{"id":205611,"date":"2025-06-12T11:13:40","date_gmt":"2025-06-12T03:13:40","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205611\/"},"modified":"2025-06-12T11:13:40","modified_gmt":"2025-06-12T03:13:40","slug":"golang%e6%a1%86%e6%9e%b6%e5%9c%a8%e5%88%86%e5%b8%83%e5%bc%8f%e7%b3%bb%e7%bb%9f%e4%b8%ad%e7%9a%84%e6%89%a9%e5%b1%95%e6%80%a7%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205611\/","title":{"rendered":"golang\u6846\u67b6\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u6269\u5c55\u6027\u5206\u6790"},"content":{"rendered":"

GOLANG\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765
\n\u300agolang\u6846\u67b6\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u6269\u5c55\u6027\u5206\u6790\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u662f\u6b63\u5728\u5b66\u4e60
\nGOLANG<\/span>\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01,Go \u6846\u67b6\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u5177\u5907\u6269\u5c55\u6027\uff0c\u4e3b\u8981\u901a\u8fc7\u4ee5\u4e0b\u7279\u6027\u5b9e\u73b0\uff1a\u5e76\u53d1\u6027\uff1agoroutine \u5b9e\u73b0\u8f7b\u91cf\u7ea7\u5e76\u884c\u4efb\u52a1\u6267\u884c\u3002\u901a\u9053\uff1a\u5b89\u5168\u901a\u4fe1\u673a\u5236\uff0c\u5b9e\u73b0 goroutine \u95f4\u6570\u636e\u4ea4\u6362\u3002\u9009\u62e9\uff1a\u534f\u8c03\u5e76\u53d1\u64cd\u4f5c\u3002sync.Map\uff1a\u5e76\u53d1\u5b89\u5168\u5730\u56fe\uff0c\u652f\u6301\u591a goroutine \u5e76\u53d1\u8bbf\u95ee\u6570\u636e\u3002\u8d1f\u8f7d\u5747\u8861\u5668\uff1a\u5206\u53d1\u8bf7\u6c42\u81f3\u591a\u540e\u7aef\u670d\u52a1\u5668\u3002,
\n,
\nGo \u6846\u67b6\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u6269\u5c55\u6027\u5206\u6790<\/strong>,
\n\u7b80\u4ecb<\/strong>,\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u6269\u5c55\u6027\u662f\u5173\u952e\u7684\u5173\u6ce8\u70b9\uff0c\u56e0\u4e3a\u5b83\u51b3\u5b9a\u4e86\u7cfb\u7edf\u5904\u7406\u5e76\u884c\u8bf7\u6c42\u7684\u80fd\u529b\u3002Go \u6846\u67b6\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u7279\u6027\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u6784\u5efa\u5177\u6709\u9ad8\u5ea6\u53ef\u6269\u5c55\u6027\u7684\u5206\u5e03\u5f0f\u5e94\u7528\u7a0b\u5e8f\u3002,
\nGo \u6846\u67b6\u7684\u6269\u5c55\u6027\u7279\u6027<\/strong>,
\n\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong>,
\n\u5f00\u53d1\u4e00\u4e2a\u5177\u6709\u6269\u5c55\u6027\u7684 RESTful API<\/strong>,\u4f7f\u7528 Echo \u6846\u67b6\uff08\u4e00\u4e2a\u6d41\u884c\u7684 Go HTTP \u6846\u67b6\uff09\u548c sync.Map\uff0c\u53ef\u4ee5\u6784\u5efa\u4e00\u4e2a\u9ad8\u5ea6\u53ef\u6269\u5c55\u7684 RESTful API\u3002,\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0csync.Map \u7528\u4e8e\u7f13\u5b58\u7528\u6237\u6570\u636e\uff0c\u4ee5\u51cf\u5c11\u5916\u90e8 API \u8c03\u7528\u3002\u6b64\u5916\uff0cgoroutine \u7528\u4e8e\u540c\u65f6\u5904\u7406\u591a\u4e2a\u8bf7\u6c42\uff0c\u63d0\u9ad8\u4e86 API \u7684\u54cd\u5e94\u80fd\u529b\u3002,\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300agolang\u6846\u67b6\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u6269\u5c55\u6027\u5206\u6790\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591aGOLANG\u77e5\u8bc6\uff01,
\n\u901a\u9053\uff1a<\/strong> \u901a\u9053\u662f\u5b89\u5168\u7684\u901a\u4fe1\u673a\u5236\uff0c\u5141\u8bb8 goroutine \u4e4b\u95f4\u4ea4\u6362\u6570\u636e\u3002,
\n\u5e76\u53d1\u6027\uff1a<\/strong> Go \u901a\u8fc7 goroutine \u5b9e\u73b0\u5e76\u53d1\u6027\uff0c\u8fd9\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u7ebf\u7a0b\u5f62\u5f0f\uff0c\u53ef\u4ee5\u5e76\u884c\u6267\u884c\u4efb\u52a1\u3002,
\n\u9009\u62e9\uff1a<\/strong> select \u8bed\u53e5\u5141\u8bb8\u7a0b\u5e8f\u7b49\u5f85\u591a\u4e2a\u901a\u9053\u6216\u8ba1\u65f6\u5668\u4e8b\u4ef6\uff0c\u8fd9\u6709\u52a9\u4e8e\u534f\u8c03\u5e76\u53d1\u64cd\u4f5c\u3002,GOLANG\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765
\n\u300agolang\u6846\u67b6\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u6269\u5c55\u6027\u5206\u6790\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u662f\u6b63\u5728\u5b66\u4e60
\nGOLANG<\/span>\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> golang\u6846\u67b6\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u6269\u5c55\u6027\u5206\u6790<\/span><\/p>\n

