{"id":206378,"date":"2025-06-12T12:54:59","date_gmt":"2025-06-12T04:54:59","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206378\/"},"modified":"2025-06-12T12:54:59","modified_gmt":"2025-06-12T04:54:59","slug":"go-%e5%af%bc%e5%85%a5%e5%8c%85%e6%97%b6%ef%bc%8c%e5%af%bc%e5%87%ba%e5%8f%98%e9%87%8f%e4%b8%ba%e4%bd%95%e4%bc%9a%e6%98%af%e7%a9%ba%e5%80%bc%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206378\/","title":{"rendered":"Go \u5bfc\u5165\u5305\u65f6\uff0c\u5bfc\u51fa\u53d8\u91cf\u4e3a\u4f55\u4f1a\u662f\u7a7a\u503c\uff1f"},"content":{"rendered":"<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u5bfc\u5165\u5305\u65f6\uff0c\u5bfc\u51fa\u53d8\u91cf\u4e3a\u4f55\u4f1a\u662f\u7a7a\u503c\uff1f\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241110\/17312467056730ba7168a3c.jpg\" class=\"aligncenter\">,<br \/>\n<strong>go \u5bfc\u5165\u5305\u65f6\u8bbf\u95ee\u5bfc\u51fa\u53d8\u91cf\u53d7\u9650<\/strong>,\u5728 go \u4e2d\u5bfc\u5165\u5305\u65f6\uff0c\u80fd\u591f\u8bbf\u95ee\u5305\u4e2d\u5bfc\u51fa\u7684\u53d8\u91cf\u3001\u7c7b\u578b\u548c\u51fd\u6570\u3002\u4f46\u6709\u65f6\uff0c\u5bfc\u5165\u7684\u5305\u4e2d\u65e0\u6cd5\u8bbf\u95ee\u67d0\u4e9b\u5bfc\u51fa\u53d8\u91cf\uff0c\u51fa\u73b0 nil \u503c\u3002,\u8fd9\u4e2a\u95ee\u9898\u901a\u5e38\u53d1\u751f\u5728\u5305\u521d\u59cb\u5316\u51fd\u6570\uff08init\uff09\u4e2d\u7ed9\u5bfc\u51fa\u53d8\u91cf\u91cd\u65b0\u8d4b\u503c\u3002\u4f8b\u5982\uff1a,\u5728 init \u51fd\u6570\u4e2d\u4f7f\u7528 esclient = nil \u91cd\u65b0\u8d4b\u503c\u540e\uff0c\u8986\u76d6\u4e86\u5168\u5c40\u53d8\u91cf esclient\u3002\u56e0\u6b64\uff0c\u867d\u7136\u5728 init \u51fd\u6570\u4e2d esclient \u5df2\u88ab\u6b63\u786e\u521d\u59cb\u5316\uff0c\u4f46\u5728\u5176\u4ed6\u5730\u65b9\u8bbf\u95ee\u65f6\uff0c\u5b83\u5c06\u4fdd\u6301 nil \u503c\u3002,\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\uff0c\u5efa\u8bae\u4f7f\u7528\u4e0b\u5217\u505a\u6cd5\uff1a,\u8fd9\u6837\u4e00\u6765\uff0cinit \u51fd\u6570\u53ea\u4f1a\u521d\u59cb\u5316\u5f53\u524d\u5c1a\u672a\u521d\u59cb\u5316\u7684\u5168\u5c40\u53d8\u91cf\u503c\uff0c\u907f\u514d\u610f\u5916\u8986\u76d6\u3002,\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aGo \u5bfc\u5165\u5305\u65f6\uff0c\u5bfc\u51fa\u53d8\u91cf\u4e3a\u4f55\u4f1a\u662f\u7a7a\u503c\uff1f\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,go \u5bfc\u5165\u5305\u65f6\u8bbf\u95ee\u5bfc\u51fa\u53d8\u91cf\u53d7\u9650,\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u5bfc\u5165\u5305\u65f6\uff0c\u5bfc\u51fa\u53d8\u91cf\u4e3a\u4f55\u4f1a\u662f\u7a7a\u503c\uff1f\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\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>Go \u5bfc\u5165\u5305\u65f6\uff0c\u5bfc\u51fa\u53d8\u91cf\u4e3a\u4f55\u4f1a\u662f\u7a7a\u503c\uff1f<\/span><\/p>\n<h1>Go \u5bfc\u5165\u5305\u65f6\uff0c\u5bfc\u51fa\u53d8\u91cf\u4e3a\u4f55\u4f1a\u662f\u7a7a\u503c\uff1f<\/h1>\n<p><span>2024-11-10 21:52:01<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u5bfc\u5165\u5305\u65f6\uff0c\u5bfc\u51fa\u53d8\u91cf\u4e3a\u4f55\u4f1a\u662f\u7a7a\u503c\uff1f\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241110\/17312467056730ba7168a3c.