{"id":96546,"date":"2024-10-20T10:21:19","date_gmt":"2024-10-20T02:21:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96546\/"},"modified":"2024-10-20T10:21:20","modified_gmt":"2024-10-20T02:21:20","slug":"php%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%99%e7%a8%8b%e7%b0%a1%e5%96%ae%e6%98%93%e6%87%82-%e6%80%8e%e9%ba%bc%e5%be%9ephp%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96546\/","title":{"rendered":"php\u9023\u63a5\u6578\u64da\u5eab\u6559\u7a0b\u7c21\u55ae\u6613\u61c2 (\u600e\u9ebc\u5f9ephp\u9023\u63a5\u6578\u64da\u5eab\u9023\u63a5)"},"content":{"rendered":"

PHP\u9023\u63a5\u6578\u64da\u5eab\u6559\u7a0b\u7c21\u55ae\u6613\u61c2<\/h1>\n

\u5728\u73fe\u4eca\u7684\u7db2\u7d61\u958b\u767c\u4e2d\uff0cPHP\u662f\u4e00\u7a2e\u975e\u5e38\u6d41\u884c\u7684\u4f3a\u670d\u5668\u7aef\u8173\u672c\u8a9e\u8a00\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7db2\u7ad9\u958b\u767c\u548c\u6578\u64da\u5eab\u7ba1\u7406\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528PHP\u9023\u63a5\u6578\u64da\u5eab\uff0c\u7279\u5225\u662fMySQL\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u7c21\u55ae\u6613\u61c2\u7684\u6b65\u9a5f\u548c\u7bc4\u4f8b\u4ee3\u78bc\u3002<\/p>\n

\u70ba\u4ec0\u9ebc\u9078\u64c7MySQL\u6578\u64da\u5eab\uff1f<\/h2>\n

MySQL\u662f\u4e00\u500b\u958b\u6e90\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u56e0\u5176\u9ad8\u6548\u3001\u7a69\u5b9a\u548c\u6613\u65bc\u4f7f\u7528\u800c\u53d7\u5230\u5ee3\u6cdb\u6b61\u8fce\u3002\u5b83\u8207PHP\u7684\u517c\u5bb9\u6027\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u8f15\u9b06\u5730\u9032\u884c\u6578\u64da\u64cd\u4f5c\uff0c\u4e26\u4e14\u652f\u6301\u591a\u7a2e\u64cd\u4f5c\u7cfb\u7d71\u3002<\/p>\n

\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u6b65\u9a5f<\/h2>\n

1. \u5b89\u88dd\u5fc5\u8981\u7684\u64f4\u5c55<\/h3>\n

\u5728\u4f7f\u7528PHP\u9023\u63a5MySQL\u4e4b\u524d\uff0c\u78ba\u4fdd\u4f60\u7684PHP\u74b0\u5883\u5df2\u7d93\u5b89\u88dd\u4e86MySQL\u64f4\u5c55\u3002\u901a\u5e38\uff0c\u9019\u53ef\u4ee5\u901a\u904ePHP\u7684\u914d\u7f6e\u6587\u4ef6\uff08php.ini\uff09\u4f86\u6aa2\u67e5\u548c\u555f\u7528\u3002<\/p>\n

2. \u5275\u5efa\u6578\u64da\u5eab\u548c\u7528\u6236<\/h3>\n

\u5728\u958b\u59cb\u7de8\u5bebPHP\u4ee3\u78bc\u4e4b\u524d\uff0c\u4f60\u9700\u8981\u5728MySQL\u4e2d\u5275\u5efa\u4e00\u500b\u6578\u64da\u5eab\u548c\u7528\u6236\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u5275\u5efa\u6578\u64da\u5eab\uff1a<\/p>\n

