{"id":205593,"date":"2025-06-12T09:49:37","date_gmt":"2025-06-12T01:49:37","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205593\/"},"modified":"2025-06-12T09:49:37","modified_gmt":"2025-06-12T01:49:37","slug":"golang%e6%a1%86%e6%9e%b6%e5%9c%a8%e9%ab%98%e5%b9%b6%e5%8f%91%e5%9c%ba%e6%99%af%e4%b8%ad%e7%9a%84%e5%8d%8f%e7%a8%8b%e9%80%9a%e4%bf%a1","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205593\/","title":{"rendered":"golang\u6846\u67b6\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e2d\u7684\u534f\u7a0b\u901a\u4fe1"},"content":{"rendered":"

\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd
\n\u300agolang\u6846\u67b6\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e2d\u7684\u534f\u7a0b\u901a\u4fe1\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01,\u5728 Go \u534f\u7a0b\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\uff0c\u901a\u8fc7\u7279\u5b9a\u7684\u901a\u4fe1\u65b9\u5f0f\u53ef\u786e\u4fdd\u534f\u7a0b\u95f4\u5b89\u5168\u9ad8\u6548\u7684\u6570\u636e\u4ea4\u6362\u3002\u7ba1\u9053\u63d0\u4f9b\u7f13\u51b2\u533a\uff0c\u5141\u8bb8\u534f\u7a0b\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002CSP \u6a21\u5f0f\u9650\u5236\u901a\u4fe1\u987a\u5e8f\uff0c\u5b9e\u73b0\u5e76\u53d1\u5b89\u5168\u3002\u7ba1\u9053\u548c CSP \u5747\u53ef\u7528\u4e8e\u5b9e\u6218\uff0c\u5982\u5e76\u884c\u722c\u866b\uff0c\u901a\u8fc7\u7ba1\u9053\u5c06\u6293\u53d6\u5230\u7684\u6570\u636e\u53d1\u9001\u5230\u4e3b\u534f\u7a0b\u8fdb\u884c\u5904\u7406\u3002,
\n,
\nGOLANG \u6846\u67b6\u4e2d\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u7684\u534f\u7a0b\u901a\u4fe1<\/strong>,\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\uff0cGOLANG \u534f\u7a0b\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u5e76\u53d1\u673a\u5236\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u4e3a\u4e86\u5728\u534f\u7a0b\u4e4b\u95f4\u5b89\u5168\u9ad8\u6548\u5730\u8fdb\u884c\u901a\u4fe1\uff0c\u9700\u8981\u4f7f\u7528\u7279\u5b9a\u7684\u901a\u4fe1\u65b9\u5f0f\u3002,
\n\u7ba1\u9053<\/strong>,\u7ba1\u9053\u662f Go \u8bed\u8a00\u4e2d\u4e00\u79cd\u5e38\u7528\u7684\u534f\u7a0b\u95f4\u901a\u4fe1\u65b9\u5f0f\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7f13\u51b2\u533a\uff0c\u5141\u8bb8\u534f\u7a0b\u4e4b\u95f4\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002,\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u6570\u636e\u901a\u8fc7\u7ba1\u9053\u4ece\u4e00\u4e2a\u534f\u7a0b\u53d1\u9001\u5230\u53e6\u4e00\u4e2a\u534f\u7a0b\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u534f\u7a0b\u95f4\u7684\u901a\u4fe1\u3002,
\nCSP (\u901a\u4fe1\u987a\u5e8f\u8fdb\u7a0b)<\/strong>,\u53e6\u4e00\u79cd\u6d41\u884c\u7684\u534f\u7a0b\u901a\u4fe1\u6a21\u5f0f\u662f CSP\u3002\u5b83\u57fa\u4e8e Go \u8bed\u8a00\u7684\u901a\u9053\u673a\u5236\uff0c\u901a\u8fc7\u9650\u5236\u534f\u7a0b\u7684\u901a\u4fe1\u987a\u5e8f\u6765\u786e\u4fdd\u5e76\u53d1\u5b89\u5168\u3002,\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u4e00\u4e2a\u8bf7\u6c42\u901a\u9053\u548c\u4e00\u4e2a\u54cd\u5e94\u901a\u9053\u6765\u5b9e\u73b0\u534f\u7a0b\u95f4\u7684\u901a\u4fe1\u3002\u8bf7\u6c42\u901a\u9053\u7528\u4e8e\u53d1\u9001\u8bf7\u6c42\uff0c\u800c\u54cd\u5e94\u901a\u9053\u7528\u4e8e\u63a5\u6536\u54cd\u5e94\u3002,
\n\u5b9e\u6218\u6848\u4f8b\uff1a\u5e76\u884c\u722c\u866b<\/strong>,\u4f7f\u7528\u534f\u7a0b\u901a\u4fe1\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u5e76\u884c\u722c\u866b\u3002\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u534f\u7a0b\u6765\u6293\u53d6\u9875\u9762\uff0c\u5e76\u901a\u8fc7\u7ba1\u9053\u5c06\u6293\u53d6\u5230\u7684\u6570\u636e\u53d1\u9001\u5230\u53e6\u4e00\u4e2a\u534f\u7a0b\u8fdb\u884c\u5904\u7406\u3002,\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u7ba1\u9053\u5c06\u722c\u53d6\u5230\u7684\u9875\u9762\u72b6\u6001\u53d1\u9001\u5230\u4e3b\u534f\u7a0b\u8fdb\u884c\u6253\u5370\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u5e76\u884c\u722c\u866b\u3002,\u6587\u4e2d\u5173\u4e8egolang,\u534f\u7a0b\u901a\u4fe1\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\u6846\u67b6\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e2d\u7684\u534f\u7a0b\u901a\u4fe1\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002,\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd
\n\u300agolang\u6846\u67b6\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e2d\u7684\u534f\u7a0b\u901a\u4fe1\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> golang\u6846\u67b6\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e2d\u7684\u534f\u7a0b\u901a\u4fe1<\/span><\/p>\n

