{"id":205531,"date":"2025-06-12T10:34:38","date_gmt":"2025-06-12T02:34:38","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205531\/"},"modified":"2025-06-12T10:34:38","modified_gmt":"2025-06-12T02:34:38","slug":"golang-%e5%87%bd%e6%95%b0%e5%b9%b6%e5%8f%91%e7%bc%96%e7%a8%8b%e7%9a%84%e9%94%81%e4%bd%bf%e7%94%a8%e6%9c%89%e5%93%aa%e4%ba%9b%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205531\/","title":{"rendered":"Golang \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u9501\u4f7f\u7528\u6709\u54ea\u4e9b\u6ce8\u610f\u4e8b\u9879\uff1f"},"content":{"rendered":"

\u6709\u5fd7\u8005\uff0c\u4e8b\u7adf\u6210\uff01\u5982\u679c\u4f60\u5728\u5b66\u4e60GOLANG<\/span>\uff0c\u90a3\u4e48\u672c\u6587\u300aGOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u9501\u4f7f\u7528\u6709\u54ea\u4e9b\u6ce8\u610f\u4e8b\u9879\uff1f\u300b<\/span>\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff01\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec<\/span>\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/span>,Go \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u4f7f\u7528\u9501\u9700\u6ce8\u610f\uff1a\u907f\u514d\u6b7b\u9501\uff1a\u6b63\u786e\u83b7\u53d6\u548c\u91ca\u653e\u9501\u3002\u907f\u514d\u7ade\u6001\u6761\u4ef6\uff1a\u4ec5\u5728\u83b7\u53d6\u9501\u540e\u4fee\u6539\u5171\u4eab\u6570\u636e\u3002\u8003\u8651\u9501\u7684\u7c92\u5ea6\uff1a\u7ec6\u7c92\u5ea6\u9501\u5e76\u53d1\u6027\u9ad8\u4f46\u5f00\u9500\u5927\u3002\u4f7f\u7528 RWMutex \u5b9e\u73b0\u8bfb\u5199\u9501\uff1a\u5e76\u53d1\u8bfb\u53d6\uff0c\u72ec\u5360\u5199\u5165\u3002,
\n,
\nGo \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u9501\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879<\/strong>,Go \u4e2d\u7684\u5e76\u53d1\u7f16\u7a0b\u4f9d\u8d56\u4e8e\u9501\u6765\u4fdd\u8bc1\u5e76\u53d1\u5b89\u5168\u548c\u6570\u636e\u5b8c\u6574\u6027\u3002\u4f7f\u7528\u9501\u65f6\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u4e8b\u9879\uff1a,
\n1. \u907f\u514d\u6b7b\u9501<\/strong>,\u6b7b\u9501\u662f\u6307\u4e24\u4e2a\u6216\u591a\u4e2a goroutine \u7531\u4e8e\u7b49\u5f85\u9501\u800c\u65e0\u9650\u671f\u5730\u963b\u585e\u3002\u907f\u514d\u6b7b\u9501\u7684\u5e38\u89c1\u65b9\u6cd5\u662f\uff1a,
