{"id":206384,"date":"2025-06-12T14:46:22","date_gmt":"2025-06-12T06:46:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206384\/"},"modified":"2025-06-12T14:46:22","modified_gmt":"2025-06-12T06:46:22","slug":"golang-append-%e5%87%bd%e6%95%b0%e4%b8%ba%e4%bd%95%e4%bc%9a%e5%bd%b1%e5%93%8d%e5%a4%9a%e4%b8%aa-slice-%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206384\/","title":{"rendered":"Golang append() \u51fd\u6570\u4e3a\u4f55\u4f1a\u5f71\u54cd\u591a\u4e2a slice \uff1f"},"content":{"rendered":"<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u52aa\u529b\u5b66\u4e60\u5427\uff01\u672c\u6587<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGOLANG append() \u51fd\u6570\u4e3a\u4f55\u4f1a\u5f71\u54cd\u591a\u4e2a slice \uff1f\u300b<\/span>\u4e3b\u8981\u8bb2\u89e3\u4e86<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6211\u4f1a\u5728GOLANG\u4e2d\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u7684\u7cfb\u5217\u6587\u7ae0\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u5e76\u79ef\u6781\u7559\u8a00\u5efa\u8bae\u3002\u4e0b\u9762\u5c31\u5148\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u672c\u7bc7\u6b63\u6587\u5185\u5bb9\u5427\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241110\/17312508386730ca9652348.jpg\" class=\"aligncenter\">,<br \/>\n<strong>golang append() \u65b9\u6cd5\u7684\u5185\u90e8\u673a\u5236<\/strong>,\u5728 golang \u4e2d\uff0cappend() \u51fd\u6570\u8d1f\u8d23\u5411 slice \u8ffd\u52a0\u5143\u7d20\u3002\u4ee4\u4eba\u7591\u60d1\u7684\u662f\uff0cappend() \u64cd\u4f5c\u5bf9 slice \u7684\u5f71\u54cd\u4f3c\u4e4e\u8d85\u51fa\u4e86\u9884\u671f\u3002\u8ba9\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u793a\u4f8b\u6765\u7406\u89e3\u95ee\u9898\uff1a,<br \/>\n<strong>\u95ee\u9898\uff1a<\/strong>,\u4e3a\u4ec0\u4e48 y \u7684\u8f93\u51fa\u4e5f\u4e3a [1 2 3 5]\uff1fappend() \u4e0d\u662f\u62f7\u8d1d x \u7684\u503c\u5417\uff0c\u90a3\u4e3a\u4ec0\u4e48 z \u628a y \u4e5f\u8986\u76d6\u4e86\uff1f,<br \/>\n<strong>\u89e3\u7b54\uff1a<\/strong>,\u8981\u7406\u89e3 append() \u7684\u884c\u4e3a\uff0c\u5173\u952e\u5728\u4e8e\u7406\u89e3 slice \u7684\u672c\u8d28\u3002\u5728 go \u4e2d\uff0cslice \u662f\u4e00\u4e2a\u503c\uff0c\u5305\u542b\u4e00\u4e2a\u6307\u5411\u5e95\u5c42\u6570\u7ec4\u7684\u6307\u9488\u548c\u4e00\u4e2a\u957f\u5ea6\u3002\u56e0\u6b64\uff0cslice \u672c\u8eab\u5e76\u4e0d\u662f\u4e00\u4e2a\u5f15\u7528\uff0c\u800c\u662f\u5b58\u50a8\u6307\u9488\u548c\u957f\u5ea6\u7684\u7ed3\u6784\u503c\u3002,\u5f53\u6211\u4eec\u8c03\u7528 append() \u65f6\uff0c\u4ee5\u4e0b\u64cd\u4f5c\u4f1a\u53d1\u751f\uff1a,\u56e0\u6b64\uff0c\u5f53\u6211\u4eec\u6267\u884c append(x, 4) \u65f6\uff0c\u5e95\u5c42\u6570\u7ec4\u88ab\u4fee\u6539\uff0cy \u7684\u957f\u5ea6\u589e\u52a0\u4e86\u3002\u7531\u4e8e