{"id":183956,"date":"2024-11-10T09:08:22","date_gmt":"2024-11-10T01:08:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183956\/"},"modified":"2024-11-10T09:08:23","modified_gmt":"2024-11-10T01:08:23","slug":"%e4%bd%bf%e7%94%a8php%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e8%bc%95%e9%ac%86%e9%a1%af%e7%a4%ba%e4%bf%a1%e6%81%af-php%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e9%a1%af%e7%a4%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183956\/","title":{"rendered":"\u4f7f\u7528PHP\u9023\u63a5\u6578\u64da\u5eab\uff0c\u8f15\u9b06\u986f\u793a\u4fe1\u606f (php\u9023\u63a5\u6578\u64da\u5eab\u986f\u793a\u4fe1\u606f)"},"content":{"rendered":"

\u4f7f\u7528PHP\u9023\u63a5\u6578\u64da\u5eab\uff0c\u8f15\u9b06\u986f\u793a\u4fe1\u606f<\/h1>\n

\u5728\u7576\u4eca\u7684\u7db2\u7d61\u958b\u767c\u4e2d\uff0cPHP\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u4f3a\u670d\u5668\u7aef\u8173\u672c\u8a9e\u8a00\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u6578\u64da\u5eab\u64cd\u4f5c\u3002\u7121\u8ad6\u662f\u5efa\u7acb\u52d5\u614b\u7db2\u7ad9\u9084\u662f\u958b\u767cWeb\u61c9\u7528\u7a0b\u5e8f\uff0c\u80fd\u5920\u6709\u6548\u5730\u9023\u63a5\u6578\u64da\u5eab\u4e26\u986f\u793a\u4fe1\u606f\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528PHP\u9023\u63a5\u6578\u64da\u5eab\uff0c\u4e26\u8f15\u9b06\u986f\u793a\u6240\u9700\u7684\u4fe1\u606f\u3002<\/p>\n

1. \u74b0\u5883\u6e96\u5099<\/h2>\n

\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u60a8\u7684\u4f3a\u670d\u5668\u4e0a\u5df2\u5b89\u88ddPHP\u548cMySQL\u6578\u64da\u5eab\u3002\u5927\u591a\u6578VPS\u4e3b\u6a5f\u90fd\u63d0\u4f9b\u9019\u4e9b\u57fa\u672c\u7684\u74b0\u5883\u8a2d\u7f6e\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5PHP\u548cMySQL\u7684\u5b89\u88dd\u60c5\u6cc1\uff1a<\/p>\n

