{"id":206171,"date":"2025-06-12T10:04:53","date_gmt":"2025-06-12T02:04:53","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206171\/"},"modified":"2025-06-12T10:04:53","modified_gmt":"2025-06-12T02:04:53","slug":"go-%e8%af%ad%e8%a8%80%e4%b8%ad%e5%a6%82%e4%bd%95%e4%bf%ae%e6%94%b9%e5%87%bd%e6%95%b0%e5%8f%82%e6%95%b0%e7%9a%84%e6%8c%87%e9%92%88%e5%80%bc%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206171\/","title":{"rendered":"Go \u8bed\u8a00\u4e2d\u5982\u4f55\u4fee\u6539\u51fd\u6570\u53c2\u6570\u7684\u6307\u9488\u503c\uff1f"},"content":{"rendered":"<p>\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u8bed\u8a00\u4e2d\u5982\u4f55\u4fee\u6539\u51fd\u6570\u53c2\u6570\u7684\u6307\u9488\u503c\uff1f\u300b<\/span>\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241105\/17307868046729b5f4ef754.jpg\" class=\"aligncenter\">,<br \/>\n<strong>\u53c2\u6570\u53d8\u91cf\u8d4b\u503c\u5931\u6548\u7684\u539f\u56e0<\/strong>,\u5728 go \u8bed\u8a00\u4e2d\uff0c\u51fd\u6570\u7684\u53c2\u6570\u662f\u4e00\u4e2a\u72ec\u7acb\u7684\u53d8\u91cf\uff0c\u4e0d\u4f1a\u5f71\u54cd\u51fd\u6570\u5916\u90e8\u7684\u540c\u540d\u53d8\u91cf\u3002,\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cinitdb \u51fd\u6570\u4e2d\u91cd\u65b0\u8d4b\u503c\u4e86\u5c40\u90e8\u53d8\u91cf db\uff0c\u800c\u6ca1\u6709\u6539\u53d8\u4f20\u5165\u7684\u53c2\u6570 db\u3002\u56e0\u6b64\uff0c\u4e3b\u51fd\u6570\u4e2d\u6253\u5370\u7684 db \u4ecd\u7136\u662f nil\u3002,\u8981\u60f3\u6210\u529f\u6539\u53d8\u6307\u9488\u7684\u503c\uff0c\u9700\u8981\u5148\u89e3\u5f15\u7528\u5b83\uff0c\u7136\u540e\u91cd\u65b0\u8d4b\u503c\u7ed9\u89e3\u5f15\u7528\u540e\u7684\u53d8\u91cf\u3002,\u73b0\u5728\uff0cinitdb \u51fd\u6570\u5c06\u4fee\u6539\u4f20\u5165\u53c2\u6570 db \u6307\u5411\u7684\u5bf9\u8c61\u7684\u503c\uff0c\u4ece\u800c\u5728\u4e3b\u51fd\u6570\u4e2d\u4e5f\u4f1a\u770b\u5230\u540c\u6837\u7684\u4fee\u6539\u3002,\u4eca\u5929\u5173\u4e8e\u300aGo \u8bed\u8a00\u4e2d\u5982\u4f55\u4fee\u6539\u51fd\u6570\u53c2\u6570\u7684\u6307\u9488\u503c\uff1f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728GOLANG\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01,\u53c2\u6570\u53d8\u91cf\u8d4b\u503c\u5931\u6548\u7684\u539f\u56e0,\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u8bed\u8a00\u4e2d\u5982\u4f55\u4fee\u6539\u51fd\u6570\u53c2\u6570\u7684\u6307\u9488\u503c\uff1f\u300b<\/span>\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\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 \u8bed\u8a00\u4e2d\u5982\u4f55\u4fee\u6539\u51fd\u6570\u53c2\u6570\u7684\u6307\u9488\u503c\uff1f<\/span><\/p>\n<h1>Go \u8bed\u8a00\u4e2d\u5982\u4f55\u4fee\u6539\u51fd\u6570\u53c2\u6570\u7684\u6307\u9488\u503c\uff1f<\/h1>\n<p><span>2024-11-05 14:07:00<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u8bed\u8a00\u4e2d\u5982\u4f55\u4fee\u6539\u51fd\u6570\u53c2\u6570\u7684\u6307\u9488\u503c\uff1f\u300b<\/span>\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241105\/17307868046729b5f4ef754.