{"id":206170,"date":"2025-06-12T09:46:20","date_gmt":"2025-06-12T01:46:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206170\/"},"modified":"2025-06-12T09:46:20","modified_gmt":"2025-06-12T01:46:20","slug":"go-%e4%b8%ad-append-%e6%96%b9%e6%b3%95%e6%98%af%e6%b7%b1%e6%8b%b7%e8%b4%9d%e5%90%97%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206170\/","title":{"rendered":"Go \u4e2d append() \u65b9\u6cd5\u662f\u6df1\u62f7\u8d1d\u5417\uff1f"},"content":{"rendered":"

\u54c8\u55bd\uff01\u5927\u5bb6\u597d\uff0c\u5f88\u9ad8\u5174\u53c8\u89c1\u9762\u4e86\uff0c\u6211\u662fGOLANG\u7684\u4e00\u540d\u4f5c\u8005\uff0c\u4eca\u5929\u7531\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7
\n\u300aGo \u4e2d append() \u65b9\u6cd5\u662f\u6df1\u62f7\u8d1d\u5417\uff1f\u300b<\/span>\uff0c\u672c\u6587\u4e3b\u8981\u4f1a\u8bb2\u5230
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5927\u5bb6\u4e00\u8d77\u5b66\u4e60\u8fdb\u6b65\uff0c\u4e5f\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u3001\u70b9\u8d5e\u3001\u6536\u85cf\u3001\u8f6c\u53d1! \u4e0b\u9762\u5c31\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01,
\n,
\nappend() \u65b9\u6cd5\u7684\u6d45\u62f7\u8d1d<\/strong>,\u5728 go \u4e2d\uff0cappend() \u51fd\u6570\u7528\u4e8e\u5728\u5207\u7247\u672b\u5c3e\u8ffd\u52a0\u5143\u7d20\u3002\u4f46\u662f\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cappend() \u5e76\u4e0d\u662f\u5bf9\u5207\u7247\u7684\u6df1\u62f7\u8d1d\uff0c\u800c\u662f\u6d45\u62f7\u8d1d\u3002,
\n\u6d45\u62f7\u8d1d\u4e0e\u6df1\u62f7\u8d1d<\/strong>,
\n\u6848\u4f8b\u89e3\u91ca<\/strong>,\u4ee3\u7801\u5982\u4e0b\uff1a,\u8fd9\u610f\u5473\u7740\uff0c\u4fee\u6539 z \u7684\u5e95\u5c42\u6570\u7ec4\u4e5f\u4f1a\u4fee\u6539 y \u548c x\u3002\u8fd9\u662f\u56e0\u4e3a\u5b83\u4eec\u5171\u4eab\u76f8\u540c\u7684\u5e95\u5c42\u6570\u7ec4\u3002,
\n\u89e3\u51b3\u65b9\u6cd5<\/strong>,\u5982\u679c\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u5207\u7247\u7684\u6df1\u62f7\u8d1d\uff0c\u53ef\u4ee5\u4f7f\u7528 copy() \u51fd\u6570\uff1a,\u8fd9\u6837\uff0cy \u5c31\u6210\u4e3a x \u7684\u4e00\u4e2a\u6df1\u62f7\u8d1d\uff0c\u5b83\u4eec\u4e0d\u4f1a\u5171\u4eab\u76f8\u540c\u7684\u5e95\u5c42\u6570\u7ec4\uff0c\u4fee\u6539 z \u4e0d\u4f1a\u5f71\u54cd y\u3002,\u4eca\u5929\u5173\u4e8e\u300aGo \u4e2d append() \u65b9\u6cd5\u662f\u6df1\u62f7\u8d1d\u5417\uff1f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728GOLANG\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01,\u5f53\u8c03\u7528 z := append(x, 5) \u65f6\uff0cappend() \u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5207\u7247 z\uff0c\u5e76\u4f7f\u7528\u4e0e x \u76f8\u540c\u7684\u5e95\u5c42\u6570\u7ec4\u3002,\u5f53\u8c03\u7528 y := append(x, 4) \u65f6\uff0cappend() \u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5207\u7247 y\uff0c\u4f46\u5b83\u4ecd\u4f7f\u7528\u4e0e x \u76f8\u540c\u7684\u5e95\u5c42\u6570\u7ec4\u3002\u56e0\u6b64\uff0cy \u548c x \u6240\u6307\u5411\u7684\u5e95\u5c42\u6570\u7ec4\u662f\u76f8\u540c\u7684\u3002,\u5f53\u8c03\u7528 x = append(x, 1, 2, 3) \u65f6\uff0cx \u7684\u5e95\u5c42\u6570\u7ec4\u4f1a\u88ab\u4fee\u6539\uff0c\u957f\u5ea6\u4e3a 3\u3002,
\n\u6df1\u62f7\u8d1d\uff1a<\/strong>\u590d\u5236\u5207\u7247\u53ca\u5176\u6240\u6709\u5e95\u5c42\u6570\u636e\u7ed3\u6784\u3002,
\n\u6d45\u62f7\u8d1d\uff1a<\/strong>\u4ec5\u590d\u5236\u5207\u7247\u672c\u8eab\uff0c\u800c\u4e0d\u590d\u5236\u5e95\u5c42\u6570\u636e\u7ed3\u6784\u3002,append() \u65b9\u6cd5\u7684\u6d45\u62f7\u8d1d,\u54c8\u55bd\uff01\u5927\u5bb6\u597d\uff0c\u5f88\u9ad8\u5174\u53c8\u89c1\u9762\u4e86\uff0c\u6211\u662fGOLANG\u7684\u4e00\u540d\u4f5c\u8005\uff0c\u4eca\u5929\u7531\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7
\n\u300aGo \u4e2d append() \u65b9\u6cd5\u662f\u6df1\u62f7\u8d1d\u5417\uff1f\u300b<\/span>\uff0c\u672c\u6587\u4e3b\u8981\u4f1a\u8bb2\u5230
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5927\u5bb6\u4e00\u8d77\u5b66\u4e60\u8fdb\u6b65\uff0c\u4e5f\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u3001\u70b9\u8d5e\u3001\u6536\u85cf\u3001\u8f6c\u53d1! \u4e0b\u9762\u5c31\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> Go \u4e2d append() \u65b9\u6cd5\u662f\u6df1\u62f7\u8d1d\u5417\uff1f<\/span><\/p>\n

