{"id":207299,"date":"2025-07-08T10:45:06","date_gmt":"2025-07-08T02:45:06","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207299\/"},"modified":"2025-07-08T10:45:06","modified_gmt":"2025-07-08T02:45:06","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-cobra-golang-%e4%b8%ad%e5%b0%86%e6%a0%87%e5%bf%97%e4%bd%9c%e4%b8%ba%e5%8f%82%e6%95%b0%e4%bc%a0%e9%80%92%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207299\/","title":{"rendered":"\u5982\u4f55\u5728 cobra (golang) \u4e2d\u5c06\u6807\u5fd7\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\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\u5728 cobra (golang) \u4e2d\u5c06\u6807\u5fd7\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\uff1f<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-21 15:54:34<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u5728 cobra (golang) \u4e2d\u5c06\u6807\u5fd7\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\uff1f\u300b<\/span>\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">Golang<\/span>\uff0c\u6216\u8005\u662f\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">Golang<\/span>\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01<\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u6211\u6b63\u5728\u4f7f\u7528 cobra \u521b\u5efa cli \u5e94\u7528\u7a0b\u5e8f (<strong>app<\/strong>)\u3002\u6211\u9700\u8981\u5b9e\u73b0\u4e00\u79cd\u884c\u4e3a\uff0c<strong>\u6211\u53ef\u4ee5\u5c06\u6807\u5fd7\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012<\/strong>\u3002\u8fd9\u4e9b\u6807\u5fd7\u5c06\u901a\u8fc7 exec.command() \u8fdb\u4e00\u6b65\u4f20\u9012|\u4f7f\u7528\u5230\u53e6\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\u3002\u4f20\u9012\u7ed9 <strong>app<\/strong> \u7684\u6240\u6709\u6807\u5fd7\u53c2\u6570\u90fd\u5fc5\u987b\u88ab <strong>app<\/strong> \u672c\u8eab\u5ffd\u7565\uff0c\u5373\u4e0d\u88ab\u8bc6\u522b\u4e3a\u6807\u5fd7\u3002<\/p>\n<p>\u6211\u4e0d\u6392\u9664\u8fd9\u662f\u5947\u602a\u7684\u884c\u4e3a\u3002\u4f46\u5982\u679c\u6709\u673a\u4f1a\u5b9e\u65bd\u6211\u5c06\u4e0d\u80dc\u611f\u6fc0\u3002<\/p>\n<p>\u4e0e\u5e94\u7528\u7a0b\u5e8f\u4ea4\u4e92\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>&gt; app --help\nor\n&gt; app --first --second<\/pre>\n<p>\u6211\u5e0c\u671b\u53c2\u6570\uff08<em>&#8211;help &#8211;first &#8211;second<\/em> \u4ee5\u53ca\u6240\u6709\u5176\u4ed6\u53c2\u6570\uff09\u4e0d\u88ab\u89c6\u4e3a <strong>app<\/strong> \u7684\u6807\u5fd7\u3002<\/p>\n<p> <\/p>\n<h2>\u6b63\u786e\u7b54\u6848<\/h2>\n<p> <\/p>\n<p>\u60a8\u53ef\u4ee5\u5728\u53cc\u7834\u6298\u53f7 <code>--<\/code> \u4e4b\u540e\u4f20\u9012\u5b83\u4eec\uff0c\u6309\u7167\u60ef\u4f8b\uff0c\u8fd9\u8868\u660e\u4ee5\u4e0b\u6807\u5fd7\u548c\u53c2\u6570\u5e76\u4e0d\u610f\u5473\u7740\u88ab\u89e3\u91ca\u4e3a\u4e3b\u7a0b\u5e8f\u7684\u53c2\u6570\u548c\u6807\u5fd7\u3002\u9664\u975e\u60a8\u4ee5\u67d0\u79cd\u65b9\u5f0f\u660e\u786e\u4f7f\u7528\u5b83\u4eec\uff0c\u5426\u5219\u5b83\u4eec\u5c06\u88ab\u5ffd\u7565\u3002\u5373\uff1a<\/p>\n<pre>if len(pflag.args()) != 0 {\n    afterdash := pflag.args()[pflag.commandline.argslenatdash():]\n    fmt.printf(\"args after dash: %v\\n\", afterdash)\n}\n<\/pre>\n<pre>$ go run .\/cmd\/tpl\/ -d yaml -- --foo --bar\nargs after dash: [--foo --bar]\n<\/pre>\n<p>cobra \u6b63\u5728\u4f7f\u7528 pflag \u5305 <\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u5728 cobra (golang) \u4e2d\u5c06\u6807\u5fd7\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03Golang\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\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-207299","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207299","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=207299"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207299\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207299"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207299"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}