{"id":205707,"date":"2025-06-12T11:03:39","date_gmt":"2025-06-12T03:03:39","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205707\/"},"modified":"2025-06-12T11:03:39","modified_gmt":"2025-06-12T03:03:39","slug":"golang-%e5%87%bd%e6%95%b0%e5%a6%82%e4%bd%95%e5%9c%a8%e5%b9%b6%e5%8f%91%e4%bb%bb%e5%8a%a1%e4%b8%ad%e4%bd%bf%e7%94%a8%e9%94%81%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205707\/","title":{"rendered":"Golang \u51fd\u6570\u5982\u4f55\u5728\u5e76\u53d1\u4efb\u52a1\u4e2d\u4f7f\u7528\u9501\uff1f"},"content":{"rendered":"

GOLANG<\/span>\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd
\n\u300aGOLANG \u51fd\u6570\u5982\u4f55\u5728\u5e76\u53d1\u4efb\u52a1\u4e2d\u4f7f\u7528\u9501\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01
\n
,\u5e76\u53d1 Go \u51fd\u6570\u4e2d\u4f7f\u7528\u9501\u6765\u4fdd\u62a4\u5171\u4eab\u6570\u636e\uff0c\u4ee5\u907f\u514d\u6570\u636e\u7ade\u6001\u5e76\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027\u3002\u9996\u5148\uff0c\u521b\u5efa Mutex \u5b9e\u4f8b\uff08\u57fa\u672c\u9501\uff09\u5e76\u4f7f\u7528 Lock() \u548c Unlock() \u65b9\u6cd5\u83b7\u53d6\u548c\u91ca\u653e\u9501\u6765\u4fdd\u62a4\u9700\u8981\u4fdd\u62a4\u7684\u4ee3\u7801\u6bb5\u3002\u5b9e\u6218\u6848\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528 Mutex \u6765\u4fdd\u62a4\u5e76\u53d1\u8ba1\u6570\u5668\uff0c\u591a\u4e2a\u534f\u7a0b\u540c\u65f6\u5bf9\u5b83\u8fdb\u884c\u589e\u91cf\u64cd\u4f5c\u3002,
\n,
\n\u5982\u4f55\u4f7f\u7528\u9501\u6765\u4fdd\u62a4\u5e76\u53d1 Go \u51fd\u6570<\/strong>,\u5728\u5e76\u53d1 Go \u7a0b\u5e8f\u4e2d\uff0c\u591a\u4e2a\u534f\u7a0b\u540c\u65f6\u8bbf\u95ee\u5171\u4eab\u6570\u636e\u65f6\uff0c\u6709\u5fc5\u8981\u4f7f\u7528\u9501\u6765\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027\u548c\u907f\u514d\u6570\u636e\u7ade\u6001\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5982\u4f55\u5728 Go \u51fd\u6570\u4e2d\u4f7f\u7528\u9501\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e2a\u5b9e\u6218\u6848\u4f8b\u3002,
\n\u4f7f\u7528 Mutex<\/strong>,Mutex\uff08\u4e92\u65a5\u9501\uff09\u662f\u4e00\u4e2a\u57fa\u672c\u9501\uff0c\u5b83\u4fdd\u8bc1\u540c\u4e00\u65f6\u523b\u53ea\u6709\u4e00\u4e2a\u534f\u7a0b\u53ef\u4ee5\u8bbf\u95ee\u53d7\u4fdd\u62a4\u7684\u8d44\u6e90\u3002\u8981\u4f7f\u7528 Mutex\uff0c\u9996\u5148\u9700\u8981\u521b\u5efa\u4e00\u4e2a Mutex \u5b9e\u4f8b\uff1a,\u7136\u540e\uff0c\u5728\u9700\u8981\u4fdd\u62a4\u7684\u4ee3\u7801\u6bb5\u4e2d\uff0c\u4f7f\u7528 Lock() \u548c Unlock() \u65b9\u6cd5\u6765\u83b7\u53d6\u548c\u91ca\u653e\u9501\uff1a,
\n\u5b9e\u6218\u6848\u4f8b\uff1a\u5e76\u53d1\u8ba1\u6570\u5668<\/strong>,\u8003\u8651\u4e00\u4e2a\u5e76\u53d1\u8ba1\u6570\u5668\uff0c\u591a\u4e2a\u534f\u7a0b\u540c\u65f6\u5bf9\u5b83\u8fdb\u884c\u589e\u91cf\u64cd\u4f5c\u3002\u5982\u679c\u4e0d\u4f7f\u7528\u9501\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u6570\u636e\u7ade\u6001\uff0c\u5bfc\u81f4\u8ba1\u6570\u5668\u503c\u4e0d\u51c6\u786e\u3002,\u53ef\u4ee5\u4f7f\u7528 Mutex \u6765\u4fdd\u62a4\u5e76\u53d1\u8ba1\u6570\u5668\uff1a,
\n\u7ed3\u8bba<\/strong>,\u4f7f\u7528\u9501\u53ef\u4ee5\u6709\u6548\u5730\u4fdd\u62a4\u5e76\u53d1 Go \u51fd\u6570\u4e2d\u7684\u5171\u4eab\u6570\u636e\uff0c\u9632\u6b62\u6570\u636e\u7ade\u6001\u548c\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027\u3002\u672c\u6587\u4e2d\u7684\u5b9e\u6218\u6848\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528 Mutex \u6765\u4fdd\u62a4\u5e76\u53d1\u8ba1\u6570\u5668\u3002,\u6587\u4e2d\u5173\u4e8e\u9501,\u5e76\u53d1\u4efb\u52a1\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aGOLANG \u51fd\u6570\u5982\u4f55\u5728\u5e76\u53d1\u4efb\u52a1\u4e2d\u4f7f\u7528\u9501\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002,
\nGOLANG<\/span>\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd
\n\u300aGOLANG \u51fd\u6570\u5982\u4f55\u5728\u5e76\u53d1\u4efb\u52a1\u4e2d\u4f7f\u7528\u9501\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01
\n
,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> GOLANG \u51fd\u6570\u5982\u4f55\u5728\u5e76\u53d1\u4efb\u52a1\u4e2d\u4f7f\u7528\u9501\uff1f<\/span><\/p>\n

