{"id":207669,"date":"2025-07-08T09:29:18","date_gmt":"2025-07-08T01:29:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207669\/"},"modified":"2025-07-08T09:29:18","modified_gmt":"2025-07-08T01:29:18","slug":"%e5%a6%82%e4%bd%95%e4%bb%8esqlx%e8%8e%b7%e5%8f%96%e6%9c%80%e5%90%8e%e6%8f%92%e5%85%a5%e8%a1%8c%e7%9a%84id%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207669\/","title":{"rendered":"\u5982\u4f55\u4ecesqlx\u83b7\u53d6\u6700\u540e\u63d2\u5165\u884c\u7684id\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>\u5982\u4f55\u4ecesqlx\u83b7\u53d6\u6700\u540e\u63d2\u5165\u884c\u7684id\uff1f<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-24 14:36:34<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300a\u5982\u4f55\u4ecesqlx\u83b7\u53d6\u6700\u540e\u63d2\u5165\u884c\u7684id\uff1f\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u6211\u60f3\u4f7f\u7528 <code>sqlx<\/code> \u53d6\u56de\u63d2\u5165 mysql \u6570\u636e\u5e93\u7684\u6700\u540e\u4e00\u7bc7\u6587\u7ae0\u7684 id\uff1a<\/p>\n<pre>resultpost, err := shared.dbmap.exec(\"insert into post (user_id, description, link) values (?, ?, ?)\", userid, title, destpath)\nif err != nil {\n    log.println(err)\n    c.json(\n        http.statusinternalservererror,\n        gin.h{\"error\": \"internal server error\"})\n}\n\nfmt.println(\"resultpost is:\", resultpost)<\/pre>\n<p>\u95ee\u9898\u5728\u4e8e <code>resultpost<\/code> \u88ab\u6253\u5370\u4e3a\u5bf9\u8c61\uff1a<\/p>\n<pre>resultPost is: {0xc420242000 0xc4202403a0}<\/pre>\n<p>\u6240\u4ee5\u6211\u60f3\u77e5\u9053\u63d0\u53d6\u521a\u521a\u63d2\u5165\u7684\u884c\u7684 id \u7684\u6b63\u786e\u65b9\u6cd5\u662f\u4ec0\u4e48\uff1f<\/p>\n<p> <\/p>\n<h2>\u89e3\u51b3\u65b9\u6848<\/h2>\n<p> <\/p>\n<p>\u770b\u8d77\u6765\u4f60\u53ea\u9700\u8981\uff1a<\/p>\n<pre>resultpost.lastinsertid()<\/pre>\n<p>\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u5728\u4e2d\u641c\u7d22lastinsertid<\/p>\n<p><code>exec<\/code>, \u7684\u8fd4\u56de\u503c\u5e76\u4e0d\u610f\u5473\u7740\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u2014\u2014\u5b83\u662f\u4e00\u4e2a\u6709\u4e24\u4e2a\u65b9\u6cd5\u53ef\u4ee5\u8c03\u7528\u7684\u5bf9\u8c61\uff0c\u5176\u4e2d\u4e4b\u4e00\u662f<code>lastinsertid( \uff09<\/code>\u3002<\/p>\n<pre>lastId, err := resultPost.LastInsertId()\nif err != nil {\n    panic(err)\n}\nfmt.Println(\"LastInsertId: \", lastId)<\/pre>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u4ecesqlx\u83b7\u53d6\u6700\u540e\u63d2\u5165\u884c\u7684id\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03Golang\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u524d\u4f4d\u7f6e\uff1a &gt; &gt; &#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-207669","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207669","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=207669"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207669\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207669"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207669"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}