{"id":174339,"date":"2024-11-07T21:00:23","date_gmt":"2024-11-07T13:00:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/174339\/"},"modified":"2024-11-07T21:00:24","modified_gmt":"2024-11-07T13:00:24","slug":"%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e6%95%b8%e6%93%9a%e5%ba%ab1062%e7%9a%84%e9%8c%af%e8%aa%a4-%e6%95%b8%e6%93%9a%e5%ba%ab1062%e7%9a%84%e9%8c%af%e8%aa%a4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/174339\/","title":{"rendered":"\u5982\u4f55\u89e3\u6c7a\u6578\u64da\u5eab1062\u7684\u932f\u8aa4 (\u6578\u64da\u5eab1062\u7684\u932f\u8aa4)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e6%95%b8%e6%93%9a%e5%ba%ab1062%e7%9a%84%e9%8c%af%e8%aa%a4-%e6%95%b8%e6%93%9a%e5%ba%ab1062%e7%9a%84%e9%8c%af%e8%aa%a4-LYMGRZOINS\">\u5982\u4f55\u89e3\u6c7a\u6578\u64da\u5eab1062\u7684\u932f\u8aa4 (\u6578\u64da\u5eab1062\u7684\u932f\u8aa4)<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u7d93\u5e38\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u6578\u64da\u5eab1062\u7684\u932f\u8aa4\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8868\u793a\u201c\u91cd\u8907\u689d\u76ee\u201d\uff0c\u5373\u5728\u63d2\u5165\u6216\u66f4\u65b0\u6578\u64da\u6642\uff0c\u8a66\u5716\u5c07\u4e00\u500b\u5df2\u7d93\u5b58\u5728\u7684\u552f\u4e00\u9375\u6216\u4e3b\u9375\u7684\u503c\u518d\u6b21\u63d2\u5165\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u6df1\u5165\u63a2\u8a0e\u6578\u64da\u5eab1062\u7684\u932f\u8aa4\u7684\u539f\u56e0\u3001\u89e3\u6c7a\u65b9\u6848\u4ee5\u53ca\u5982\u4f55\u907f\u514d\u6b64\u985e\u932f\u8aa4\u7684\u767c\u751f\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab1062%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-LYMGRZOINS\">\u6578\u64da\u5eab1062\u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p>\u6578\u64da\u5eab1062\u932f\u8aa4\u7684\u4e3b\u8981\u539f\u56e0\u662f\u8a66\u5716\u63d2\u5165\u4e00\u500b\u5df2\u7d93\u5b58\u5728\u65bc\u6578\u64da\u8868\u4e2d\u7684\u552f\u4e00\u503c\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u4e3b\u9375\u885d\u7a81\uff1a<\/strong>\u7576\u4f60\u5617\u8a66\u63d2\u5165\u4e00\u689d\u8a18\u9304\uff0c\u5176\u4e3b\u9375\u503c\u5df2\u7d93\u5b58\u5728\u65bc\u6578\u64da\u8868\u4e2d\u3002<\/li>\n<li><strong>\u552f\u4e00\u7d22\u5f15\u885d\u7a81\uff1a<\/strong>\u7576\u4f60\u5617\u8a66\u63d2\u5165\u4e00\u689d\u8a18\u9304\uff0c\u5176\u552f\u4e00\u7d22\u5f15\u7684\u503c\u5df2\u7d93\u5b58\u5728\u65bc\u6578\u64da\u8868\u4e2d\u3002<\/li>\n<li><strong>\u6578\u64da\u4e0d\u4e00\u81f4\uff1a<\/strong>\u5728\u591a\u500b\u7528\u6236\u540c\u6642\u64cd\u4f5c\u6578\u64da\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\uff0c\u5f9e\u800c\u5f15\u767c\u6b64\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e6%95%b8%e6%93%9a%e5%ba%ab1062%e7%9a%84%e9%8c%af%e8%aa%a4-LYMGRZOINS\">\u5982\u4f55\u89e3\u6c7a\u6578\u64da\u5eab1062\u7684\u932f\u8aa4<\/h2>\n<p>\u89e3\u6c7a\u6578\u64da\u5eab1062\u932f\u8aa4\u7684\u65b9\u6cd5\u6709\u591a\u7a2e\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a-LYMGRZOINS\">1. \u6aa2\u67e5\u6578\u64da<\/h3>\n<p>\u5728\u63d2\u5165\u6578\u64da\u4e4b\u524d\uff0c\u9996\u5148\u61c9\u8a72\u6aa2\u67e5\u8981\u63d2\u5165\u7684\u6578\u64da\u662f\u5426\u5df2\u7d93\u5b58\u5728\u65bc\u6578\u64da\u8868\u4e2d\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u6aa2\u67e5\uff1a<\/p>\n<pre><code>SELECT * FROM your_table WHERE unique_column = 'value';<\/code><\/pre>\n<p>\u5982\u679c\u67e5\u8a62\u7d50\u679c\u8fd4\u56de\u4e86\u8a18\u9304\uff0c\u5247\u8868\u793a\u8a72\u503c\u5df2\u7d93\u5b58\u5728\uff0c\u61c9\u8a72\u8003\u616e\u4f7f\u7528\u4e0d\u540c\u7684\u503c\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8insert-ignore-LYMGRZOINS\">2. \u4f7f\u7528INSERT IGNORE<\/h3>\n<p>\u5982\u679c\u4f60\u5e0c\u671b\u5728\u63d2\u5165\u6642\u5ffd\u7565\u91cd\u8907\u7684\u689d\u76ee\uff0c\u53ef\u4ee5\u4f7f\u7528INSERT