5728\u8fd0\u884c\u65f6\u6539\u53d8\u3002\u6570\u7ec4\u7684\u957f\u5ea6\u662f\u5176\u7c7b\u578b\u7684\u4e00\u90e8\u5206\u3002\u4f8b\u5982&#xff0c;[5]int \u548c [10]int \u662f\u4e24\u79cd\u5b8c\u5168\u4e0d\u540c\u7684\u6570\u7ec4\u7c7b\u578b\u3002<\/li>\n<li>\u540c\u8d28\u6027&#xff1a; \u6570\u7ec4\u53ea\u80fd\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u5143\u7d20\u3002<\/li>\n<li>\u503c\u7c7b\u578b&#xff1a; \u6570\u7ec4\u662f\u503c\u7c7b\u578b\u3002\u8fd9\u610f\u5473\u7740\u5f53\u4f60\u5c06\u4e00\u4e2a\u6570\u7ec4\u8d4b\u503c\u7ed9\u53e6\u4e00\u4e2a\u6570\u7ec4\u53d8\u91cf&#xff0c;\u6216\u8005\u5c06\u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u51fd\u6570\u65f6&#xff0c;\u4f1a\u521b\u5efa\u4e00\u4e2a\u539f\u59cb\u6570\u7ec4\u7684\u5b8c\u6574\u526f\u672c\u3002<\/li>\n<\/ul>\n<p>\u58f0\u660e\u4e0e\u521d\u59cb\u5316&#xff1a;<\/p>\n<p><span class=\"token keyword\">package<\/span> main<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token string\">&#034;fmt&#034;<\/span><\/p>\n<p><span class=\"token keyword\">func<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u58f0\u660e\u4e00\u4e2a\u957f\u5ea6\u4e3a5\u7684\u6574\u578b\u6570\u7ec4&#xff0c;\u5143\u7d20\u521d\u59cb\u5316\u4e3a\u96f6\u503c<\/span><br \/>\n    <span class=\"token keyword\">var<\/span> arr1 <span class=\"token punctuation\">[<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">int<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;arr1:&#034;<\/span><span class=\"token punctuation\">,<\/span> arr1<span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa: arr1: [0 0 0 0 0]<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u58f0\u660e\u5e76\u521d\u59cb\u5316\u4e00\u4e2a\u957f\u5ea6\u4e3a3\u7684\u5b57\u7b26\u4e32\u6570\u7ec4<\/span><br \/>\n    arr2 <span class=\"token operator\">:&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">string<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;Go&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Language&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Array&#034;<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;arr2:&#034;<\/span><span class=\"token punctuation\">,<\/span> arr2<span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa: arr2: [Go Language Array]<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u58f0\u660e\u65f6\u81ea\u52a8\u63a8\u65ad\u957f\u5ea6<\/span><br \/>\n    arr3 <span class=\"token operator\">:&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token operator\">&#8230;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">float64<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">1.1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2.2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3.3<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">4.4<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;arr3:&#034;<\/span><span class=\"token punctuation\">,<\/span> arr3<span class=\"token punctuation\">)<\/span>           <span class=\"token comment\">\/\/ \u8f93\u51fa: arr3: [1.1 2.2 3.3 4.4]<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;arr3\u7684\u957f\u5ea6:&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>arr3<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa: arr3\u7684\u957f\u5ea6: 4<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbf\u95ee\u548c\u4fee\u6539\u5143\u7d20<\/span><br \/>\n    arr1<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">10<\/span><br \/>\n    arr1<span class=\"token punctuation\">[<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">20<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u4fee\u6539\u540e\u7684arr1:&#034;<\/span><span class=\"token punctuation\">,<\/span> arr1<span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa: \u4fee\u6539\u540e\u7684arr1: [10 0 0 0 20]<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6570\u7ec4\u4f5c\u4e3a\u503c\u7c7b\u578b\u793a\u4f8b<\/span><br \/>\n    arrCopy <span class=\"token operator\">:&#061;<\/span> arr2 <span class=\"token comment\">\/\/ arrCopy \u662f arr2 \u7684\u4e00\u4e2a\u72ec\u7acb\u526f\u672c<\/span><br \/>\n    arrCopy<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;Python&#034;<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;arr2 (\u539f\u59cb):&#034;<\/span><span class=\"token punctuation\">,<\/span> arr2<span class=\"token punctuation\">)<\/span>         <span class=\"token comment\">\/\/ \u8f93\u51fa: arr2 (\u539f\u59cb): [Go Language Array]<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;arrCopy (\u526f\u672c):&#034;<\/span><span class=\"token punctuation\">,<\/span> arrCopy<span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa: arrCopy (\u526f\u672c): [Python Language Array]<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u7531\u4e8e\u5176\u56fa\u5b9a\u957f\u5ea6\u7684\u7279\u6027&#xff0c;\u6570\u7ec4\u5728 Go \u8bed\u8a00\u4e2d\u76f4\u63a5\u4f7f\u7528\u7684\u573a\u666f\u76f8\u5bf9\u8f83\u5c11&#xff0c;\u5b83\u4eec\u66f4\u591a\u5730\u4f5c\u4e3a\u5207\u7247\u7684\u5e95\u5c42\u5b58\u50a8\u3002<\/p>\n<h4>2. \u5207\u7247 (Slice)&#xff1a;\u52a8\u6001\u957f\u5ea6\u7684\u89c6\u56fe<\/h4>\n<p>\u5207\u7247\u662f Go \u8bed\u8a00\u4e2d\u6700\u5e38\u7528\u3001\u6700\u5f3a\u5927\u7684\u6570\u636e\u7ed3\u6784\u4e4b\u4e00&#xff0c;\u5b83\u63d0\u4f9b\u4e86\u5bf9\u5e95\u5c42\u6570\u7ec4\u7684\u52a8\u6001\u3001\u7075\u6d3b\u7684\u89c6\u56fe\u3002\u4e0e\u6570\u7ec4\u4e0d\u540c&#xff0c;\u5207\u7247\u7684\u957f\u5ea6\u662f\u53ef\u53d8\u7684&#xff0c;\u5b83\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u589e\u957f\u6216\u7f29\u5c0f\u3002<\/p>\n<p>\u5207\u7247\u7684\u5185\u90e8\u7ed3\u6784 (The Slice Header)&#xff1a;<\/p>\n<p>\u8981\u771f\u6b63\u7406\u89e3\u5207\u7247&#xff0c;\u6211\u4eec\u5fc5\u987b\u6df1\u5165\u4e86\u89e3\u5b83\u7684\u5185\u90e8\u7ed3\u6784\u3002\u4e00\u4e2a Go \u5207\u7247\u5728\u5185\u5b58\u4e2d\u5e76\u4e0d\u662f\u76f4\u63a5\u5b58\u50a8\u6570\u636e\u672c\u8eab&#xff0c;\u800c\u662f\u4e00\u4e2a\u5305\u542b\u4e09\u4e2a\u5b57\u6bb5\u7684\u201c\u7ed3\u6784\u4f53\u201d\u6216\u8005\u8bf4\u201c\u63cf\u8ff0\u7b26\u201d&#xff1a;<\/p>\n<li>\u6307\u5411\u5e95\u5c42\u6570\u7ec4\u7684\u6307\u9488 (Ptr)&#xff1a; \u8fd9\u662f\u4e00\u4e2a\u6307\u9488&#xff0c;\u6307\u5411\u5207\u7247\u6240\u5f15\u7528\u7684\u5e95\u5c42\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002<\/li>\n<li>\u957f\u5ea6 (Len)&#xff1a; \u5f53\u524d\u5207\u7247\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002\u8fd9\u662f\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5207\u7247\u7d22\u5f15\u8bbf\u95ee\u7684\u6709\u6548\u5143\u7d20\u4e2a\u6570\u3002<\/li>\n<li>\u5bb9\u91cf (Cap)&#xff1a; \u4ece\u5207\u7247\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20&#xff08;\u7531 Ptr \u6307\u5411&#xff09;\u5f00\u59cb&#xff0c;\u5230\u5e95\u5c42\u6570\u7ec4\u672b\u5c3e\u7684\u5143\u7d20\u603b\u6570\u3002\u8fd9\u8868\u793a\u5728\u4e0d\u91cd\u65b0\u5206\u914d\u5e95\u5c42\u6570\u7ec4\u7684\u60c5\u51b5\u4e0b&#xff0c;\u5207\u7247\u53ef\u4ee5\u589e\u957f\u7684\u6700\u5927\u957f\u5ea6\u3002<\/li>\n<p>\u4f60\u53ef\u4ee5\u5c06\u5207\u7247\u60f3\u8c61\u6210\u4e00\u4e2a\u201c\u7a97\u53e3\u201d\u6216\u8005\u201c\u53d6\u666f\u6846\u201d&#xff0c;\u5b83\u900f\u8fc7\u8fd9\u4e2a\u7a97\u53e3\u53ef\u4ee5\u770b\u5230\u5e95\u5c42\u6570\u7ec4\u7684\u4e00\u90e8\u5206\u3002Len \u51b3\u5b9a\u4e86\u7a97\u53e3\u7684\u5bbd\u5ea6&#xff0c;\u800c Cap \u51b3\u5b9a\u4e86\u4ece\u7a97\u53e3\u5de6\u4fa7\u5f00\u59cb&#xff0c;\u5230\u5e95\u5c42\u6570\u7ec4\u8fb9\u7f18\u8fd8\u6709\u591a\u5927\u7684\u53ef\u7528\u7a7a\u95f4\u3002<\/p>\n<p>\u793a\u4f8b&#xff1a;\u5207\u7247\u7684\u521b\u5efa\u4e0e\u5185\u90e8\u7ed3\u6784<\/p>\n<p><span class=\"token keyword\">package<\/span> main<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token string\">&#034;fmt&#034;<\/span><\/p>\n<p><span class=\"token keyword\">func<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ 1. \u4f7f\u7528make\u521b\u5efa\u5207\u7247<\/span><br \/>\n    <span class=\"token comment\">\/\/ make([]Type, length, capacity)<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5982\u679c\u7701\u7565capacity&#xff0c;\u5219capacity\u7b49\u4e8elength<\/span><br \/>\n    slice1 <span class=\"token operator\">:&#061;<\/span> <span class=\"token function\">make<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u521b\u5efa\u4e00\u4e2a\u957f\u5ea6\u4e3a3&#xff0c;\u5bb9\u91cf\u4e3a5\u7684int\u5207\u7247<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;slice1: %v, len: %d, cap: %d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> slice1<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>slice1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>slice1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8f93\u51fa: slice1: [0 0 0], len: 3, cap: 5<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ slice1 \u7684\u5185\u90e8\u7ed3\u6784\u5927\u81f4\u662f:<\/span><br \/>\n    <span class=\"token comment\">\/\/ Ptr -&gt; \u6307\u5411\u5e95\u5c42\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20 (\u503c\u662f0)<\/span><br \/>\n    <span class=\"token comment\">\/\/ Len &#061; 3<\/span><br \/>\n    <span class=\"token comment\">\/\/ Cap &#061; 5<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5b9e\u9645\u5185\u5b58: [0 0 0 (\u9884\u7559) (\u9884\u7559)]<\/span><\/p>\n<p>    slice2 <span class=\"token operator\">:&#061;<\/span> <span class=\"token function\">make<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u957f\u5ea6\u4e3a2&#xff0c;\u5bb9\u91cf\u4e5f\u4e3a2<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;slice2: %v, len: %d, cap: %d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> slice2<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>slice2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>slice2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8f93\u51fa: slice2: [, ], len: 2, cap: 2<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 2. \u5207\u7247\u5b57\u9762\u91cf<\/span><br \/>\n    slice3 <span class=\"token operator\">:&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">30<\/span><span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/\/ \u957f\u5ea6\u548c\u5bb9\u91cf\u90fd\u7b49\u4e8e\u5143\u7d20\u6570\u91cf<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;slice3: %v, len: %d, cap: %d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> slice3<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>slice3<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>slice3<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8f93\u51fa: slice3: [10 20 30], len: 3, cap: 3<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 3. \u4ece\u6570\u7ec4\u6216\u73b0\u6709\u5207\u7247\u521b\u5efa&#xff08;\u5207\u7247\u64cd\u4f5c&#xff09;<\/span><br \/>\n    arr <span class=\"token operator\">:&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    sliceFromArr <span class=\"token operator\">:&#061;<\/span> arr<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">:<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token comment\">\/\/ \u4ece\u7d22\u5f151\u5230\u7d22\u5f154&#xff08;\u4e0d\u5305\u542b4&#xff09;<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;sliceFromArr: %v, len: %d, cap: %d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> sliceFromArr<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>sliceFromArr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>sliceFromArr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8f93\u51fa: sliceFromArr: [2 3 4], len: 3, cap: 4<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u89e3\u91ca&#xff1a;<\/span><br \/>\n    <span class=\"token comment\">\/\/ Ptr -&gt; \u6307\u5411 arr[1] (\u503c\u662f2)<\/span><br \/>\n    <span class=\"token comment\">\/\/ Len &#061; 4 &#8211; 1 &#061; 3<\/span><br \/>\n    <span class=\"token comment\">\/\/ Cap &#061; \u4ece arr[1] \u5230 arr \u672b\u5c3e\u7684\u5143\u7d20\u6570\u91cf &#061; 5 &#8211; 1 &#061; 4<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8fdb\u4e00\u6b65\u5207\u7247&#xff08;\u91cd\u65b0\u5207\u7247&#xff09;<\/span><br \/>\n    subSlice <span class=\"token operator\">:&#061;<\/span> sliceFromArr<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">:<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token comment\">\/\/ \u4ece sliceFromArr \u7684\u7d22\u5f150\u52302&#xff08;\u4e0d\u5305\u542b2&#xff09;<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;subSlice: %v, len: %d, cap: %d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> subSlice<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>subSlice<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>subSlice<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8f93\u51fa: subSlice: [2 3], len: 2, cap: 