{"id":205815,"date":"2025-06-12T09:19:19","date_gmt":"2025-06-12T01:19:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205815\/"},"modified":"2025-06-12T09:19:19","modified_gmt":"2025-06-12T01:19:19","slug":"%e5%a6%82%e4%bd%95%e8%ae%be%e8%ae%a1%e5%8f%af%e7%bb%b4%e6%8a%a4%e7%9a%84-golang-%e5%87%bd%e6%95%b0%e5%b9%b6%e5%8f%91%e4%bb%a3%e7%a0%81%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205815\/","title":{"rendered":"\u5982\u4f55\u8bbe\u8ba1\u53ef\u7ef4\u62a4\u7684 Golang \u51fd\u6570\u5e76\u53d1\u4ee3\u7801\uff1f"},"content":{"rendered":"

\u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5\u4e00\u53e5\u52aa\u529b\u81ea\u5df1\u7684\u8bdd\u54c8\u54c8~\u54c8\u55bd\uff0c\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7
\n\u300a\u5982\u4f55\u8bbe\u8ba1\u53ef\u7ef4\u62a4\u7684 GOLANG \u51fd\u6570\u5e76\u53d1\u4ee3\u7801\uff1f\u300b<\/span>\uff0c\u4e3b\u8981\u5185\u5bb9\u662f\u8bb2\u89e3
\n<\/span>\u7b49\u7b49\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u6536\u85cf\u6216\u8005\u6709\u66f4\u597d\u7684\u5efa\u8bae\u5728\u8bc4\u8bba\u63d0\u51fa\uff0c\u6211\u90fd\u4f1a\u8ba4\u771f\u770b\u7684\uff01\u5927\u5bb6\u4e00\u8d77\u8fdb\u6b65\uff0c\u4e00\u8d77\u5b66\u4e60\uff01,
\n,\u5728 Go \u4e2d\u7f16\u5199\u51fd\u6570\u5e76\u884c\u4ee3\u7801\u662f\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u548c\u53ef\u6269\u5c55\u6027\u7684\u6709\u6548\u65b9\u6cd5\u3002\u7136\u800c\uff0c\u5982\u679c\u6ca1\u6709\u4ed4\u7ec6\u8003\u8651\uff0c\u5e76\u53d1\u4ee3\u7801\u53ef\u80fd\u4f1a\u53d8\u5f97\u96be\u4ee5\u7ef4\u62a4\u548c\u5bb9\u6613\u51fa\u9519\u3002\u9075\u5faa\u4ee5\u4e0b\u539f\u5219\u53ef\u4ee5\u5e2e\u52a9\u60a8\u7f16\u5199\u53ef\u7ef4\u62a4\u7684\u5e76\u53d1 Go \u51fd\u6570\uff1a,\u5171\u4eab\u72b6\u6001\u662f\u5e76\u53d1\u7f16\u7a0b\u4e2d\u7684\u5e38\u89c1\u9519\u8bef\u6765\u6e90\u3002\u5f53\u591a\u4e2a goroutine \u8bbf\u95ee\u548c\u4fee\u6539\u540c\u4e00\u53d8\u91cf\u65f6\uff0c\u4f1a\u5bfc\u81f4\u6570\u636e\u7ade\u4e89\u548c\u96be\u4ee5\u9884\u6d4b\u7684\u884c\u4e3a\u3002\u5c3d\u91cf\u907f\u514d\u4f7f\u7528\u5171\u4eab\u72b6\u6001\uff0c\u6216\u8005\u4f7f\u7528\u9002\u5f53\u7684\u540c\u6b65\u673a\u5236\uff08\u5982\u4e92\u65a5\u9501\uff09\u6765\u4fdd\u62a4\u5bf9\u5171\u4eab\u72b6\u6001\u7684\u8bbf\u95ee\u3002,
\n\u4f8b\u5982\uff1a<\/strong>,\u8fd9\u4e2a\u793a\u4f8b\u4f1a\u4ea7\u751f\u6570\u636e\u7ade\u4e89\uff0c\u56e0\u4e3a\u591a\u4e2a goroutine \u53ef\u80fd\u540c\u65f6\u8c03\u7528
\nincrementCounter<\/code> \u548c
