{"id":179532,"date":"2024-11-09T02:36:17","date_gmt":"2024-11-08T18:36:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179532\/"},"modified":"2024-11-09T02:36:18","modified_gmt":"2024-11-08T18:36:18","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-c-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e4%b8%ad%e8%a8%ad%e7%bd%ae%e4%b8%80%e5%88%97%e7%9a%84%e9%bb%98%e8%aa%8d%e5%80%bc-c-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e4%b8%80","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179532\/","title":{"rendered":"\u5982\u4f55\u5728 C \u6578\u64da\u5eab\u8868\u4e2d\u8a2d\u7f6e\u4e00\u5217\u7684\u9ed8\u8a8d\u503c (c \u6578\u64da\u5eab\u8868\u4e00\u5217\u9ed8\u8a8d\u503c)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8-c-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e4%b8%ad%e8%a8%ad%e7%bd%ae%e4%b8%80%e5%88%97%e7%9a%84%e9%bb%98%e8%aa%8d%e5%80%bc-KpjZqHMwEr\">\u5982\u4f55\u5728 C \u6578\u64da\u5eab\u8868\u4e2d\u8a2d\u7f6e\u4e00\u5217\u7684\u9ed8\u8a8d\u503c<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\uff0c\u8a2d\u7f6e\u9ed8\u8a8d\u503c\u662f\u4e00\u500b\u91cd\u8981\u7684\u6b65\u9a5f\uff0c\u56e0\u70ba\u5b83\u53ef\u4ee5\u78ba\u4fdd\u5728\u63d2\u5165\u65b0\u8a18\u9304\u6642\uff0c\u67d0\u4e9b\u5217\u81ea\u52d5\u586b\u5145\u9810\u8a2d\u503c\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 C \u6578\u64da\u5eab\u8868\u4e2d\u8a2d\u7f6e\u4e00\u5217\u7684\u9ed8\u8a8d\u503c\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e9%bb%98%e8%aa%8d%e5%80%bc%e7%9a%84%e6%a6%82%e5%bf%b5-KpjZqHMwEr\">\u9ed8\u8a8d\u503c\u7684\u6982\u5ff5<\/h2>\n<p>\u9ed8\u8a8d\u503c\u662f\u6307\u5728\u63d2\u5165\u65b0\u8a18\u9304\u6642\uff0c\u5982\u679c\u672a\u63d0\u4f9b\u7279\u5b9a\u5217\u7684\u503c\uff0c\u6578\u64da\u5eab\u5c07\u81ea\u52d5\u4f7f\u7528\u7684\u503c\u3002\u9019\u5c0d\u65bc\u67d0\u4e9b\u5217\u4f86\u8aaa\u662f\u975e\u5e38\u6709\u7528\u7684\uff0c\u4f8b\u5982\u5275\u5efa\u6642\u9593\u3001\u72c0\u614b\u6a19\u8a8c\u7b49\u3002\u8a2d\u7f6e\u9ed8\u8a8d\u503c\u53ef\u4ee5\u6e1b\u5c11\u932f\u8aa4\u4e26\u7c21\u5316\u6578\u64da\u63d2\u5165\u904e\u7a0b\u3002<\/p>\n<h2 id=\"%e5%9c%a8-c-%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e8%a8%ad%e7%bd%ae%e9%bb%98%e8%aa%8d%e5%80%bc-KpjZqHMwEr\">\u5728 C \u6578\u64da\u5eab\u4e2d\u8a2d\u7f6e\u9ed8\u8a8d\u503c<\/h2>\n<p>\u5728 C \u6578\u64da\u5eab\u4e2d\uff0c\u8a2d\u7f6e\u9ed8\u8a8d\u503c\u901a\u5e38\u662f\u5728\u5275\u5efa\u8868\u6642\u6216\u4fee\u6539\u8868\u7d50\u69cb\u6642\u9032\u884c\u7684\u3002\u4ee5\u4e0b\u662f\u5169\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e5%89%b5%e5%bb%ba%e8%a1%a8%e6%99%82%e8%a8%ad%e7%bd%ae%e9%bb%98%e8%aa%8d%e5%80%bc-KpjZqHMwEr\">1. \u5275\u5efa\u8868\u6642\u8a2d\u7f6e\u9ed8\u8a8d\u503c<\/h3>\n<pre><code>CREATE TABLE users (\n    id INT PRIMARY KEY AUTO_INCREMENT,\n    username VARCHAR(50) NOT NULL,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,\n    status TINYINT DEFAULT 1\n);<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u7576\u63d2\u5165\u65b0\u7528\u6236\u6642\uff0c\u5982\u679c\u672a\u63d0\u4f9b <code>created_at<\/code> \u548c <code>status<\/code> \u7684\u503c\uff0c\u5247 <code>created_at<\/code> \u5c07\u81ea\u52d5\u8a2d\u7f6e\u70ba\u7576\u524d\u6642\u9593\uff0c\u800c <code>status<\/code> \u5c07\u9ed8\u8a8d\u70ba 1\u3002<\/p>\n<h3 