{"id":185964,"date":"2024-11-11T01:58:19","date_gmt":"2024-11-10T17:58:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185964\/"},"modified":"2024-11-11T01:58:20","modified_gmt":"2024-11-10T17:58:20","slug":"%e6%95%b8%e6%93%9a%e5%ba%abid%e8%87%aa%e5%a2%9e%ef%bc%8c%e5%88%aa%e6%8e%89%e5%a4%9a%e9%a4%98%e6%95%b8%e6%93%9a%ef%bc%88%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84id%e8%87%aa%e5%a2%9e%e5%88%aa%e9%99%a4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185964\/","title":{"rendered":"\u6578\u64da\u5eabid\u81ea\u589e\uff0c\u522a\u6389\u591a\u9918\u6578\u64da\uff08\u6578\u64da\u5eab\u7684id\u81ea\u589e\u522a\u9664\u5176\u4e2d\u7684\u5167\u5bb9\uff09"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%abid%e8%87%aa%e5%a2%9e%e8%88%87%e5%88%aa%e9%99%a4%e5%a4%9a%e9%a4%98%e6%95%b8%e6%93%9a-PJLWgFOgBM\">\u6578\u64da\u5eabID\u81ea\u589e\u8207\u522a\u9664\u591a\u9918\u6578\u64da<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u81ea\u589eID\u662f\u4e00\u500b\u5e38\u898b\u7684\u8a2d\u8a08\u6a21\u5f0f\uff0c\u5c24\u5176\u662f\u5728\u95dc\u806f\u578b\u6578\u64da\u5eab\u4e2d\u3002\u81ea\u589eID\u7684\u4e3b\u8981\u529f\u80fd\u662f\u70ba\u6bcf\u4e00\u689d\u8a18\u9304\u81ea\u52d5\u751f\u6210\u552f\u4e00\u7684\u6a19\u8b58\u7b26\uff0c\u9019\u6a23\u53ef\u4ee5\u7c21\u5316\u6578\u64da\u7684\u63d2\u5165\u548c\u67e5\u8a62\u904e\u7a0b\u3002\u7136\u800c\uff0c\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u6578\u64da\u5eab\u4e2d\u53ef\u80fd\u6703\u51fa\u73fe\u591a\u9918\u7684\u6578\u64da\uff0c\u9019\u4e9b\u6578\u64da\u4e0d\u50c5\u4f54\u7528\u5b58\u5132\u7a7a\u9593\uff0c\u9084\u53ef\u80fd\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u81ea\u589eID\u548c\u522a\u9664\u591a\u9918\u6578\u64da\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<h2 id=\"%e8%87%aa%e5%a2%9eid%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-PJLWgFOgBM\">\u81ea\u589eID\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>\u81ea\u589eID\u901a\u5e38\u662f\u901a\u904e\u6578\u64da\u5eab\u7684\u81ea\u589e\u5c6c\u6027\u4f86\u5be6\u73fe\u7684\u3002\u5728\u5275\u5efa\u8868\u6642\uff0c\u53ef\u4ee5\u5c07\u67d0\u4e00\u5217\u8a2d\u7f6e\u70ba\u81ea\u589e\uff0c\u9019\u6a23\u6bcf\u7576\u63d2\u5165\u65b0\u8a18\u9304\u6642\uff0c\u6578\u64da\u5eab\u6703\u81ea\u52d5\u70ba\u8a72\u5217\u751f\u6210\u4e00\u500b\u552f\u4e00\u7684\u6574\u6578\u503c\u3002\u4f8b\u5982\uff0c\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u9019\u6a23\u5275\u5efa\u4e00\u500b\u8868\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    username VARCHAR(50) NOT NULL,\n    email VARCHAR(100) NOT NULL\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u7576\u6211\u5011\u63d2\u5165\u65b0\u7528\u6236\u6642\uff0c`id`\u5217\u6703\u81ea\u52d5\u589e\u52a0\uff0c\u78ba\u4fdd\u6bcf\u500b\u7528\u6236\u90fd\u6709\u4e00\u500b\u552f\u4e00\u7684\u6a19\u8b58\u7b26\u3002<\/p>\n<h2 id=\"%e5%88%aa%e9%99%a4%e5%a4%9a%e9%a4%98%e6%95%b8%e6%93%9a%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-PJLWgFOgBM\">\u522a\u9664\u591a\u9918\u6578\u64da\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\uff0c\u6578\u64da\u5eab\u4e2d\u53ef\u80fd\u6703\u51fa\u73fe\u4e00\u4e9b\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u4f8b\u5982\u904e\u671f\u7684\u7528\u6236\u8cec\u865f\u3001\u6e2c\u8a66\u6578\u64da\u6216\u91cd\u8907\u7684\u8a18\u9304\u3002\u9019\u4e9b\u591a\u9918\u7684\u6578\u64da\u4e0d\u50c5\u6d6a\u8cbb\u5b58\u5132\u7a7a\u9593\uff0c\u9084\u53ef\u80fd\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u6e05\u7406\u6578\u64da\u5eab\u662f\u7dad\u8b77\u6578\u64da\u5eab\u5065\u5eb7\u7684\u91cd\u8981\u6b65\u9a5f\u3002<\/p>\n<h2 