{"id":206840,"date":"2025-06-12T08:32:04","date_gmt":"2025-06-12T00:32:04","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206840\/"},"modified":"2025-06-12T08:32:04","modified_gmt":"2025-06-12T00:32:04","slug":"go-switch-case-%e5%8c%b9%e9%85%8d%e7%bd%91%e7%bb%9c%e6%8e%a5%e6%94%b6%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%a4%b1%e8%b4%a5%ef%bc%9a%e4%b8%ba%e4%bb%80%e4%b9%88%e6%98%8e%e6%98%8e%e6%98%af-tunnelok","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206840\/","title":{"rendered":"Go switch case \u5339\u914d\u7f51\u7edc\u63a5\u6536\u5b57\u7b26\u4e32\u5931\u8d25\uff1a\u4e3a\u4ec0\u4e48\u660e\u660e\u662f \\&#8221;TUNNELOK\\&#8221; \u5374\u65e0\u6cd5\u5339\u914d\uff1f"},"content":{"rendered":"<p>\u5728IT\u884c\u4e1a\u8fd9\u4e2a\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u5f88\u5feb\u7684\u884c\u4e1a\uff0c\u53ea\u6709\u4e0d\u505c\u6b62\u7684\u5b66\u4e60\uff0c\u624d\u4e0d\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u5982\u679c\u4f60\u662fGOLANG\u5b66\u4e60\u8005\uff0c\u90a3\u4e48\u672c\u6587\u300aGo switch case \u5339\u914d\u7f51\u7edc\u63a5\u6536\u5b57\u7b26\u4e32\u5931\u8d25\uff1a\u4e3a\u4ec0\u4e48\u660e\u660e\u662f \\&#8221;TUNNELOK\\&#8221; \u5374\u65e0\u6cd5\u5339\u914d\uff1f\u300b\u5c31\u5f88\u9002\u5408\u4f60\uff01\u672c\u7bc7\u5185\u5bb9\u4e3b\u8981\u5305\u62ec##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241125\/1732526306674440e2c74fb.jpg\" class=\"aligncenter\">,\u5728\u5904\u7406\u5ba2\u6237\u7aef\u7f51\u7edc\u6d88\u606f\u7684\u4ee3\u7801\u4e2d\uff0c\u4f5c\u8005\u9047\u5230\u4e86\u4e00\u4e2a\u95ee\u9898\uff1aswitch case \u65e0\u6cd5\u5339\u914d\u4ece\u7f51\u7edc\u63a5\u6536\u5230\u7684\u5b57\u7b26\u4e32\u3002,\u4ee3\u7801\u5982\u4e0b\uff1a,\u4ece\u4ee3\u7801\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0caction \u53d8\u91cf\u7684\u503c\u662f\u5b57\u7b26\u4e32\uff0c\u800c switch case \u7684 case \u5b50\u53e5\u4e5f\u662f\u5b57\u7b26\u4e32\u3002\u4f46\u662f\uff0c\u5373\u4f7f action \u7684\u503c\u660e\u660e\u5c31\u662f &#8220;tunnelok&#8221;\uff0c\u5374\u65e0\u6cd5\u5339\u914d\u5230 switch case\u3002,\u7ecf\u8fc7\u5206\u6790\uff0c\u63a8\u6d4b\u9020\u6210\u8fd9\u4e2a\u95ee\u9898\u7684\u539f\u56e0\u53ef\u80fd\u662f\uff1a,\u6839\u636e\u63a8\u6d4b\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u89e3\u51b3\u65b9\u6848\uff1a,\u4ee3\u7801\u4fee\u6539\u5982\u4e0b\uff1a,\u53ea\u8981 action \u53d8\u91cf\u7684\u503c\u786e\u5b9e\u662f &#8220;tunnelok&#8221;\uff0c\u90a3\u4e48 switch case \u5c31\u80fd\u591f\u6b63\u5e38\u5339\u914d\u3002,\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8eGOLANG\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~,strings.trim \u65e0\u6cd5\u6e05\u9664\u6240\u6709\u4e0d\u53ef\u89c1\u5b57\u7b26\uff0c\u5bfc\u81f4 switch case \u65e0\u6cd5\u5339\u914d\u3002,append \u64cd\u4f5c\u540e\uff0cread \u6570\u7ec4\u524d 2048 \u4e2a\u5143\u7d20\u4e3a\u96f6\u503c\uff0c\u5728\u8f6c\u6362\u6210\u5b57\u7b26\u4e32\u540e\u4ea7\u751f\u4e86\u4e0d\u53ef\u89c1\u5b57\u7b26\u3002,\u5728IT\u884c\u4e1a\u8fd9\u4e2a\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u5f88\u5feb\u7684\u884c\u4e1a\uff0c\u53ea\u6709\u4e0d\u505c\u6b62\u7684\u5b66\u4e60\uff0c\u624d\u4e0d\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u5982\u679c\u4f60\u662fGOLANG\u5b66\u4e60\u8005\uff0c\u90a3\u4e48\u672c\u6587\u300aGo switch case \u5339\u914d\u7f51\u7edc\u63a5\u6536\u5b57\u7b26\u4e32\u5931\u8d25\uff1a\u4e3a\u4ec0\u4e48\u660e\u660e\u662f \\&#8221;TUNNELOK\\&#8221; \u5374\u65e0\u6cd5\u5339\u914d\uff1f\u300b\u5c31\u5f88\u9002\u5408\u4f60\uff01\u672c\u7bc7\u5185\u5bb9\u4e3b\u8981\u5305\u62ec##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01,<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 switch case \u5339\u914d\u7f51\u7edc\u63a5\u6536\u5b57\u7b26\u4e32\u5931\u8d25\uff1a\u4e3a\u4ec0\u4e48\u660e\u660e\u662f \\&#8221;TUNNELOK\\&#8221; \u5374\u65e0\u6cd5\u5339\u914d\uff1f<\/span><\/p>\n<h1>Go switch case \u5339\u914d\u7f51\u7edc\u63a5\u6536\u5b57\u7b26\u4e32\u5931\u8d25\uff1a\u4e3a\u4ec0\u4e48\u660e\u660e\u662f \\&#8221;TUNNELOK\\&#8221; \u5374\u65e0\u6cd5\u5339\u914d\uff1f<\/h1>\n<p><span>2024-11-25 17:18:42<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u5728IT\u884c\u4e1a\u8fd9\u4e2a\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u5f88\u5feb\u7684\u884c\u4e1a\uff0c\u53ea\u6709\u4e0d\u505c\u6b62\u7684\u5b66\u4e60\uff0c\u624d\u4e0d\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u5982\u679c\u4f60\u662fGOLANG\u5b66\u4e60\u8005\uff0c\u90a3\u4e48\u672c\u6587\u300aGo switch case \u5339\u914d\u7f51\u7edc\u63a5\u6536\u5b57\u7b26\u4e32\u5931\u8d25\uff1a\u4e3a\u4ec0\u4e48\u660e\u660e\u662f \\&#8221;TUNNELOK\\&#8221; \u5374\u65e0\u6cd5\u5339\u914d\uff1f\u300b\u5c31\u5f88\u9002\u5408\u4f60\uff01\u672c\u7bc7\u5185\u5bb9\u4e3b\u8981\u5305\u62ec##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241125\/1732526306674440e2c74fb.jpg\" class=\"aligncenter\"><\/p>\n<h2>go switch case \u5339\u914d\u7f51\u7edc\u63a5\u6536\u5b57\u7b26\u4e32\u5931\u8d25<\/h2>\n<p>\u5728\u5904\u7406\u5ba2\u6237\u7aef\u7f51\u7edc\u6d88\u606f\u7684\u4ee3\u7801\u4e2d\uff0c\u4f5c\u8005\u9047\u5230\u4e86\u4e00\u4e2a\u95ee\u9898\uff1aswitch case \u65e0\u6cd5\u5339\u914d\u4ece\u7f51\u7edc\u63a5\u6536\u5230\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<h3>\u95ee\u9898\u5206\u6790<\/h3>\n<p>\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre>func dealwithclientmsg(conn net.conn) {\n    read := make([]byte, 2048)\n    readtmp := make([]byte, 1024)\n\n    num, err := conn.read(readtmp)\n\n    if err != nil {\n        log.println(\"\u63a5\u53d7\u5ba2\u6237\u7aef\u6d88\u606f\u5931\u8d25\uff1a\", err.error())\n    }\n\n    read = append(read, readtmp[:num]...)