{"id":179896,"date":"2024-11-09T05:42:18","date_gmt":"2024-11-08T21:42:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179896\/"},"modified":"2024-11-09T05:42:19","modified_gmt":"2024-11-08T21:42:19","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8%e7%b6%b2%e9%a0%81%e4%b8%ad%e9%80%a3%e6%8e%a5-mysql-%e6%95%b8%e6%93%9a%e5%ba%ab-%e7%b6%b2%e9%a0%81%e5%92%8b%e9%8f%88%e6%8e%a5-mysql-%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179896\/","title":{"rendered":"\u5982\u4f55\u5728\u7db2\u9801\u4e2d\u9023\u63a5 MySQL \u6578\u64da\u5eab (\u7db2\u9801\u548b\u93c8\u63a5 mysql \u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8%e7%b6%b2%e9%a0%81%e4%b8%ad%e9%80%a3%e6%8e%a5-mysql-%e6%95%b8%e6%93%9a%e5%ba%ab-GSQhQnUlOM\">\u5982\u4f55\u5728\u7db2\u9801\u4e2d\u9023\u63a5 MySQL \u6578\u64da\u5eab<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u7db2\u9801\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002MySQL \u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728\u7db2\u9801\u4e2d\u9023\u63a5 MySQL \u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e6%ba%96%e5%82%99%e5%b7%a5%e4%bd%9c-GSQhQnUlOM\">\u6e96\u5099\u5de5\u4f5c<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u5df2\u5b89\u88dd MySQL \u6578\u64da\u5eab\u3002<\/li>\n<li>\u64c1\u6709\u4e00\u500b\u53ef\u4ee5\u8a2a\u554f MySQL \u7684\u7528\u6236\u540d\u548c\u5bc6\u78bc\u3002<\/li>\n<li>\u60a8\u7684\u7db2\u9801\u670d\u52d9\u5668\u652f\u6301 PHP \u6216\u5176\u4ed6\u5f8c\u7aef\u8a9e\u8a00\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8-php-%e9%80%a3%e6%8e%a5-mysql-%e6%95%b8%e6%93%9a%e5%ba%ab-GSQhQnUlOM\">\u4f7f\u7528 PHP \u9023\u63a5 MySQL \u6578\u64da\u5eab<\/h2>\n<p>PHP \u662f\u4e00\u7a2e\u5e38\u7528\u7684\u5f8c\u7aef\u8a9e\u8a00\uff0c\u80fd\u5920\u8f15\u9b06\u5730\u8207 MySQL \u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 PHP \u9023\u63a5 MySQL \u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-GSQhQnUlOM\">1. \u5275\u5efa\u6578\u64da\u5eab\u9023\u63a5<\/h3>\n<pre><code>\nconnect_error) {\n    die(\"\u9023\u63a5\u5931\u6557: \" . $conn-&gt;connect_error);\n}\necho \"\u9023\u63a5\u6210\u529f\";\n?&gt;\n<\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u4ee3\u78bc\u4e2d\uff0c\u60a8\u9700\u8981\u5c07 <code>your_username<\/code>\u3001<code>your_password<\/code> \u548c <code>your_database<\/code> \u66ff\u63db\u70ba\u60a8\u81ea\u5df1\u7684\u6578\u64da\u5eab\u4fe1\u606f\u3002<\/p>\n<h3 id=\"2-%e5%9f%b7%e8%a1%8c-sql-%e6%9f%a5%e8%a9%a2-GSQhQnUlOM\">2. \u57f7\u884c SQL \u67e5\u8a62<\/h3>\n<p>\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u60a8\u53ef\u4ee5\u57f7\u884c SQL \u67e5\u8a62\u4f86\u7372\u53d6\u6216\u64cd\u4f5c\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nquery($sql);\n\nif ($result-&gt;num_rows &gt; 0) {\n    \/\/ \u8f38\u51fa\u6bcf\u884c\u6578\u64da\n    while($row = $result-&gt;fetch_assoc()) {\n        echo \"id: \" . $row[\"id\"]. \" - Name: \" . $row[\"name\"]. \"<br>\";\n    }\n} else {\n    echo \"0 \u7d50\u679c\";\n}\n$conn-&gt;close();\n?