{"id":206058,"date":"2025-06-12T09:12:34","date_gmt":"2025-06-12T01:12:34","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206058\/"},"modified":"2025-06-12T09:12:34","modified_gmt":"2025-06-12T01:12:34","slug":"go-%e5%8c%bf%e5%90%8d%e5%87%bd%e6%95%b0%e4%b8%ad%e7%9a%84%e9%97%ad%e5%8c%85%e8%a1%8c%e4%b8%ba%ef%bc%9a%e4%b8%ba%e4%bb%80%e4%b9%88-i-%e5%8f%98%e9%87%8f%e5%a7%8b%e7%bb%88%e6%98%af-4%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206058\/","title":{"rendered":"Go \u533f\u540d\u51fd\u6570\u4e2d\u7684\u95ed\u5305\u884c\u4e3a\uff1a\u4e3a\u4ec0\u4e48 i \u53d8\u91cf\u59cb\u7ec8\u662f 4\uff1f"},"content":{"rendered":"<p>\u4eca\u5929GOLANG\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u533f\u540d\u51fd\u6570\u4e2d\u7684\u95ed\u5305\u884c\u4e3a\uff1a\u4e3a\u4ec0\u4e48 i \u53d8\u91cf\u59cb\u7ec8\u662f 4\uff1f\u300b<\/span>\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241102\/17305202146725a496c154c.jpg\" class=\"aligncenter\">,<br \/>\n<strong>\u7406\u89e3 go \u4e2d\u533f\u540d\u51fd\u6570\u7684\u95ed\u5305\u884c\u4e3a<\/strong>,\u5728 go \u4e2d\uff0c\u533f\u540d\u51fd\u6570\u62e5\u6709\u95ed\u5305\u884c\u4e3a\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u53ef\u4ee5\u8bbf\u95ee\u5b9a\u4e49\u5b83\u4eec\u7684\u51fd\u6570\u4f5c\u7528\u57df\u5185\u7684\u53d8\u91cf\u3002,<br \/>\n<strong>\u793a\u4f8b<\/strong>,<br \/>\n<strong>\u95ee\u9898\uff1a\u4e3a\u4ec0\u4e48\u533f\u540d\u51fd\u6570\u4e2d\u7684 i \u53d8\u91cf\u662f 4\uff1f<\/strong>,\u5f53\u533f\u540d\u51fd\u6570\u88ab\u8c03\u7528\u65f6\uff0c\u5b83\u80fd\u8bbf\u95ee\u5b9a\u4e49\u5b83\u7684\u51fd\u6570\u4f5c\u7528\u57df\u4e2d\u7684\u53d8\u91cf\u3002\u5728\u7ed9\u5b9a\u7684\u793a\u4f8b\u4e2d\uff0c\u5f53\u533f\u540d\u51fd\u6570\u88ab\u8c03\u7528\u65f6\uff0ci \u5df2\u7ecf\u9012\u589e\u5230 4\u3002,<br \/>\n<strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong>,\u5982\u679c\u4f60\u60f3\u8981\u533f\u540d\u51fd\u6570\u8bbf\u95ee\u5b9a\u4e49\u5b83\u65f6\u7684 i \u503c\uff0c\u5219\u9700\u8981\u663e\u5f0f\u5730\u4fdd\u7559\u8be5\u503c\uff0c\u800c\u4e0d\u662f\u4f7f\u7528\u5f15\u7528\u5b83\u7684\u53d8\u91cf i\u3002,\u4eca\u5929\u5173\u4e8e\u300aGo \u533f\u540d\u51fd\u6570\u4e2d\u7684\u95ed\u5305\u884c\u4e3a\uff1a\u4e3a\u4ec0\u4e48 i \u53d8\u91cf\u59cb\u7ec8\u662f 4\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff01,\u7406\u89e3 go \u4e2d\u533f\u540d\u51fd\u6570\u7684\u95ed\u5305\u884c\u4e3a,\u4eca\u5929GOLANG\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u533f\u540d\u51fd\u6570\u4e2d\u7684\u95ed\u5305\u884c\u4e3a\uff1a\u4e3a\u4ec0\u4e48 i \u53d8\u91cf\u59cb\u7ec8\u662f 4\uff1f\u300b<\/span>\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~,<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>Go \u533f\u540d\u51fd\u6570\u4e2d\u7684\u95ed\u5305\u884c\u4e3a\uff1a\u4e3a\u4ec0\u4e48 i \u53d8\u91cf\u59cb\u7ec8\u662f 4\uff1f<\/span><\/p>\n<h1>Go \u533f\u540d\u51fd\u6570\u4e2d\u7684\u95ed\u5305\u884c\u4e3a\uff1a\u4e3a\u4ec0\u4e48 i \u53d8\u91cf\u59cb\u7ec8\u662f 4\uff1f<\/h1>\n<p><span>2024-11-02 12:03:50<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u4eca\u5929GOLANG\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u533f\u540d\u51fd\u6570\u4e2d\u7684\u95ed\u5305\u884c\u4e3a\uff1a\u4e3a\u4ec0\u4e48 i \u53d8\u91cf\u59cb\u7ec8\u662f 4\uff1f\u300b<\/span>\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241102\/17305202146725a496c154c.