x \u548c y \u5171\u4eab\u5e95\u5c42\u6570\u7ec4\uff0c\u5bf9 x \u7684\u8fdb\u4e00\u6b65 append() \u4fee\u6539\u4e5f\u4f1a\u5f71\u54cd y \u7684\u5185\u5bb9\u3002,\u540c\u7406\uff0cz \u7684 append() \u64cd\u4f5c\u4f1a\u4fee\u6539\u5e95\u5c42\u6570\u7ec4\u7684\u7b2c 4 \u4e2a\u5143\u7d20\uff0c\u7531\u4e8e x \u548c z \u4e5f\u5171\u4eab\u5e95\u5c42\u6570\u7ec4\uff0c\u5c3d\u7ba1 x \u7684\u957f\u5ea6\u4ecd\u7136\u4e3a 3\uff0c\u4f46\u5b83\u7684\u5185\u5bb9\u4e5f\u53d1\u751f\u4e86\u53d8\u5316\u3002,<br \/>\n<strong>\u603b\u7ed3\uff1a<\/strong>,append() \u4e0d\u4f1a\u521b\u5efa\u5e95\u5c42\u6570\u7ec4\u7684\u65b0\u526f\u672c\uff0c\u800c\u662f\u76f4\u63a5\u64cd\u4f5c arg \u6307\u5411\u7684\u73b0\u6709\u6570\u7ec4\u3002\u56e0\u6b64\uff0c\u5bf9\u540c\u4e00\u5e95\u5c42\u6570\u7ec4\u7684\u591a\u4e2a append() \u8c03\u7528\u4f1a\u4ea7\u751f\u8054\u52a8\u6548\u5e94\uff0c\u5f71\u54cd\u5230\u6240\u6709\u5f15\u7528\u8be5\u6570\u7ec4\u7684 slice\u3002\u7406\u89e3\u8fd9\u4e00\u673a\u5236\u5bf9\u4e8e\u907f\u514d slice \u610f\u5916\u4fee\u6539\u81f3\u5173\u91cd\u8981\u3002,\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aGOLANG append() \u51fd\u6570\u4e3a\u4f55\u4f1a\u5f71\u54cd\u591a\u4e2a slice \uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u5427\uff01,\u5982\u679c arg \u7684\u5bb9\u91cf\u8db3\u591f\uff0cappend() \u4e0d\u4f1a\u91cd\u65b0\u5206\u914d\u5e95\u5c42\u6570\u7ec4\uff0c\u800c\u662f\u76f4\u63a5\u5728\u73b0\u6709\u6570\u7ec4\u4e0a\u589e\u52a0\u957f\u5ea6\u5e76\u8d4b\u503c\u3002,x \u4f20\u5165 append() \u65f6\uff0c\u4f1a\u7ecf\u5386\u4e00\u6b21\u503c\u590d\u5236\uff0c\u8fd9\u610f\u5473\u7740 arg \u548c x \u5171\u4eab\u76f8\u540c\u7684\u5e95\u5c42\u6570\u7ec4\u3002,\u8f93\u51fa\u65b0\u7684 slice y\uff0c\u5b83\u5f15\u7528\u76f8\u540c\u7684\u5e95\u5c42\u6570\u7ec4\uff0c\u4f46\u957f\u5ea6\u589e\u52a0\u4e86 1\u3002,golang append() \u65b9\u6cd5\u7684\u5185\u90e8\u673a\u5236,\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u52aa\u529b\u5b66\u4e60\u5427\uff01\u672c\u6587<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGOLANG append() \u51fd\u6570\u4e3a\u4f55\u4f1a\u5f71\u54cd\u591a\u4e2a slice \uff1f\u300b<\/span>\u4e3b\u8981\u8bb2\u89e3\u4e86<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6211\u4f1a\u5728GOLANG\u4e2d\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u7684\u7cfb\u5217\u6587\u7ae0\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u5e76\u79ef\u6781\u7559\u8a00\u5efa\u8bae\u3002\u4e0b\u9762\u5c31\u5148\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u672c\u7bc7\u6b63\u6587\u5185\u5bb9\u5427\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01,<br \/>\n<b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span> <span>GOLANG