CREATE DATABASE my_database;<\/code><\/pre>\n
\u63a5\u8457\uff0c\u5275\u5efa\u4e00\u500b\u7528\u6236\u4e26\u6388\u4e88\u5176\u5c0d\u8a72\u6578\u64da\u5eab\u7684\u8a2a\u554f\u6b0a\u9650\uff1a<\/p>\n
CREATE USER 'my_user'@'localhost' IDENTIFIED BY 'my_password';\nGRANT ALL PRIVILEGES ON my_database.* TO 'my_user'@'localhost';<\/code><\/pre>\n
3. \u4f7f\u7528PHP\u9023\u63a5\u6578\u64da\u5eab<\/h3>\n
\u4ee5\u4e0b\u662f\u4f7f\u7528PHP\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u57fa\u672c\u4ee3\u78bc\u7bc4\u4f8b\uff1a<\/p>\n
<?php\n$servername = \"localhost\";\n$username = \"my_user\";\n$password = \"my_password\";\n$dbname = \"my_database\";\n\n\/\/ \u5275\u5efa\u9023\u63a5\n$conn = new mysqli($servername, $username, $password, $dbname);\n\n\/\/ \u6aa2\u67e5\u9023\u63a5\nif ($conn->connect_error) {\n    die(\"\u9023\u63a5\u5931\u6557: \" . $conn->connect_error);\n}\necho \"\u9023\u63a5\u6210\u529f\";\n?><\/code><\/pre>\n
\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5b9a\u7fa9\u4e86\u6578\u64da\u5eab\u7684\u4f3a\u670d\u5668\u540d\u7a31\u3001\u7528\u6236\u540d\u3001\u5bc6\u78bc\u548c\u6578\u64da\u5eab\u540d\u7a31\u3002\u7136\u5f8c\uff0c\u6211\u5011\u4f7f\u7528`new mysqli()`\u4f86\u5275\u5efa\u4e00\u500b\u65b0\u7684\u6578\u64da\u5eab\u9023\u63a5\u3002\u5982\u679c\u9023\u63a5\u5931\u6557\uff0c\u5247\u6703\u986f\u793a\u932f\u8aa4\u4fe1\u606f\u3002<\/p>\n
4. \u57f7\u884c\u67e5\u8a62<\/h3>\n
\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u4f60\u53ef\u4ee5\u57f7\u884c\u5404\u7a2eSQL\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u67e5\u8a62\u6578\u64da\u7684\u7bc4\u4f8b\uff1a<\/p>\n
$sql = \"SELECT * FROM my_table\";\n$result = $conn->query($sql);\n\nif ($result->num_rows > 0) {\n    \/\/ \u8f38\u51fa\u6bcf\u884c\u6578\u64da\n    while($row = $result->fetch_assoc()) {\n        echo \"id: \" . $row[\"id\"]. \" - Name: \" . $row[\"name\"]. \"<br>\";\n    }\n} else {\n    echo \"0 \u7d50\u679c\";\n}\n?><\/code><\/pre>\n
\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u57f7\u884c\u4e86\u4e00\u500b\u7c21\u55ae\u7684SELECT\u67e5\u8a62\uff0c\u4e26\u4f7f\u7528`fetch_assoc()`\u65b9\u6cd5\u4f86\u7372\u53d6\u7d50\u679c\u3002<\/p>\n
5. \u95dc\u9589\u9023\u63a5<\/h3>\n
\u5b8c\u6210\u6578\u64da\u64cd\u4f5c\u5f8c\uff0c\u8a18\u5f97\u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5\uff1a<\/p>\n
$conn->close();<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528PHP\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff0c\u5305\u62ec\u5b89\u88dd\u64f4\u5c55\u3001\u5275\u5efa\u6578\u64da\u5eab\u548c\u7528\u6236\u3001\u9023\u63a5\u6578\u64da\u5eab\u3001\u57f7\u884c\u67e5\u8a62\u4ee5\u53ca\u95dc\u9589\u9023\u63a5\u3002\u9019\u4e9b\u57fa\u672c\u77e5\u8b58\u5c0d\u65bc\u4efb\u4f55\u60f3\u8981\u9032\u884c\u7db2\u9801\u958b\u767c\u7684\u4eba\u4f86\u8aaa\u90fd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002<\/p>\n
\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u4f60\u7684PHP\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 \u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u4f60\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528PHP\u8f15\u9b06\u9023\u63a5\u6578\u64da\u5eab\uff0c\u5f9e\u57fa\u672c\u8a2d\u7f6e\u5230\u5be6\u969b\u64cd\u4f5c\uff0c\u8b93\u4f60\u5feb\u901f\u638c\u63e1\u6578\u64da\u5eab\u9023\u63a5\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-96546","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96546","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=96546"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96546\/revisions"}],"predecessor-version":[{"id":96547,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96546\/revisions\/96547"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96546"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96546"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96546"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}