golang\u6846\u67b6\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e2d\u7684\u534f\u7a0b\u901a\u4fe1<\/h1>\n

2024-10-26 15:39:58<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300agolang\u6846\u67b6\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e2d\u7684\u534f\u7a0b\u901a\u4fe1\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01<\/p>\n

\u5728 Go \u534f\u7a0b\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\uff0c\u901a\u8fc7\u7279\u5b9a\u7684\u901a\u4fe1\u65b9\u5f0f\u53ef\u786e\u4fdd\u534f\u7a0b\u95f4\u5b89\u5168\u9ad8\u6548\u7684\u6570\u636e\u4ea4\u6362\u3002\u7ba1\u9053\u63d0\u4f9b\u7f13\u51b2\u533a\uff0c\u5141\u8bb8\u534f\u7a0b\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002CSP \u6a21\u5f0f\u9650\u5236\u901a\u4fe1\u987a\u5e8f\uff0c\u5b9e\u73b0\u5e76\u53d1\u5b89\u5168\u3002\u7ba1\u9053\u548c CSP \u5747\u53ef\u7528\u4e8e\u5b9e\u6218\uff0c\u5982\u5e76\u884c\u722c\u866b\uff0c\u901a\u8fc7\u7ba1\u9053\u5c06\u6293\u53d6\u5230\u7684\u6570\u636e\u53d1\u9001\u5230\u4e3b\u534f\u7a0b\u8fdb\u884c\u5904\u7406\u3002<\/p>\n

<\/p>\n

GOLANG \u6846\u67b6\u4e2d\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u7684\u534f\u7a0b\u901a\u4fe1<\/strong><\/p>\n

\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\uff0cGOLANG \u534f\u7a0b\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u5e76\u53d1\u673a\u5236\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u4e3a\u4e86\u5728\u534f\u7a0b\u4e4b\u95f4\u5b89\u5168\u9ad8\u6548\u5730\u8fdb\u884c\u901a\u4fe1\uff0c\u9700\u8981\u4f7f\u7528\u7279\u5b9a\u7684\u901a\u4fe1\u65b9\u5f0f\u3002<\/p>\n

\u7ba1\u9053<\/strong><\/p>\n

\u7ba1\u9053\u662f Go \u8bed\u8a00\u4e2d\u4e00\u79cd\u5e38\u7528\u7684\u534f\u7a0b\u95f4\u901a\u4fe1\u65b9\u5f0f\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7f13\u51b2\u533a\uff0c\u5141\u8bb8\u534f\u7a0b\u4e4b\u95f4\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002<\/p>\n