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>go \u5bfc\u5165\u5305\u65f6\u8bbf\u95ee\u5bfc\u51fa\u53d8\u91cf\u53d7\u9650<\/strong><\/p>\n<p>\u5728 go \u4e2d\u5bfc\u5165\u5305\u65f6\uff0c\u80fd\u591f\u8bbf\u95ee\u5305\u4e2d\u5bfc\u51fa\u7684\u53d8\u91cf\u3001\u7c7b\u578b\u548c\u51fd\u6570\u3002\u4f46\u6709\u65f6\uff0c\u5bfc\u5165\u7684\u5305\u4e2d\u65e0\u6cd5\u8bbf\u95ee\u67d0\u4e9b\u5bfc\u51fa\u53d8\u91cf\uff0c\u51fa\u73b0 nil \u503c\u3002<\/p>\n<p>\u8fd9\u4e2a\u95ee\u9898\u901a\u5e38\u53d1\u751f\u5728\u5305\u521d\u59cb\u5316\u51fd\u6570\uff08init\uff09\u4e2d\u7ed9\u5bfc\u51fa\u53d8\u91cf\u91cd\u65b0\u8d4b\u503c\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>\/\/ utils.go\npackage utils\n\nimport (\n    \"log\"\n\n    elastic \"github.com\/elastic\/go-elasticsearch\/v6\"\n)\n\nvar esclient *elastic.client\n\nfunc init() {\n    \/\/ \u521d\u59cb\u5316\u5e76\u8d4b\u503c esclient\n    cfg := elastic.config{\n        addresses: []string{\"\"},\n    }\n    esclient = nil \/\/ \u8fd9\u91cc\u8986\u76d6\u4e86\u5168\u5c40\u53d8\u91cf esclient\n    esclient, err := elastic.newclient(cfg)\n    if err != nil {\n        log.fatal(err)\n    }\n}<\/pre>\n<p>\u5728 init \u51fd\u6570\u4e2d\u4f7f\u7528 esclient = nil \u91cd\u65b0\u8d4b\u503c\u540e\uff0c\u8986\u76d6\u4e86\u5168\u5c40\u53d8\u91cf esclient\u3002\u56e0\u6b64\uff0c\u867d\u7136\u5728 init \u51fd\u6570\u4e2d esclient \u5df2\u88ab\u6b63\u786e\u521d\u59cb\u5316\uff0c\u4f46\u5728\u5176\u4ed6\u5730\u65b9\u8bbf\u95ee\u65f6\uff0c\u5b83\u5c06\u4fdd\u6301 nil \u503c\u3002<\/p>\n<p>\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\uff0c\u5efa\u8bae\u4f7f\u7528\u4e0b\u5217\u505a\u6cd5\uff1a<\/p>\n<pre>func init() {\n    cfg := elastic.Config{\n        Addresses: []string{\"\"},\n    }\n    if EsClient == nil { \/\/ \u5982\u679c EsClient \u4e3a nil\uff0c\u5219\u521d\u59cb\u5316\n        EsClient, err := elastic.NewClient(cfg)\n        if err != nil {\n            log.Fatal(err)\n        }\n    }\n}<\/pre>\n<p>\u8fd9\u6837\u4e00\u6765\uff0cinit \u51fd\u6570\u53ea\u4f1a\u521d\u59cb\u5316\u5f53\u524d\u5c1a\u672a\u521d\u59cb\u5316\u7684\u5168\u5c40\u53d8\u91cf\u503c\uff0c\u907f\u514d\u610f\u5916\u8986\u76d6\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aGo \u5bfc\u5165\u5305\u65f6\uff0c\u5bfc\u51fa\u53d8\u91cf\u4e3a\u4f55\u4f1a\u662f\u7a7a\u503c\uff1f\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   CSS \u4e2d\u591a\u884c\u7701\u7565\u53f7\u5bf9\u7eaf\u5b57\u6bcd\u6587\u672c\u4e0d\u751f\u6548\u7684\u539f\u56e0\u662f\u4ec0\u4e48\uff1f\u5982\u4f55\u89e3\u51b3\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u963f\u91cc\u4e91\u9999\u6e2f\u670d\u52a1\u5668\u8fdc\u7a0b\u8fde\u63a5\u9047\u963b\uff0c\u600e\u4e48\u529e\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca&#46;&#46;&#46;<\/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-206378","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206378","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=206378"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206378\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}