{"id":207439,"date":"2025-07-08T11:19:56","date_gmt":"2025-07-08T03:19:56","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207439\/"},"modified":"2025-07-08T11:19:56","modified_gmt":"2025-07-08T03:19:56","slug":"%e5%a6%82%e4%bd%95%e9%81%bf%e5%85%8d%e5%85%b1%e4%ba%ab%e5%8c%85%e7%9a%84%e4%be%9d%e8%b5%96%e5%be%aa%e7%8e%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207439\/","title":{"rendered":"\u5982\u4f55\u907f\u514d\u5171\u4eab\u5305\u7684\u4f9d\u8d56\u5faa\u73af\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\u907f\u514d\u5171\u4eab\u5305\u7684\u4f9d\u8d56\u5faa\u73af\uff1f<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-22 17:00:34<\/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\">\u6709\u5fd7\u8005\uff0c\u4e8b\u7adf\u6210\uff01\u5982\u679c\u4f60\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">Golang<\/span>\uff0c\u90a3\u4e48\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u907f\u514d\u5171\u4eab\u5305\u7684\u4f9d\u8d56\u5faa\u73af\uff1f\u300b<\/span>\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff01\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/span><\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u6211\u77e5\u9053\u8fd9\u4e2a\u95ee\u9898\u88ab\u95ee\u4e86\u5f88\u591a\uff0c\u4f46\u6211\u4ecd\u7136\u4e0d\u660e\u767d\u5982\u4f55\u89e3\u51b3\u5b83\u3002\u5047\u8bbe\u6211\u6709\u8fd9\u6837\u7684\u7ed3\u6784\uff1a<\/p>\n<pre>foo\n- foos.go      \/\/ custom foo type\ndatabase\n- database.go  \/\/ interface\n- postgres.go  \/\/ implementation<\/pre>\n<p>\u5728<code>database.go<\/code>\u4e2d\u6211\u9700\u8981\u5bfc\u5165<code>foo<\/code>\uff0c\u8fd9\u6837\u6211\u5c31\u53ef\u4ee5<code>saveondb(foo.myfoo)<\/code>\uff0c\u5728<code>foos.go<\/code>\u4e2d\u6211\u9700\u8981\u5bfc\u5165<code>database<\/code>\uff0c\u6240\u4ee5\u6211\u53ef\u4ee5<code>database.saveondb \uff08myfoo\uff09<\/code>\u3002<\/p>\n<p>\u7531\u4e8e\u5bfc\u5165\u5468\u671f\u7684\u539f\u56e0\uff0c\u8fd9\u4e0d\u4f1a\u7f16\u8bd1\u3002\u6b63\u786e\u7684\u8bbe\u8ba1\u662f\u4ec0\u4e48\uff1f<\/p>\n<p> <\/p>\n<h2>\u89e3\u51b3\u65b9\u6848<\/h2>\n<p> <\/p>\n<p>\u6570\u636e\u5e93\u4e0d\u5e94\u8be5\u4f9d\u8d56\u4e8efoo\uff0c\u5b83\u5e94\u8be5\u8db3\u591f\u62bd\u8c61\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u63a5\u53e3\u800c\u4e0d\u662f <code>saveondb(foo.myfoo)<\/code> \u5417\uff1f<\/p>\n<pre>type somefoo interface{}\n\nsaveondb(somefoo)<\/pre>\n<p>\u7136\u540e\u8c03\u7528\u5b83<\/p>\n<pre>database.saveOnDb(myfoo)<\/pre>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u5982\u4f55\u907f\u514d\u5171\u4eab\u5305\u7684\u4f9d\u8d56\u5faa\u73af\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\u5728\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","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-207439","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207439","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=207439"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207439\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207439"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207439"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}