{"id":57722,"date":"2024-10-10T20:38:33","date_gmt":"2024-10-10T12:38:33","guid":{"rendered":"https:\/\/server.hk\/cnblog\/57722\/"},"modified":"2024-10-10T20:38:33","modified_gmt":"2024-10-10T12:38:33","slug":"go%e6%95%99%e7%a8%8b-go-%e8%aa%9e%e8%a8%80-break%ef%bc%88%e8%b7%b3%e5%87%ba%e5%be%aa%e7%92%b0%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/57722\/","title":{"rendered":"GO\u6559\u7a0b: Go \u8a9e\u8a00 break\uff08\u8df3\u51fa\u5faa\u74b0\uff09"},"content":{"rendered":"<h1 id=\"go%e6%95%99%e7%a8%8b-go-%e8%aa%9e%e8%a8%80-break%ef%bc%88%e8%b7%b3%e5%87%ba%e5%be%aa%e7%92%b0%ef%bc%89-SctwzyfUTg\">GO\u6559\u7a0b: Go \u8a9e\u8a00 break\uff08\u8df3\u51fa\u5faa\u74b0\uff09<\/h1>\n<p>\u5728\u7a0b\u5f0f\u8a2d\u8a08\u4e2d\uff0c\u63a7\u5236\u6d41\u7a0b\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u74b0\u3002Go \u8a9e\u8a00\u4f5c\u70ba\u4e00\u7a2e\u73fe\u4ee3\u5316\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u63a7\u5236\u7d50\u69cb\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u5faa\u74b0\u7d50\u69cb\u3002\u7576\u6211\u5011\u9700\u8981\u5728\u5faa\u74b0\u4e2d\u6839\u64da\u7279\u5b9a\u689d\u4ef6\u63d0\u524d\u7d50\u675f\u5faa\u74b0\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>break<\/code> \u95dc\u9375\u5b57\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Go \u8a9e\u8a00\u4e2d\u7684 <code>break<\/code> \u7684\u7528\u6cd5\u53ca\u5176\u61c9\u7528\u5834\u666f\u3002<\/p>\n<h2>1. <code>break<\/code> \u7684\u57fa\u672c\u7528\u6cd5<\/h2>\n<p>\u5728 Go \u8a9e\u8a00\u4e2d\uff0c<code>break<\/code> \u7528\u65bc\u7acb\u5373\u7d42\u6b62\u6700\u5167\u5c64\u7684\u5faa\u74b0\u7d50\u69cb\u3002\u9019\u610f\u5473\u8457\u7576\u7a0b\u5f0f\u57f7\u884c\u5230 <code>break<\/code> \u8a9e\u53e5\u6642\uff0c\u5faa\u74b0\u5c07\u4e0d\u518d\u7e7c\u7e8c\u57f7\u884c\uff0c\u4e26\u4e14\u63a7\u5236\u6b0a\u5c07\u8f49\u79fb\u5230\u5faa\u74b0\u7d50\u675f\u5f8c\u7684\u7b2c\u4e00\u884c\u7a0b\u5f0f\u78bc\u3002<\/p>\n<h3 id=\"1-1-%e7%af%84%e4%be%8b-SctwzyfUTg\">1.1 \u7bc4\u4f8b<\/h3>\n<pre><code>package main\n\nimport \"fmt\"\n\nfunc main() {\n    for i := 0; i &lt; 10; i++ {\n        if i == 5 {\n            break\n        }\n        fmt.Println(i)\n    }\n}\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u7bc4\u4f8b\u4e2d\uff0c\u7576 <code>i<\/code> \u7684\u503c\u7b49\u65bc 5 \u6642\uff0c<code>break<\/code> \u5c07\u88ab\u89f8\u767c\uff0c\u5faa\u74b0\u5c07\u63d0\u524d\u7d50\u675f\u3002\u56e0\u6b64\uff0c\u8f38\u51fa\u7684\u7d50\u679c\u5c07\u662f 0 \u5230 4 \u7684\u6578\u5b57\u3002<\/p>\n<h2>2. <code>break<\/code> \u5728\u5d4c\u5957\u5faa\u74b0\u4e2d\u7684\u61c9\u7528<\/h2>\n<p>\u5728\u5d4c\u5957\u5faa\u74b0\u4e2d\uff0c<code>break<\/code> \u53ea\u6703\u7d42\u6b62\u6700\u5167\u5c64\u7684\u5faa\u74b0\u3002\u5982\u679c\u9700\u8981\u7d42\u6b62\u5916\u5c64\u5faa\u74b0\uff0c\u53ef\u4ee5\u4f7f\u7528\u6a19\u7c64\u4f86\u5be6\u73fe\u3002<\/p>\n<h3 id=\"2-1-%e7%af%84%e4%be%8b-SctwzyfUTg\">2.1 \u7bc4\u4f8b<\/h3>\n<pre><code>package main\n\nimport \"fmt\"\n\nfunc main() {\n    outerLoop:\n    for i := 0; i &lt; 3; i++ {\n        for j := 0; j &lt; 3; j++ {\n            if j == 1 {\n                break outerLoop\n            }\n            fmt.Println(&quot;i:&quot;, i, &quot;j:&quot;, j)\n        }\n    }\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u7576 <code>j<\/code> \u7684\u503c\u7b49\u65bc 1 \u6642\uff0c<code>break outerLoop<\/code> \u5c07\u7d42\u6b62\u5916\u5c64\u5faa\u74b0\uff0c\u8f38\u51fa\u7d50\u679c\u5c07\u986f\u793a <code>i: 0 j: 0<\/code>\u3002<\/p>\n<h2>3. <code>break<\/code> \u7684\u5176\u4ed6\u61c9\u7528<\/h2>\n<p>\u9664\u4e86\u5728\u5faa\u74b0\u4e2d\u4f7f\u7528\uff0c<code>break<\/code> \u9084\u53ef\u4ee5\u7528\u65bc <code>switch<\/code> \u8a9e\u53e5\u4e2d\uff0c\u96d6\u7136\u5728 Go \u8a9e\u8a00\u4e2d\uff0c<code>switch<\/code> \u8a9e\u53e5\u6703\u81ea\u52d5\u7d42\u6b62\uff0c\u4e0d\u9700\u8981\u986f\u5f0f\u4f7f\u7528 <code>break<\/code>\u3002\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528 <code>break<\/code> \u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5f0f\u7684\u53ef\u8b80\u6027\u3002<\/p>\n<h3 id=\"3-1-%e7%af%84%e4%be%8b-SctwzyfUTg\">3.1 \u7bc4\u4f8b<\/h3>\n<pre><code>package main\n\nimport \"fmt\"\n\nfunc main() {\n    switch x := 2; x {\n    case 1:\n        fmt.Println(\"x is 1\")\n    case 2:\n        fmt.Println(\"x is 2\")\n        break \/\/ \u96d6\u7136\u9019\u88e1\u4e0d\u9700\u8981\uff0c\u4f46\u53ef\u4ee5\u63d0\u9ad8\u53ef\u8b80\u6027\n    case 3:\n        fmt.Println(\"x is 3\")\n    }\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c<code>break<\/code> \u7684\u4f7f\u7528\u4e26\u4e0d\u5f71\u97ff\u7a0b\u5f0f\u7684\u57f7\u884c\uff0c\u4f46\u53ef\u4ee5\u8b93\u8b80\u8005\u66f4\u6e05\u695a\u5730\u7406\u89e3\u7a0b\u5f0f\u7684\u7d50\u69cb\u3002<\/p>\n<h2 id=\"4-%e7%b8%bd%e7%b5%90-SctwzyfUTg\">4. \u7e3d\u7d50<\/h2>\n<p>\u5728 Go \u8a9e\u8a00\u4e2d\uff0c<code>break<\/code> \u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u6709\u6548\u5730\u63a7\u5236\u5faa\u74b0\u7684\u57f7\u884c\u3002\u7121\u8ad6\u662f\u5728\u55ae\u5c64\u5faa\u74b0\u9084\u662f\u5d4c\u5957\u5faa\u74b0\u4e2d\uff0c<code>break<\/code> \u90fd\u80fd\u5920\u6839\u64da\u7279\u5b9a\u689d\u4ef6\u63d0\u524d\u7d42\u6b62\u5faa\u74b0\uff0c\u5f9e\u800c\u63d0\u9ad8\u7a0b\u5f0f\u7684\u6548\u7387\u548c\u53ef\u8b80\u6027\u3002\u4e86\u89e3 <code>break<\/code> \u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u5c0d\u65bc\u7de8\u5beb\u9ad8\u6548\u7684 Go \u7a0b\u5f0f\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u4f3a\u670d\u5668\u7684\u9078\u64c7\u6709\u8208\u8da3\uff0c\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u90fd\u53ef\u4ee5\u53c3\u8003\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 Go \u8a9e\u8a00\u4e2d\u7684 break \u8a9e\u53e5\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u5730\u8df3\u51fa\u5faa\u74b0\uff0c\u63d0\u5347\u7a0b\u5f0f\u78bc\u6548\u7387\u8207\u53ef\u8b80\u6027\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-57722","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/57722","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=57722"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/57722\/revisions"}],"predecessor-version":[{"id":57723,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/57722\/revisions\/57723"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=57722"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=57722"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=57722"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}