Go \u4e2d append() \u65b9\u6cd5\u662f\u6df1\u62f7\u8d1d\u5417\uff1f<\/h1>\n

2024-11-05 14:01:21<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u54c8\u55bd\uff01\u5927\u5bb6\u597d\uff0c\u5f88\u9ad8\u5174\u53c8\u89c1\u9762\u4e86\uff0c\u6211\u662fGOLANG\u7684\u4e00\u540d\u4f5c\u8005\uff0c\u4eca\u5929\u7531\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\u300aGo \u4e2d append() \u65b9\u6cd5\u662f\u6df1\u62f7\u8d1d\u5417\uff1f\u300b<\/span>\uff0c\u672c\u6587\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5927\u5bb6\u4e00\u8d77\u5b66\u4e60\u8fdb\u6b65\uff0c\u4e5f\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u3001\u70b9\u8d5e\u3001\u6536\u85cf\u3001\u8f6c\u53d1! \u4e0b\u9762\u5c31\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n

<\/p>\n

append() \u65b9\u6cd5\u7684\u6d45\u62f7\u8d1d<\/strong><\/p>\n

\u5728 go \u4e2d\uff0cappend() \u51fd\u6570\u7528\u4e8e\u5728\u5207\u7247\u672b\u5c3e\u8ffd\u52a0\u5143\u7d20\u3002\u4f46\u662f\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cappend() \u5e76\u4e0d\u662f\u5bf9\u5207\u7247\u7684\u6df1\u62f7\u8d1d\uff0c\u800c\u662f\u6d45\u62f7\u8d1d\u3002<\/p>\n

\u6d45\u62f7\u8d1d\u4e0e\u6df1\u62f7\u8d1d<\/strong><\/p>\n

    \n
  • \u6d45\u62f7\u8d1d\uff1a<\/strong>\u4ec5\u590d\u5236\u5207\u7247\u672c\u8eab\uff0c\u800c\u4e0d\u590d\u5236\u5e95\u5c42\u6570\u636e\u7ed3\u6784\u3002<\/li>\n
  • \u6df1\u62f7\u8d1d\uff1a<\/strong>\u590d\u5236\u5207\u7247\u53ca\u5176\u6240\u6709\u5e95\u5c42\u6570\u636e\u7ed3\u6784\u3002<\/li>\n<\/ul>\n