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u53c2\u6570\u53d8\u91cf\u8d4b\u503c\u5931\u6548\u7684\u539f\u56e0<\/strong><\/p>\n<p>\u5728 go \u8bed\u8a00\u4e2d\uff0c\u51fd\u6570\u7684\u53c2\u6570\u662f\u4e00\u4e2a\u72ec\u7acb\u7684\u53d8\u91cf\uff0c\u4e0d\u4f1a\u5f71\u54cd\u51fd\u6570\u5916\u90e8\u7684\u540c\u540d\u53d8\u91cf\u3002<\/p>\n<pre>func main() {\n    var db *sql.db\n\n    initdb(db) \/\/ \u4f20\u9012 nil \u503c\u7ed9 initdb\n\n    fmt.println(db) \/\/ \u8f93\u51fa nil\n}\n\nfunc initdb(db *sql.db) {\n    db, err := sql.open(\"mysql\", \"...\") \/\/ \u91cd\u65b0\u8d4b\u503c\u5c40\u90e8\u53d8\u91cf db\n    if err != nil {\n        panic(err)\n    }\n\n    fmt.println(db) \/\/ \u8f93\u51fa\u975e nil \u503c\n}<\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cinitdb \u51fd\u6570\u4e2d\u91cd\u65b0\u8d4b\u503c\u4e86\u5c40\u90e8\u53d8\u91cf db\uff0c\u800c\u6ca1\u6709\u6539\u53d8\u4f20\u5165\u7684\u53c2\u6570 db\u3002\u56e0\u6b64\uff0c\u4e3b\u51fd\u6570\u4e2d\u6253\u5370\u7684 db \u4ecd\u7136\u662f nil\u3002<\/p>\n<p>\u8981\u60f3\u6210\u529f\u6539\u53d8\u6307\u9488\u7684\u503c\uff0c\u9700\u8981\u5148\u89e3\u5f15\u7528\u5b83\uff0c\u7136\u540e\u91cd\u65b0\u8d4b\u503c\u7ed9\u89e3\u5f15\u7528\u540e\u7684\u53d8\u91cf\u3002<\/p>\n<pre>func initDB(db **sql.DB) {\n    *db, err := sql.Open(\"mysql\", \"...\")\n    if err != nil {\n        panic(err)\n    }\n}<\/pre>\n<p>\u73b0\u5728\uff0cinitdb \u51fd\u6570\u5c06\u4fee\u6539\u4f20\u5165\u53c2\u6570 db \u6307\u5411\u7684\u5bf9\u8c61\u7684\u503c\uff0c\u4ece\u800c\u5728\u4e3b\u51fd\u6570\u4e2d\u4e5f\u4f1a\u770b\u5230\u540c\u6837\u7684\u4fee\u6539\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300aGo \u8bed\u8a00\u4e2d\u5982\u4f55\u4fee\u6539\u51fd\u6570\u53c2\u6570\u7684\u6307\u9488\u503c\uff1f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728GOLANG\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   JavaScript \u95ed\u5305\u7684\u53cc\u62ec\u53f7()()\uff0c\u7a76\u7adf\u662f\u600e\u6837\u5b9e\u73b0\u7684\u5462\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   Element-UI \u4e2d\u5982\u4f55\u6253\u7834\u5217\u6362\u884c\u9650\u5236\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86 &#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-206171","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206171","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=206171"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206171\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206171"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}