\n2. \u907f\u514d\u7ade\u6001\u6761\u4ef6<\/strong>,\u7ade\u6001\u6761\u4ef6\u662f\u6307\u5bf9\u5171\u4eab\u6570\u636e\u8fdb\u884c\u591a\u4e2a\u5e76\u884c\u8bbf\u95ee\uff0c\u5bfc\u81f4\u4e0d\u53ef\u9884\u671f\u7684\u7ed3\u679c\u3002\u8981\u907f\u514d\u7ade\u6001\u6761\u4ef6\uff0c\u8bf7\u786e\u4fdd\u4ee5\u4e0b\u4e00\u9879\u4e3a\u771f\uff1a,\u4f8b\u5982\uff1a,
\n3. \u8003\u8651\u9501\u7684\u7c92\u5ea6<\/strong>,\u9501\u7684\u7c92\u5ea6\u51b3\u5b9a\u4e86\u5b83\u4eec\u63a7\u5236\u7684\u4ee3\u7801\u8303\u56f4\u3002\u8f83\u7c97\u7c92\u5ea6\u7684\u9501\u4fdd\u62a4\u66f4\u5927\u7684\u4ee3\u7801\u6bb5\uff0c\u4ece\u800c\u51cf\u5c11\u4e86\u5e76\u53d1\u7684\u673a\u4f1a\u3002\u8f83\u7ec6\u7c92\u5ea6\u7684\u9501\u63d0\u4f9b\u66f4\u9ad8\u7a0b\u5ea6\u7684\u5e76\u53d1\uff0c\u4f46\u4f1a\u589e\u52a0\u5f00\u9500\u3002,
\n4. \u4f7f\u7528 RWMutex \u5b9e\u73b0\u8bfb\u5199\u9501<\/strong>,RwMutex \u662f\u4e00\u79cd\u7279\u6b8a\u7684\u9501\uff0c\u5141\u8bb8\u5e76\u53d1\u7684\u8bfb\u53d6\u64cd\u4f5c\uff0c\u4f46\u5199\u5165\u64cd\u4f5c\u9700\u8981\u72ec\u5360\u9501\u5b9a\u3002\u8fd9\u63d0\u9ad8\u4e86\u5e76\u53d1\u6027\uff0c\u540c\u65f6\u4fdd\u6301\u4e86\u5199\u5165\u64cd\u4f5c\u7684\u6570\u636e\u5b8c\u6574\u6027\u3002,\u4f8b\u5982\uff1a,
\n\u5b9e\u6218\u6848\u4f8b<\/strong>,\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528\u9501\u7684\u5e76\u53d1\u7f13\u5b58\u7684\u793a\u4f8b\uff1a,\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~,\u5171\u4eab\u6570\u636e\u4ec5\u5728\u83b7\u53d6\u9501\u540e\u4fee\u6539\u3002,\u53ea\u6709\u4e00\u4e2a goroutine \u5728\u4efb\u4f55\u7ed9\u5b9a\u65f6\u95f4\u83b7\u53d6\u9501\u3002,
\n\u6709\u5fd7\u8005\uff0c\u4e8b\u7adf\u6210\uff01\u5982\u679c\u4f60\u5728\u5b66\u4e60GOLANG<\/span>\uff0c\u90a3\u4e48\u672c\u6587\u300aGOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u9501\u4f7f\u7528\u6709\u54ea\u4e9b\u6ce8\u610f\u4e8b\u9879\uff1f\u300b<\/span>\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff01\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec<\/span>\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/span>,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> GOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u9501\u4f7f\u7528\u6709\u54ea\u4e9b\u6ce8\u610f\u4e8b\u9879\uff1f<\/span><\/p>\n

GOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u9501\u4f7f\u7528\u6709\u54ea\u4e9b\u6ce8\u610f\u4e8b\u9879\uff1f<\/h1>\n

2024-10-26 13:25:00<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u6709\u5fd7\u8005\uff0c\u4e8b\u7adf\u6210\uff01\u5982\u679c\u4f60\u5728\u5b66\u4e60GOLANG<\/span>\uff0c\u90a3\u4e48\u672c\u6587\u300aGOLANG \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u9501\u4f7f\u7528\u6709\u54ea\u4e9b\u6ce8\u610f\u4e8b\u9879\uff1f\u300b<\/span>\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff01\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec<\/span>\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/span><\/p>\n

Go \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u4f7f\u7528\u9501\u9700\u6ce8\u610f\uff1a\u907f\u514d\u6b7b\u9501\uff1a\u6b63\u786e\u83b7\u53d6\u548c\u91ca\u653e\u9501\u3002\u907f\u514d\u7ade\u6001\u6761\u4ef6\uff1a\u4ec5\u5728\u83b7\u53d6\u9501\u540e\u4fee\u6539\u5171\u4eab\u6570\u636e\u3002\u8003\u8651\u9501\u7684\u7c92\u5ea6\uff1a\u7ec6\u7c92\u5ea6\u9501\u5e76\u53d1\u6027\u9ad8\u4f46\u5f00\u9500\u5927\u3002\u4f7f\u7528 RWMutex \u5b9e\u73b0\u8bfb\u5199\u9501\uff1a\u5e76\u53d1\u8bfb\u53d6\uff0c\u72ec\u5360\u5199\u5165\u3002<\/p>\n

<\/p>\n

Go \u51fd\u6570\u5e76\u53d1\u7f16\u7a0b\u7684\u9501\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n

Go \u4e2d\u7684\u5e76\u53d1\u7f16\u7a0b\u4f9d\u8d56\u4e8e\u9501\u6765\u4fdd\u8bc1\u5e76\u53d1\u5b89\u5168\u548c\u6570\u636e\u5b8c\u6574\u6027\u3002\u4f7f\u7528\u9501\u65f6\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u4e8b\u9879\uff1a<\/p>\n

1. \u907f\u514d\u6b7b\u9501<\/strong><\/p>\n

\u6b7b\u9501\u662f\u6307\u4e24\u4e2a\u6216\u591a\u4e2a goroutine \u7531\u4e8e\u7b49\u5f85\u9501\u800c\u65e0\u9650\u671f\u5730\u963b\u585e\u3002\u907f\u514d\u6b7b\u9501\u7684\u5e38\u89c1\u65b9\u6cd5\u662f\uff1a<\/p>\n