append() \u51fd\u6570\u4e3a\u4f55\u4f1a\u5f71\u54cd\u591a\u4e2a slice \uff1f<\/span><\/p>\n<h1>GOLANG append() \u51fd\u6570\u4e3a\u4f55\u4f1a\u5f71\u54cd\u591a\u4e2a slice \uff1f<\/h1>\n<p><span>2024-11-10 23:00:53<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u52aa\u529b\u5b66\u4e60\u5427\uff01\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGOLANG append() \u51fd\u6570\u4e3a\u4f55\u4f1a\u5f71\u54cd\u591a\u4e2a slice \uff1f\u300b<\/span>\u4e3b\u8981\u8bb2\u89e3\u4e86<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6211\u4f1a\u5728GOLANG\u4e2d\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u7684\u7cfb\u5217\u6587\u7ae0\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u5e76\u79ef\u6781\u7559\u8a00\u5efa\u8bae\u3002\u4e0b\u9762\u5c31\u5148\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u672c\u7bc7\u6b63\u6587\u5185\u5bb9\u5427\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241110\/17312508386730ca9652348.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>golang append() \u65b9\u6cd5\u7684\u5185\u90e8\u673a\u5236<\/strong><\/p>\n<p>\u5728 golang \u4e2d\uff0cappend() \u51fd\u6570\u8d1f\u8d23\u5411 slice \u8ffd\u52a0\u5143\u7d20\u3002\u4ee4\u4eba\u7591\u60d1\u7684\u662f\uff0cappend() \u64cd\u4f5c\u5bf9 slice \u7684\u5f71\u54cd\u4f3c\u4e4e\u8d85\u51fa\u4e86\u9884\u671f\u3002\u8ba9\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u793a\u4f8b\u6765\u7406\u89e3\u95ee\u9898\uff1a<\/p>\n<pre>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<p><strong>\u95ee\u9898\uff1a<\/strong><\/p>\n<p>\u4e3a\u4ec0\u4e48 y \u7684\u8f93\u51fa\u4e5f\u4e3a [1 2 3 5]\uff1fappend() \u4e0d\u662f\u62f7\u8d1d x \u7684\u503c\u5417\uff0c\u90a3\u4e3a\u4ec0\u4e48 z \u628a y \u4e5f\u8986\u76d6\u4e86\uff1f<\/p>\n<p><strong>\u89e3\u7b54\uff1a<\/strong><\/p>\n<p>\u8981\u7406\u89e3 append() \u7684\u884c\u4e3a\uff0c\u5173\u952e\u5728\u4e8e\u7406\u89e3 slice \u7684\u672c\u8d28\u3002\u5728 go \u4e2d\uff0cslice \u662f\u4e00\u4e2a\u503c\uff0c\u5305\u542b\u4e00\u4e2a\u6307\u5411\u5e95\u5c42\u6570\u7ec4\u7684\u6307\u9488\u548c\u4e00\u4e2a\u957f\u5ea6\u3002\u56e0\u6b64\uff0cslice \u672c\u8eab\u5e76\u4e0d\u662f\u4e00\u4e2a\u5f15\u7528\uff0c\u800c\u662f\u5b58\u50a8\u6307\u9488\u548c\u957f\u5ea6\u7684\u7ed3\u6784\u503c\u3002<\/p>\n<p>\u5f53\u6211\u4eec\u8c03\u7528 append() \u65f6\uff0c\u4ee5\u4e0b\u64cd\u4f5c\u4f1a\u53d1\u751f\uff1a<\/p>\n<ul>\n<li>x \u4f20\u5165 append() \u65f6\uff0c\u4f1a\u7ecf\u5386\u4e00\u6b21\u503c\u590d\u5236\uff0c\u8fd9\u610f\u5473\u7740 arg \u548c x \u5171\u4eab\u76f8\u540c\u7684\u5e95\u5c42\u6570\u7ec4\u3002<\/li>\n<li>\u5982\u679c arg \u7684\u5bb9\u91cf\u8db3\u591f\uff0cappend() \u4e0d\u4f1a\u91cd\u65b0\u5206\u914d\u5e95\u5c42\u6570\u7ec4\uff0c\u800c\u662f\u76f4\u63a5\u5728\u73b0\u6709\u6570\u7ec4\u4e0a\u589e\u52a0\u957f\u5ea6\u5e76\u8d4b\u503c\u3002<\/li>\n<li>\u8f93\u51fa\u65b0\u7684 