package main\n\nimport (\n    \"fmt\"\n    \"time\"\n)\n\nfunc main() {\n    ch := make(chan int)\n    go func() {\n        for i := 0; i < 10; i++ {\n            ch <- i\n            time.Sleep(10 * time.Millisecond)\n        }\n    }()\n\n    for i := 0; i < 10; i++ {\n        fmt.Println(<-ch)\n    }\n}<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u6570\u636e\u901a\u8fc7\u7ba1\u9053\u4ece\u4e00\u4e2a\u534f\u7a0b\u53d1\u9001\u5230\u53e6\u4e00\u4e2a\u534f\u7a0b\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u534f\u7a0b\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n
CSP (\u901a\u4fe1\u987a\u5e8f\u8fdb\u7a0b)<\/strong><\/p>\n
\u53e6\u4e00\u79cd\u6d41\u884c\u7684\u534f\u7a0b\u901a\u4fe1\u6a21\u5f0f\u662f CSP\u3002\u5b83\u57fa\u4e8e Go \u8bed\u8a00\u7684\u901a\u9053\u673a\u5236\uff0c\u901a\u8fc7\u9650\u5236\u534f\u7a0b\u7684\u901a\u4fe1\u987a\u5e8f\u6765\u786e\u4fdd\u5e76\u53d1\u5b89\u5168\u3002<\/p>\n
package main\n\nimport (\n    \"fmt\"\n)\n\nfunc main() {\n    requests := make(chan int)\n    responses := make(chan int)\n    go func() {\n        for request := range requests {\n            responses <- request + 1\n        }\n    }()\n\n    for i := 0; i < 10; i++ {\n        requests <- i\n    }\n\n    for i := 0; i < 10; i++ {\n        fmt.Println(<-responses)\n    }\n}<\/pre>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u4e00\u4e2a\u8bf7\u6c42\u901a\u9053\u548c\u4e00\u4e2a\u54cd\u5e94\u901a\u9053\u6765\u5b9e\u73b0\u534f\u7a0b\u95f4\u7684\u901a\u4fe1\u3002\u8bf7\u6c42\u901a\u9053\u7528\u4e8e\u53d1\u9001\u8bf7\u6c42\uff0c\u800c\u54cd\u5e94\u901a\u9053\u7528\u4e8e\u63a5\u6536\u54cd\u5e94\u3002<\/p>\n
\u5b9e\u6218\u6848\u4f8b\uff1a\u5e76\u884c\u722c\u866b<\/strong><\/p>\n
\u4f7f\u7528\u534f\u7a0b\u901a\u4fe1\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u5e76\u884c\u722c\u866b\u3002\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u534f\u7a0b\u6765\u6293\u53d6\u9875\u9762\uff0c\u5e76\u901a\u8fc7\u7ba1\u9053\u5c06\u6293\u53d6\u5230\u7684\u6570\u636e\u53d1\u9001\u5230\u53e6\u4e00\u4e2a\u534f\u7a0b\u8fdb\u884c\u5904\u7406\u3002<\/p>\n
package main\n\nimport (\n    \"fmt\"\n    \"net\/http\"\n    \"sync\"\n\n    \"golang.org\/x\/sync\/errgroup\"\n)\n\nfunc main() {\n    urls := []string{\"https:\/\/example.com\", \"https:\/\/google.com\", \"https:\/\/amazon.com\"}\n    var g errgroup.Group\n    results := make(chan string)\n\n    for _, url := range urls {\n        g.Go(func() error {\n            resp, err := http.Get(url)\n            if err != nil {\n                return err\n            }\n            results <- resp.Status\n            return nil\n        })\n    }\n\n    go func() {\n        g.Wait()\n        close(results)\n    }()\n\n    for result := range results {\n        fmt.Println(result)\n    }\n}<\/pre>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u7ba1\u9053\u5c06\u722c\u53d6\u5230\u7684\u9875\u9762\u72b6\u6001\u53d1\u9001\u5230\u4e3b\u534f\u7a0b\u8fdb\u884c\u6253\u5370\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u5e76\u884c\u722c\u866b\u3002<\/p>\n
\u6587\u4e2d\u5173\u4e8egolang,\u534f\u7a0b\u901a\u4fe1\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\u6846\u67b6\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e2d\u7684\u534f\u7a0b\u901a\u4fe1\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   PL\/SQL \u4e2d\u7684\u5d4c\u5957\u8868\u96c6\u5408\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   Go \u4e2d\u5b9a\u4e49\u7ed3\u6784\u4f53\u7528 var \u548c type \u6709\u4ec0\u4e48\u533a\u522b\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca...<\/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-205593","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205593","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=205593"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205593\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205593"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205593"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205593"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}