golang\u6846\u67b6\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u6269\u5c55\u6027\u5206\u6790<\/h1>\n

2024-10-26 16:31:42<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

GOLANG\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u300agolang\u6846\u67b6\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u6269\u5c55\u6027\u5206\u6790\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u662f\u6b63\u5728\u5b66\u4e60GOLANG<\/span>\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01<\/p>\n

Go \u6846\u67b6\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u5177\u5907\u6269\u5c55\u6027\uff0c\u4e3b\u8981\u901a\u8fc7\u4ee5\u4e0b\u7279\u6027\u5b9e\u73b0\uff1a\u5e76\u53d1\u6027\uff1agoroutine \u5b9e\u73b0\u8f7b\u91cf\u7ea7\u5e76\u884c\u4efb\u52a1\u6267\u884c\u3002\u901a\u9053\uff1a\u5b89\u5168\u901a\u4fe1\u673a\u5236\uff0c\u5b9e\u73b0 goroutine \u95f4\u6570\u636e\u4ea4\u6362\u3002\u9009\u62e9\uff1a\u534f\u8c03\u5e76\u53d1\u64cd\u4f5c\u3002sync.Map\uff1a\u5e76\u53d1\u5b89\u5168\u5730\u56fe\uff0c\u652f\u6301\u591a goroutine \u5e76\u53d1\u8bbf\u95ee\u6570\u636e\u3002\u8d1f\u8f7d\u5747\u8861\u5668\uff1a\u5206\u53d1\u8bf7\u6c42\u81f3\u591a\u540e\u7aef\u670d\u52a1\u5668\u3002<\/p>\n

<\/p>\n

Go \u6846\u67b6\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u6269\u5c55\u6027\u5206\u6790<\/strong><\/p>\n

\u7b80\u4ecb<\/strong><\/p>\n

\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u6269\u5c55\u6027\u662f\u5173\u952e\u7684\u5173\u6ce8\u70b9\uff0c\u56e0\u4e3a\u5b83\u51b3\u5b9a\u4e86\u7cfb\u7edf\u5904\u7406\u5e76\u884c\u8bf7\u6c42\u7684\u80fd\u529b\u3002Go \u6846\u67b6\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u7279\u6027\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u6784\u5efa\u5177\u6709\u9ad8\u5ea6\u53ef\u6269\u5c55\u6027\u7684\u5206\u5e03\u5f0f\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n