GOLANG \u51fd\u6570\u5982\u4f55\u5728\u5e76\u53d1\u4efb\u52a1\u4e2d\u4f7f\u7528\u9501\uff1f<\/h1>\n

2024-10-26 20:40:59<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

GOLANG<\/span>\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300aGOLANG \u51fd\u6570\u5982\u4f55\u5728\u5e76\u53d1\u4efb\u52a1\u4e2d\u4f7f\u7528\u9501\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01<\/p>\n

\u5e76\u53d1 Go \u51fd\u6570\u4e2d\u4f7f\u7528\u9501\u6765\u4fdd\u62a4\u5171\u4eab\u6570\u636e\uff0c\u4ee5\u907f\u514d\u6570\u636e\u7ade\u6001\u5e76\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027\u3002\u9996\u5148\uff0c\u521b\u5efa Mutex \u5b9e\u4f8b\uff08\u57fa\u672c\u9501\uff09\u5e76\u4f7f\u7528 Lock() \u548c Unlock() \u65b9\u6cd5\u83b7\u53d6\u548c\u91ca\u653e\u9501\u6765\u4fdd\u62a4\u9700\u8981\u4fdd\u62a4\u7684\u4ee3\u7801\u6bb5\u3002\u5b9e\u6218\u6848\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528 Mutex \u6765\u4fdd\u62a4\u5e76\u53d1\u8ba1\u6570\u5668\uff0c\u591a\u4e2a\u534f\u7a0b\u540c\u65f6\u5bf9\u5b83\u8fdb\u884c\u589e\u91cf\u64cd\u4f5c\u3002<\/p>\n

<\/p>\n

\u5982\u4f55\u4f7f\u7528\u9501\u6765\u4fdd\u62a4\u5e76\u53d1 Go \u51fd\u6570<\/strong><\/p>\n

\u5728\u5e76\u53d1 Go \u7a0b\u5e8f\u4e2d\uff0c\u591a\u4e2a\u534f\u7a0b\u540c\u65f6\u8bbf\u95ee\u5171\u4eab\u6570\u636e\u65f6\uff0c\u6709\u5fc5\u8981\u4f7f\u7528\u9501\u6765\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027\u548c\u907f\u514d\u6570\u636e\u7ade\u6001\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5982\u4f55\u5728 Go \u51fd\u6570\u4e2d\u4f7f\u7528\u9501\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e2a\u5b9e\u6218\u6848\u4f8b\u3002<\/p>\n