id=\"2-%e4%bf%ae%e6%94%b9%e8%a1%a8%e7%b5%90%e6%a7%8b%e4%bb%a5%e6%b7%bb%e5%8a%a0%e9%bb%98%e8%aa%8d%e5%80%bc-KpjZqHMwEr\">2. \u4fee\u6539\u8868\u7d50\u69cb\u4ee5\u6dfb\u52a0\u9ed8\u8a8d\u503c<\/h3>\n<p>\u5982\u679c\u60a8\u5df2\u7d93\u6709\u4e00\u500b\u8868\u4e26\u5e0c\u671b\u70ba\u67d0\u4e00\u5217\u6dfb\u52a0\u9ed8\u8a8d\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>ALTER TABLE<\/code> \u8a9e\u53e5\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>ALTER TABLE users\nMODIFY COLUMN status TINYINT DEFAULT 0;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07 <code>users<\/code> \u8868\u4e2d\u7684 <code>status<\/code> \u5217\u7684\u9ed8\u8a8d\u503c\u66f4\u6539\u70ba 0\u3002\u9019\u610f\u5473\u8457\u5728\u672a\u63d0\u4f9b\u8a72\u5217\u7684\u503c\u6642\uff0c\u5c07\u81ea\u52d5\u4f7f\u7528 0 \u4f5c\u70ba\u9ed8\u8a8d\u503c\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-KpjZqHMwEr\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u9ed8\u8a8d\u503c\u5fc5\u9808\u8207\u5217\u7684\u6578\u64da\u985e\u578b\u76f8\u7b26\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u6574\u6578\u985e\u578b\u7684\u5217\uff0c\u9ed8\u8a8d\u503c\u4e5f\u5fc5\u9808\u662f\u6574\u6578\u3002<\/li>\n<li>\u5728\u8a2d\u7f6e\u9ed8\u8a8d\u503c\u6642\uff0c\u61c9\u8003\u616e\u696d\u52d9\u908f\u8f2f\uff0c\u78ba\u4fdd\u9ed8\u8a8d\u503c\u80fd\u5920\u6b63\u78ba\u53cd\u6620\u6578\u64da\u7684\u72c0\u614b\u3002<\/li>\n<li>\u5982\u679c\u5217\u5df2\u7d93\u5b58\u5728\u6578\u64da\uff0c\u4fee\u6539\u9ed8\u8a8d\u503c\u4e0d\u6703\u5f71\u97ff\u73fe\u6709\u8a18\u9304\uff0c\u50c5\u5c0d\u672a\u4f86\u63d2\u5165\u7684\u8a18\u9304\u751f\u6548\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-KpjZqHMwEr\">\u7d50\u8ad6<\/h2>\n<p>\u8a2d\u7f6e\u9ed8\u8a8d\u503c\u662f\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\u7684\u4e00\u500b\u91cd\u8981\u6b65\u9a5f\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u5728 C \u6578\u64da\u5eab\u4e2d\uff0c\u60a8\u53ef\u4ee5\u5728\u5275\u5efa\u8868\u6642\u6216\u901a\u904e\u4fee\u6539\u8868\u7d50\u69cb\u4f86\u8a2d\u7f6e\u9ed8\u8a8d\u503c\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u7f6e\u9ed8\u8a8d\u503c\uff0c\u60a8\u53ef\u4ee5\u7c21\u5316\u6578\u64da\u63d2\u5165\u904e\u7a0b\uff0c\u6e1b\u5c11\u932f\u8aa4\u7684\u767c\u751f\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u6216\u5176\u4ed6\u6280\u8853\u554f\u984c\u6709\u9032\u4e00\u6b65\u7684\u9700\u6c42\uff0c\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u548c\u6578\u64da\u5eab\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728 C \u6578\u64da\u5eab\u8868\u4e2d\u8a2d\u7f6e\u5217\u7684\u9ed8\u8a8d\u503c\uff0c\u7c21\u5316\u6578\u64da\u63d2\u5165\u904e\u7a0b\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\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-179532","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179532","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=179532"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179532\/revisions"}],"predecessor-version":[{"id":179533,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179532\/revisions\/179533"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179532"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179532"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179532"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}