{"id":154779,"date":"2024-11-02T18:08:19","date_gmt":"2024-11-02T10:08:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/154779\/"},"modified":"2024-11-02T18:08:20","modified_gmt":"2024-11-02T10:08:20","slug":"%e5%a4%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e6%94%af%e6%8c%81%ef%bc%8c%e5%84%aa%e5%8c%96%e7%b6%b2%e7%ab%99%e6%80%a7%e8%83%bd%ef%bc%88%e4%b8%80%e5%80%8b%e7%b6%b2%e7%ab%99%e5%a4%9a%e5%80%8b%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/154779\/","title":{"rendered":"\u591a\u6578\u64da\u5eab\u652f\u6301\uff0c\u512a\u5316\u7db2\u7ad9\u6027\u80fd\uff08\u4e00\u500b\u7db2\u7ad9\u591a\u500b\u6578\u64da\u5eab\uff09"},"content":{"rendered":"<h1 id=\"%e5%a4%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e6%94%af%e6%8c%81%ef%bc%8c%e5%84%aa%e5%8c%96%e7%b6%b2%e7%ab%99%e6%80%a7%e8%83%bd%ef%bc%88%e4%b8%80%e5%80%8b%e7%b6%b2%e7%ab%99%e5%a4%9a%e5%80%8b%e6%95%b8%e6%93%9a-oKhbAZXNJi\">\u591a\u6578\u64da\u5eab\u652f\u6301\uff0c\u512a\u5316\u7db2\u7ad9\u6027\u80fd\uff08\u4e00\u500b\u7db2\u7ad9\u591a\u500b\u6578\u64da\u5eab\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u7db2\u7ad9\u7684\u6027\u80fd\u5c0d\u65bc\u7528\u6236\u9ad4\u9a57\u548c\u641c\u7d22\u5f15\u64ce\u6392\u540d\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u7db2\u7ad9\u6d41\u91cf\u7684\u589e\u52a0\uff0c\u55ae\u4e00\u6578\u64da\u5eab\u53ef\u80fd\u7121\u6cd5\u6eff\u8db3\u6240\u6709\u8acb\u6c42\uff0c\u9019\u6642\u5019\u591a\u6578\u64da\u5eab\u652f\u6301\u7684\u67b6\u69cb\u4fbf\u6210\u70ba\u4e86\u4e00\u7a2e\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u591a\u6578\u64da\u5eab\u652f\u6301\u7684\u6982\u5ff5\u53ca\u5176\u5982\u4f55\u512a\u5316\u7db2\u7ad9\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e5%a4%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e6%94%af%e6%8c%81%e7%9a%84%e6%a6%82%e5%bf%b5-oKhbAZXNJi\">\u591a\u6578\u64da\u5eab\u652f\u6301\u7684\u6982\u5ff5<\/h2>\n<p>\u591a\u6578\u64da\u5eab\u652f\u6301\u662f\u6307\u5728\u4e00\u500b\u7db2\u7ad9\u4e2d\u4f7f\u7528\u591a\u500b\u6578\u64da\u5eab\u4f86\u5b58\u5132\u548c\u7ba1\u7406\u6578\u64da\u3002\u9019\u7a2e\u67b6\u69cb\u53ef\u4ee5\u6839\u64da\u4e0d\u540c\u7684\u9700\u6c42\u5c07\u6578\u64da\u5206\u6563\u5230\u4e0d\u540c\u7684\u6578\u64da\u5eab\u4e2d\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u7684\u8b80\u53d6\u548c\u5beb\u5165\u6548\u7387\u3002\u5e38\u898b\u7684\u5be6\u73fe\u65b9\u5f0f\u5305\u62ec\u5c07\u6578\u64da\u6839\u64da\u985e\u578b\u3001\u529f\u80fd\u6216\u7528\u6236\u5206\u7d44\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u55ae\u4e00\u6578\u64da\u5eab\u7684\u8ca0\u64d4\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87%e5%a4%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e6%94%af%e6%8c%81%ef%bc%9f-oKhbAZXNJi\">\u70ba\u4ec0\u9ebc\u9078\u64c7\u591a\u6578\u64da\u5eab\u652f\u6301\uff1f<\/h2>\n<ul>\n<li><strong>\u6027\u80fd\u63d0\u5347\uff1a<\/strong>\u591a\u6578\u64da\u5eab\u53ef\u4ee5\u5206\u6563\u8acb\u6c42\uff0c\u6e1b\u5c11\u55ae\u4e00\u6578\u64da\u5eab\u7684\u8ca0\u8f09\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<li><strong>\u53ef\u64f4\u5c55\u6027\uff1a<\/strong>\u96a8\u8457\u7db2\u7ad9\u7684\u589e\u9577\uff0c\u53ef\u4ee5\u8f15\u9b06\u5730\u6dfb\u52a0\u65b0\u7684\u6578\u64da\u5eab\u4f86\u8655\u7406\u66f4\u591a\u7684\u6578\u64da\u548c\u8acb\u6c42\u3002<\/li>\n<li><strong>\u6578\u64da\u9694\u96e2\uff1a<\/strong>\u4e0d\u540c\u985e\u578b\u7684\u6578\u64da\u53ef\u4ee5\u5b58\u5132\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u4e2d\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u7ba1\u7406\u6548\u7387\u3002<\/li>\n<li><strong>\u6545\u969c\u5bb9\u5fcd\uff1a<\/strong>\u5982\u679c\u4e00\u500b\u6578\u64da\u5eab\u51fa\u73fe\u6545\u969c\uff0c\u5176\u4ed6\u6578\u64da\u5eab\u4ecd\u7136\u53ef\u4ee5\u6b63\u5e38\u904b\u884c\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%be%e5%a4%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e6%94%af%e6%8c%81-oKhbAZXNJi\">\u5982\u4f55\u5be6\u73fe