\u4f7f\u7528 Mutex<\/strong><\/p>\n

Mutex\uff08\u4e92\u65a5\u9501\uff09\u662f\u4e00\u4e2a\u57fa\u672c\u9501\uff0c\u5b83\u4fdd\u8bc1\u540c\u4e00\u65f6\u523b\u53ea\u6709\u4e00\u4e2a\u534f\u7a0b\u53ef\u4ee5\u8bbf\u95ee\u53d7\u4fdd\u62a4\u7684\u8d44\u6e90\u3002\u8981\u4f7f\u7528 Mutex\uff0c\u9996\u5148\u9700\u8981\u521b\u5efa\u4e00\u4e2a Mutex \u5b9e\u4f8b\uff1a<\/p>\n

var mu sync.Mutex<\/pre>\n
\u7136\u540e\uff0c\u5728\u9700\u8981\u4fdd\u62a4\u7684\u4ee3\u7801\u6bb5\u4e2d\uff0c\u4f7f\u7528 Lock() \u548c Unlock() \u65b9\u6cd5\u6765\u83b7\u53d6\u548c\u91ca\u653e\u9501\uff1a<\/p>\n
func protect(a int) int {\n    mu.Lock()\n    defer mu.Unlock()\n\n    \/\/ \u53d7\u4fdd\u62a4\u7684\u4ee3\u7801\n    return a + 1\n}<\/pre>\n
\u5b9e\u6218\u6848\u4f8b\uff1a\u5e76\u53d1\u8ba1\u6570\u5668<\/strong><\/p>\n
\u8003\u8651\u4e00\u4e2a\u5e76\u53d1\u8ba1\u6570\u5668\uff0c\u591a\u4e2a\u534f\u7a0b\u540c\u65f6\u5bf9\u5b83\u8fdb\u884c\u589e\u91cf\u64cd\u4f5c\u3002\u5982\u679c\u4e0d\u4f7f\u7528\u9501\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u6570\u636e\u7ade\u6001\uff0c\u5bfc\u81f4\u8ba1\u6570\u5668\u503c\u4e0d\u51c6\u786e\u3002<\/p>\n
\u53ef\u4ee5\u4f7f\u7528 Mutex \u6765\u4fdd\u62a4\u5e76\u53d1\u8ba1\u6570\u5668\uff1a<\/p>\n
package main\n\nimport (\n    \"fmt\"\n    \"runtime\"\n    \"sync\"\n)\n\n\/\/ \u8ba1\u6570\u5668\u7ed3\u6784\ntype Counter struct {\n    mu sync.Mutex\n    Count int\n}\n\n\/\/ \u5bf9\u8ba1\u6570\u5668\u8fdb\u884c\u589e\u91cf\u64cd\u4f5c\nfunc (c *Counter) Increment() {\n    c.mu.Lock()\n    defer c.mu.Unlock()\n\n    c.Count++\n}\n\nfunc main() {\n    \/\/ \u521b\u5efa\u8ba1\u6570\u5668\n    c := Counter{}\n\n    \/\/ \u521b\u5efa\u534f\u7a0b\u5e76\u8fdb\u884c\u5e76\u53d1\u589e\u91cf\u64cd\u4f5c\n    for i := 0; i < 10; i++ {\n        go c.Increment()\n    }\n\n    \/\/ \u7b49\u5f85\u6240\u6709\u534f\u7a0b\u5b8c\u6210\n    runtime.Gosched()\n\n    \/\/ \u6253\u5370\u6700\u7ec8\u8ba1\u6570\u5668\u503c\n    fmt.Println(c.Count)\n}<\/pre>\n
\u7ed3\u8bba<\/strong><\/p>\n
\u4f7f\u7528\u9501\u53ef\u4ee5\u6709\u6548\u5730\u4fdd\u62a4\u5e76\u53d1 Go \u51fd\u6570\u4e2d\u7684\u5171\u4eab\u6570\u636e\uff0c\u9632\u6b62\u6570\u636e\u7ade\u6001\u548c\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027\u3002\u672c\u6587\u4e2d\u7684\u5b9e\u6218\u6848\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528 Mutex \u6765\u4fdd\u62a4\u5e76\u53d1\u8ba1\u6570\u5668\u3002<\/p>\n
\u6587\u4e2d\u5173\u4e8e\u9501,\u5e76\u53d1\u4efb\u52a1\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aGOLANG \u51fd\u6570\u5982\u4f55\u5728\u5e76\u53d1\u4efb\u52a1\u4e2d\u4f7f\u7528\u9501\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n
\n
\n <\/dt>\n
\n   Java \u51fd\u6570\u91cd\u7528\u4e0e\u6a21\u5757\u5316\u8bbe\u8ba1\u7684\u8054\u7cfb\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   PHP \u51fd\u6570\u5982\u4f55\u4e0e R \u4ea4\u4e92\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
GOLANG\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f...<\/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-205707","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205707","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=205707"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205707\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205707"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205707"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205707"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}