\ngetCounter<\/code>\uff0c\u5bfc\u81f4\u4e0d\u4e00\u81f4\u7684\u7ed3\u679c\u3002,\u521b\u5efa\u4e00\u4e2a goroutine \u6c60\u53ef\u4ee5\u5e2e\u52a9\u51cf\u5c11\u521b\u5efa\u548c\u9500\u6bc1 goroutine \u5e26\u6765\u7684\u5f00\u9500\u3002\u901a\u8fc7\u91cd\u7528\u73b0\u6709\u7684 goroutine\uff0c\u53ef\u4ee5\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u8d44\u6e90\u5229\u7528\u7387\u3002,
\n\u4f8b\u5982\uff1a<\/strong>,\u5e76\u53d1\u4ee3\u7801\u4e2d\u5904\u7406\u9519\u8bef\u81f3\u5173\u91cd\u8981\u3002\u5728 goroutine \u4e2d\u53d1\u751f\u7684\u9519\u8bef\u53ef\u80fd\u4f1a\u88ab\u5ffd\u7565\uff0c\u5bfc\u81f4\u4e0d\u53ef\u9884\u6d4b\u7684\u884c\u4e3a\u3002\u4f7f\u7528
\nrecover<\/code> \u51fd\u6570\u53ef\u4ee5\u6355\u83b7\u6050\u614c\uff0c\u5e76\u6839\u636e\u9700\u8981\u91c7\u53d6\u9002\u5f53\u7684\u63aa\u65bd\u3002,
\n\u4f8b\u5982\uff1a<\/strong>,\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528\u4e0a\u9762\u539f\u5219\u7f16\u5199\u7684\u53ef\u7ef4\u62a4\u7684\u5e76\u53d1 Go \u51fd\u6570\u793a\u4f8b\uff1a,\u6b64\u793a\u4f8b\u4f1a\u521b\u5efa\u4e00\u4e2a\u5e76\u53d1\u5b89\u5168\u7684\u8ba1\u6570\u5668\uff0c\u5176\u4e2d\u591a\u4e2a goroutine \u53ef\u4ee5\u540c\u65f6\u5bf9\u8ba1\u6570\u5668\u8fdb\u884c\u589e\u91cf\u64cd\u4f5c\uff0c\u800c\u4e0d\u4f1a\u5bfc\u81f4\u6570\u636e\u7ade\u4e89\u6216\u4e0d\u4e00\u81f4\u7684\u7ed3\u679c\u3002atomic \u64cd\u4f5c\u53ef\u786e\u4fdd\u5bf9\u8ba1\u6570\u5668\u7684\u8bbf\u95ee\u662f\u540c\u6b65\u7684\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~,\u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5\u4e00\u53e5\u52aa\u529b\u81ea\u5df1\u7684\u8bdd\u54c8\u54c8~\u54c8\u55bd\uff0c\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7
\n\u300a\u5982\u4f55\u8bbe\u8ba1\u53ef\u7ef4\u62a4\u7684 GOLANG \u51fd\u6570\u5e76\u53d1\u4ee3\u7801\uff1f\u300b<\/span>\uff0c\u4e3b\u8981\u5185\u5bb9\u662f\u8bb2\u89e3
\n<\/span>\u7b49\u7b49\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u6536\u85cf\u6216\u8005\u6709\u66f4\u597d\u7684\u5efa\u8bae\u5728\u8bc4\u8bba\u63d0\u51fa\uff0c\u6211\u90fd\u4f1a\u8ba4\u771f\u770b\u7684\uff01\u5927\u5bb6\u4e00\u8d77\u8fdb\u6b65\uff0c\u4e00\u8d77\u5b66\u4e60\uff01,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5982\u4f55\u8bbe\u8ba1\u53ef\u7ef4\u62a4\u7684 GOLANG \u51fd\u6570\u5e76\u53d1\u4ee3\u7801\uff1f<\/span><\/p>\n

\u5982\u4f55\u8bbe\u8ba1\u53ef\u7ef4\u62a4\u7684 GOLANG \u51fd\u6570\u5e76\u53d1\u4ee3\u7801\uff1f<\/h1>\n