4<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u89e3\u91ca&#xff1a;<\/span><br \/>\n    <span class=\"token comment\">\/\/ Ptr -&gt; \u4ecd\u7136\u6307\u5411 arr[1] (\u503c\u662f2), \u56e0\u4e3a subSlice \u662f sliceFromArr \u7684\u4e00\u4e2a\u66f4\u5c0f\u89c6\u56fe<\/span><br \/>\n    <span class=\"token comment\">\/\/ Len &#061; 2 &#8211; 0 &#061; 2<\/span><br \/>\n    <span class=\"token comment\">\/\/ Cap &#061; \u4ece subSlice \u7684 Ptr (\u5373 arr[1]) \u5230\u5e95\u5c42\u6570\u7ec4 arr \u672b\u5c3e &#061; 5 &#8211; 1 &#061; 4<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5173\u952e\u70b9&#xff1a; \u591a\u4e2a\u5207\u7247\u53ef\u4ee5\u5171\u4eab\u540c\u4e00\u4e2a\u5e95\u5c42\u6570\u7ec4\u3002\u8fd9\u610f\u5473\u7740\u901a\u8fc7\u4e00\u4e2a\u5207\u7247\u4fee\u6539\u5e95\u5c42\u6570\u7ec4\u7684\u5143\u7d20&#xff0c;\u4f1a\u5f71\u54cd\u5230\u6240\u6709\u6307\u5411\u8be5\u5e95\u5c42\u6570\u7ec4\u7684\u5207\u7247\u3002\u8fd9\u662f\u5207\u7247\u8bbe\u8ba1\u4e2d\u975e\u5e38\u91cd\u8981\u7684\u4e00\u70b9&#xff0c;\u4e5f\u662f\u7406\u89e3\u5176\u884c\u4e3a\u7684\u5173\u952e\u3002<\/p>\n<h4>3. \u5207\u7247\u7684\u6838\u5fc3\u64cd\u4f5c&#xff1a;append() \u548c copy()<\/h4>\n<p>Go \u8bed\u8a00\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5185\u7f6e\u51fd\u6570\u6765\u64cd\u4f5c\u5207\u7247&#xff0c;\u5176\u4e2d append() \u548c copy() \u662f\u6700\u5e38\u7528\u7684\u4e24\u4e2a\u3002<\/p>\n<h5>3.1 append() \u51fd\u6570&#xff1a;\u52a8\u6001\u589e\u957f\u7684\u79d8\u5bc6<\/h5>\n<p>append() \u51fd\u6570\u7528\u4e8e\u5411\u5207\u7247\u7684\u672b\u5c3e\u6dfb\u52a0\u4e00\u4e2a\u6216\u591a\u4e2a\u5143\u7d20\u3002\u5b83\u7684\u5de5\u4f5c\u65b9\u5f0f\u975e\u5e38\u5de7\u5999&#xff0c;\u662f\u5207\u7247\u52a8\u6001\u957f\u5ea6\u7279\u6027\u7684\u6838\u5fc3\u3002<\/p>\n<p>\u8bed\u6cd5&#xff1a; newSlice &#061; append(oldSlice, elements&#8230;)<\/p>\n<p>append() \u7684\u5185\u5b58\u5206\u914d\u548c\u6269\u5bb9\u673a\u5236&#xff1a;<\/p>\n<p>append() \u7684\u884c\u4e3a\u53d6\u51b3\u4e8e\u5f53\u524d\u5207\u7247\u7684\u5bb9\u91cf (cap) \u662f\u5426\u8db3\u591f\u5bb9\u7eb3\u65b0\u5143\u7d20&#xff1a;<\/p>\n<li>\n<p>\u5bb9\u91cf\u5145\u8db3 (Len &lt; Cap)&#xff1a;<\/p>\n<ul>\n<li>\u65b0\u5143\u7d20\u76f4\u63a5\u653e\u7f6e\u5728\u5e95\u5c42\u6570\u7ec4\u7684\u7a7a\u95f2\u4f4d\u7f6e&#xff08;\u5373\u5f53\u524d len \u4e4b\u540e&#xff09;\u3002<\/li>\n<li>\u5207\u7247\u7684 Len \u5b57\u6bb5\u589e\u52a0\u3002<\/li>\n<li>\u5207\u7247\u7684 Ptr \u548c Cap \u4fdd\u6301\u4e0d\u53d8\u3002<\/li>\n<li>\u8fd9\u79cd\u60c5\u51b5\u4e0b&#xff0c;append() \u5f80\u5f80\u4f1a\u8fd4\u56de\u539f\u59cb\u5207\u7247\u672c\u8eab&#xff08;\u6216\u5176\u66f4\u65b0\u540e\u7684\u5934\u90e8&#xff09;&#xff0c;\u56e0\u4e3a\u5e95\u5c42\u6570\u7ec4\u6ca1\u6709\u6539\u53d8\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5bb9\u91cf\u4e0d\u8db3 (Len &#061;&#061; Cap)&#xff1a;<\/p>\n<ul>\n<li>Go \u8fd0\u884c\u65f6\u4f1a\u5206\u914d\u4e00\u4e2a\u65b0\u7684\u3001\u66f4\u5927\u7684\u5e95\u5c42\u6570\u7ec4\u3002<\/li>\n<li>\u65e7\u5e95\u5c42\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u4f1a\u88ab\u590d\u5236\u5230\u65b0\u6570\u7ec4\u4e2d\u3002<\/li>\n<li>\u65b0\u5143\u7d20\u88ab\u6dfb\u52a0\u5230\u65b0\u6570\u7ec4\u7684\u672b\u5c3e\u3002<\/li>\n<li>\u5207\u7247\u7684 Ptr \u5b57\u6bb5\u4f1a\u66f4\u65b0\u4e3a\u6307\u5411\u65b0\u6570\u7ec4\u7684\u8d77\u59cb\u5730\u5740\u3002<\/li>\n<li>\u5207\u7247\u7684 Len \u548c Cap \u5b57\u6bb5\u90fd\u4f1a\u66f4\u65b0\u4ee5\u53cd\u6620\u65b0\u7684\u72b6\u6001\u3002<\/li>\n<li>\u6269\u5bb9\u7b56\u7565&#xff1a; \u4e3a\u4e86\u51cf\u5c11\u5185\u5b58\u91cd\u65b0\u5206\u914d\u7684\u6b21\u6570&#xff0c;Go \u7684\u5207\u7247\u6269\u5bb9\u901a\u5e38\u9075\u5faa\u4e00\u5b9a\u7684\u7b56\u7565&#xff1a;\n<ul>\n<li>\u5f53\u65b0\u957f\u5ea6\u8d85\u8fc7\u5f53\u524d\u5bb9\u91cf\u65f6&#xff1a;\n<ul>\n<li>\u5982\u679c\u5f53\u524d\u5bb9\u91cf\u5c0f\u4e8e1024&#xff0c;\u65b0\u5bb9\u91cf\u901a\u5e38\u4f1a\u7ffb\u500d&#xff08;newCap &#061; oldCap * 2&#xff09;\u3002<\/li>\n<li>\u5982\u679c\u5f53\u524d\u5bb9\u91cf\u5927\u4e8e\u6216\u7b49\u4e8e1024&#xff0c;\u65b0\u5bb9\u91cf\u901a\u5e38\u4f1a\u4ee51.25\u500d&#xff08;newCap &#061; oldCap &#043; oldCap \/ 4&#xff09;\u6216\u63a5\u8fd1\u7684\u503c\u589e\u957f&#xff0c;\u4ee5\u907f\u514d\u4e00\u6b21\u6027\u5206\u914d\u8fc7\u5927\u7684\u5185\u5b58\u5757\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6700\u7ec8\u65b0\u5bb9\u91cf\u8fd8\u4f1a\u8003\u8651\u9700\u8981\u8ffd\u52a0\u7684\u5143\u7d20\u6570\u91cf&#xff0c;\u786e\u4fdd\u80fd\u591f\u5bb9\u7eb3\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<p>\u91cd\u8981\u63d0\u793a&#xff1a; append() \u51fd\u6570\u53ef\u80fd\u4f1a\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u5207\u7247\u3002\u56e0\u6b64&#xff0c;\u603b\u662f\u5e94\u8be5\u5c06 append \u7684\u7ed3\u679c\u8d4b\u503c\u56de\u539f\u59cb\u5207\u7247\u53d8\u91cf&#xff0c;\u4f8b\u5982 s &#061; append(s, elem)\u3002\u5982\u679c\u4f60\u4e0d\u8fd9\u6837\u505a&#xff0c;\u5f53\u53d1\u751f\u6269\u5bb9\u65f6&#xff0c;\u4f60\u7684\u5207\u7247\u53d8\u91cf\u53ef\u80fd\u4ecd\u7136\u6307\u5411\u65e7\u7684\u3001\u8f83\u5c0f\u7684\u5e95\u5c42\u6570\u7ec4&#xff0c;\u5bfc\u81f4\u903b\u8f91\u9519\u8bef\u3002<\/p>\n<p>\u793a\u4f8b&#xff1a;append() \u7684\u884c\u4e3a<\/p>\n<p><span class=\"token keyword\">package<\/span> main<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token string\">&#034;fmt&#034;<\/span><\/p>\n<p><span class=\"token keyword\">func<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u793a\u4f8b1: \u5bb9\u91cf\u5145\u8db3&#xff0c;\u4e0d\u53d1\u751f\u6269\u5bb9<\/span><br \/>\n    s1 <span class=\"token operator\">:&#061;<\/span> <span class=\"token function\">make<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ len&#061;3, cap&#061;5<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;s1 \u521d\u59cb: %v, len: %d, cap: %d, Ptr: %p\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> s1<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>s1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>s1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> s1<span class=\"token punctuation\">)<\/span><\/p>\n<p>    s1 <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>s1<span class=\"token punctuation\">,<\/span> <span class=\"token number\">40<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u8ffd\u52a0\u4e00\u4e2a\u5143\u7d20<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;s1 \u8ffd\u52a01: %v, len: %d, cap: %d, Ptr: %p\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> s1<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>s1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>s1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> s1<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u9884\u671f&#xff1a;len&#061;4, cap&#061;5, Ptr\u4e0d\u53d8\u3002\u5143\u7d20 [0 0 0 40]<\/span><\/p>\n<p>    s1 <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>s1<span class=\"token punctuation\">,<\/span> <span class=\"token number\">50<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u518d\u8ffd\u52a0\u4e00\u4e2a\u5143\u7d20<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;s1 \u8ffd\u52a02: %v, len: %d, cap: %d, Ptr: %p\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> s1<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>s1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>s1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> s1<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u9884\u671f&#xff1a;len&#061;5, cap&#061;5, Ptr\u4e0d\u53d8\u3002\u5143\u7d20 [0 0 0 40 50]<\/span><\/p>\n<p>    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u793a\u4f8b2: \u5bb9\u91cf\u4e0d\u8db3&#xff0c;\u53d1\u751f\u6269\u5bb9<\/span><br \/>\n    s2 <span class=\"token operator\">:&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/\/ len&#061;3, cap&#061;3<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;s2 \u521d\u59cb: %v, len: %d, cap: %d, Ptr: %p\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> s2<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>s2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>s2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> s2<span class=\"token punctuation\">)<\/span><\/p>\n<p>    s2 <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>s2<span class=\"token punctuation\">,<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u8ffd\u52a0\u4e00\u4e2a\u5143\u7d20&#xff0c;\u6b64\u65f6len&#061;cap&#xff0c;\u5c06\u89e6\u53d1\u6269\u5bb9<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;s2 \u8ffd\u52a01: %v, len: %d, cap: %d, Ptr: %p\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> s2<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>s2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>s2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> s2<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u9884\u671f&#xff1a;len&#061;4, cap&#061;6 (\u6216\u66f4\u5927\u7684\u5076\u6570&#xff0c;\u53d6\u51b3\u4e8e\u5177\u4f53\u5b9e\u73b0), Ptr\u53d8\u4e3a\u65b0\u7684\u5730\u5740\u3002\u5143\u7d20 [1 2 3 4]<\/span><\/p>\n<p>    s2 <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>s2<span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">7<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u8ffd\u52a0\u591a\u4e2a\u5143\u7d20<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;s2 \u8ffd\u52a02: %v, len: %d, cap: %d, Ptr: %p\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> s2<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>s2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>s2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> s2<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u9884\u671f&#xff1a;len&#061;7, cap&#061;12 (\u6216\u66f4\u5927\u7684\u5076\u6570), Ptr\u53ef\u80fd\u518d\u6b21\u6539\u53d8\u3002\u5143\u7d20 [1 2 3 4 5 6 7]<\/span><\/p>\n<p>    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u793a\u4f8b3: append nil \u5207\u7247<\/span><br \/>\n    <span class=\"token keyword\">var<\/span> nilSlice <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">int<\/span> <span class=\"token comment\">\/\/ len&#061;0, cap&#061;0, Ptr&#061;&lt;nil&gt;<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;nilSlice \u521d\u59cb: %v, len: %d, cap: %d, Ptr: %p\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> nilSlice<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>nilSlice<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>nilSlice<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> nilSlice<span class=\"token punctuation\">)<\/span><\/p>\n<p>    nilSlice <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>nilSlice<span class=\"token punctuation\">,<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;nilSlice \u8ffd\u52a0: %v, len: %d, cap: %d, Ptr: %p\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> nilSlice<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>nilSlice<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>nilSlice<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> nilSlice<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u9884\u671f&#xff1a;len&#061;1, cap&#061;1 (\u6216\u66f4\u5927), Ptr\u6307\u5411\u65b0\u5206\u914d\u7684\u5730\u5740\u3002\u5143\u7d20 [100]<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u901a\u8fc7\u89c2\u5bdf Ptr \u7684\u53d8\u5316&#xff0c;\u6211\u4eec\u53ef\u4ee5\u6e05\u695a\u5730\u770b\u5230\u4f55\u65f6\u53d1\u751f\u4e86\u5e95\u5c42\u6570\u7ec4\u7684\u91cd\u65b0\u5206\u914d\u3002<\/p>\n<h5>3.2 copy() \u51fd\u6570&#xff1a;\u7cbe\u786e\u590d\u5236\u4e0e\u72ec\u7acb<\/h5>\n<p>copy() \u51fd\u6570\u7528\u4e8e\u5c06\u6e90\u5207\u7247 (src) \u4e2d\u7684\u5143\u7d20\u590d\u5236\u5230\u76ee\u6807\u5207\u7247 (dst) \u4e2d\u3002<\/p>\n<p>\u8bed\u6cd5&#xff1a; copiedCount &#061; copy(dst, src)<\/p>\n<p>\u884c\u4e3a\u7279\u70b9&#xff1a;<\/p>\n<ul>\n<li>copy \u4f1a\u590d\u5236 min(len(dst), len(src)) \u4e2a\u5143\u7d20\u3002\u5b83\u53ea\u4f1a\u590d\u5236\u5230\u76ee\u6807\u5207\u7247\u5f53\u524d\u7684\u957f\u5ea6\u8303\u56f4\u5185\u3002<\/li>\n<li>copy \u4e0d\u4f1a\u6539\u53d8\u76ee\u6807\u5207\u7247\u7684\u957f\u5ea6 (len) \u6216\u5bb9\u91cf (cap)\u3002\u5982\u679c\u76ee\u6807\u5207\u7247\u4e0d\u591f\u5927&#xff0c;\u5b83\u53ea\u4f1a\u590d\u5236\u80fd\u5bb9\u7eb3\u7684\u90e8\u5206\u3002<\/li>\n<li>copy \u64cd\u4f5c\u662f\u5143\u7d20\u7ea7\u522b\u7684\u590d\u5236&#xff0c;\u8fd9\u610f\u5473\u7740\u590d\u5236\u540e\u7684\u76ee\u6807\u5207\u7247\u62e5\u6709\u72ec\u7acb\u7684\u5143\u7d20\u526f\u672c\u3002\u5982\u679c\u539f\u59cb\u5207\u7247\u548c\u76ee\u6807\u5207\u7247\u4e00\u5f00\u59cb\u6307\u5411\u4e0d\u540c\u7684\u5e95\u5c42\u6570\u7ec4&#xff0c;\u90a3\u4e48\u4fee\u6539\u76ee\u6807\u5207\u7247\u7684\u5143\u7d20\u4e0d\u4f1a\u5f71\u54cd\u539f\u59cb\u5207\u7247\u3002<\/li>\n<\/ul>\n<p>\u793a\u4f8b&#xff1a;copy() \u7684\u884c\u4e3a<\/p>\n<p><span