    \u6848\u4f8b\u89e3\u91ca<\/strong><\/p>\n

    \u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

    package main\n\nimport \"fmt\"\n\nfunc main() {\n    x := make([]int, 0, 10)\n    x = append(x, 1, 2, 3)\n    y := append(x, 4)\n    z := append(x, 5)\n    fmt.println(x)\n    fmt.println(y)\n    fmt.println(z)\n}<\/pre>\n
      \n
    • \u5f53\u8c03\u7528 x = append(x, 1, 2, 3) \u65f6\uff0cx \u7684\u5e95\u5c42\u6570\u7ec4\u4f1a\u88ab\u4fee\u6539\uff0c\u957f\u5ea6\u4e3a 3\u3002<\/li>\n
    • \u5f53\u8c03\u7528 y := append(x, 4) \u65f6\uff0cappend() \u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5207\u7247 y\uff0c\u4f46\u5b83\u4ecd\u4f7f\u7528\u4e0e x \u76f8\u540c\u7684\u5e95\u5c42\u6570\u7ec4\u3002\u56e0\u6b64\uff0cy \u548c x \u6240\u6307\u5411\u7684\u5e95\u5c42\u6570\u7ec4\u662f\u76f8\u540c\u7684\u3002<\/li>\n
    • \u5f53\u8c03\u7528 z := append(x, 5) \u65f6\uff0cappend() \u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5207\u7247 z\uff0c\u5e76\u4f7f\u7528\u4e0e x \u76f8\u540c\u7684\u5e95\u5c42\u6570\u7ec4\u3002<\/li>\n<\/ul>\n
      \u8fd9\u610f\u5473\u7740\uff0c\u4fee\u6539 z \u7684\u5e95\u5c42\u6570\u7ec4\u4e5f\u4f1a\u4fee\u6539 y \u548c x\u3002\u8fd9\u662f\u56e0\u4e3a\u5b83\u4eec\u5171\u4eab\u76f8\u540c\u7684\u5e95\u5c42\u6570\u7ec4\u3002<\/p>\n
      \u89e3\u51b3\u65b9\u6cd5<\/strong><\/p>\n
      \u5982\u679c\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u5207\u7247\u7684\u6df1\u62f7\u8d1d\uff0c\u53ef\u4ee5\u4f7f\u7528 copy() \u51fd\u6570\uff1a<\/p>\n
      func main() {\n    x := make([]int, 0, 10)\n    x = append(x, 1, 2, 3)\n    y := make([]int, len(x))\n    copy(y, x)\n    z := append(x, 5)\n    fmt.Println(x)\n    fmt.Println(y)\n    fmt.Println(z)\n}<\/pre>\n
      \u8fd9\u6837\uff0cy \u5c31\u6210\u4e3a x \u7684\u4e00\u4e2a\u6df1\u62f7\u8d1d\uff0c\u5b83\u4eec\u4e0d\u4f1a\u5171\u4eab\u76f8\u540c\u7684\u5e95\u5c42\u6570\u7ec4\uff0c\u4fee\u6539 z \u4e0d\u4f1a\u5f71\u54cd y\u3002<\/p>\n
      \u4eca\u5929\u5173\u4e8e\u300aGo \u4e2d append() \u65b9\u6cd5\u662f\u6df1\u62f7\u8d1d\u5417\uff1f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728GOLANG\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n
      \n
      \n <\/dt>\n
      \n   \u3010\u8fdb\u5c55\u3011\u5317\u7406\u5de5\u5728\u7845\u57fa\u77f3\u58a8\u70ef\u6e7f\u5ea6\u4f20\u611f\u5668\u7684\u7814\u7a76\u4e2d\u53d6\u5f97\u91cd\u8981\u8fdb\u5c55\uff1b\n <\/dd>\n<\/dl>\n
      \n
      \n <\/dt>\n
      \n   JavaScript \u95ed\u5305\u7684\u53cc\u62ec\u53f7()()\uff0c\u7a76\u7adf\u662f\u600e\u6837\u5b9e\u73b0\u7684\u5462\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
      \u54c8\u55bd\uff01\u5927\u5bb6\u597d\uff0c\u5f88\u9ad8\u5174\u53c8\u89c1\u9762\u4e86\uff0c\u6211...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-206170","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206170","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=206170"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206170\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206170"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}