2024-10-27 13:39:47<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5\u4e00\u53e5\u52aa\u529b\u81ea\u5df1\u7684\u8bdd\u54c8\u54c8~\u54c8\u55bd\uff0c\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\u300a\u5982\u4f55\u8bbe\u8ba1\u53ef\u7ef4\u62a4\u7684 GOLANG \u51fd\u6570\u5e76\u53d1\u4ee3\u7801\uff1f\u300b<\/span>\uff0c\u4e3b\u8981\u5185\u5bb9\u662f\u8bb2\u89e3<\/span>\u7b49\u7b49\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u6536\u85cf\u6216\u8005\u6709\u66f4\u597d\u7684\u5efa\u8bae\u5728\u8bc4\u8bba\u63d0\u51fa\uff0c\u6211\u90fd\u4f1a\u8ba4\u771f\u770b\u7684\uff01\u5927\u5bb6\u4e00\u8d77\u8fdb\u6b65\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n

<\/p>\n

\u5982\u4f55\u8bbe\u8ba1\u53ef\u7ef4\u62a4\u7684 GOLANG \u51fd\u6570\u5e76\u53d1\u4ee3\u7801<\/h2>\n

\u5728 Go \u4e2d\u7f16\u5199\u51fd\u6570\u5e76\u884c\u4ee3\u7801\u662f\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u548c\u53ef\u6269\u5c55\u6027\u7684\u6709\u6548\u65b9\u6cd5\u3002\u7136\u800c\uff0c\u5982\u679c\u6ca1\u6709\u4ed4\u7ec6\u8003\u8651\uff0c\u5e76\u53d1\u4ee3\u7801\u53ef\u80fd\u4f1a\u53d8\u5f97\u96be\u4ee5\u7ef4\u62a4\u548c\u5bb9\u6613\u51fa\u9519\u3002\u9075\u5faa\u4ee5\u4e0b\u539f\u5219\u53ef\u4ee5\u5e2e\u52a9\u60a8\u7f16\u5199\u53ef\u7ef4\u62a4\u7684\u5e76\u53d1 Go \u51fd\u6570\uff1a<\/p>\n

\u907f\u514d\u5171\u4eab\u72b6\u6001<\/h3>\n

\u5171\u4eab\u72b6\u6001\u662f\u5e76\u53d1\u7f16\u7a0b\u4e2d\u7684\u5e38\u89c1\u9519\u8bef\u6765\u6e90\u3002\u5f53\u591a\u4e2a goroutine \u8bbf\u95ee\u548c\u4fee\u6539\u540c\u4e00\u53d8\u91cf\u65f6\uff0c\u4f1a\u5bfc\u81f4\u6570\u636e\u7ade\u4e89\u548c\u96be\u4ee5\u9884\u6d4b\u7684\u884c\u4e3a\u3002\u5c3d\u91cf\u907f\u514d\u4f7f\u7528\u5171\u4eab\u72b6\u6001\uff0c\u6216\u8005\u4f7f\u7528\u9002\u5f53\u7684\u540c\u6b65\u673a\u5236\uff08\u5982\u4e92\u65a5\u9501\uff09\u6765\u4fdd\u62a4\u5bf9\u5171\u4eab\u72b6\u6001\u7684\u8bbf\u95ee\u3002<\/p>\n