php -v\nmysql --version<\/code><\/pre>\n
2. \u5efa\u7acb\u6578\u64da\u5eab\u548c\u6578\u64da\u8868<\/h2>\n
\u5728\u9023\u63a5\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u5275\u5efa\u4e00\u500b\u6578\u64da\u5eab\u548c\u4e00\u500b\u6578\u64da\u8868\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u6578\u64da\u5eab\u548c\u6578\u64da\u8868\u7684SQL\u8a9e\u53e5\u793a\u4f8b\uff1a<\/p>\n
CREATE DATABASE my_database;\n\nUSE my_database;\n\nCREATE TABLE users (\n    id INT(11) AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100) NOT NULL,\n    email VARCHAR(100) NOT NULL\n);<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba\u201cmy_database\u201d\u7684\u6578\u64da\u5eab\uff0c\u4e26\u5728\u5176\u4e2d\u5275\u5efa\u4e86\u4e00\u500b\u201cusers\u201d\u8868\uff0c\u8a72\u8868\u5305\u542b\u7528\u6236\u7684ID\u3001\u59d3\u540d\u548c\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u3002<\/p>\n
3. \u4f7f\u7528PHP\u9023\u63a5\u6578\u64da\u5eab<\/h2>\n
\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u4f7f\u7528PHP\u9023\u63a5\u5230\u525b\u525b\u5275\u5efa\u7684\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u9023\u63a5\u6578\u64da\u5eab\u7684\u57fa\u672c\u4ee3\u78bc\uff1a<\/p>\n
<?php\n$servername = \"localhost\";\n$username = \"your_username\";\n$password = \"your_password\";\n$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: \" . $conn->connect_error);\n}\necho \"\u9023\u63a5\u6210\u529f\";\n?><\/code><\/pre>\n
\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86mysqli\u64f4\u5c55\u4f86\u5275\u5efa\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002\u8acb\u6839\u64da\u60a8\u7684\u5be6\u969b\u60c5\u6cc1\u66ff\u63db\u201cyour_username\u201d\u548c\u201cyour_password\u201d\u3002<\/p>\n
4. \u67e5\u8a62\u6578\u64da\u4e26\u986f\u793a\u4fe1\u606f<\/h2>\n
\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u60a8\u53ef\u4ee5\u57f7\u884cSQL\u67e5\u8a62\u4ee5\u6aa2\u7d22\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u67e5\u8a62\u201cusers\u201d\u8868\u4e26\u986f\u793a\u7528\u6236\u4fe1\u606f\u7684\u4ee3\u78bc\uff1a<\/p>\n
<?php\n$sql = \"SELECT id, name, email FROM users\";\n$result = $conn->query($sql);\n\nif ($result->num_rows > 0) {\n    \/\/ \u8f38\u51fa\u6578\u64da\n    while($row = $result->fetch_assoc()) {\n        echo \"ID: \" . $row[\"id\"]. \" - \u59d3\u540d: \" . $row[\"name\"]. \" - \u96fb\u5b50\u90f5\u4ef6: \" . $row[\"email\"]. \"<br>\";\n    }\n} else {\n    echo \"0 \u7d50\u679c\";\n}\n$conn->close();\n?><\/code><\/pre>\n
\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u57f7\u884c\u4e86\u4e00\u500bSELECT\u67e5\u8a62\uff0c\u4e26\u4f7f\u7528while\u5faa\u74b0\u904d\u6b77\u7d50\u679c\u96c6\uff0c\u5c07\u6bcf\u500b\u7528\u6236\u7684ID\u3001\u59d3\u540d\u548c\u96fb\u5b50\u90f5\u4ef6\u986f\u793a\u51fa\u4f86\u3002<\/p>\n
5. \u932f\u8aa4\u8655\u7406<\/h2>\n
\u5728\u5be6\u969b\u958b\u767c\u4e2d\uff0c\u932f\u8aa4\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528try-catch\u8a9e\u53e5\u4f86\u6355\u7372\u7570\u5e38\uff0c\u4e26\u9032\u884c\u76f8\u61c9\u7684\u8655\u7406\u3002\u4ee5\u4e0b\u662f\u6539\u9032\u7684\u9023\u63a5\u4ee3\u78bc\u793a\u4f8b\uff1a<\/p>\n
<?php\ntry {\n    $conn = new mysqli($servername, $username, $password, $dbname);\n    if ($conn->connect_error) {\n        throw new Exception(\"\u9023\u63a5\u5931\u6557: \" . $conn->connect_error);\n    }\n    echo \"\u9023\u63a5\u6210\u529f\";\n} catch (Exception $e) {\n    echo $e->getMessage();\n}\n?><\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u4f7f\u7528PHP\u9023\u63a5\u6578\u64da\u5eab\u4e26\u986f\u793a\u4fe1\u606f\u3002\u9019\u4e0d\u50c5\u80fd\u5e6b\u52a9\u60a8\u5728\u958b\u767c\u904e\u7a0b\u4e2d\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\uff0c\u9084\u80fd\u63d0\u9ad8\u7db2\u7ad9\u7684\u4e92\u52d5\u6027\u548c\u7528\u6236\u9ad4\u9a57\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\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<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4f7f\u7528PHP\u9023\u63a5\u6578\u64da\u5eab\uff0c\u8f15\u9b06\u986f\u793a\u4fe1\u606f\u7684\u6280\u5de7\u8207\u6b65\u9a5f\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u5be6\u73fe\u6578\u64da\u5c55\u793a\u529f\u80fd\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-183956","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183956","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=183956"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183956\/revisions"}],"predecessor-version":[{"id":183957,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183956\/revisions\/183957"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183956"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183956"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183956"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}