Go \u6846\u67b6\u7684\u6269\u5c55\u6027\u7279\u6027<\/strong><\/p>\n

    \n
  • \u5e76\u53d1\u6027\uff1a<\/strong> Go \u901a\u8fc7 goroutine \u5b9e\u73b0\u5e76\u53d1\u6027\uff0c\u8fd9\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u7ebf\u7a0b\u5f62\u5f0f\uff0c\u53ef\u4ee5\u5e76\u884c\u6267\u884c\u4efb\u52a1\u3002<\/li>\n
  • \u901a\u9053\uff1a<\/strong> \u901a\u9053\u662f\u5b89\u5168\u7684\u901a\u4fe1\u673a\u5236\uff0c\u5141\u8bb8 goroutine \u4e4b\u95f4\u4ea4\u6362\u6570\u636e\u3002<\/li>\n
  • \u9009\u62e9\uff1a<\/strong> select \u8bed\u53e5\u5141\u8bb8\u7a0b\u5e8f\u7b49\u5f85\u591a\u4e2a\u901a\u9053\u6216\u8ba1\u65f6\u5668\u4e8b\u4ef6\uff0c\u8fd9\u6709\u52a9\u4e8e\u534f\u8c03\u5e76\u53d1\u64cd\u4f5c\u3002<\/li>\n
  • sync.Map\uff1a<\/strong> sync.Map \u662f\u4e00\u4e2a\u5e76\u53d1\u5b89\u5168\u7684\u5730\u56fe\uff0c\u5b83\u5141\u8bb8\u591a\u4e2a goroutine \u5e76\u53d1\u8bbf\u95ee\u6570\u636e\u3002<\/li>\n
  • \u8d1f\u8f7d\u5747\u8861\u5668\uff1a<\/strong> Go \u5185\u7f6e\u7684 net\/http\/httputil \u5305\u63d0\u4f9b\u4e86\u8d1f\u8f7d\u5747\u8861\u5668\u529f\u80fd\uff0c\u53ef\u4ee5\u5c06\u8bf7\u6c42\u5206\u53d1\u5230\u591a\u4e2a\u540e\u7aef\u670d\u52a1\u5668\u3002<\/li>\n<\/ul>\n

    \u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n

    \u5f00\u53d1\u4e00\u4e2a\u5177\u6709\u6269\u5c55\u6027\u7684 RESTful API<\/strong><\/p>\n

    \u4f7f\u7528 Echo \u6846\u67b6\uff08\u4e00\u4e2a\u6d41\u884c\u7684 Go HTTP \u6846\u67b6\uff09\u548c sync.Map\uff0c\u53ef\u4ee5\u6784\u5efa\u4e00\u4e2a\u9ad8\u5ea6\u53ef\u6269\u5c55\u7684 RESTful API\u3002<\/p>\n

    import (\n    \"encoding\/json\"\n    \"log\"\n    \"net\/http\"\n    \"sync\"\n\n    \"github.com\/labstack\/echo\/v4\"\n    \"github.com\/valyala\/fasttemplate\"\n)\n\nvar (\n    mu     sync.Mutex\n    cache  = make(map[int]string)\n    tmpl   *fasttemplate.Template\n    client *http.Client\n)\n\nfunc init() {\n    tmpl = fasttemplate.New(\"templates\/users.html\", \"{{.Users}}\", \"{{.}}\")\n    client = http.DefaultClient\n}\n\n\/\/ UserController handles requests for the \"\/users\" path\nfunc UserController(c echo.Context) error {\n    mu.Lock()\n    defer mu.Unlock()\n\n    \/\/ Check if the users are already in the cache\n    if users, ok := cache[1]; ok {\n        return c.String(http.StatusOK, users)\n    }\n\n    \/\/ Fetch the users from an external API\n    resp, err := client.Get(\"http:\/\/example.com\/api\/users\")\n    if err != nil {\n        return echo.NewHTTPError(http.StatusInternalServerError, err.Error())\n    }\n    defer resp.Body.Close()\n\n    \/\/ Parse the JSON response\n    var users []string\n    if err := json.NewDecoder(resp.Body).Decode(&users); err != nil {\n        return echo.NewHTTPError(http.StatusInternalServerError, err.Error())\n    }\n\n    \/\/ Store the users in the cache\n    cache[1] = tmpl.ExecuteString(users)\n\n    \/\/ Return the users to the client\n    return c.JSON(http.StatusOK, users)\n}<\/pre>\n
    \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0csync.Map \u7528\u4e8e\u7f13\u5b58\u7528\u6237\u6570\u636e\uff0c\u4ee5\u51cf\u5c11\u5916\u90e8 API \u8c03\u7528\u3002\u6b64\u5916\uff0cgoroutine \u7528\u4e8e\u540c\u65f6\u5904\u7406\u591a\u4e2a\u8bf7\u6c42\uff0c\u63d0\u9ad8\u4e86 API \u7684\u54cd\u5e94\u80fd\u529b\u3002<\/p>\n
    \u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300agolang\u6846\u67b6\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u6269\u5c55\u6027\u5206\u6790\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591aGOLANG\u77e5\u8bc6\uff01<\/p>\n
    \n
    \n <\/dt>\n
    \n   \u91cd\u8f7d\u65b9\u6cd5\u5728 Java \u4ee3\u7801\u4e2d\u7684\u7528\u6cd5\u662f\u4ec0\u4e48\uff1f\n <\/dd>\n<\/dl>\n
    \n
    \n <\/dt>\n
    \n   \u5982\u4f55\u521b\u5efa Java \u51fd\u6570\u5e76\u4f20\u9012\u53c2\u6570\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
    GOLANG\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765 \u300a...<\/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-205611","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205611","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=205611"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205611\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205611"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205611"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205611"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}