{"id":96560,"date":"2024-10-20T10:28:19","date_gmt":"2024-10-20T02:28:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96560\/"},"modified":"2024-10-20T10:28:20","modified_gmt":"2024-10-20T02:28:20","slug":"php%e8%bc%95%e9%ac%86%e5%ad%b8%e7%bf%92%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%e5%af%a6%e8%b8%90-php%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96560\/","title":{"rendered":"php\u8f15\u9b06\u5b78\u7fd2\uff1a\u6578\u64da\u5eab\u64cd\u4f5c\u5be6\u8e10 (php\u6578\u64da\u5eab\u64cd\u4f5c)"},"content":{"rendered":"

PHP\u8f15\u9b06\u5b78\u7fd2\uff1a\u6578\u64da\u5eab\u64cd\u4f5c\u5be6\u8e10<\/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\u6578\u64da\u5eab\u7684\u4f7f\u7528\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528PHP\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u4e26\u63d0\u4f9b\u5be6\u8e10\u793a\u4f8b\uff0c\u5e6b\u52a9\u8b80\u8005\u8f15\u9b06\u4e0a\u624b\u3002<\/p>\n

\u6578\u64da\u5eab\u6982\u8ff0<\/h2>\n

\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u6709\u7d44\u7e54\u7684\u6578\u64da\u96c6\u5408\uff0c\u901a\u5e38\u7528\u65bc\u5b58\u5132\u548c\u7ba1\u7406\u4fe1\u606f\u3002\u6700\u5e38\u898b\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u5305\u62ecMySQL\u3001PostgreSQL\u548cSQLite\u7b49\u3002\u5728PHP\u4e2d\uff0cMySQL\u662f\u6700\u5e38\u7528\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u4e4b\u4e00\uff0c\u56e0\u70ba\u5b83\u8207PHP\u7684\u517c\u5bb9\u6027\u6975\u9ad8\uff0c\u4e26\u4e14\u6613\u65bc\u4f7f\u7528\u3002<\/p>\n

PHP\u8207MySQL\u7684\u9023\u63a5<\/h2>\n

\u5728\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u5efa\u7acb\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528PHP\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n

