{"id":96664,"date":"2024-10-20T11:20:19","date_gmt":"2024-10-20T03:20:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96664\/"},"modified":"2024-10-20T11:20:19","modified_gmt":"2024-10-20T03:20:19","slug":"php%e4%b8%admysqli%e5%87%bd%e6%95%b8%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95%ef%bc%9a%e5%89%b5%e5%bb%ba%e4%b8%a6%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-mysqli%e5%89%b5%e5%bb%ba%e4%b8%a6%e9%80%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96664\/","title":{"rendered":"php\u4e2dmysqli\u51fd\u6578\u4f7f\u7528\u65b9\u6cd5\uff1a\u5275\u5efa\u4e26\u9023\u63a5\u6578\u64da\u5eab (mysqli\u5275\u5efa\u4e26\u9023\u63a5\u6578\u64da\u5eab)"},"content":{"rendered":"

PHP\u4e2dmysqli\u51fd\u6578\u4f7f\u7528\u65b9\u6cd5\uff1a\u5275\u5efa\u4e26\u9023\u63a5\u6578\u64da\u5eab<\/h1>\n

\u5728\u73fe\u4ee3\u7684\u7db2\u9801\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u3002PHP\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u4f3a\u670d\u5668\u7aef\u8a9e\u8a00\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u5f0f\u4f86\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u5176\u4e2d\uff0cmysqli\uff08MySQL Improved\uff09\u64f4\u5c55\u662f\u7528\u65bc\u8207MySQL\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u7684\u4e3b\u8981\u5de5\u5177\u4e4b\u4e00\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528mysqli\u51fd\u6578\u4f86\u5275\u5efa\u4e26\u9023\u63a5\u6578\u64da\u5eab\u3002<\/p>\n

\u4ec0\u9ebc\u662fmysqli\uff1f<\/h2>\n

mysqli\u662fPHP\u7684\u4e00\u500b\u64f4\u5c55\uff0c\u65e8\u5728\u63d0\u4f9b\u5c0dMySQL\u6578\u64da\u5eab\u7684\u6539\u9032\u652f\u6301\u3002\u5b83\u652f\u6301\u9762\u5411\u5c0d\u8c61\u548c\u7a0b\u5e8f\u5316\u7684\u7de8\u7a0b\u98a8\u683c\uff0c\u4e26\u63d0\u4f9b\u4e86\u8a31\u591a\u65b0\u529f\u80fd\uff0c\u5982\u9810\u8655\u7406\u8a9e\u53e5\u3001\u4e8b\u52d9\u652f\u6301\u548c\u591a\u8a9e\u53e5\u67e5\u8a62\u7b49\u3002\u9019\u4f7f\u5f97mysqli\u6210\u70ba\u4e00\u500b\u66f4\u5b89\u5168\u548c\u9ad8\u6548\u7684\u9078\u64c7\u3002<\/p>\n

\u5275\u5efa\u6578\u64da\u5eab\u7684\u6b65\u9a5f<\/h2>\n

\u5728\u4f7f\u7528mysqli\u5275\u5efa\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u78ba\u4fdd\u5df2\u7d93\u5b89\u88dd\u4e86MySQL\u6578\u64da\u5eab\u670d\u52d9\u5668\uff0c\u4e26\u4e14\u6709\u6b0a\u9650\u5275\u5efa\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n

1. \u9023\u63a5\u5230MySQL\u4f3a\u670d\u5668<\/h3>\n

\u4f7f\u7528mysqli_connect\u51fd\u6578\u4f86\u9023\u63a5\u5230MySQL\u4f3a\u670d\u5668\u3002\u9019\u500b\u51fd\u6578\u9700\u8981\u56db\u500b\u53c3\u6578\uff1a\u4f3a\u670d\u5668\u5730\u5740\u3001\u7528\u6236\u540d\u3001\u5bc6\u78bc\u548c\u6578\u64da\u5eab\u540d\u7a31\u3002<\/p>\n