\u4f8b\u5982\uff1a<\/strong><\/p>\n

var counter int\n\nfunc incrementCounter() {\n    counter++\n}\n\nfunc getCounter() int {\n    return counter\n}<\/pre>\n
\u8fd9\u4e2a\u793a\u4f8b\u4f1a\u4ea7\u751f\u6570\u636e\u7ade\u4e89\uff0c\u56e0\u4e3a\u591a\u4e2a goroutine \u53ef\u80fd\u540c\u65f6\u8c03\u7528 incrementCounter<\/code> \u548c getCounter<\/code>\uff0c\u5bfc\u81f4\u4e0d\u4e00\u81f4\u7684\u7ed3\u679c\u3002<\/p>\n
\u4f7f\u7528 goroutine \u6c60<\/h3>\n
\u521b\u5efa\u4e00\u4e2a goroutine \u6c60\u53ef\u4ee5\u5e2e\u52a9\u51cf\u5c11\u521b\u5efa\u548c\u9500\u6bc1 goroutine \u5e26\u6765\u7684\u5f00\u9500\u3002\u901a\u8fc7\u91cd\u7528\u73b0\u6709\u7684 goroutine\uff0c\u53ef\u4ee5\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u8d44\u6e90\u5229\u7528\u7387\u3002<\/p>\n
\u4f8b\u5982\uff1a<\/strong><\/p>\n
import \"sync\"\n\ntype goroutinePool struct {\n    pool sync.Pool\n}\n\nfunc (p *goroutinePool) Get() func() {\n    f, _ := p.pool.Get().(func())\n    if f == nil {\n        f = func() {}\n    }\n    return f\n}\n\nfunc createPool() *goroutinePool {\n    return &goroutinePool{sync.Pool{New: func() interface{} {\n        return func() {}\n    }}}\n}<\/pre>\n
\u5904\u7406\u9519\u8bef<\/h3>\n
\u5e76\u53d1\u4ee3\u7801\u4e2d\u5904\u7406\u9519\u8bef\u81f3\u5173\u91cd\u8981\u3002\u5728 goroutine \u4e2d\u53d1\u751f\u7684\u9519\u8bef\u53ef\u80fd\u4f1a\u88ab\u5ffd\u7565\uff0c\u5bfc\u81f4\u4e0d\u53ef\u9884\u6d4b\u7684\u884c\u4e3a\u3002\u4f7f\u7528 recover<\/code> \u51fd\u6570\u53ef\u4ee5\u6355\u83b7\u6050\u614c\uff0c\u5e76\u6839\u636e\u9700\u8981\u91c7\u53d6\u9002\u5f53\u7684\u63aa\u65bd\u3002<\/p>\n
\u4f8b\u5982\uff1a<\/strong><\/p>\n
func doSomething() {\n    defer func() {\n        if err := recover(); err != nil {\n            log.Printf(\"Error occurred: %v\", err)\n        }\n    }()\n\n    \/\/ Your code here\n}<\/pre>\n
\u5b9e\u6218\u6848\u4f8b<\/h3>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528\u4e0a\u9762\u539f\u5219\u7f16\u5199\u7684\u53ef\u7ef4\u62a4\u7684\u5e76\u53d1 Go \u51fd\u6570\u793a\u4f8b\uff1a<\/p>\n
import (\n    \"sync\/atomic\"\n    \"time\"\n)\n\ntype Counter struct {\n    value uint64\n}\n\nfunc NewCounter() *Counter {\n    return &Counter{}\n}\n\nfunc (c *Counter) Increment() {\n    atomic.AddUint64(&c.value, 1)\n}\n\nfunc (c *Counter) Get() uint64 {\n    return atomic.LoadUint64(&c.value)\n}\n\nfunc main() {\n    counter := NewCounter()\n\n    for i := 0; i < 10; i++ {\n        go func() {\n            for j := 0; j < 1000; j++ {\n                counter.Increment()\n            }\n        }()\n    }\n\n    time.Sleep(1 * time.Second)\n\n    result := counter.Get()\n    log.Printf(\"Counter value: %d\", result)\n}<\/pre>\n
\u6b64\u793a\u4f8b\u4f1a\u521b\u5efa\u4e00\u4e2a\u5e76\u53d1\u5b89\u5168\u7684\u8ba1\u6570\u5668\uff0c\u5176\u4e2d\u591a\u4e2a goroutine \u53ef\u4ee5\u540c\u65f6\u5bf9\u8ba1\u6570\u5668\u8fdb\u884c\u589e\u91cf\u64cd\u4f5c\uff0c\u800c\u4e0d\u4f1a\u5bfc\u81f4\u6570\u636e\u7ade\u4e89\u6216\u4e0d\u4e00\u81f4\u7684\u7ed3\u679c\u3002atomic \u64cd\u4f5c\u53ef\u786e\u4fdd\u5bf9\u8ba1\u6570\u5668\u7684\u8bbf\u95ee\u662f\u540c\u6b65\u7684\u3002<\/p>\n
\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
\n
\n <\/dt>\n
\n   php \u51fd\u6570\u7f13\u5b58\u6280\u672f\u8be6\u89e3\uff1a\u5982\u4f55\u4f7f\u7528\u51fd\u6570\u7f13\u5b58\u6280\u672f\u4f18\u5316\u5927\u578b\u9879\u76ee\uff1f\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   \u5982\u4f55\u89e3\u51b3\u91cd\u590d\u63d0\u4ea4\u7ed5\u8fc7\u9a8c\u8bc1\u5bfc\u81f4\u6570\u636e\u63d2\u5165\u95ee\u9898\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5...<\/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-205815","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205815","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=205815"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205815\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205815"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205815"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205815"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}