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u7406\u89e3 go \u4e2d\u533f\u540d\u51fd\u6570\u7684\u95ed\u5305\u884c\u4e3a<\/strong><\/p>\n<p>\u5728 go \u4e2d\uff0c\u533f\u540d\u51fd\u6570\u62e5\u6709\u95ed\u5305\u884c\u4e3a\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u53ef\u4ee5\u8bbf\u95ee\u5b9a\u4e49\u5b83\u4eec\u7684\u51fd\u6570\u4f5c\u7528\u57df\u5185\u7684\u53d8\u91cf\u3002<\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<pre>package main\n\nimport (\n    \"fmt\"\n)\n\nfunc main() {\n    var fs = [4]func(){}\n    var fi = [4]int{}\n\n    for i := 0; i &lt; 4; i++ {\n        fs[i] = func() { fmt.println(\"closure i = \", i); fi[i-1] = i }\n    }\n\n    for _, f := range fs {\n        f()\n    }\n\n    fmt.println(fi)\n}<\/pre>\n<p><strong>\u95ee\u9898\uff1a\u4e3a\u4ec0\u4e48\u533f\u540d\u51fd\u6570\u4e2d\u7684 i \u53d8\u91cf\u662f 4\uff1f<\/strong><\/p>\n<p>\u5f53\u533f\u540d\u51fd\u6570\u88ab\u8c03\u7528\u65f6\uff0c\u5b83\u80fd\u8bbf\u95ee\u5b9a\u4e49\u5b83\u7684\u51fd\u6570\u4f5c\u7528\u57df\u4e2d\u7684\u53d8\u91cf\u3002\u5728\u7ed9\u5b9a\u7684\u793a\u4f8b\u4e2d\uff0c\u5f53\u533f\u540d\u51fd\u6570\u88ab\u8c03\u7528\u65f6\uff0ci \u5df2\u7ecf\u9012\u589e\u5230 4\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n<p>\u5982\u679c\u4f60\u60f3\u8981\u533f\u540d\u51fd\u6570\u8bbf\u95ee\u5b9a\u4e49\u5b83\u65f6\u7684 i \u503c\uff0c\u5219\u9700\u8981\u663e\u5f0f\u5730\u4fdd\u7559\u8be5\u503c\uff0c\u800c\u4e0d\u662f\u4f7f\u7528\u5f15\u7528\u5b83\u7684\u53d8\u91cf i\u3002<\/p>\n<pre>for i := 0; i &lt; 4; i++ {\n    j := i\n    fs[i] = func() { fmt.Println(\"closure i = \", j); fi[i-1] = i }\n}<\/pre>\n<p>\u4eca\u5929\u5173\u4e8e\u300aGo \u533f\u540d\u51fd\u6570\u4e2d\u7684\u95ed\u5305\u884c\u4e3a\uff1a\u4e3a\u4ec0\u4e48 i \u53d8\u91cf\u59cb\u7ec8\u662f 4\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u6b63\u5219\u5339\u914d\u6807\u8bc6\u7b26\uff0c\u5982\u4f55\u5904\u7406\u4f4d\u7f6e\u4e0d\u4e00\u7684\u95ee\u9898\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u6ce8\u518c\u4e8b\u4ef6\u7684\u4e24\u79cd\u65b9\u5f0f\u4e3a\u4f55\u51fa\u73b0\u610f\u5916\u6548\u679c\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u4eca\u5929GOLANG\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86 \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-206058","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206058","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=206058"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206058\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206058"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206058"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206058"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}