class=\"token keyword\">package<\/span> main<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token string\">&#034;fmt&#034;<\/span><\/p>\n<p><span class=\"token keyword\">func<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    source <span class=\"token operator\">:&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;source: %v, len: %d, cap: %d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> source<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>source<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>source<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u793a\u4f8b1: \u76ee\u6807\u5207\u7247\u5bb9\u91cf\u8db3\u591f&#xff0c;\u4f46\u957f\u5ea6\u4e0d\u8db3<\/span><br \/>\n    destination1 <span class=\"token operator\">:&#061;<\/span> <span class=\"token function\">make<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ len&#061;3, cap&#061;5<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;destination1 \u521d\u59cb: %v, len: %d, cap: %d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> destination1<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>destination1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>destination1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    n <span class=\"token operator\">:&#061;<\/span> <span class=\"token function\">copy<\/span><span class=\"token punctuation\">(<\/span>destination1<span class=\"token punctuation\">,<\/span> source<span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u590d\u5236 min(3, 5) &#061; 3\u4e2a\u5143\u7d20<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u590d\u5236\u4e86 %d \u4e2a\u5143\u7d20\u3002\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> n<span class=\"token punctuation\">)<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;destination1 \u590d\u5236\u540e: %v, len: %d, cap: %d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> destination1<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>destination1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>destination1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u9884\u671f&#xff1a;[1 2 3], len&#061;3, cap&#061;5\u3002 0, 1, 2\u88ab\u8986\u76d6\u3002<\/span><\/p>\n<p>    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u793a\u4f8b2: \u76ee\u6807\u5207\u7247\u957f\u5ea6\u5927\u4e8e\u6e90\u5207\u7247\u957f\u5ea6<\/span><br \/>\n    destination2 <span class=\"token operator\">:&#061;<\/span> <span class=\"token function\">make<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ len&#061;6, cap&#061;6<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;destination2 \u521d\u59cb: %v, len: %d, cap: %d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> destination2<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>destination2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>destination2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">copy<\/span><span class=\"token punctuation\">(<\/span>destination2<span class=\"token punctuation\">,<\/span> source<span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u590d\u5236 min(6, 5) &#061; 5\u4e2a\u5143\u7d20<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u590d\u5236\u4e86 %d \u4e2a\u5143\u7d20\u3002\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> n<span class=\"token punctuation\">)<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;destination2 \u590d\u5236\u540e: %v, len: %d, cap: %d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> destination2<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>destination2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>destination2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u9884\u671f&#xff1a;[1 2 3 4 5 0], len&#061;6, cap&#061;6\u3002 \u53ea\u590d\u5236\u4e86source\u7684\u6240\u6709\u5143\u7d20\u3002<\/span><\/p>\n<p>    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u793a\u4f8b3: \u4f7f\u7528copy\u521b\u5efa\u72ec\u7acb\u526f\u672c<\/span><br \/>\n    original <span class=\"token operator\">:&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">string<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;apple&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;banana&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;cherry&#034;<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;original: %v, Ptr: %p\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> original<span class=\"token punctuation\">,<\/span> original<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521b\u5efa\u4e00\u4e2a\u65b0\u5207\u7247&#xff0c;\u957f\u5ea6\u548c\u5bb9\u91cf\u4e0eoriginal\u76f8\u540c<\/span><br \/>\n    duplicate <span class=\"token operator\">:&#061;<\/span> <span class=\"token function\">make<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>original<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>original<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token function\">copy<\/span><span class=\"token punctuation\">(<\/span>duplicate<span class=\"token punctuation\">,<\/span> original<span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u590d\u5236\u5143\u7d20<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;duplicate: %v, Ptr: %p\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> duplicate<span class=\"token punctuation\">,<\/span> duplicate<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4fee\u6539duplicate&#xff0c;\u4e0d\u4f1a\u5f71\u54cdoriginal (\u56e0\u4e3a\u5b83\u4eec\u6307\u5411\u4e0d\u540c\u7684\u5e95\u5c42\u6570\u7ec4)<\/span><br \/>\n    duplicate<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;orange&#034;<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;original (\u4fee\u6539\u540e): %v\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> original<span class=\"token punctuation\">)<\/span>   <span class=\"token comment\">\/\/ \u8f93\u51fa: [apple banana cherry]<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;duplicate (\u4fee\u6539\u540e): %v\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> duplicate<span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u8f93\u51fa: [orange banana cherry]<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>copy \u51fd\u6570\u5728\u9700\u8981\u786e\u4fdd\u6570\u636e\u72ec\u7acb\u6027\u65f6\u975e\u5e38\u6709\u7528&#xff0c;\u4f8b\u5982\u5f53\u4f60\u60f3\u5c06\u4e00\u4e2a\u5207\u7247\u7684\u6570\u636e\u4f20\u9012\u7ed9\u53e6\u4e00\u4e2a\u51fd\u6570&#xff0c;\u4f46\u4e0d\u5e0c\u671b\u8be5\u51fd\u6570\u4fee\u6539\u539f\u59cb\u6570\u636e\u65f6\u3002<\/p>\n<h4>4. \u6570\u7ec4\u4e0e\u5207\u7247\u7684\u5173\u7cfb&#xff1a;\u6df1\u5ea6\u5171\u4eab\u4e0e\u72ec\u7acb<\/h4>\n<p>\u6211\u4eec\u5df2\u7ecf\u591a\u6b21\u63d0\u53ca\u5207\u7247\u662f\u5e95\u5c42\u6570\u7ec4\u7684\u201c\u89c6\u56fe\u201d\u3002\u8fd9\u4e00\u5173\u7cfb\u662f\u7406\u89e3\u5207\u7247\u884c\u4e3a\u7684\u5173\u952e\u3002<\/p>\n<ul>\n<li>\u5207\u7247\u662f\u5bf9\u6570\u7ec4\u7684\u5f15\u7528&#xff1a; \u5207\u7247\u672c\u8eab\u4e0d\u5b58\u50a8\u6570\u636e&#xff0c;\u5b83\u53ea\u662f\u4e00\u4e2a\u63cf\u8ff0\u7b26&#xff0c;\u5305\u542b\u4e86\u6307\u5411\u5e95\u5c42\u6570\u7ec4\u7684\u6307\u9488\u3001\u957f\u5ea6\u548c\u5bb9\u91cf\u3002<\/li>\n<li>\u5171\u4eab\u5e95\u5c42\u6570\u7ec4&#xff1a; \u591a\u4e2a\u5207\u7247\u53ef\u4ee5\u5f15\u7528\u540c\u4e00\u4e2a\u5e95\u5c42\u6570\u7ec4&#xff0c;\u751a\u81f3\u662f\u540c\u4e00\u4e2a\u5e95\u5c42\u6570\u7ec4\u7684\u4e0d\u540c\u90e8\u5206\u3002<\/li>\n<li>\u4fee\u6539\u5f71\u54cd&#xff1a; \u5982\u679c\u591a\u4e2a\u5207\u7247\u5171\u4eab\u540c\u4e00\u5e95\u5c42\u6570\u7ec4&#xff0c;\u901a\u8fc7\u5176\u4e2d\u4e00\u4e2a\u5207\u7247\u4fee\u6539\u4e86\u5143\u7d20&#xff0c;\u90a3\u4e48\u5176\u4ed6\u5171\u4eab\u8be5\u5e95\u5c42\u6570\u7ec4\u7684\u5207\u7247\u4e5f\u4f1a\u770b\u5230\u8fd9\u4e9b\u4fee\u6539\u3002<\/li>\n<\/ul>\n<p>\u793a\u4f8b&#xff1a;\u5171\u4eab\u5e95\u5c42\u6570\u7ec4\u7684\u5f71\u54cd<\/p>\n<p><span class=\"token keyword\">package<\/span> main<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token string\">&#034;fmt&#034;<\/span><\/p>\n<p><span class=\"token keyword\">func<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5b9a\u4e49\u4e00\u4e2a\u6570\u7ec4<\/span><br \/>\n    underlyingArray <span class=\"token operator\">:&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">int<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">30<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">40<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">50<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">60<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u539f\u59cb\u6570\u7ec4: %v\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> underlyingArray<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521b\u5efa\u4e24\u4e2a\u5207\u7247&#xff0c;\u5b83\u4eec\u90fd\u5f15\u7528 underlyingArray<\/span><br \/>\n    sliceA <span class=\"token operator\">:&#061;<\/span> underlyingArray<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">:<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token comment\">\/\/ [20 30 40], len&#061;3, cap&#061;5 (\u4ece\u7d22\u5f151\u52305)<\/span><br \/>\n    sliceB <span class=\"token operator\">:&#061;<\/span> underlyingArray<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">:<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token comment\">\/\/ [30 40 50], len&#061;3, cap&#061;4 (\u4ece\u7d22\u5f152\u52305)<\/span><\/p>\n<p>    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;sliceA: %v, len: %d, cap: %d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> sliceA<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>sliceA<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>sliceA<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;sliceB: %v, len: %d, cap: %d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> sliceB<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>sliceB<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>sliceB<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u901a\u8fc7 sliceA \u4fee\u6539\u5143\u7d20<\/span><br \/>\n    sliceA<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">200<\/span> <span class=\"token comment\">\/\/ \u8fd9\u5b9e\u9645\u4e0a\u4fee\u6539\u4e86 underlyingArray[1]<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u901a\u8fc7 sliceA \u4fee\u6539\u540e&#xff1a;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;sliceA: %v\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> sliceA<span class=\"token punctuation\">)<\/span>               <span class=\"token comment\">\/\/ \u8f93\u51fa: [200 30 40]<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;sliceB: %v\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> sliceB<span class=\"token punctuation\">)<\/span>               <span class=\"token comment\">\/\/ \u8f93\u51fa: [30 40 50] (\u6ce8\u610fsliceA\u7684\u4fee\u6539\u6ca1\u76f4\u63a5\u5f71\u54cdsliceB)<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u539f\u59cb\u6570\u7ec4: %v\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> underlyingArray<span class=\"token punctuation\">)<\/span>     <span class=\"token comment\">\/\/ \u8f93\u51fa: [10 200 30 40 50 60]<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u901a\u8fc7 sliceB \u4fee\u6539\u5143\u7d20<\/span><br \/>\n    sliceB<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">300<\/span> <span class=\"token comment\">\/\/ \u8fd9\u5b9e\u9645\u4e0a\u4fee\u6539\u4e86 underlyingArray[2]<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u901a\u8fc7 sliceB \u4fee\u6539\u540e&#xff1a;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;sliceA: %v\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> sliceA<span class=\"token punctuation\">)<\/span>               <span class=\"token comment\">\/\/ \u8f93\u51fa: [200 300 40] (sliceA \u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20\u53d7\u5230\u4e86\u5f71\u54cd)<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;sliceB: %v\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> sliceB<span class=\"token punctuation\">)<\/span>               <span class=\"token comment\">\/\/ \u8f93\u51fa: [300 40 50]<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u539f\u59cb\u6570\u7ec4: %v\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> underlyingArray<span class=\"token punctuation\">)<\/span>     <span class=\"token comment\">\/\/ \u8f93\u51fa: [10 200 300 40 50 60]<\/span><\/p>\n<p>    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ append\u64cd\u4f5c\u53ef\u80fd\u5bfc\u81f4\u5e95\u5c42\u6570\u7ec4\u5206\u79bb<\/span><br \/>\n    <span class=\"token comment\">\/\/ sliceA \u5f53\u524d len&#061;3, cap&#061;5\u3002 \u5185\u90e8\u6570\u636e [200 300 40 (\u53ef\u7528) (\u53ef\u7528)]<\/span><br \/>\n    sliceA <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>sliceA<span class=\"token punctuation\">,<\/span> <span class=\"token number\">70<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">80<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u4ecd\u5728\u5e95\u5c42\u6570\u7ec4\u5bb9\u91cf\u5185&#xff0c;\u4e0d\u4f1a\u521b\u5efa\u65b0\u6570\u7ec4<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;sliceA append 1: %v, len: %d, cap: %d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> sliceA<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>sliceA<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>sliceA<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u539f\u59cb\u6570\u7ec4&#xff08;append\u540e&#xff09;: %v\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> underlyingArray<span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ underlyingArray[4]\u548c[5]\u88ab\u4fee\u6539<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u9884\u671f&#xff1a;underlyingArray: [10 200 300 40 70 80]<\/span><\/p>\n<p>    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5982\u679c sliceA \u518d\u6b21 append \u5bfc\u81f4\u6269\u5bb9&#xff0c;\u5b83\u5c06\u6307\u5411\u4e00\u4e2a\u65b0\u7684\u5e95\u5c42\u6570\u7ec4<\/span><br \/>\n    sliceA <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>sliceA<span class=\"token punctuation\">,<\/span> <span class=\"token number\">90<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u6b64\u65f6 sliceA \u7684 len&#061;5, cap&#061;5&#xff0c;\u5c06\u89e6\u53d1\u6269\u5bb9<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;sliceA append 2: %v, len: %d, cap: %d, Ptr: %p\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> sliceA<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>sliceA<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>sliceA<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> sliceA<span class=\"token punctuation\">)<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;sliceB: %v, len: %d, cap: %d, Ptr: %p\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> sliceB<span class=\"token punctuation\">,<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>sliceB<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cap<\/span><span class=\"token punctuation\">(<\/span>sliceB<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> sliceB<span class=\"token punctuation\">)<\/span><br \/>\n    fmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u539f\u59cb\u6570\u7ec4&#xff08;\u518d\u6b21append\u540e&#xff09;: %v\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> underlyingArray<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6b64\u65f6 sliceA \u7684 Ptr \u5df2\u7ecf\u6539\u53d8&#xff0c;\u4e0d\u518d\u6307\u5411\u539f\u6765\u7684 underlyingArray\u3002<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6240\u4ee5\u5bf9 sliceA \u7684\u8fdb\u4e00\u6b65\u4fee\u6539\u5c06\u4e0d\u4f1a\u5f71\u54cd underlyingArray \u6216 sliceB\u3002<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8fd9\u4e2a\u4f8b\u5b50\u6e05\u6670\u5730\u5c55\u793a\u4e86\u5207\u7247\u4f5c\u4e3a\u201c\u89c6\u56fe\u201d\u7684\u7279\u6027&#xff0c;\u4ee5\u53ca append \u64cd\u4f5c\u4f55\u65f6\u4f1a\u4fdd\u6301\u5171\u4eab&#xff0c;\u4f55\u65f6\u4f1a\u56e0\u4e3a\u6269\u5bb9\u800c\u5bfc\u81f4\u5e95\u5c42\u6570\u7ec4\u5206\u79bb\u3002<\/p>\n<h4>\u603b\u7ed3<\/h4>\n<p>\u6570\u7ec4\u548c\u5207\u7247\u662f Go \u8bed\u8a00\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u6570\u636e\u7ed3\u6784\u3002<\/p>\n<ul>\n<li>\u6570\u7ec4\u662f\u5b9a\u957f\u3001\u503c\u7c7b\u578b&#xff0c;\u5176\u957f\u5ea6\u662f\u7c7b\u578b\u7684\u4e00\u90e8\u5206&#xff0c;\u901a\u5e38\u4f5c\u4e3a\u5207\u7247\u7684\u5e95\u5c42\u5b58\u50a8\u3002<\/li>\n<li>\u5207\u7247\u662f\u53d8\u957f\u3001\u5f15\u7528\u7c7b\u578b&#xff08;\u5b9e\u9645\u662f\u5305\u542b\u6307\u9488\u3001\u957f\u5ea6\u548c\u5bb9\u91cf\u7684\u7ed3\u6784\u4f53&#xff09;&#xff0c;\u662f\u5bf9\u5e95\u5c42\u6570\u7ec4\u7684\u4e00\u4e2a\u201c\u89c6\u56fe\u201d&#xff0c;\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u7075\u6d3b\u6027\u548c\u4fbf\u5229\u6027\u3002<\/li>\n<\/ul>\n<p>\u6df1\u5165\u7406\u89e3\u5207\u7247\u7684\u5185\u90e8\u7ed3\u6784&#xff08;\u6307\u9488\u3001\u957f\u5ea6\u3001\u5bb9\u91cf&#xff09;\u662f\u638c\u63e1 Go \u8bed\u8a00\u5185\u5b58\u7ba1\u7406\u7684\u5173\u952e\u3002append \u64cd\u4f5c\u667a\u80fd\u5730\u5904\u7406\u5185\u5b58\u5206\u914d\u548c\u6269\u5bb9&#xff0c;\u901a\u8fc7\u8fd4\u56de\u65b0\u7684\u5207\u7247\u5934\u90e8\u6765\u786e\u4fdd\u6570\u636e\u7684\u8fde\u7eed\u6027\u548c\u52a8\u6001\u589e\u957f\u80fd\u529b\u3002copy \u64cd\u4f5c\u5219\u63d0\u4f9b\u4e86\u7cbe\u786e\u7684\u5143\u7d20\u590d\u5236&#xff0c;\u5728\u9700\u8981\u6570\u636e\u72ec\u7acb\u6027\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb606\u6b21\uff0c\u70b9\u8d5e22\u6b21\uff0c\u6536\u85cf5\u6b21\u3002\u6570\u7ec4\u548c\u5207\u7247\u662f Go \u8bed\u8a00\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u6570\u636e\u7ed3\u6784\u3002\u6570\u7ec4\u662f\u5b9a\u957f\u3001\u503c\u7c7b\u578b\uff0c\u5176\u957f\u5ea6\u662f\u7c7b\u578b\u7684\u4e00\u90e8\u5206\uff0c\u901a\u5e38\u4f5c\u4e3a\u5207\u7247\u7684\u5e95\u5c42\u5b58\u50a8\u3002\u5207\u7247\u662f\u53d8\u957f\u3001\u5f15\u7528\u7c7b\u578b\uff08\u5b9e\u9645\u662f\u5305\u542b\u6307\u9488\u3001\u957f\u5ea6\u548c\u5bb9\u91cf\u7684\u7ed3\u6784\u4f53\uff09\uff0c\u662f\u5bf9\u5e95\u5c42\u6570\u7ec4\u7684\u4e00\u4e2a\u201c\u89c6\u56fe\u201d\uff0c\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u7075\u6d3b\u6027\u548c\u4fbf\u5229\u6027\u3002\u6df1\u5165\u7406\u89e3\u5207\u7247\u7684\u5185\u90e8\u7ed3\u6784\uff08\u6307\u9488\u3001\u957f\u5ea6\u3001\u5bb9\u91cf\uff09\u662f\u638c\u63e1 Go \u8bed\u8a00\u5185\u5b58\u7ba1\u7406\u7684\u5173\u952e\u3002append\u64cd\u4f5c\u667a\u80fd\u5730\u5904\u7406\u5185\u5b58\u5206\u914d\u548c\u6269\u5bb9\uff0c\u901a\u8fc7\u8fd4\u56de\u65b0\u7684\u5207\u7247\u5934\u90e8\u6765\u786e\u4fdd\u6570\u636e\u7684\u8fde\u7eed\u6027\u548c\u52a8\u6001\u589e\u957f\u80fd\u529b\u3002copy\u64cd\u4f5c\u5219\u63d0\u4f9b\u4e86\u7cbe\u786e\u7684\u5143\u7d20\u590d\u5236\uff0c\u5728\u9700\u8981\u6570\u636e\u72ec\u7acb\u6027\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[4554,99,1813,427],"topic":[],"class_list":["post-47508","post","type-post","status-publish","format-standard","hentry","category-server","tag-go","tag-java","tag-1813","tag-427"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u7b2c\u4e8c\u7ae0\uff1a\u6838\u5fc3\u6570\u636e\u7ed3\u6784\u4e0e\u9762\u5411\u5bf9\u8c61\u601d\u60f3\u4e4b\u6570\u7ec4\u4e0e\u5207\u7247 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/47508.