{"id":75996,"date":"2024-10-16T02:59:14","date_gmt":"2024-10-15T18:59:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/75996\/"},"modified":"2024-10-16T02:59:14","modified_gmt":"2024-10-15T18:59:14","slug":"mysql-%e5%87%bd%e6%95%b8last_insert_id%e8%aa%9e%e6%b3%95%e4%bb%8b%e7%b4%b9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/75996\/","title":{"rendered":"MySQL \u51fd\u6578Last_insert_id()\u8a9e\u6cd5\u4ecb\u7d39"},"content":{"rendered":"<h1 id=\"mysql-%e5%87%bd%e6%95%b8-last_insert_id-%e8%aa%9e%e6%b3%95%e4%bb%8b%e7%b4%b9-DALXLnyGcJ\">MySQL \u51fd\u6578 Last_insert_id() \u8a9e\u6cd5\u4ecb\u7d39<\/h1>\n<p>\u5728\u4f7f\u7528 MySQL \u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u7d93\u5e38\u9700\u8981\u7372\u53d6\u6700\u8fd1\u63d2\u5165\u6578\u64da\u7684\u81ea\u589e ID\u3002\u9019\u6642\uff0c<code>LAST_INSERT_ID()<\/code> \u51fd\u6578\u4fbf\u6210\u70ba\u4e86\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e <code>LAST_INSERT_ID()<\/code> \u51fd\u6578\u7684\u8a9e\u6cd5\u3001\u4f7f\u7528\u60c5\u5883\u53ca\u5176\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-last_insert_id-%e5%87%bd%e6%95%b8%ef%bc%9f-DALXLnyGcJ\">\u4ec0\u9ebc\u662f LAST_INSERT_ID() \u51fd\u6578\uff1f<\/h2>\n<p><code>LAST_INSERT_ID()<\/code> \u662f MySQL \u63d0\u4f9b\u7684\u4e00\u500b\u5167\u5efa\u51fd\u6578\uff0c\u7528\u65bc\u8fd4\u56de\u6700\u8fd1\u4e00\u6b21\u63d2\u5165\u64cd\u4f5c\u6240\u751f\u6210\u7684\u81ea\u589e ID\u3002\u9019\u500b\u51fd\u6578\u7279\u5225\u9069\u5408\u5728\u591a\u7528\u6236\u74b0\u5883\u4e2d\u4f7f\u7528\uff0c\u56e0\u70ba\u5b83\u6703\u8fd4\u56de\u7576\u524d\u9023\u63a5\u7684\u6700\u5f8c\u4e00\u500b\u81ea\u589e ID\uff0c\u800c\u4e0d\u6703\u53d7\u5230\u5176\u4ed6\u7528\u6236\u63d2\u5165\u64cd\u4f5c\u7684\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e8%aa%9e%e6%b3%95-DALXLnyGcJ\">\u8a9e\u6cd5<\/h2>\n<p>\u8a72\u51fd\u6578\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>LAST_INSERT_ID();<\/code><\/pre>\n<p>\u9019\u500b\u51fd\u6578\u4e0d\u9700\u8981\u4efb\u4f55\u53c3\u6578\uff0c\u76f4\u63a5\u8abf\u7528\u5373\u53ef\u7372\u5f97\u7d50\u679c\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e7%af%84%e4%be%8b-DALXLnyGcJ\">\u4f7f\u7528\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u4f7f\u7528\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728\u63d2\u5165\u6578\u64da\u5f8c\u7372\u53d6\u81ea\u589e ID\uff1a<\/p>\n<pre><code>-- \u5275\u5efa\u4e00\u500b\u793a\u4f8b\u8868\nCREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    username VARCHAR(50) NOT NULL\n);\n\n-- \u63d2\u5165\u4e00\u689d\u6578\u64da\nINSERT INTO users (username) VALUES ('Alice');\n\n-- \u7372\u53d6\u6700\u8fd1\u63d2\u5165\u7684 ID\nSELECT LAST_INSERT_ID();<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u7576\u6211\u5011\u63d2\u5165\u7528\u6236 &#8216;Alice&#8217; \u5f8c\uff0c\u8abf\u7528 <code>LAST_INSERT_ID()<\/code> \u5c07\u8fd4\u56de\u8a72\u7528\u6236\u7684 ID\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-DALXLnyGcJ\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li><strong>\u9023\u63a5\u7bc4\u570d\uff1a<\/strong> <code>LAST_INSERT_ID()<\/code> \u53ea\u6703\u8fd4\u56de\u7576\u524d\u9023\u63a5\u7684\u6700\u5f8c\u4e00\u500b\u81ea\u589e ID\uff0c\u56e0\u6b64\u5728\u591a\u7528\u6236\u74b0\u5883\u4e2d\uff0c\u6bcf\u500b\u7528\u6236\u7684\u8abf\u7528\u7d50\u679c\u662f\u7368\u7acb\u7684\u3002<\/li>\n<li><strong>\u81ea\u589e\u5b57\u6bb5\uff1a<\/strong> \u6b64\u51fd\u6578\u50c5\u9069\u7528\u65bc\u81ea\u589e\u5b57\u6bb5\uff0c\u5c0d\u65bc\u5176\u4ed6\u985e\u578b\u7684\u5b57\u6bb5\u7121\u6cd5\u8fd4\u56de\u6709\u6548\u7d50\u679c\u3002<\/li>\n<li><strong>\u591a\u6b21\u63d2\u5165\uff1a<\/strong> \u5982\u679c\u5728\u540c\u4e00\u9023\u63a5\u4e2d\u591a\u6b21\u63d2\u5165\u6578\u64da\uff0c<code>LAST_INSERT_ID()<\/code> \u6703\u8fd4\u56de\u6700\u5f8c\u4e00\u6b21\u63d2\u5165\u7684 ID\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-DALXLnyGcJ\">\u7d50\u8ad6<\/h2>\n<p>MySQL \u7684 <code>LAST_INSERT_ID()<\/code> \u51fd\u6578\u662f\u4e00\u500b\u7c21\u55ae\u800c\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5728\u63d2\u5165\u6578\u64da\u5f8c\u5feb\u901f\u7372\u53d6\u81ea\u589e ID\u3002\u7121\u8ad6\u662f\u5728\u55ae\u7528\u6236\u9084\u662f\u591a\u7528\u6236\u74b0\u5883\u4e2d\uff0c\u6b63\u78ba\u4f7f\u7528\u6b64\u51fd\u6578\u90fd\u80fd\u63d0\u9ad8\u6578\u64da\u64cd\u4f5c\u7684\u6548\u7387\u548c\u6e96\u78ba\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u7db2\u7ad9\u6258\u7ba1\uff0c\u6211\u5011\u7684\u670d\u52d9\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u51fd\u6578Last_insert_id()\u7684\u8a9e\u6cd5\u53ca\u7528\u6cd5\uff0c\u638c\u63e1\u5982\u4f55\u7372\u53d6\u6700\u5f8c\u63d2\u5165\u7684\u81ea\u589eID\uff0c\u63d0\u5347\u6578\u64da\u5eab\u64cd\u4f5c\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-75996","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75996","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=75996"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75996\/revisions"}],"predecessor-version":[{"id":75997,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75996\/revisions\/75997"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=75996"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=75996"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=75996"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}