{"id":187032,"date":"2024-11-11T10:53:19","date_gmt":"2024-11-11T02:53:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187032\/"},"modified":"2024-11-11T10:53:20","modified_gmt":"2024-11-11T02:53:20","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%be%e4%b8%80%e5%b0%8d%e5%a4%9a%e5%88%b0%e4%b8%80%e5%b0%8d%e4%b8%80%e7%9a%84%e8%bd%89%e6%8f%9b-%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%80%e5%b0%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187032\/","title":{"rendered":"\u6578\u64da\u5eab\u5982\u4f55\u5be6\u73fe\u4e00\u5c0d\u591a\u5230\u4e00\u5c0d\u4e00\u7684\u8f49\u63db (\u6578\u64da\u5eab\u4e00\u5c0d\u591a\u600e\u9ebc\u6539\u6210\u4e00\u5c0d\u4e00)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%be%e4%b8%80%e5%b0%8d%e5%a4%9a%e5%88%b0%e4%b8%80%e5%b0%8d%e4%b8%80%e7%9a%84%e8%bd%89%e6%8f%9b-eteAjzaHLK\">\u6578\u64da\u5eab\u5982\u4f55\u5be6\u73fe\u4e00\u5c0d\u591a\u5230\u4e00\u5c0d\u4e00\u7684\u8f49\u63db<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\uff0c\u4e00\u5c0d\u591a\uff081:N\uff09\u548c\u4e00\u5c0d\u4e00\uff081:1\uff09\u95dc\u4fc2\u662f\u5169\u7a2e\u5e38\u898b\u7684\u6578\u64da\u95dc\u806f\u6a21\u5f0f\u3002\u7406\u89e3\u5982\u4f55\u5c07\u4e00\u5c0d\u591a\u7684\u95dc\u4fc2\u8f49\u63db\u70ba\u4e00\u5c0d\u4e00\u7684\u95dc\u4fc2\uff0c\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u512a\u5316\u548c\u6578\u64da\u5b8c\u6574\u6027\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u4e00\u8f49\u63db\u7684\u5fc5\u8981\u6027\u3001\u65b9\u6cd5\u53ca\u5176\u5be6\u969b\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%b8%80%e5%b0%8d%e5%a4%9a%e8%88%87%e4%b8%80%e5%b0%8d%e4%b8%80%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-eteAjzaHLK\">\u4e00\u5c0d\u591a\u8207\u4e00\u5c0d\u4e00\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u4e00\u5c0d\u591a\u95dc\u4fc2\u6307\u7684\u662f\u4e00\u500b\u8a18\u9304\u53ef\u4ee5\u95dc\u806f\u591a\u500b\u8a18\u9304\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u500b\u300c\u7528\u6236\u300d\u8868\u4e2d\uff0c\u6bcf\u500b\u7528\u6236\u53ef\u4ee5\u64c1\u6709\u591a\u500b\u300c\u8a02\u55ae\u300d\u3002\u800c\u4e00\u5c0d\u4e00\u95dc\u4fc2\u5247\u662f\u6307\u4e00\u500b\u8a18\u9304\u50c5\u80fd\u95dc\u806f\u4e00\u500b\u8a18\u9304\uff0c\u4f8b\u5982\u300c\u7528\u6236\u300d\u8868\u4e2d\u7684\u6bcf\u500b\u7528\u6236\u53ea\u80fd\u6709\u4e00\u500b\u300c\u7528\u6236\u8cc7\u6599\u300d\u8868\u7684\u8a18\u9304\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e8%bd%89%e6%8f%9b-eteAjzaHLK\">\u70ba\u4ec0\u9ebc\u9700\u8981\u8f49\u63db<\/h2>\n<p>\u5c07\u4e00\u5c0d\u591a\u95dc\u4fc2\u8f49\u63db\u70ba\u4e00\u5c0d\u4e00\u95dc\u4fc2\u7684\u539f\u56e0\u53ef\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6578\u64da\u5197\u9918\uff1a\u4e00\u5c0d\u591a\u95dc\u4fc2\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u91cd\u8907\uff0c\u589e\u52a0\u5b58\u5132\u6210\u672c\u3002<\/li>\n<li>\u6578\u64da\u5b8c\u6574\u6027\uff1a\u4e00\u5c0d\u4e00\u95dc\u4fc2\u53ef\u4ee5\u66f4\u597d\u5730\u4fdd\u8b49\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/li>\n<li>\u67e5\u8a62\u6548\u7387\uff1a\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u67e5\u8a62\u4e00\u5c0d\u4e00\u95dc\u4fc2\u7684\u6578\u64da\u6bd4\u67e5\u8a62\u4e00\u5c0d\u591a\u95dc\u4fc2\u66f4\u9ad8\u6548\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%bd%89%e6%8f%9b%e6%96%b9%e6%b3%95-eteAjzaHLK\">\u8f49\u63db\u65b9\u6cd5<\/h2>\n<p>\u5c07\u4e00\u5c0d\u591a\u95dc\u4fc2\u8f49\u63db\u70ba\u4e00\u5c0d\u4e00\u95dc\u4fc2\u7684\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e5%ae%9a%e8%bd%89%e6%8f%9b%e7%9a%84%e9%9c%80%e6%b1%82-eteAjzaHLK\">1. \u78ba\u5b9a\u8f49\u63db\u7684\u9700\u6c42<\/h3>\n<p>\u9996\u5148\uff0c\u9700\u8981\u8a55\u4f30\u70ba\u4ec0\u9ebc\u8981\u9032\u884c\u9019\u4e00\u8f49\u63db\u3002\u78ba\u4fdd\u8f49\u63db\u5f8c\u7684\u6578\u64da\u7d50\u69cb\u80fd\u5920\u6eff\u8db3\u696d\u52d9\u9700\u6c42\u3002<\/p>\n<h3 id=\"2-%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e6%a8%a1%e5%9e%8b-eteAjzaHLK\">2. \u4fee\u6539\u6578\u64da\u6a21\u578b<\/h3>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u60a8\u9700\u8981\u4fee\u6539\u8868\u7d50\u69cb\u3002\u5047\u8a2d\u6211\u5011\u6709\u4ee5\u4e0b\u5169\u500b\u8868\uff1a<\/p>\n<pre><code>\u7528\u6236\u8868 (Users)\n- \u7528\u6236ID (UserID)\n- \u7528\u6236\u540d (Username)\n\n\u8a02\u55ae\u8868 (Orders)\n- \u8a02\u55aeID (OrderID)\n- \u7528\u6236ID (UserID)\n- \u8a02\u55ae\u8a73\u60c5 (OrderDetails)<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u5c07\u300c\u8a02\u55ae\u8868\u300d\u4e2d\u7684\u6bcf\u500b\u7528\u6236ID\u9650\u5236\u70ba\u552f\u4e00\uff0c\u9019\u6a23\u5c31\u53ef\u4ee5\u5c07\u5176\u8f49\u63db\u70ba\u4e00\u5c0d\u4e00\u95dc\u4fc2\u3002<\/p>\n<h3 id=\"3-%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-eteAjzaHLK\">3. \u66f4\u65b0\u6578\u64da<\/h3>\n<p>\u5728\u4fee\u6539\u8868\u7d50\u69cb\u5f8c\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u9019\u53ef\u80fd\u6d89\u53ca\u5230\u5408\u4f75\u6578\u64da\u6216\u522a\u9664\u5197\u9918\u8a18\u9304\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u9078\u64c7\u4fdd\u7559\u6700\u65b0\u7684\u8a02\u55ae\u8a18\u9304\uff0c\u4e26\u522a\u9664\u5176\u4ed6\u91cd\u8907\u7684\u8a02\u55ae\u3002<\/p>\n<h3 id=\"4-%e5%af%a6%e6%96%bd%e7%b4%84%e6%9d%9f%e6%a2%9d%e4%bb%b6-eteAjzaHLK\">4. \u5be6\u65bd\u7d04\u675f\u689d\u4ef6<\/h3>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u60a8\u53ef\u4ee5\u901a\u904e\u6dfb\u52a0\u552f\u4e00\u7d04\u675f\u4f86\u5f37\u5236\u57f7\u884c\u4e00\u5c0d\u4e00\u95dc\u4fc2\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>ALTER TABLE Orders\nADD CONSTRAINT UC_UserID UNIQUE (UserID);<\/code><\/pre>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e6%a1%88%e4%be%8b-eteAjzaHLK\">\u5be6\u969b\u61c9\u7528\u6848\u4f8b<\/h2>\n<p>\u5047\u8a2d\u4e00\u500b\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u5e0c\u671b\u5c07\u7528\u6236\u7684\u8a02\u55ae\u4fe1\u606f\u8f49\u63db\u70ba\u7528\u6236\u8cc7\u6599\u3002\u9019\u6a23\u505a\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u5197\u9918\uff0c\u4e26\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u901a\u904e\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u5e73\u53f0\u53ef\u4ee5\u5c07\u300c\u8a02\u55ae\u8868\u300d\u4e2d\u7684\u6bcf\u500b\u7528\u6236ID\u8a2d\u7f6e\u70ba\u552f\u4e00\uff0c\u4e26\u5c07\u5176\u8207\u300c\u7528\u6236\u8cc7\u6599\u300d\u8868\u9032\u884c\u95dc\u806f\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-eteAjzaHLK\">\u7d50\u8ad6<\/h2>\n<p>\u5c07\u6578\u64da\u5eab\u4e2d\u7684\u4e00\u5c0d\u591a\u95dc\u4fc2\u8f49\u63db\u70ba\u4e00\u5c0d\u4e00\u95dc\u4fc2\u662f\u4e00\u500b\u91cd\u8981\u7684\u6578\u64da\u7ba1\u7406\u904e\u7a0b\u3002\u901a\u904e\u5408\u7406\u7684\u6578\u64da\u6a21\u578b\u8a2d\u8a08\u548c\u7d04\u675f\u689d\u4ef6\u7684\u5be6\u65bd\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u67e5\u8a62\u6548\u7387\u3002\u9019\u4e00\u904e\u7a0b\u4e0d\u50c5\u80fd\u5920\u512a\u5316\u6578\u64da\u7d50\u69cb\uff0c\u9084\u80fd\u70ba\u696d\u52d9\u6c7a\u7b56\u63d0\u4f9b\u66f4\u6e96\u78ba\u7684\u6578\u64da\u652f\u6301\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u6578\u64da\u5eab\u7ba1\u7406\u548c\u512a\u5316\u7684\u8cc7\u8a0a\uff0c\u60a8\u53ef\u4ee5\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u63a2\u7d22\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u53ca\u5176\u4ed6\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u5c07\u4e00\u5c0d\u591a\u95dc\u4fc2\u8f49\u63db\u70ba\u4e00\u5c0d\u4e00\u95dc\u4fc2\uff0c\u63d0\u5347\u6578\u64da\u7d50\u69cb\u7684\u6548\u7387\u8207\u4e00\u81f4\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-187032","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187032","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=187032"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187032\/revisions"}],"predecessor-version":[{"id":187033,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187032\/revisions\/187033"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187032"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187032"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187032"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}