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u7b2c\u4e8c\u7ae0\uff1a\u6838\u5fc3\u6570\u636e\u7ed3\u6784\u4e0e\u9762\u5411\u5bf9\u8c61\u601d\u60f3\u4e4b\u6570\u7ec4\u4e0e\u5207\u7247 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb606\u6b21\uff0c\u70b9\u8d5e22\u6b21\uff0c\u6536\u85cf5\u6b21\u3002\u6570\u7ec4\u548c\u5207\u7247\u662f Go \u8bed\u8a00\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u6570\u636e\u7ed3\u6784\u3002\u6570\u7ec4\u662f\u5b9a\u957f\u3001\u503c\u7c7b\u578b\uff0c\u5176\u957f\u5ea6\u662f\u7c7b\u578b\u7684\u4e00\u90e8\u5206\uff0c\u901a\u5e38\u4f5c\u4e3a\u5207\u7247\u7684\u5e95\u5c42\u5b58\u50a8\u3002\u5207\u7247\u662f\u53d8\u957f\u3001\u5f15\u7528\u7c7b\u578b\uff08\u5b9e\u9645\u662f\u5305\u542b\u6307\u9488\u3001\u957f\u5ea6\u548c\u5bb9\u91cf\u7684\u7ed3\u6784\u4f53\uff09\uff0c\u662f\u5bf9\u5e95\u5c42\u6570\u7ec4\u7684\u4e00\u4e2a\u201c\u89c6\u56fe\u201d\uff0c\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u7075\u6d3b\u6027\u548c\u4fbf\u5229\u6027\u3002\u6df1\u5165\u7406\u89e3\u5207\u7247\u7684\u5185\u90e8\u7ed3\u6784\uff08\u6307\u9488\u3001\u957f\u5ea6\u3001\u5bb9\u91cf\uff09\u662f\u638c\u63e1 Go \u8bed\u8a00\u5185\u5b58\u7ba1\u7406\u7684\u5173\u952e\u3002append\u64cd\u4f5c\u667a\u80fd\u5730\u5904\u7406\u5185\u5b58\u5206\u914d\u548c\u6269\u5bb9\uff0c\u901a\u8fc7\u8fd4\u56de\u65b0\u7684\u5207\u7247\u5934\u90e8\u6765\u786e\u4fdd\u6570\u636e\u7684\u8fde\u7eed\u6027\u548c\u52a8\u6001\u589e\u957f\u80fd\u529b\u3002copy\u64cd\u4f5c\u5219\u63d0\u4f9b\u4e86\u7cbe\u786e\u7684\u5143\u7d20\u590d\u5236\uff0c\u5728\u9700\u8981\u6570\u636e\u72ec\u7acb\u6027\u65f6\u975e\u5e38\u6709\u7528\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/47508.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-30T00:11:45+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/47508.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/47508.html\",\"name\":\"\u7b2c\u4e8c\u7ae0\uff1a\u6838\u5fc3\u6570\u636e\u7ed3\u6784\u4e0e\u9762\u5411\u5bf9\u8c61\u601d\u60f3\u4e4b\u6570\u7ec4\u4e0e\u5207\u7247 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2025-07-30T00:11:45+00:00\",\"dateModified\":\"2025-07-30T00:11:45+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/47508.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/47508.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/47508.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u7b2c\u4e8c\u7ae0\uff1a\u6838\u5fc3\u6570\u636e\u7ed3\u6784\u4e0e\u9762\u5411\u5bf9\u8c61\u601d\u60f3\u4e4b\u6570\u7ec4\u4e0e\u5207\u7247\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u7b2c\u4e8c\u7ae0\uff1a\u6838\u5fc3\u6570\u636e\u7ed3\u6784\u4e0e\u9762\u5411\u5bf9\u8c61\u601d\u60f3\u4e4b\u6570\u7ec4\u4e0e\u5207\u7247 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/47508.html","og_locale":"zh_CN","og_type":"article","og_title":"\u7b2c\u4e8c\u7ae0\uff1a\u6838\u5fc3\u6570\u636e\u7ed3\u6784\u4e0e\u9762\u5411\u5bf9\u8c61\u601d\u60f3\u4e4b\u6570\u7ec4\u4e0e\u5207\u7247 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb606\u6b21\uff0c\u70b9\u8d5e22\u6b21\uff0c\u6536\u85cf5\u6b21\u3002\u6570\u7ec4\u548c\u5207\u7247\u662f Go \u8bed\u8a00\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u6570\u636e\u7ed3\u6784\u3002\u6570\u7ec4\u662f\u5b9a\u957f\u3001\u503c\u7c7b\u578b\uff0c\u5176\u957f\u5ea6\u662f\u7c7b\u578b\u7684\u4e00\u90e8\u5206\uff0c\u901a\u5e38\u4f5c\u4e3a\u5207\u7247\u7684\u5e95\u5c42\u5b58\u50a8\u3002\u5207\u7247\u662f\u53d8\u957f\u3001\u5f15\u7528\u7c7b\u578b\uff08\u5b9e\u9645\u662f\u5305\u542b\u6307\u9488\u3001\u957f\u5ea6\u548c\u5bb9\u91cf\u7684\u7ed3\u6784\u4f53\uff09\uff0c\u662f\u5bf9\u5e95\u5c42\u6570\u7ec4\u7684\u4e00\u4e2a\u201c\u89c6\u56fe\u201d\uff0c\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u7075\u6d3b\u6027\u548c\u4fbf\u5229\u6027\u3002\u6df1\u5165\u7406\u89e3\u5207\u7247\u7684\u5185\u90e8\u7ed3\u6784\uff08\u6307\u9488\u3001\u957f\u5ea6\u3001\u5bb9\u91cf\uff09\u662f\u638c\u63e1 Go \u8bed\u8a00\u5185\u5b58\u7ba1\u7406\u7684\u5173\u952e\u3002append\u64cd\u4f5c\u667a\u80fd\u5730\u5904\u7406\u5185\u5b58\u5206\u914d\u548c\u6269\u5bb9\uff0c\u901a\u8fc7\u8fd4\u56de\u65b0\u7684\u5207\u7247\u5934\u90e8\u6765\u786e\u4fdd\u6570\u636e\u7684\u8fde\u7eed\u6027\u548c\u52a8\u6001\u589e\u957f\u80fd\u529b\u3002copy\u64cd\u4f5c\u5219\u63d0\u4f9b\u4e86\u7cbe\u786e\u7684\u5143\u7d20\u590d\u5236\uff0c\u5728\u9700\u8981\u6570\u636e\u72ec\u7acb\u6027\u65f6\u975e\u5e38\u6709\u7528\u3002","og_url":"https:\/\/www.wsisp.com\/helps\/47508.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2025-07-30T00:11:45+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"6 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/47508.html","url":"https:\/\/www.wsisp.com\/helps\/47508.html","name":"\u7b2c\u4e8c\u7ae0\uff1a\u6838\u5fc3\u6570\u636e\u7ed3\u6784\u4e0e\u9762\u5411\u5bf9\u8c61\u601d\u60f3\u4e4b\u6570\u7ec4\u4e0e\u5207\u7247 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2025-07-30T00:11:45+00:00","dateModified":"2025-07-30T00:11:45+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/47508.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/47508.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/47508.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"\u7b2c\u4e8c\u7ae0\uff1a\u6838\u5fc3\u6570\u636e\u7ed3\u6784\u4e0e\u9762\u5411\u5bf9\u8c61\u601d\u60f3\u4e4b\u6570\u7ec4\u4e0e\u5207\u7247"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/47508","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=47508"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/47508\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=47508"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=47508"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=47508"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=47508"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}