\u591a\u6578\u64da\u5eab\u652f\u6301<\/h2>\n<p>\u5be6\u73fe\u591a\u6578\u64da\u5eab\u652f\u6301\u9700\u8981\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88-oKhbAZXNJi\">1. \u6578\u64da\u5eab\u8a2d\u8a08<\/h3>\n<p>\u9996\u5148\uff0c\u9700\u8981\u6839\u64da\u7db2\u7ad9\u7684\u9700\u6c42\u8a2d\u8a08\u6578\u64da\u5eab\u67b6\u69cb\u3002\u53ef\u4ee5\u6839\u64da\u6578\u64da\u7684\u985e\u578b\u6216\u529f\u80fd\u5c07\u6578\u64da\u5206\u70ba\u4e0d\u540c\u7684\u6578\u64da\u5eab\u3002\u4f8b\u5982\uff0c\u5c07\u7528\u6236\u6578\u64da\u3001\u7522\u54c1\u6578\u64da\u548c\u8a02\u55ae\u6578\u64da\u5206\u5225\u5b58\u5132\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u4e2d\u3002<\/p>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-oKhbAZXNJi\">2. \u6578\u64da\u5eab\u9023\u63a5<\/h3>\n<p>\u5728\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u9700\u8981\u8a2d\u7f6e\u591a\u500b\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528PHP\u9023\u63a5\u591a\u500bMySQL\u6578\u64da\u5eab\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n$users_db = new mysqli(\"localhost\", \"user\", \"password\", \"users_db\");\n$products_db = new mysqli(\"localhost\", \"user\", \"password\", \"products_db\");\n$orders_db = new mysqli(\"localhost\", \"user\", \"password\", \"orders_db\");\n\nif ($users_db-&gt;connect_error) {\n    die(\"Connection failed: \" . $users_db-&gt;connect_error);\n}\n<\/code><\/pre>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e6%93%8d%e4%bd%9c-oKhbAZXNJi\">3. \u6578\u64da\u64cd\u4f5c<\/h3>\n<p>\u5728\u9032\u884c\u6578\u64da\u64cd\u4f5c\u6642\uff0c\u9700\u8981\u6839\u64da\u6578\u64da\u7684\u985e\u578b\u9078\u64c7\u76f8\u61c9\u7684\u6578\u64da\u5eab\u3002\u4f8b\u5982\uff0c\u7576\u9700\u8981\u67e5\u8a62\u7528\u6236\u4fe1\u606f\u6642\uff0c\u61c9\u8a72\u5f9e\u7528\u6236\u6578\u64da\u5eab\u4e2d\u7372\u53d6\u6578\u64da\uff1a<\/p>\n<pre><code>\n$result = $users_db-&gt;query(\"SELECT * FROM users WHERE id = 1\");\n$user = $result-&gt;fetch_assoc();\n<\/code><\/pre>\n<h3 id=\"4-%e6%95%b8%e6%93%9a%e5%90%8c%e6%ad%a5-oKhbAZXNJi\">4. \u6578\u64da\u540c\u6b65<\/h3>\n<p>\u5982\u679c\u9700\u8981\u5728\u591a\u500b\u6578\u64da\u5eab\u4e4b\u9593\u540c\u6b65\u6578\u64da\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u6d88\u606f\u968a\u5217\u6216\u5b9a\u6642\u4efb\u52d9\u4f86\u5be6\u73fe\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-oKhbAZXNJi\">\u7d50\u8ad6<\/h2>\n<p>\u591a\u6578\u64da\u5eab\u652f\u6301\u662f\u4e00\u7a2e\u6709\u6548\u7684\u7db2\u7ad9\u6027\u80fd\u512a\u5316\u7b56\u7565\uff0c\u80fd\u5920\u63d0\u9ad8\u7db2\u7ad9\u7684\u53ef\u64f4\u5c55\u6027\u548c\u7a69\u5b9a\u6027\u3002\u901a\u904e\u5408\u7406\u7684\u6578\u64da\u5eab\u8a2d\u8a08\u548c\u9023\u63a5\u7ba1\u7406\uff0c\u7db2\u7ad9\u53ef\u4ee5\u66f4\u597d\u5730\u61c9\u5c0d\u9ad8\u6d41\u91cf\u548c\u5927\u91cf\u6578\u64da\u7684\u6311\u6230\u3002\u5c0d\u65bc\u5e0c\u671b\u63d0\u5347\u7db2\u7ad9\u6027\u80fd\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u8003\u616e\u5be6\u65bd\u591a\u6578\u64da\u5eab\u652f\u6301\u5c07\u662f\u4e00\u500b\u660e\u667a\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63d0\u5347\u7db2\u7ad9\u6027\u80fd\uff0c\u652f\u6301\u591a\u6578\u64da\u5eab\u914d\u7f6e\uff0c\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u8207\u5feb\u901f\u52a0\u8f09\uff0c\u6eff\u8db3\u591a\u6a23\u5316\u9700\u6c42\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-154779","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154779","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=154779"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154779\/revisions"}],"predecessor-version":[{"id":154780,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154779\/revisions\/154780"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=154779"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=154779"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=154779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}