&gt;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5f9e <code>users<\/code> \u8868\u4e2d\u9078\u64c7\u4e86 <code>id<\/code> \u548c <code>name<\/code> \u5b57\u6bb5\uff0c\u4e26\u5c07\u7d50\u679c\u8f38\u51fa\u5230\u7db2\u9801\u4e0a\u3002<\/p>\n<h3 id=\"3-%e8%99%95%e7%90%86%e9%8c%af%e8%aa%a4-GSQhQnUlOM\">3. \u8655\u7406\u932f\u8aa4<\/h3>\n<p>\u5728\u8207\u6578\u64da\u5eab\u4ea4\u4e92\u6642\uff0c\u8655\u7406\u932f\u8aa4\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 <code>mysqli_error()<\/code> \u51fd\u6578\u4f86\u7372\u53d6\u932f\u8aa4\u4fe1\u606f\uff1a<\/p>\n<pre><code>\nquery($sql);\n\nif (!$result) {\n    echo \"\u932f\u8aa4: \" . $conn-&gt;error;\n}\n?&gt;\n<\/code><\/pre>\n<h2 id=\"%e5%ae%89%e5%85%a8%e6%80%a7%e8%80%83%e9%87%8f-GSQhQnUlOM\">\u5b89\u5168\u6027\u8003\u91cf<\/h2>\n<p>\u5728\u9023\u63a5 MySQL \u6578\u64da\u5eab\u6642\uff0c\u5b89\u5168\u6027\u662f\u4e0d\u53ef\u5ffd\u8996\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\u4f86\u9632\u6b62 SQL \u6ce8\u5165\u653b\u64ca\u3002<\/li>\n<li>\u9650\u5236\u6578\u64da\u5eab\u7528\u6236\u7684\u6b0a\u9650\uff0c\u53ea\u6388\u4e88\u5fc5\u8981\u7684\u8a2a\u554f\u6b0a\u9650\u3002<\/li>\n<li>\u5b9a\u671f\u66f4\u65b0\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\uff0c\u4ee5\u4fee\u88dc\u5df2\u77e5\u7684\u5b89\u5168\u6f0f\u6d1e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-GSQhQnUlOM\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u7db2\u9801\u4e2d\u9023\u63a5 MySQL \u6578\u64da\u5eab\u662f\u4e00\u500b\u57fa\u672c\u4f46\u91cd\u8981\u7684\u6280\u80fd\u3002\u901a\u904e\u4f7f\u7528 PHP\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u5275\u5efa\u6578\u64da\u5eab\u9023\u63a5\u3001\u57f7\u884c\u67e5\u8a62\u4e26\u8655\u7406\u7d50\u679c\u3002\u78ba\u4fdd\u9075\u5faa\u5b89\u5168\u6700\u4f73\u5be6\u8e10\uff0c\u4ee5\u4fdd\u8b77\u60a8\u7684\u6578\u64da\u548c\u61c9\u7528\u7a0b\u5e8f\u3002\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u904b\u884c\u60a8\u7684\u7db2\u7ad9\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a> \u9084\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728\u7db2\u9801\u4e2d\u9023\u63a5 MySQL \u6578\u64da\u5eab\uff0c\u638c\u63e1\u4f7f\u7528 PHP \u548c SQL \u8a9e\u53e5\u9032\u884c\u6578\u64da\u64cd\u4f5c\u7684\u6280\u5de7\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-179896","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179896","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=179896"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179896\/revisions"}],"predecessor-version":[{"id":179897,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179896\/revisions\/179897"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179896"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179896"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}