IGNORE\u8a9e\u53e5\u3002\u9019\u6a23\uff0c\u5982\u679c\u63d2\u5165\u7684\u6578\u64da\u5df2\u7d93\u5b58\u5728\uff0cMySQL\u5c07\u4e0d\u6703\u5831\u932f\uff0c\u800c\u662f\u7c21\u55ae\u5730\u5ffd\u7565\u8a72\u64cd\u4f5c\uff1a<\/p>\n<pre><code>INSERT IGNORE INTO your_table (unique_column) VALUES ('value');<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8on-duplicate-key-update-LYMGRZOINS\">3. \u4f7f\u7528ON DUPLICATE KEY UPDATE<\/h3>\n<p>\u5982\u679c\u4f60\u5e0c\u671b\u5728\u9047\u5230\u91cd\u8907\u9375\u6642\u66f4\u65b0\u73fe\u6709\u8a18\u9304\uff0c\u53ef\u4ee5\u4f7f\u7528ON DUPLICATE KEY UPDATE\u8a9e\u53e5\u3002\u9019\u6a23\u53ef\u4ee5\u5728\u63d2\u5165\u6642\u81ea\u52d5\u66f4\u65b0\u5df2\u5b58\u5728\u7684\u8a18\u9304\uff1a<\/p>\n<pre><code>INSERT INTO your_table (unique_column) VALUES ('value') \nON DUPLICATE KEY UPDATE another_column = 'new_value';<\/code><\/pre>\n<h3 id=\"4-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88-LYMGRZOINS\">4. \u6aa2\u67e5\u6578\u64da\u5eab\u8a2d\u8a08<\/h3>\n<p>\u5982\u679c\u7d93\u5e38\u9047\u52301062\u932f\u8aa4\uff0c\u53ef\u80fd\u9700\u8981\u91cd\u65b0\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u8a2d\u8a08\u3002\u78ba\u4fdd\u552f\u4e00\u7d22\u5f15\u548c\u4e3b\u9375\u7684\u8a2d\u7f6e\u662f\u5408\u7406\u7684\uff0c\u4e26\u4e14\u4e0d\u6703\u5c0e\u81f4\u4e0d\u5fc5\u8981\u7684\u885d\u7a81\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%81%bf%e5%85%8d%e6%95%b8%e6%93%9a%e5%ba%ab1062%e7%9a%84%e9%8c%af%e8%aa%a4-LYMGRZOINS\">\u5982\u4f55\u907f\u514d\u6578\u64da\u5eab1062\u7684\u932f\u8aa4<\/h2>\n<p>\u70ba\u4e86\u907f\u514d\u672a\u4f86\u51fa\u73fe\u6578\u64da\u5eab1062\u932f\u8aa4\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u4e8b\u52d9\uff1a<\/strong>\u5728\u9032\u884c\u591a\u500b\u6578\u64da\u64cd\u4f5c\u6642\uff0c\u4f7f\u7528\u4e8b\u52d9\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong>\u52a0\u5f37\u6578\u64da\u9a57\u8b49\uff1a<\/strong>\u5728\u61c9\u7528\u5c64\u9762\u52a0\u5f37\u5c0d\u7528\u6236\u8f38\u5165\u7684\u9a57\u8b49\uff0c\u907f\u514d\u91cd\u8907\u6578\u64da\u7684\u63d2\u5165\u3002<\/li>\n<li><strong>\u5b9a\u671f\u6e05\u7406\u6578\u64da\uff1a<\/strong>\u5b9a\u671f\u6aa2\u67e5\u548c\u6e05\u7406\u6578\u64da\u5eab\u4e2d\u7684\u91cd\u8907\u6578\u64da\uff0c\u4fdd\u6301\u6578\u64da\u7684\u6574\u6f54\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-LYMGRZOINS\">\u7e3d\u7d50<\/h2>\n<p>\u6578\u64da\u5eab1062\u7684\u932f\u8aa4\u662fMySQL\u4e2d\u5e38\u898b\u7684\u554f\u984c\uff0c\u4e3b\u8981\u7531\u65bc\u91cd\u8907\u7684\u552f\u4e00\u9375\u6216\u4e3b\u9375\u503c\u5f15\u8d77\u3002\u901a\u904e\u6aa2\u67e5\u6578\u64da\u3001\u4f7f\u7528INSERT IGNORE\u6216ON DUPLICATE KEY UPDATE\u8a9e\u53e5\uff0c\u4ee5\u53ca\u512a\u5316\u6578\u64da\u5eab\u8a2d\u8a08\uff0c\u53ef\u4ee5\u6709\u6548\u89e3\u6c7a\u548c\u907f\u514d\u6b64\u985e\u932f\u8aa4\u7684\u767c\u751f\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5eab\u7ba1\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684<a href=\"https:\/\/server.hk\">VPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u89e3\u6c7a\u6578\u64da\u5eab1062\u932f\u8aa4\uff0c\u907f\u514d\u91cd\u8907\u9375\u503c\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u548c\u7cfb\u7d71\u7a69\u5b9a\u6027\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-174339","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174339","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=174339"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174339\/revisions"}],"predecessor-version":[{"id":174340,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174339\/revisions\/174340"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=174339"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=174339"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=174339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}