id=\"%e5%88%aa%e9%99%a4%e5%a4%9a%e9%a4%98%e6%95%b8%e6%93%9a%e7%9a%84%e6%96%b9%e6%b3%95-PJLWgFOgBM\">\u522a\u9664\u591a\u9918\u6578\u64da\u7684\u65b9\u6cd5<\/h2>\n<p>\u522a\u9664\u591a\u9918\u6578\u64da\u7684\u65b9\u6cd5\u6709\u5f88\u591a\uff0c\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u57fa\u65bc\u689d\u4ef6\u7684\u522a\u9664\uff1a<\/strong>\u53ef\u4ee5\u4f7f\u7528SQL\u8a9e\u53e5\u6839\u64da\u7279\u5b9a\u689d\u4ef6\u522a\u9664\u4e0d\u9700\u8981\u7684\u6578\u64da\u3002\u4f8b\u5982\uff0c\u522a\u9664\u6240\u6709\u672a\u6fc0\u6d3b\u7684\u7528\u6236\uff1a<\/li>\n<\/ul>\n<pre><code>DELETE FROM users WHERE activated = 0;<\/code><\/pre>\n<ul>\n<li><strong>\u6279\u91cf\u522a\u9664\uff1a<\/strong>\u5982\u679c\u9700\u8981\u522a\u9664\u5927\u91cf\u6578\u64da\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u6279\u91cf\u522a\u9664\u7684\u65b9\u5f0f\uff0c\u4ee5\u63d0\u9ad8\u6548\u7387\u3002\u4f8b\u5982\uff0c\u522a\u9664\u8d85\u904e\u4e00\u5e74\u672a\u767b\u9304\u7684\u7528\u6236\uff1a<\/li>\n<\/ul>\n<pre><code>DELETE FROM users WHERE last_login &lt; NOW() - INTERVAL 1 YEAR;<\/code><\/pre>\n<ul>\n<li><strong>\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong>\u5728\u522a\u9664\u64cd\u4f5c\u4e4b\u524d\uff0c\u78ba\u4fdd\u76f8\u95dc\u5217\u6709\u7d22\u5f15\uff0c\u9019\u6a23\u53ef\u4ee5\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\uff0c\u5f9e\u800c\u63d0\u9ad8\u522a\u9664\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%87%aa%e5%a2%9eid%e7%9a%84%e9%87%8d%e7%94%a8%e5%95%8f%e9%a1%8c-PJLWgFOgBM\">\u81ea\u589eID\u7684\u91cd\u7528\u554f\u984c<\/h2>\n<p>\u5728\u522a\u9664\u6578\u64da\u5f8c\uff0c\u81ea\u589eID\u4e0d\u6703\u81ea\u52d5\u91cd\u7528\u5df2\u522a\u9664\u8a18\u9304\u7684ID\u3002\u9019\u610f\u5473\u8457\u5373\u4f7f\u522a\u9664\u4e86\u591a\u9918\u7684\u6578\u64da\uff0cID\u7684\u5e8f\u5217\u4ecd\u7136\u6703\u6301\u7e8c\u589e\u9577\u3002\u9019\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u53ef\u80fd\u6703\u5c0e\u81f4ID\u7684\u6d6a\u8cbb\uff0c\u7279\u5225\u662f\u5728\u6578\u64da\u5eab\u4e2d\u6709\u5927\u91cf\u522a\u9664\u64cd\u4f5c\u7684\u60c5\u6cc1\u4e0b\u3002\u96d6\u7136\u9019\u4e0d\u6703\u5f71\u97ff\u6578\u64da\u5eab\u7684\u529f\u80fd\uff0c\u4f46\u5728\u67d0\u4e9b\u61c9\u7528\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u8003\u616eID\u7684\u7ba1\u7406\u7b56\u7565\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-PJLWgFOgBM\">\u7d50\u8ad6<\/h2>\n<p>\u6578\u64da\u5eab\u7684\u81ea\u589eID\u8a2d\u8a08\u70ba\u6578\u64da\u7ba1\u7406\u63d0\u4f9b\u4e86\u4fbf\u5229\uff0c\u4f46\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\uff0c\u5b9a\u671f\u6e05\u7406\u591a\u9918\u6578\u64da\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u901a\u904e\u6709\u6548\u7684\u522a\u9664\u7b56\u7565\uff0c\u53ef\u4ee5\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u7528\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u6216\u5176\u4ed6\u76f8\u95dc\u6280\u8853\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u8cc7\u8a0a\uff0c\u63a2\u7d22\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">VPS<\/a>\u548c<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u8a0e\u6578\u64da\u5eab\u4e2d\u81ea\u589eID\u7684\u7ba1\u7406\uff0c\u5982\u4f55\u6709\u6548\u522a\u9664\u591a\u9918\u6578\u64da\u4ee5\u4fdd\u6301\u6578\u64da\u6574\u6f54\u8207\u6027\u80fd\u512a\u5316\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-185964","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185964","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=185964"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185964\/revisions"}],"predecessor-version":[{"id":185965,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185964\/revisions\/185965"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=185964"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=185964"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=185964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}