slice y\uff0c\u5b83\u5f15\u7528\u76f8\u540c\u7684\u5e95\u5c42\u6570\u7ec4\uff0c\u4f46\u957f\u5ea6\u589e\u52a0\u4e86 1\u3002<\/li>\n<\/ul>\n<p>\u56e0\u6b64\uff0c\u5f53\u6211\u4eec\u6267\u884c append(x, 4) \u65f6\uff0c\u5e95\u5c42\u6570\u7ec4\u88ab\u4fee\u6539\uff0cy \u7684\u957f\u5ea6\u589e\u52a0\u4e86\u3002\u7531\u4e8e x \u548c y \u5171\u4eab\u5e95\u5c42\u6570\u7ec4\uff0c\u5bf9 x \u7684\u8fdb\u4e00\u6b65 append() \u4fee\u6539\u4e5f\u4f1a\u5f71\u54cd y \u7684\u5185\u5bb9\u3002<\/p>\n<p>\u540c\u7406\uff0cz \u7684 append() \u64cd\u4f5c\u4f1a\u4fee\u6539\u5e95\u5c42\u6570\u7ec4\u7684\u7b2c 4 \u4e2a\u5143\u7d20\uff0c\u7531\u4e8e x \u548c z \u4e5f\u5171\u4eab\u5e95\u5c42\u6570\u7ec4\uff0c\u5c3d\u7ba1 x \u7684\u957f\u5ea6\u4ecd\u7136\u4e3a 3\uff0c\u4f46\u5b83\u7684\u5185\u5bb9\u4e5f\u53d1\u751f\u4e86\u53d8\u5316\u3002<\/p>\n<p><strong>\u603b\u7ed3\uff1a<\/strong><\/p>\n<p>append() \u4e0d\u4f1a\u521b\u5efa\u5e95\u5c42\u6570\u7ec4\u7684\u65b0\u526f\u672c\uff0c\u800c\u662f\u76f4\u63a5\u64cd\u4f5c arg \u6307\u5411\u7684\u73b0\u6709\u6570\u7ec4\u3002\u56e0\u6b64\uff0c\u5bf9\u540c\u4e00\u5e95\u5c42\u6570\u7ec4\u7684\u591a\u4e2a append() \u8c03\u7528\u4f1a\u4ea7\u751f\u8054\u52a8\u6548\u5e94\uff0c\u5f71\u54cd\u5230\u6240\u6709\u5f15\u7528\u8be5\u6570\u7ec4\u7684 slice\u3002\u7406\u89e3\u8fd9\u4e00\u673a\u5236\u5bf9\u4e8e\u907f\u514d slice \u610f\u5916\u4fee\u6539\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p>\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aGOLANG append() \u51fd\u6570\u4e3a\u4f55\u4f1a\u5f71\u54cd\u591a\u4e2a slice \uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u5427\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5b66\u4e60 Java \u56db\u5e74\u5374\u65e0\u6cd5\u7406\u89e3\u5b9e\u9645\u5e94\u7528\uff1f\u662f\u6846\u67b6\u4f7f\u7528\u8fc7\u591a\u8fd8\u662f\u539f\u7406\u638c\u63e1\u4e0d\u8db3\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u7535\u8111\u6545\u969c\u6392\u9664\u6307\u5357\uff1a\u89e3\u51b3\u5e38\u89c1\u95ee\u9898\u7684\u5b8c\u6574\u5408\u96c6\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u52aa\u529b\u5b66\u4e60\u5427\uff01\u672c\u6587 \u300a&#46;&#46;&#46;<\/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-206384","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206384","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=206384"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206384\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206384"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206384"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206384"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}