\n$servername = \"localhost\"; \/\/ \u4f3a\u670d\u5668\u5730\u5740\n$username = \"username\"; \/\/ \u7528\u6236\u540d\n$password = \"password\"; \/\/ \u5bc6\u78bc\n\n\/\/ \u5275\u5efa\u9023\u63a5\n$conn = mysqli_connect($servername, $username, $password);\n\n\/\/ \u6aa2\u67e5\u9023\u63a5\nif (!$conn) {\n    die(\"\u9023\u63a5\u5931\u6557: \" . mysqli_connect_error());\n}\necho \"\u6210\u529f\u9023\u63a5\u5230MySQL\u4f3a\u670d\u5668\";\n<\/code><\/pre>\n
2. \u5275\u5efa\u6578\u64da\u5eab<\/h3>\n
\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230MySQL\u4f3a\u670d\u5668\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528SQL\u8a9e\u53e5\u4f86\u5275\u5efa\u6578\u64da\u5eab\u3002\u4f7f\u7528mysqli_query\u51fd\u6578\u4f86\u57f7\u884cSQL\u8a9e\u53e5\u3002<\/p>\n
\n$sql = \"CREATE DATABASE myDatabase\";\nif (mysqli_query($conn, $sql)) {\n    echo \"\u6578\u64da\u5eab\u5275\u5efa\u6210\u529f\";\n} else {\n    echo \"\u932f\u8aa4\u5275\u5efa\u6578\u64da\u5eab: \" . mysqli_error($conn);\n}\n<\/code><\/pre>\n
3. \u95dc\u9589\u9023\u63a5<\/h3>\n
\u5728\u5b8c\u6210\u6240\u6709\u64cd\u4f5c\u5f8c\uff0c\u61c9\u8a72\u95dc\u9589\u8207MySQL\u4f3a\u670d\u5668\u7684\u9023\u63a5\u3002<\/p>\n
\nmysqli_close($conn);\n<\/code><\/pre>\n
\u9023\u63a5\u5230\u5275\u5efa\u7684\u6578\u64da\u5eab<\/h2>\n
\u5275\u5efa\u6578\u64da\u5eab\u5f8c\uff0c\u63a5\u4e0b\u4f86\u9700\u8981\u9023\u63a5\u5230\u8a72\u6578\u64da\u5eab\u3002\u9019\u53ef\u4ee5\u901a\u904e\u5728mysqli_connect\u51fd\u6578\u4e2d\u6dfb\u52a0\u6578\u64da\u5eab\u540d\u7a31\u4f86\u5be6\u73fe\u3002<\/p>\n
\n$dbname = \"myDatabase\"; \/\/ \u6578\u64da\u5eab\u540d\u7a31\n\n\/\/ \u91cd\u65b0\u9023\u63a5\u5230\u6578\u64da\u5eab\n$conn = mysqli_connect($servername, $username, $password, $dbname);\n\n\/\/ \u6aa2\u67e5\u9023\u63a5\nif (!$conn) {\n    die(\"\u9023\u63a5\u5931\u6557: \" . mysqli_connect_error());\n}\necho \"\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\";\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u4f7f\u7528mysqli\u51fd\u6578\u5275\u5efa\u4e26\u9023\u63a5\u6578\u64da\u5eab\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\u3002\u901a\u904e\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u8207MySQL\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\uff0c\u4e26\u5229\u7528\u5176\u5f37\u5927\u7684\u529f\u80fd\u4f86\u69cb\u5efa\u52d5\u614b\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5e8f\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u548c\u5b89\u5168\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0cmysqli\u662f\u4e00\u500b\u7406\u60f3\u7684\u9078\u64c7\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 \u9999\u6e2fVPS<\/a> \u670d\u52d9\u4f86\u652f\u6301\u60a8\u7684\u7db2\u7ad9\u6216\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u9805\u76ee\u9084\u662f\u5927\u578b\u4f01\u696d\uff0c\u6211\u5011\u7684 \u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u89e3\u6c7a\u65b9\u6848\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u5982\u4f55\u5728PHP\u4e2d\u4f7f\u7528mysqli\u51fd\u6578\u5275\u5efa\u4e26\u9023\u63a5\u6578\u64da\u5eab\uff0c\u7c21\u55ae\u6b65\u9a5f\u52a9\u4f60\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u64cd\u4f5c\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-96664","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96664","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=96664"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96664\/revisions"}],"predecessor-version":[{"id":96665,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96664\/revisions\/96665"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96664"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96664"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96664"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}