{"id":173243,"date":"2024-11-07T16:22:39","date_gmt":"2024-11-07T08:22:39","guid":{"rendered":"https:\/\/server.hk\/cnblog\/173243\/"},"modified":"2024-11-07T16:22:40","modified_gmt":"2024-11-07T08:22:40","slug":"%e5%a6%82%e4%bd%95%e5%be%9e%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%8d%b2%e5%8f%96%e8%ba%ab%e4%bb%bd%e8%ad%89%e5%be%8c%e5%85%ad%e4%bd%8d%e6%95%b8%e5%ad%97%ef%bc%9f-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%b1%82","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/173243\/","title":{"rendered":"\u5982\u4f55\u5f9e\u6578\u64da\u5eab\u4e2d\u7372\u53d6\u8eab\u4efd\u8b49\u5f8c\u516d\u4f4d\u6578\u5b57\uff1f (\u6578\u64da\u5eab\u6c42\u8eab\u4efd\u8b49\u5f8c\u516d\u4f4d\u6578\u5b57)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%be%9e%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%8d%b2%e5%8f%96%e8%ba%ab%e4%bb%bd%e8%ad%89%e5%be%8c%e5%85%ad%e4%bd%8d%e6%95%b8%e5%ad%97%ef%bc%9f-lljksuHdVA\">\u5982\u4f55\u5f9e\u6578\u64da\u5eab\u4e2d\u7372\u53d6\u8eab\u4efd\u8b49\u5f8c\u516d\u4f4d\u6578\u5b57\uff1f<\/h1>\n<p>\u5728\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u8eab\u4efd\u8b49\u865f\u78bc\u7684\u5f8c\u516d\u4f4d\u6578\u5b57\u5e38\u5e38\u7528\u65bc\u8eab\u4efd\u9a57\u8b49\u548c\u6578\u64da\u8655\u7406\u3002\u9019\u4e9b\u6578\u5b57\u901a\u5e38\u4ee3\u8868\u4e86\u500b\u4eba\u7684\u51fa\u751f\u65e5\u671f\u548c\u6027\u5225\u7b49\u4fe1\u606f\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u8eab\u4efd\u8b49\u7684\u5f8c\u516d\u4f4d\u6578\u5b57\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e8%ba%ab%e4%bb%bd%e8%ad%89%e8%99%9f%e7%a2%bc%e7%9a%84%e7%b5%90%e6%a7%8b-lljksuHdVA\">\u8eab\u4efd\u8b49\u865f\u78bc\u7684\u7d50\u69cb<\/h2>\n<p>\u5728\u9999\u6e2f\uff0c\u8eab\u4efd\u8b49\u865f\u78bc\u901a\u5e38\u7531\u4e00\u500b\u5b57\u6bcd\u958b\u982d\uff0c\u5f8c\u63a5\u516d\u4f4d\u6578\u5b57\uff0c\u6700\u5f8c\u662f\u4e00\u500b\u5b57\u6bcd\u4f5c\u70ba\u6aa2\u67e5\u78bc\u3002\u9019\u500b\u7d50\u69cb\u4f7f\u5f97\u8eab\u4efd\u8b49\u865f\u78bc\u4e0d\u50c5\u5177\u6709\u552f\u4e00\u6027\uff0c\u9084\u80fd\u5920\u901a\u904e\u7279\u5b9a\u7684\u7b97\u6cd5\u9032\u884c\u9a57\u8b49\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88-lljksuHdVA\">\u6578\u64da\u5eab\u8a2d\u8a08<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u8eab\u4efd\u8b49\u865f\u78bc\u901a\u5e38\u5b58\u5132\u5728\u4e00\u500b\u8868\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u6578\u64da\u5eab\u8868\u7d50\u69cb\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT PRIMARY KEY AUTO_INCREMENT,\n    name VARCHAR(100),\n    id_card_number VARCHAR(10)\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u8868\u4e2d\uff0c`id_card_number` \u5217\u7528\u65bc\u5b58\u5132\u8eab\u4efd\u8b49\u865f\u78bc\u3002\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u8a0e\u8ad6\u5982\u4f55\u5f9e\u9019\u500b\u5217\u4e2d\u63d0\u53d6\u5f8c\u516d\u4f4d\u6578\u5b57\u3002<\/p>\n<h2 id=\"%e6%8f%90%e5%8f%96%e5%be%8c%e5%85%ad%e4%bd%8d%e6%95%b8%e5%ad%97%e7%9a%84sql%e6%9f%a5%e8%a9%a2-lljksuHdVA\">\u63d0\u53d6\u5f8c\u516d\u4f4d\u6578\u5b57\u7684SQL\u67e5\u8a62<\/h2>\n<p>\u8981\u5f9e\u8eab\u4efd\u8b49\u865f\u78bc\u4e2d\u63d0\u53d6\u5f8c\u516d\u4f4d\u6578\u5b57\uff0c\u53ef\u4ee5\u4f7f\u7528 SQL \u7684\u5b57\u7b26\u4e32\u51fd\u6578\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT SUBSTRING(id_card_number, 2, 6) AS last_six_digits\nFROM