\/\/ \u4f7f\u7528\u9501\u7684\u6b63\u786e\u65b9\u5f0f\uff1a\u5148\u83b7\u53d6\u9501\uff0c\u518d\u6267\u884c\u64cd\u4f5c\nmu.Lock()\ndefer mu.Unlock()\n... \/\/ \u6267\u884c\u64cd\u4f5c<\/pre>\n
2. \u907f\u514d\u7ade\u6001\u6761\u4ef6<\/strong><\/p>\n
\u7ade\u6001\u6761\u4ef6\u662f\u6307\u5bf9\u5171\u4eab\u6570\u636e\u8fdb\u884c\u591a\u4e2a\u5e76\u884c\u8bbf\u95ee\uff0c\u5bfc\u81f4\u4e0d\u53ef\u9884\u671f\u7684\u7ed3\u679c\u3002\u8981\u907f\u514d\u7ade\u6001\u6761\u4ef6\uff0c\u8bf7\u786e\u4fdd\u4ee5\u4e0b\u4e00\u9879\u4e3a\u771f\uff1a<\/p>\n
    \n
  • \u53ea\u6709\u4e00\u4e2a goroutine \u5728\u4efb\u4f55\u7ed9\u5b9a\u65f6\u95f4\u83b7\u53d6\u9501\u3002<\/li>\n
  • \u5171\u4eab\u6570\u636e\u4ec5\u5728\u83b7\u53d6\u9501\u540e\u4fee\u6539\u3002<\/li>\n<\/ul>\n
    \u4f8b\u5982\uff1a<\/p>\n
    \/\/ \u4f7f\u7528\u9501\u9632\u6b62\u7ade\u6001\u6761\u4ef6\uff1a\u4ec5\u5f53\u6301\u6709\u9501\u65f6\u624d\u4fee\u6539\u5171\u4eab\u6570\u636e\nvar count int\n\nfunc incrementCount() {\n    mu.Lock()\n    defer mu.Unlock()\n    count++\n}<\/pre>\n
    3. \u8003\u8651\u9501\u7684\u7c92\u5ea6<\/strong><\/p>\n
    \u9501\u7684\u7c92\u5ea6\u51b3\u5b9a\u4e86\u5b83\u4eec\u63a7\u5236\u7684\u4ee3\u7801\u8303\u56f4\u3002\u8f83\u7c97\u7c92\u5ea6\u7684\u9501\u4fdd\u62a4\u66f4\u5927\u7684\u4ee3\u7801\u6bb5\uff0c\u4ece\u800c\u51cf\u5c11\u4e86\u5e76\u53d1\u7684\u673a\u4f1a\u3002\u8f83\u7ec6\u7c92\u5ea6\u7684\u9501\u63d0\u4f9b\u66f4\u9ad8\u7a0b\u5ea6\u7684\u5e76\u53d1\uff0c\u4f46\u4f1a\u589e\u52a0\u5f00\u9500\u3002<\/p>\n
    4. \u4f7f\u7528 RWMutex \u5b9e\u73b0\u8bfb\u5199\u9501<\/strong><\/p>\n
    RwMutex \u662f\u4e00\u79cd\u7279\u6b8a\u7684\u9501\uff0c\u5141\u8bb8\u5e76\u53d1\u7684\u8bfb\u53d6\u64cd\u4f5c\uff0c\u4f46\u5199\u5165\u64cd\u4f5c\u9700\u8981\u72ec\u5360\u9501\u5b9a\u3002\u8fd9\u63d0\u9ad8\u4e86\u5e76\u53d1\u6027\uff0c\u540c\u65f6\u4fdd\u6301\u4e86\u5199\u5165\u64cd\u4f5c\u7684\u6570\u636e\u5b8c\u6574\u6027\u3002<\/p>\n
    \u4f8b\u5982\uff1a<\/p>\n
    type Counter struct {\n    mu     sync.RWMutex\n    count  int\n}\nfunc (c *Counter) Increment() {\n    c.mu.Lock()\n    defer c.mu.Unlock()\n    c.count++\n}\nfunc (c *Counter) Read() int {\n    c.mu.RLock()\n    defer c.mu.RUnlock()\n    return c.count\n}<\/pre>\n
    \u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
    \u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528\u9501\u7684\u5e76\u53d1\u7f13\u5b58\u7684\u793a\u4f8b\uff1a<\/p>\n
    package main\n\nimport (\n    \"sync\"\n)\n\ntype Cache struct {\n    mu    sync.Mutex\n    items map[string]string\n}\n\nfunc (c *Cache) Get(key string) (string, bool) {\n    c.mu.Lock()\n    defer c.mu.Unlock()\n    val, ok := c.items[key]\n    return val, ok\n}\n\nfunc (c *Cache) Set(key, value string) {\n    c.mu.Lock()\n    defer c.mu.Unlock()\n    c.items[key] = value\n}\n\nfunc main() {\n    \/\/ \u521b\u5efa\u5e76\u53d1\u7f13\u5b58\n    cache := &Cache{\n        mu:    sync.Mutex{},\n        items: make(map[string]string),\n    }\n\n    \/\/ \u5e76\u53d1\u5730\u5411\u7f13\u5b58\u6dfb\u52a0\u548c\u83b7\u53d6\u9879\n    go cache.Set(\"foo\", \"bar\")\n    val, ok := cache.Get(\"foo\")\n    if ok {\n        println(val) \/\/ \u8f93\u51fa \"bar\"\n    }\n}<\/pre>\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   \u6c5f\u82cf\u65e0\u9521\u6709\u54ea\u4e9b\u7535\u8111\u57ce\uff1f\n <\/dd>\n<\/dl>\n
    \n
    \n <\/dt>\n
    \n   golang\u6846\u67b6\u4e0e\u5176\u4ed6\u6846\u67b6\u7684\u5b66\u4e60\u66f2\u7ebf\u5bf9\u6bd4\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
    \u6709\u5fd7\u8005\uff0c\u4e8b\u7adf\u6210\uff01\u5982\u679c\u4f60\u5728\u5b66\u4e60GO...<\/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-205531","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205531","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=205531"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205531\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}