{"id":205448,"date":"2025-05-29T17:09:32","date_gmt":"2025-05-29T09:09:32","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205448\/"},"modified":"2025-05-29T17:09:32","modified_gmt":"2025-05-29T09:09:32","slug":"go-%e8%af%ad%e8%a8%80%e4%b8%ad%e6%95%b0%e7%bb%84%e5%87%bd%e6%95%b0%e7%9a%84%e6%99%9a%e7%bb%91%e5%ae%9a%ef%bc%9a%e4%b8%ba%e4%bb%80%e4%b9%88%e6%89%80%e6%9c%89%e5%87%bd%e6%95%b0%e9%83%bd%e8%bf%94","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205448\/","title":{"rendered":"Go \u8bed\u8a00\u4e2d\u6570\u7ec4\u51fd\u6570\u7684\u665a\u7ed1\u5b9a\uff1a\u4e3a\u4ec0\u4e48\u6240\u6709\u51fd\u6570\u90fd\u8fd4\u56de 5\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Go \u8bed\u8a00\u4e2d\u6570\u7ec4\u51fd\u6570\u7684\u665a\u7ed1\u5b9a\uff1a\u4e3a\u4ec0\u4e48\u6240\u6709\u51fd\u6570\u90fd\u8fd4\u56de 5\uff1f<\/h1>\n<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u52aa\u529b\u5b66\u4e60\u5427\uff01\u672c\u6587\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\u5728\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\/20241202\/1733119789674d4f2d4398c.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>go \u8bed\u8a00\u4e2d\u7684\u665a\u7ed1\u5b9a<\/strong><\/p>\n<p>\u5728\u7f16\u7a0b\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u5904\u7406\u6570\u7ec4\u4e2d\u7684\u51fd\u6570\u3002\u5728 go \u4e2d\uff0c\u5bf9\u6570\u7ec4\u4e2d\u7684\u51fd\u6570\u8fdb\u884c\u665a\u7ed1\u5b9a\u4f1a\u5e26\u6765\u4e00\u4e9b\u6709\u8da3\u7684\u60c5\u51b5\u3002<\/p>\n<pre>import \"fmt\"\n\ntype intorfunctype int\n\nfunc main() {\n    var fns [5]intorfunctype\n\n    for i := 0; i &lt; 5; i++ {\n        fns[i] = intorfunctype(func() int {\n            return i\n        })\n    }\n\n    for n := 0; n &lt; 5; n++ {\n        fmt.printf(\"fns[%d]: %d\\n\", n, fns[n]())\n    }\n}<\/pre>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u51fd\u6570\u7684\u6570\u7ec4\u3002\u4ee4\u4eba\u60ca\u8bb6\u7684\u662f\uff0c\u8f93\u51fa\u7684\u662f\uff1a<\/p>\n<pre>fns[0]: 5\nfns[1]: 5\nfns[2]: 5\nfns[3]: 5\nfns[4]: 5<\/pre>\n<p>\u867d\u7136\u6211\u4eec\u5e0c\u671b\u8f93\u51fa\u7684\u662f 0 \u5230 4\uff0c\u4f46\u4e3a\u4ec0\u4e48\u6240\u6709\u51fd\u6570\u90fd\u8fd4\u56de 5\uff1f<\/p>\n<p>\u8fd9\u6b63\u662f go \u8bed\u8a00\u4e2d\u665a\u7ed1\u5b9a\u7684\u7ed3\u679c\u3002\u5728 go \u4e2d\uff0c\u4ee3\u7801\u5728\u7f16\u8bd1\u65f6\u4e0d\u4f1a\u6267\u884c\u51fd\u6570\uff0c\u800c\u662f\u5728\u8fd0\u884c\u65f6\u6267\u884c\u3002\u8fd9\u5141\u8bb8 go \u8bed\u8a00\u901a\u8fc7\u51fd\u6570\u6307\u9488\u548c\u95ed\u5305\u7b49\u673a\u5236\u5b9e\u73b0\u52a8\u6001\u884c\u4e3a\u3002<\/p>\n<p>\u5728\u6211\u4eec\u7684\u793a\u4f8b\u4e2d\uff0c\u5faa\u73af\u53d8\u91cf i \u5728\u79bb\u5f00\u5faa\u73af\u5757\u540e\u4ecd\u53ef\u8bbf\u95ee\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u533f\u540d\u51fd\u6570\u90fd\u5bf9\u5176\u8fdb\u884c\u4e86\u95ed\u5305\u3002\u8fd9\u610f\u5473\u7740\u6240\u6709\u51fd\u6570\u90fd\u5f15\u7528\u540c\u4e00\u4e2a i\uff0c\u5e76\u4e14\u5f53\u5b83\u5728\u5faa\u73af\u7684\u6700\u540e\u4e00\u6b21\u8fed\u4ee3\u4e2d\u88ab\u66f4\u65b0\u4e3a 5 \u65f6\uff0c\u6240\u6709\u51fd\u6570\u90fd\u8fd4\u56de 5\u3002<\/p>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u91c7\u7528\u95ed\u5305\u53d8\u91cf\u7684\u95ed\u533a\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>for i := 0; i &lt; 5; i++ {\n    i := i \/\/ \u521b\u5efa\u4e00\u4e2a\u95ed\u533a\u53d8\u91cf\n    fns[i] = IntOrFuncType(func() int {\n        return i\n    })\n}<\/pre>\n<p>\u73b0\u5728\uff0c\u6bcf\u4e2a\u51fd\u6570\u90fd\u5177\u6709\u81ea\u5df1\u7684 i \u53d8\u91cf\u5e76\u4f1a\u8fd4\u56de\u6b63\u786e\u7684\u503c\u3002<\/p>\n<p>\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aGo \u8bed\u8a00\u4e2d\u6570\u7ec4\u51fd\u6570\u7684\u665a\u7ed1\u5b9a\uff1a\u4e3a\u4ec0\u4e48\u6240\u6709\u51fd\u6570\u90fd\u8fd4\u56de 5\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\u6ce8\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Go \u8bed\u8a00\u4e2d\u6570\u7ec4\u51fd\u6570\u7684\u665a\u7ed1\u5b9a\uff1a\u4e3a&#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-205448","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205448","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=205448"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205448\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205448"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205448"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}