users;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c`SUBSTRING` \u51fd\u6578\u7528\u65bc\u63d0\u53d6\u5f9e\u7b2c\u4e8c\u500b\u5b57\u7b26\u958b\u59cb\u7684\u516d\u500b\u5b57\u7b26\uff0c\u9019\u6a23\u5c31\u80fd\u7372\u5f97\u8eab\u4efd\u8b49\u865f\u78bc\u7684\u5f8c\u516d\u4f4d\u6578\u5b57\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e5%be%9e%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%8d%b2%e5%8f%96%e8%ba%ab%e4%bb%bd%e8%ad%89%e5%be%8c%e5%85%ad%e4%bd%8d%e6%95%b8%e5%ad%97-lljksuHdVA\">\u793a\u4f8b\uff1a\u5f9e\u6578\u64da\u5eab\u4e2d\u7372\u53d6\u8eab\u4efd\u8b49\u5f8c\u516d\u4f4d\u6578\u5b57<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4ee5\u4e0b\u6578\u64da\uff1a<\/p>\n<pre><code>INSERT INTO users (name, id_card_number) VALUES\n('\u5f35\u4e09', 'A123456(7)'),\n('\u674e\u56db', 'B234567(8)');<\/code><\/pre>\n<p>\u57f7\u884c\u4e0a\u8ff0\u67e5\u8a62\u5f8c\uff0c\u7d50\u679c\u5c07\u986f\u793a\u5982\u4e0b\uff1a<\/p>\n<pre><code>last_six_digits\n123456\n234567<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u6211\u5011\u5c31\u6210\u529f\u5730\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u4e86\u8eab\u4efd\u8b49\u7684\u5f8c\u516d\u4f4d\u6578\u5b57\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-lljksuHdVA\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u8655\u7406\u8eab\u4efd\u8b49\u865f\u78bc\u6642\uff0c\u61c9\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u6b63\u78ba\u6027\uff0c\u907f\u514d\u56e0\u6578\u64da\u932f\u8aa4\u800c\u5c0e\u81f4\u7684\u8eab\u4efd\u9a57\u8b49\u554f\u984c\u3002<\/li>\n<li>\u9075\u5faa\u76f8\u95dc\u7684\u6cd5\u5f8b\u6cd5\u898f\uff0c\u4fdd\u8b77\u7528\u6236\u7684\u500b\u4eba\u4fe1\u606f\uff0c\u907f\u514d\u6578\u64da\u6d29\u9732\u3002<\/li>\n<li>\u5728\u9032\u884c\u6578\u64da\u64cd\u4f5c\u6642\uff0c\u8003\u616e\u5230\u6027\u80fd\u554f\u984c\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-lljksuHdVA\">\u7e3d\u7d50<\/h2>\n<p>\u5f9e\u6578\u64da\u5eab\u4e2d\u7372\u53d6\u8eab\u4efd\u8b49\u5f8c\u516d\u4f4d\u6578\u5b57\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u53ea\u9700\u4f7f\u7528\u9069\u7576\u7684 SQL \u67e5\u8a62\u5373\u53ef\u5b8c\u6210\u3002\u901a\u904e\u6b63\u78ba\u7684\u6578\u64da\u5eab\u8a2d\u8a08\u548c\u67e5\u8a62\u8a9e\u53e5\uff0c\u6211\u5011\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u53d6\u6240\u9700\u7684\u4fe1\u606f\u3002\u5728\u9032\u884c\u9019\u4e9b\u64cd\u4f5c\u6642\uff0c\u52d9\u5fc5\u9075\u5faa\u76f8\u95dc\u7684\u6cd5\u5f8b\u6cd5\u898f\uff0c\u4ee5\u78ba\u4fdd\u7528\u6236\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u96b1\u79c1\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u6e90\u548c\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u8eab\u4efd\u8b49\u7684\u5f8c\u516d\u4f4d\u6578\u5b57\uff0c\u638c\u63e1\u6709\u6548\u7684\u67e5\u8a62\u6280\u5de7\u548c\u6578\u64da\u8655\u7406\u65b9\u6cd5\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-173243","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173243","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=173243"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173243\/revisions"}],"predecessor-version":[{"id":173244,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173243\/revisions\/173244"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=173243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=173243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=173243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}