{"id":207075,"date":"2025-07-08T09:56:53","date_gmt":"2025-07-08T01:56:53","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207075\/"},"modified":"2025-07-08T09:56:53","modified_gmt":"2025-07-08T01:56:53","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-golang-%e4%b8%ad%e9%94%81%e5%ae%9a%e7%89%b9%e5%ae%9a%e6%98%a0%e5%b0%84%e7%9a%84%e7%b4%a2%e5%bc%95%e4%bb%a5%e8%bf%9b%e8%a1%8c%e5%b9%b6%e5%8f%91%e8%af%bb-%e5%86%99","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207075\/","title":{"rendered":"\u5982\u4f55\u5728 Golang \u4e2d\u9501\u5b9a\u7279\u5b9a\u6620\u5c04\u7684\u7d22\u5f15\u4ee5\u8fdb\u884c\u5e76\u53d1\u8bfb\/\u5199"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5982\u4f55\u5728 Golang \u4e2d\u9501\u5b9a\u7279\u5b9a\u6620\u5c04\u7684\u7d22\u5f15\u4ee5\u8fdb\u884c\u5e76\u53d1\u8bfb\/\u5199<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-19 21:27:31<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898\u662f<\/span>\u300a\u5982\u4f55\u5728 Golang \u4e2d\u9501\u5b9a\u7279\u5b9a\u6620\u5c04\u7684\u7d22\u5f15\u4ee5\u8fdb\u884c\u5e76\u53d1\u8bfb\/\u5199\u300b<\/span>\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8eGolang<\/span>\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01<\/span><\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u6211\u60f3\u77e5\u9053\u662f\u5426\u6709\u4e00\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5728\u5e76\u53d1\u8bfb\/\u5199\u671f\u95f4\u4ec5\u9501\u5b9a\u6620\u5c04\u4e2d\u7684\u7d22\u5f15\u3002\u6211\u5bf9 golang \u548c\u5e76\u884c\u6027\u8fd8\u5f88\u964c\u751f\uff0c\u5982\u679c\u7b54\u6848\u5f88\u660e\u663e\uff0c\u6211\u5f88\u62b1\u6b49\u3002<\/p>\n

func check(a, b []string) map[string]int {\n    var res = make(map[string]int)\n    go func() {\n        for _, v := range a {\n            res[v]++\n        }\n    }()\n    go func() {\n        for _, v := range b {\n            res[v]++\n        }\n    }()\n    return res\n}<\/pre>\n
\u6700\u7ec8\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u7531\u4e8e\u5e76\u53d1\u7684\u6620\u5c04\u8bfb\/\u5199\u800c\u53d1\u751f\u6050\u614c\u3002\u6240\u4ee5\u6211\u4eec\u5e94\u8be5\u6dfb\u52a0\u4e92\u65a5\u9501\u6765\u9501\u5b9a\u5730\u56fe\u3002<\/p>\n
var m sync.Mutex\ngo func() {\n    for _, v := range a {\n        m.Lock()\n        res[v]++\n        m.Unlock()\n    }\n}()\ngo func() {\n    for _, v := range b {\n        m.Lock()\n        res[v]++\n        m.Unlock()\n    }\n}()<\/pre>\n
\u4f46\u662f\u6839\u636e\u6211\u7684\u7406\u89e3\uff0cm.lock()<\/code>\u4f1a\u9501\u5b9a\u6211\u7684\u6574\u4e2a\u5730\u56fe\uff1f\u9501\u5b9a\u6240\u6709\u5185\u5bb9\u662f\u4e0d\u662f\u5f00\u9500\u592a\u5927\u4e86\uff1f\u8fd9\u8ba9\u6211\u5f88\u70e6\u607c\uff0c\u56e0\u4e3a\u6211\u8ba4\u4e3a\u8fd9\u6bb5\u4ee3\u7801\u53ef\u80fd\u4e0d\u4f1a\u6bd4\u7ebf\u6027\u8fd0\u884c\u66f4\u5feb\u3002\u6211\u53ef\u4ee5\u53ea\u9501\u5b9a map[\"some key\"]<\/code> \u5904\u7684\u6620\u5c04\uff0c\u4ee5\u4fbf\u6211\u7684\u7b2c\u4e8c\u4e2a goroutine \u4ecd\u7136\u53ef\u4ee5\u5728 map[\"some other key\"]<\/code> \u4e2d\u5199\u5165\u5417\uff1f<\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u6765\u81ea<\/p>\n
\u5e76\u53d1\u5730\u56fe<\/h1>\n
\u540c\u6b65\u5305\u4e2d\u7684\u65b0\u6620\u5c04\u7c7b\u578b\u662f\u5177\u6709\u644a\u9500\u6052\u5b9a\u65f6\u95f4\u52a0\u8f7d\u3001\u5b58\u50a8\u548c\u5220\u9664\u7684\u5e76\u53d1\u6620\u5c04\u3002\u591a\u4e2a goroutine \u540c\u65f6\u8c03\u7528 Map \u7684\u65b9\u6cd5\u662f\u5b89\u5168\u7684\u3002<\/p>\n
GO \u56e2\u961f\u4e3a\u60a8\u6253\u9020\u4e86\u4e00\u6b3e\uff01<\/p>\n
\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300a\u5982\u4f55\u5728 Golang \u4e2d\u9501\u5b9a\u7279\u5b9a\u6620\u5c04\u7684\u7d22\u5f15\u4ee5\u8fdb\u884c\u5e76\u53d1\u8bfb\/\u5199\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591aGolang\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/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-207075","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207075","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=207075"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207075\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207075"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207075"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207075"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}