\n\n    log.println(\"\u63a5\u6536\u5230\u5ba2\u6237\u7aef\u6d88\u606f\uff1a\", string(read))\n\n    contentlist := strings.split(string(read), \":\")\n    action := strings.trim(contentlist[0], \" \")\n\n    switch action {\n    case \"tunnelok\":\n        fmt.println(\"\u96a7\u9053\u6253\u6210\u529f\u4e86\")\n        ......\n    }\n}<\/pre>\n<p>\u4ece\u4ee3\u7801\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0caction \u53d8\u91cf\u7684\u503c\u662f\u5b57\u7b26\u4e32\uff0c\u800c switch case \u7684 case \u5b50\u53e5\u4e5f\u662f\u5b57\u7b26\u4e32\u3002\u4f46\u662f\uff0c\u5373\u4f7f action \u7684\u503c\u660e\u660e\u5c31\u662f &#8220;tunnelok&#8221;\uff0c\u5374\u65e0\u6cd5\u5339\u914d\u5230 switch case\u3002<\/p>\n<h3>\u539f\u56e0\u63a8\u6d4b<\/h3>\n<p>\u7ecf\u8fc7\u5206\u6790\uff0c\u63a8\u6d4b\u9020\u6210\u8fd9\u4e2a\u95ee\u9898\u7684\u539f\u56e0\u53ef\u80fd\u662f\uff1a<\/p>\n<ul>\n<li>append \u64cd\u4f5c\u540e\uff0cread \u6570\u7ec4\u524d 2048 \u4e2a\u5143\u7d20\u4e3a\u96f6\u503c\uff0c\u5728\u8f6c\u6362\u6210\u5b57\u7b26\u4e32\u540e\u4ea7\u751f\u4e86\u4e0d\u53ef\u89c1\u5b57\u7b26\u3002<\/li>\n<li>strings.trim \u65e0\u6cd5\u6e05\u9664\u6240\u6709\u4e0d\u53ef\u89c1\u5b57\u7b26\uff0c\u5bfc\u81f4 switch case \u65e0\u6cd5\u5339\u914d\u3002<\/li>\n<\/ul>\n<h3>\u89e3\u51b3\u65b9\u6848<\/h3>\n<p>\u6839\u636e\u63a8\u6d4b\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<ol>\n<li>\u4fee\u6539 trim \u51fd\u6570\u4e3a strings.trimspace\uff0c\u5b83\u53ef\u4ee5\u6e05\u9664\u6240\u6709\u4e0d\u53ef\u89c1\u5b57\u7b26\u3002<\/li>\n<li>\u4fee\u6539 make \u521d\u59cb\u5316\u65b9\u5f0f\uff0c\u907f\u514d\u5c06 2048 \u4e2a\u96f6\u503c\u6dfb\u52a0\u5230 read \u6570\u7ec4\u4e2d\u3002<\/li>\n<\/ol>\n<p>\u4ee3\u7801\u4fee\u6539\u5982\u4e0b\uff1a<\/p>\n<pre>action := strings.trimspace(contentlist[0])<\/pre>\n<pre>read := []byte{} \/\/ \u6216 var read []byte<\/pre>\n<p>\u53ea\u8981 action \u53d8\u91cf\u7684\u503c\u786e\u5b9e\u662f &#8220;tunnelok&#8221;\uff0c\u90a3\u4e48 switch case \u5c31\u80fd\u591f\u6b63\u5e38\u5339\u914d\u3002<\/p>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8eGOLANG\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   Python \u865a\u62df\u673a\uff08CPython\uff09\u662f\u5f00\u6e90\u8f6f\u4ef6\u5417\uff1f\u5b83\u5c5e\u4e8e\u54ea\u5bb6\u516c\u53f8\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u5c06\u7535\u8111\u4e0e\u5c0f\u7c73\u76d2\u5b50\u6210\u529f\u8fde\u63a5\uff1a\u5168\u9762\u6307\u5357\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5728IT\u884c\u4e1a\u8fd9\u4e2a\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u5f88\u5feb\u7684&#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-206840","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206840","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=206840"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206840\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206840"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}