<?php\n$servername = \"localhost\"; \/\/ \u4f3a\u670d\u5668\u540d\u7a31\n$username = \"username\"; \/\/ \u7528\u6236\u540d\n$password = \"password\"; \/\/ \u5bc6\u78bc\n$dbname = \"database_name\"; \/\/ \u6578\u64da\u5eab\u540d\u7a31\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: \" . $conn->connect_error);\n}\necho \"\u9023\u63a5\u6210\u529f\";\n?><\/code><\/pre>\n
\u57fa\u672c\u7684\u6578\u64da\u5eab\u64cd\u4f5c<\/h2>\n
1. \u5275\u5efa\u6578\u64da\u8868<\/h3>\n
\u5728\u6578\u64da\u5eab\u4e2d\u5275\u5efa\u6578\u64da\u8868\u662f\u5b58\u5132\u6578\u64da\u7684\u7b2c\u4e00\u6b65\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u4e00\u500b\u540d\u70ba\u201cusers\u201d\u7684\u6578\u64da\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n
<?php\n$sql = \"CREATE TABLE users (\n    id INT(6) UNSIGNED AUTO_INCREMENT PRIMARY KEY,\n    username VARCHAR(30) NOT NULL,\n    email VARCHAR(50),\n    reg_date TIMESTAMP\n)\";\n\nif ($conn->query($sql) === TRUE) {\n    echo \"\u6578\u64da\u8868\u5275\u5efa\u6210\u529f\";\n} else {\n    echo \"\u932f\u8aa4: \" . $sql . \"<br>\" . $conn->error;\n}\n?><\/code><\/pre>\n
2. \u63d2\u5165\u6578\u64da<\/h3>\n
\u5275\u5efa\u6578\u64da\u8868\u5f8c\uff0c\u53ef\u4ee5\u958b\u59cb\u63d2\u5165\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n
<?php\n$sql = \"INSERT INTO users (username, email) VALUES ('JohnDoe', 'john@example.com')\";\n\nif ($conn->query($sql) === TRUE) {\n    echo \"\u65b0\u8a18\u9304\u63d2\u5165\u6210\u529f\";\n} else {\n    echo \"\u932f\u8aa4: \" . $sql . \"<br>\" . $conn->error;\n}\n?><\/code><\/pre>\n
3. \u67e5\u8a62\u6578\u64da<\/h3>\n
\u67e5\u8a62\u6578\u64da\u662f\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u6700\u5e38\u898b\u7684\u9700\u6c42\u4e4b\u4e00\u3002\u4ee5\u4e0b\u662f\u67e5\u8a62\u201cusers\u201d\u8868\u4e2d\u6240\u6709\u7528\u6236\u7684\u793a\u4f8b\uff1a<\/p>\n
<?php\n$sql = \"SELECT id, username, email FROM users\";\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[\"username\"]. \" - Email: \" . $row[\"email\"]. \"<br>\";\n    }\n} else {\n    echo \"0 \u7d50\u679c\";\n}\n?><\/code><\/pre>\n
4. \u66f4\u65b0\u6578\u64da<\/h3>\n
\u66f4\u65b0\u6578\u64da\u7684\u64cd\u4f5c\u4e5f\u975e\u5e38\u7c21\u55ae\uff0c\u4ee5\u4e0b\u662f\u66f4\u65b0\u7528\u6236\u96fb\u5b50\u90f5\u4ef6\u7684\u793a\u4f8b\uff1a<\/p>\n
<?php\n$sql = \"UPDATE users SET email='newemail@example.com' WHERE username='JohnDoe'\";\n\nif ($conn->query($sql) === TRUE) {\n    echo \"\u8a18\u9304\u66f4\u65b0\u6210\u529f\";\n} else {\n    echo \"\u932f\u8aa4: \" . $sql . \"<br>\" . $conn->error;\n}\n?><\/code><\/pre>\n
5. \u522a\u9664\u6578\u64da<\/h3>\n
\u6700\u5f8c\uff0c\u522a\u9664\u6578\u64da\u7684\u64cd\u4f5c\u4e5f\u5f88\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u522a\u9664\u7528\u6236\u7684\u793a\u4f8b\uff1a<\/p>\n
<?php\n$sql = \"DELETE FROM users WHERE username='JohnDoe'\";\n\nif ($conn->query($sql) === TRUE) {\n    echo \"\u8a18\u9304\u522a\u9664\u6210\u529f\";\n} else {\n    echo \"\u932f\u8aa4: \" . $sql . \"<br>\" . $conn->error;\n}\n?><\/code><\/pre>\n
\u7d50\u8ad6<\/h2>\n
\u901a\u904e\u4ee5\u4e0a\u793a\u4f8b\uff0c\u6211\u5011\u53ef\u4ee5\u770b\u5230PHP\u8207MySQL\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u662f\u76f8\u5c0d\u7c21\u55ae\u4e14\u76f4\u89c0\u7684\u3002\u7121\u8ad6\u662f\u5275\u5efa\u6578\u64da\u8868\u3001\u63d2\u5165\u6578\u64da\u3001\u67e5\u8a62\u6578\u64da\u3001\u66f4\u65b0\u6578\u64da\u9084\u662f\u522a\u9664\u6578\u64da\uff0cPHP\u90fd\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u652f\u6301\u3002\u96a8\u8457\u5c0dPHP\u548c\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u6df1\u5165\u5b78\u7fd2\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5275\u5efa\u51fa\u66f4\u70ba\u8907\u96dc\u548c\u529f\u80fd\u8c50\u5bcc\u7684Web\u61c9\u7528\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684PHP\u61c9\u7528\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u4f3a\u670d\u5668\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u638c\u63e1PHP\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u8f15\u9b06\u5b78\u7fd2\u5be6\u8e10\u6280\u5de7\uff0c\u63d0\u5347\u958b\u767c\u80fd\u529b\uff0c\u5feb\u901f\u5efa\u7acb\u9ad8\u6548\u7684\u6578\u64da\u9a45\u52d5\u61c9\u7528\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-96560","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96560","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=96560"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96560\/revisions"}],"predecessor-version":[{"id":96561,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96560\/revisions\/96561"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96560"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96560"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96560"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}