{"id":207674,"date":"2025-07-08T09:15:49","date_gmt":"2025-07-08T01:15:49","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207674\/"},"modified":"2025-07-08T09:15:49","modified_gmt":"2025-07-08T01:15:49","slug":"%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87%e5%8f%8d%e5%b0%84%e4%bb%8e%e5%90%8d%e7%a7%b0%e8%8e%b7%e5%8f%96%e7%b1%bb%e5%9e%8b%e8%a1%a8%e7%a4%ba%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207674\/","title":{"rendered":"\u5982\u4f55\u901a\u8fc7\u53cd\u5c04\u4ece\u540d\u79f0\u83b7\u53d6\u7c7b\u578b\u8868\u793a\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>\u5982\u4f55\u901a\u8fc7\u53cd\u5c04\u4ece\u540d\u79f0\u83b7\u53d6\u7c7b\u578b\u8868\u793a\uff1f<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-24 15:24:35<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p><span style=\"font-size: 15px\">\u5b66\u4e60\u77e5\u8bc6\u8981\u5584\u4e8e\u601d\u8003\uff0c\u601d\u8003\uff0c\u518d\u601d\u8003\uff01\u4eca\u5929\u5c0f\u7f16\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u901a\u8fc7\u53cd\u5c04\u4ece\u540d\u79f0\u83b7\u53d6\u7c7b\u578b\u8868\u793a\uff1f\u300b<\/span>\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u5305\u542b<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6216\u51c6\u5907\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">Golang<\/span>\uff0c\u5c31\u90fd\u4e0d\u8981\u9519\u8fc7\u672c\u6587\u5566~\u8ba9\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff0c\u80fd\u5e2e\u52a9\u5230\u4f60\u5c31\u66f4\u597d\u4e86\uff01<\/span><\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u6709\u6ca1\u6709\u529e\u6cd5\u4f7f\u7528 Go \u4e2d\u7684\u53cd\u5c04\u5e93\u4ece\u7c7b\u578b\u540d\u79f0\u8f6c\u5230\u5176\u7c7b\u578b\u8868\u793a\uff1f<\/p>\n<p>\u6211\u6709\u4e00\u4e2a\u5e93\uff0c\u7528\u6237\u9700\u8981\u4e3a\u67d0\u4e9b\u4ee3\u7801\u751f\u6210\u63d0\u4f9b\u7c7b\u578b\u8868\u793a\u3002\u6211\u77e5\u9053\u8fd9\u4e00\u5b9a\u662f\u53ef\u80fd\u7684\uff08\u5728\u67d0\u79cd\u610f\u4e49\u4e0a\uff09\uff0c\u56e0\u4e3a\u4ed6\u4eec\u53ef\u4ee5\u521b\u5efa\u8be5\u7c7b\u578b\u7684\u53d8\u91cf\u5e76\u8c03\u7528 TypeOf \u51fd\u6570\uff0c\u4f46\u662f\u6709\u6ca1\u6709\u529e\u6cd5\u7ed5\u8fc7\u8fd9\u4e2a\u5e76\u53ea\u4ece\u540d\u79f0\u4e2d\u83b7\u53d6\u8868\u793a\u5f62\u5f0f\uff1f<\/p>\n<p> <\/p>\n<h2>\u89e3\u51b3\u65b9\u6848<\/h2>\n<p> <\/p>\n<p>\u8fd9\u4e2a\u95ee\u9898\u4e0d\u592a\u660e\u786e\uff0c\u53ef\u4ee5\u7528\u4e24\u79cd\u65b9\u5f0f\u89e3\u91ca\uff0c\u5176\u4e2d\u4e00\u79cd\u7b54\u6848\u662f\u5426\u5b9a\u7684\uff0c\u4e0d\u53ef\u80fd\uff1b\u53e6\u4e00\u4e2a\u7b54\u6848\u662f\u80af\u5b9a\u7684\uff0c\u8fd9\u662f\u53ef\u80fd\u7684\u3002<\/p>\n<h3>\u8fd0\u884c\u65f6<\/h3>\n<p>\u5982\u679c\u7c7b\u578b\u540d\u79f0\u4f5c\u4e3a <code>string<\/code> \u503c\u63d0\u4f9b\uff0c\u90a3\u4e48\u5728\u8fd0\u884c\u65f6\u8fd9\u662f\u4e0d\u53ef\u80fd\u7684\uff0c\u56e0\u4e3a\u672a\u663e\u5f0f\u5f15\u7528\u7684\u7c7b\u578b\u53ef\u80fd\u65e0\u6cd5\u7f16\u8bd1\u5230\u6700\u7ec8\u7684\u53ef\u6267\u884c\u4e8c\u8fdb\u5236\u6587\u4ef6\u4e2d\uff08\u56e0\u6b64\u663e\u7136\u5728\u8fd0\u884c\u65f6\u53d8\u5f97\u65e0\u6cd5\u8bbf\u95ee\uff0c\u201c\u672a\u77e5\u201d\uff09 \u3002\u6709\u5173\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605 \u3002\u6709\u5173\u53ef\u80fd\u7684\u89e3\u51b3\u65b9\u6cd5\uff0c\u8bf7\u53c2\u9605 \u3002<\/p>\n<h3>\u5728\u201c\u7f16\u7801\u201d\u65f6<\/h3>\n<p>\u5982\u679c\u6211\u4eec\u8c08\u8bba\u201c\u7f16\u7801\u201d\u65f6\u95f4\uff08\u6e90\u4ee3\u7801\u7f16\u5199\/\u751f\u6210\uff09\uff0c\u90a3\u4e48\u65e0\u9700\u521b\u5efa\/\u5206\u914d\u7ed9\u5b9a\u7c7b\u578b\u7684\u53d8\u91cf\u5e76\u8c03\u7528 \u5e76\u4f20\u9012\u53d8\u91cf\u4e5f\u662f\u53ef\u80fd\u7684\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u4ece\u6307\u5411\u7c7b\u578b\u7684<em>\u6307\u9488<\/em>\u5f00\u59cb\uff0c\u5e76\u4f7f\u7528<em>\u7c7b\u578b\u5316\u7684<code>nil<\/code><\/em>\u6307\u9488\u503c\u800c\u4e0d\u8fdb\u884c\u5206\u914d\uff0c\u5e76\u4e14\u60a8\u53ef\u4ee5\u4ece\u5176\u63cf\u8ff0\u7b26\u5bfc\u822a\u5230\u8be5\u7c7b\u578b\u7684\u63cf\u8ff0\u7b26\u4f7f\u7528 <code>type.elem()<\/code> \u7684\u6307\u9488\u7684<em>\u57fa<\/em>\u7c7b\u578b\uff08\u6216<em>\u5143\u7d20<\/em>\u7c7b\u578b\uff09\u3002<\/p>\n<p>\u5b83\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n<pre>t := reflect.typeof((*yourtype)(nil)).elem()<\/pre>\n<p>\u4e0a\u9762\u7684\u7c7b\u578b\u63cf\u8ff0\u7b26 <code>t<\/code> \u4e0e\u4e0b\u9762\u7684 <code>t2<\/code> \u76f8\u540c\uff1a<\/p>\n<pre>var x yourtype\nt2 := reflect.typeof(x)\n\nfmt.println(t, t2)\nfmt.println(t == t2)<\/pre>\n<p>\u4e0a\u8ff0\u5e94\u7528\u7a0b\u5e8f\u7684\u8f93\u51fa\uff08\u5728 \u4e0a\u5c1d\u8bd5\u4e00\u4e0b\uff09\uff1a<\/p>\n<pre>main.YourType main.YourType\ntrue<\/pre>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u5982\u4f55\u901a\u8fc7\u53cd\u5c04\u4ece\u540d\u79f0\u83b7\u53d6\u7c7b\u578b\u8868\u793a\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\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u524d\u4f4d\u7f6e\uff1a &gt; &gt; &#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-207674","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207674","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=207674"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207674\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207674"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207674"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207674"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}