{"id":205871,"date":"2025-06-12T11:43:10","date_gmt":"2025-06-12T03:43:10","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205871\/"},"modified":"2025-06-12T11:43:10","modified_gmt":"2025-06-12T03:43:10","slug":"golang-%e5%87%bd%e6%95%b0%e4%b9%8b%e5%b9%b6%e5%8f%91%e5%ae%89%e5%85%a8%e6%8e%a2%e8%ae%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205871\/","title":{"rendered":"Golang \u51fd\u6570\u4e4b\u5e76\u53d1\u5b89\u5168\u63a2\u8ba8"},"content":{"rendered":"<p>IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929GOLANG\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300aGOLANG \u51fd\u6570\u4e4b\u5e76\u53d1\u5b89\u5168\u63a2\u8ba8\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01,\u89e3\u51b3\u5e76\u53d1\u5b89\u5168\u95ee\u9898\u7684\u65b9\u6cd5\u6709\uff1a1.\u4e92\u65a5\u9501\uff08Mutex\uff09\uff1a\u4ec5\u5141\u8bb8\u4e00\u4e2a\u534f\u7a0b\u8bbf\u95ee\u5171\u4eab\u6570\u636e\uff1b2.\u8bfb\u5199\u9501\uff08RWMutex\uff09\uff1a\u5141\u8bb8\u591a\u4e2a\u534f\u7a0b\u540c\u65f6\u8bfb\uff0c\u4f46\u4ec5\u4e00\u4e2a\u534f\u7a0b\u53ef\u5199\uff1b3.\u539f\u5b50\u64cd\u4f5c\uff1a\u4e0d\u53ef\u5206\u5272\u7684\u64cd\u4f5c\uff0c\u786e\u4fdd\u64cd\u4f5c\u8981\u4e48\u6210\u529f\u8981\u4e48\u5931\u8d25\u3002,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730024501671e1435a06dc.jpg\" class=\"aligncenter\">,<br \/>\n<strong>GoLang \u51fd\u6570\u4e4b\u5e76\u53d1\u5b89\u5168\u63a2\u8ba8<\/strong>,<br \/>\n<strong>\u7b80\u4ecb<\/strong>,\u5728\u5e76\u53d1\u7a0b\u5e8f\u4e2d\uff0c\u591a\u4e2a\u534f\u7a0b\u53ef\u4ee5\u540c\u65f6\u8c03\u7528\u540c\u4e00\u4e2a\u51fd\u6570\u3002\u56e0\u6b64\uff0c\u5982\u679c\u51fd\u6570\u8981\u64cd\u4f5c\u5171\u4eab\u6570\u636e\uff0c\u5c31\u9700\u8981\u8003\u8651\u5e76\u53d1\u5b89\u5168\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002,<br \/>\n<strong>\u89e3\u51b3\u5e76\u53d1\u5b89\u5168\u95ee\u9898\u7684\u65b9\u6cd5<\/strong>,\u89e3\u51b3\u5e76\u53d1\u5b89\u5168\u95ee\u9898\u6709\u51e0\u79cd\u65b9\u6cd5\uff1a,<br \/>\n<strong>\u6848\u4f8b\uff1a\u5e76\u53d1\u5b89\u5168\u7684\u8ba1\u6570\u5668<\/strong>,\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528\u8bfb\u5199\u9501\u5b9e\u73b0\u7684\u5e76\u53d1\u5b89\u5168\u7684\u8ba1\u6570\u5668\u793a\u4f8b\uff1a,<br \/>\n<strong>\u8f93\u51fa<\/strong>,\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u8bfb\u5199\u9501\u786e\u4fdd\u5728\u4efb\u4f55\u65f6\u5019\u53ea\u6709\u4e00\u4e2a\u534f\u7a0b\u53ef\u4ee5\u4fee\u6539\u8ba1\u6570\u5668\u7684\u503c\uff0c\u4ece\u800c\u4fdd\u8bc1\u4e86\u5e76\u53d1\u5b89\u5168\u6027\u3002\u5373\u4f7f\u6709\u591a\u4e2a\u534f\u7a0b\u5e76\u53d1\u5730\u5bf9\u8ba1\u6570\u5668\u8fdb\u884c\u52a0\u51cf\u64cd\u4f5c\uff0c\u6700\u7ec8\u5f97\u5230\u7684\u8ba1\u6570\u5668\u503c\u4e5f\u603b\u662f\u6b63\u786e\u7684\u3002,\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aGOLANG \u51fd\u6570\u4e4b\u5e76\u53d1\u5b89\u5168\u63a2\u8ba8\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\uff01,<br \/>\n<strong>\u8bfb\u5199\u9501\uff08RWMutex\uff09\uff1a<\/strong>\u8bfb\u5199\u9501\u662f\u4e00\u79cd\u9ad8\u7ea7\u7684\u540c\u6b65\u673a\u5236\uff0c\u5b83\u5141\u8bb8\u591a\u4e2a\u534f\u7a0b\u540c\u65f6\u8bfb\u53d6\u5171\u4eab\u6570\u636e\uff0c\u4f46\u540c\u65f6\u53ea\u6709\u4e00\u4e2a\u534f\u7a0b\u53ef\u4ee5\u5199\u5165\u5171\u4eab\u6570\u636e\u3002,<br \/>\n<strong>\u4e92\u65a5\u9501\uff08Mutex\uff09\uff1a<\/strong>\u4e92\u65a5\u9501\u662f\u4e00\u79cd\u4f4e\u7ea7\u7684\u540c\u6b65\u673a\u5236\uff0c\u5b83\u5141\u8bb8\u4e00\u6b21\u53ea\u5141\u8bb8\u4e00\u4e2a\u534f\u7a0b\u8bbf\u95ee\u5171\u4eab\u6570\u636e\u3002,<br \/>\n<strong>\u539f\u5b50\u64cd\u4f5c\uff1a<\/strong>\u539f\u5b50\u64cd\u4f5c\u662f\u4e0d\u53ef\u5206\u5272\u7684\u64cd\u4f5c\uff0c\u5b83\u786e\u4fdd\u64cd\u4f5c\u8981\u4e48\u5b8c\u5168\u6210\u529f\uff0c\u8981\u4e48\u5b8c\u5168\u5931\u8d25\u3002,IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929GOLANG\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300aGOLANG \u51fd\u6570\u4e4b\u5e76\u53d1\u5b89\u5168\u63a2\u8ba8\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\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>GOLANG \u51fd\u6570\u4e4b\u5e76\u53d1\u5b89\u5168\u63a2\u8ba8<\/span><\/p>\n<h1>GOLANG \u51fd\u6570\u4e4b\u5e76\u53d1\u5b89\u5168\u63a2\u8ba8<\/h1>\n<p><span>2024-10-27 18:21:56<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929GOLANG\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300aGOLANG \u51fd\u6570\u4e4b\u5e76\u53d1\u5b89\u5168\u63a2\u8ba8\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n<p>\u89e3\u51b3\u5e76\u53d1\u5b89\u5168\u95ee\u9898\u7684\u65b9\u6cd5\u6709\uff1a1.\u4e92\u65a5\u9501\uff08Mutex\uff09\uff1a\u4ec5\u5141\u8bb8\u4e00\u4e2a\u534f\u7a0b\u8bbf\u95ee\u5171\u4eab\u6570\u636e\uff1b2.\u8bfb\u5199\u9501\uff08RWMutex\uff09\uff1a\u5141\u8bb8\u591a\u4e2a\u534f\u7a0b\u540c\u65f6\u8bfb\uff0c\u4f46\u4ec5\u4e00\u4e2a\u534f\u7a0b\u53ef\u5199\uff1b3.\u539f\u5b50\u64cd\u4f5c\uff1a\u4e0d\u53ef\u5206\u5272\u7684\u64cd\u4f5c\uff0c\u786e\u4fdd\u64cd\u4f5c\u8981\u4e48\u6210\u529f\u8981\u4e48\u5931\u8d25\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730024501671e1435a06dc.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>GoLang \u51fd\u6570\u4e4b\u5e76\u53d1\u5b89\u5168\u63a2\u8ba8<\/strong><\/p>\n<p><strong>\u7b80\u4ecb<\/strong><\/p>\n<p>\u5728\u5e76\u53d1\u7a0b\u5e8f\u4e2d\uff0c\u591a\u4e2a\u534f\u7a0b\u53ef\u4ee5\u540c\u65f6\u8c03\u7528\u540c\u4e00\u4e2a\u51fd\u6570\u3002\u56e0\u6b64\uff0c\u5982\u679c\u51fd\u6570\u8981\u64cd\u4f5c\u5171\u4eab\u6570\u636e\uff0c\u5c31\u9700\u8981\u8003\u8651\u5e76\u53d1\u5b89\u5168\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n<p><strong>\u89e3\u51b3\u5e76\u53d1\u5b89\u5168\u95ee\u9898\u7684\u65b9\u6cd5<\/strong><\/p>\n<p>\u89e3\u51b3\u5e76\u53d1\u5b89\u5168\u95ee\u9898\u6709\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li><strong>\u4e92\u65a5\u9501\uff08Mutex\uff09\uff1a<\/strong>\u4e92\u65a5\u9501\u662f\u4e00\u79cd\u4f4e\u7ea7\u7684\u540c\u6b65\u673a\u5236\uff0c\u5b83\u5141\u8bb8\u4e00\u6b21\u53ea\u5141\u8bb8\u4e00\u4e2a\u534f\u7a0b\u8bbf\u95ee\u5171\u4eab\u6570\u636e\u3002<\/li>\n<li><strong>\u8bfb\u5199\u9501\uff08RWMutex\uff09\uff1a<\/strong>\u8bfb\u5199\u9501\u662f\u4e00\u79cd\u9ad8\u7ea7\u7684\u540c\u6b65\u673a\u5236\uff0c\u5b83\u5141\u8bb8\u591a\u4e2a\u534f\u7a0b\u540c\u65f6\u8bfb\u53d6\u5171\u4eab\u6570\u636e\uff0c\u4f46\u540c\u65f6\u53ea\u6709\u4e00\u4e2a\u534f\u7a0b\u53ef\u4ee5\u5199\u5165\u5171\u4eab\u6570\u636e\u3002<\/li>\n<li><strong>\u539f\u5b50\u64cd\u4f5c\uff1a<\/strong>\u539f\u5b50\u64cd\u4f5c\u662f\u4e0d\u53ef\u5206\u5272\u7684\u64cd\u4f5c\uff0c\u5b83\u786e\u4fdd\u64cd\u4f5c\u8981\u4e48\u5b8c\u5168\u6210\u529f\uff0c\u8981\u4e48\u5b8c\u5168\u5931\u8d25\u3002<\/li>\n<\/ul>\n<p><strong>\u6848\u4f8b\uff1a\u5e76\u53d1\u5b89\u5168\u7684\u8ba1\u6570\u5668<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528\u8bfb\u5199\u9501\u5b9e\u73b0\u7684\u5e76\u53d1\u5b89\u5168\u7684\u8ba1\u6570\u5668\u793a\u4f8b\uff1a<\/p>\n<pre>import (\n    \"sync\"\n    \"time\"\n)\n\ntype Counter struct {\n    mu sync.RWMutex\n    count int\n}\n\nfunc (c *Counter) Inc() {\n    c.mu.Lock()\n    c.count++\n    c.mu.Unlock()\n}\n\nfunc (c *Counter) Dec() {\n    c.mu.Lock()\n    c.count--\n    c.mu.Unlock()\n}\n\nfunc (c *Counter) Get() int {\n    c.mu.RLock()\n    count := c.count\n    c.mu.RUnlock()\n    return count\n}\n\nfunc main() {\n    var wg sync.WaitGroup\n    var c Counter\n\n    \/\/ \u5e76\u53d1\u5730\u5bf9\u8ba1\u6570\u5668\u8fdb\u884c 1000 \u6b21\u52a0\u64cd\u4f5c\n    for i := 0; i &lt; 1000; i++ {\n        wg.Add(1)\n        go func() {\n            c.Inc()\n            wg.Done()\n        }()\n    }\n\n    \/\/ \u5e76\u53d1\u5730\u5bf9\u8ba1\u6570\u5668\u8fdb\u884c 500 \u6b21\u51cf\u64cd\u4f5c\n    for i := 0; i &lt; 500; i++ {\n        wg.Add(1)\n        go func() {\n            c.Dec()\n            wg.Done()\n        }()\n    }\n\n    \/\/ \u7b49\u5f85\u6240\u6709\u5e76\u53d1\u64cd\u4f5c\u5b8c\u6210\n    wg.Wait()\n\n    \/\/ \u83b7\u53d6\u8ba1\u6570\u5668\u7684\u6700\u7ec8\u503c\n    count := c.Get()\n    fmt.Println(\"\u6700\u7ec8\u8ba1\u6570\u5668\u503c\uff1a\", count)\n}<\/pre>\n<p><strong>\u8f93\u51fa<\/strong><\/p>\n<pre>\u6700\u7ec8\u8ba1\u6570\u5668\u503c\uff1a 500<\/pre>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u8bfb\u5199\u9501\u786e\u4fdd\u5728\u4efb\u4f55\u65f6\u5019\u53ea\u6709\u4e00\u4e2a\u534f\u7a0b\u53ef\u4ee5\u4fee\u6539\u8ba1\u6570\u5668\u7684\u503c\uff0c\u4ece\u800c\u4fdd\u8bc1\u4e86\u5e76\u53d1\u5b89\u5168\u6027\u3002\u5373\u4f7f\u6709\u591a\u4e2a\u534f\u7a0b\u5e76\u53d1\u5730\u5bf9\u8ba1\u6570\u5668\u8fdb\u884c\u52a0\u51cf\u64cd\u4f5c\uff0c\u6700\u7ec8\u5f97\u5230\u7684\u8ba1\u6570\u5668\u503c\u4e5f\u603b\u662f\u6b63\u786e\u7684\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aGOLANG \u51fd\u6570\u4e4b\u5e76\u53d1\u5b89\u5168\u63a2\u8ba8\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u51fd\u6570\u5f0f\u7f16\u7a0b\u5728Java\u4e2d\u7684\u4f18\u52bf\u548c\u7f3a\u70b9\u9610\u8ff0\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u5b89\u88c5\u548c\u4f7f\u7528 NVM \u7ba1\u7406\u591a\u4e2a Nodejs \u7248\u672c\n 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