{"id":96558,"date":"2024-10-20T10:27:19","date_gmt":"2024-10-20T02:27:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96558\/"},"modified":"2024-10-20T10:27:20","modified_gmt":"2024-10-20T02:27:20","slug":"php%e8%bc%95%e9%ac%86%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%ef%bc%9a%e5%ad%b8%e6%9c%83%e8%aa%bf%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab-php-%e8%aa%bf%e7%94%a8%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96558\/","title":{"rendered":"php\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u5eab\u64cd\u4f5c\uff1a\u5b78\u6703\u8abf\u7528\u6578\u64da\u5eab (php \u8abf\u7528\u6578\u64da\u5eab)"},"content":{"rendered":"

PHP\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u5eab\u64cd\u4f5c\uff1a\u5b78\u6703\u8abf\u7528\u6578\u64da\u5eab<\/h1>\n

\u5728\u7576\u4eca\u7684\u7db2\u7d61\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u64cd\u4f5c\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002PHP\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u4f3a\u670d\u5668\u7aef\u8173\u672c\u8a9e\u8a00\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528PHP\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u7bc4\u4f8b\u4f86\u5e6b\u52a9\u8b80\u8005\u7406\u89e3\u5982\u4f55\u8abf\u7528\u6578\u64da\u5eab\u3002<\/p>\n

1. \u4e86\u89e3\u6578\u64da\u5eab\u8207PHP\u7684\u95dc\u4fc2<\/h2>\n

\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u7528\u65bc\u5b58\u5132\u548c\u7ba1\u7406\u6578\u64da\u7684\u7cfb\u7d71\uff0c\u800cPHP\u5247\u662f\u4e00\u7a2e\u7528\u65bc\u5275\u5efa\u52d5\u614b\u7db2\u9801\u7684\u8a9e\u8a00\u3002\u901a\u904ePHP\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u57f7\u884c\u67e5\u8a62\uff0c\u4e26\u8655\u7406\u8fd4\u56de\u7684\u6578\u64da\u3002\u6700\u5e38\u7528\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u5305\u62ecMySQL\u3001PostgreSQL\u548cSQLite\u7b49\u3002<\/p>\n

2. \u4f7f\u7528MySQLi\u64f4\u5c55\u9023\u63a5\u6578\u64da\u5eab<\/h2>\n

\u5728PHP\u4e2d\uff0cMySQLi\uff08MySQL Improved\uff09\u64f4\u5c55\u63d0\u4f9b\u4e86\u4e00\u7a2e\u7c21\u55ae\u7684\u65b9\u5f0f\u4f86\u9023\u63a5\u548c\u64cd\u4f5cMySQL\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528MySQLi\u9023\u63a5\u5230\u6578\u64da\u5eab\u7684\u7bc4\u4f8b\uff1a<\/p>\n

<?php\n\/\/ \u8a2d\u5b9a\u6578\u64da\u5eab\u9023\u63a5\u53c3\u6578\n$servername = \"localhost\";\n$username = \"username\";\n$password = \"password\";\n$dbname = \"database_name\";\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: \" . $conn->connect_error);\n}\necho \"\u9023\u63a5\u6210\u529f\";\n?><\/code><\/pre>\n
3. \u57f7\u884c\u57fa\u672c\u7684\u6578\u64da\u5eab\u64cd\u4f5c<\/h2>\n
3.1 \u63d2\u5165\u6578\u64da<\/h3>\n
\u63d2\u5165\u6578\u64da\u662f\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u6700\u57fa\u672c\u7684\u529f\u80fd\u4e4b\u4e00\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u7bc4\u4f8b\uff1a<\/p>\n
<?php\n$sql = \"INSERT INTO users (name, email) VALUES ('John Doe', '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>\" . $conn->error;\n}\n?><\/code><\/pre>\n
3.2 \u67e5\u8a62\u6578\u64da<\/h3>\n
\u67e5\u8a62\u6578\u64da\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\u5f9e\u6578\u64da\u5eab\u4e2d\u7372\u53d6\u6240\u9700\u7684\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u67e5\u8a62\u6578\u64da\u7684\u7bc4\u4f8b\uff1a<\/p>\n
<?php\n$sql = \"SELECT id, name, email FROM users\";\n$result = $conn->query($sql);\n\nif ($result->num_rows > 0) {\n    \/\/ \u8f38\u51fa\u6bcf\u884c\u6578\u64da\n    while($row = $result->fetch_assoc()) {\n        echo \"id: \" . $row[\"id\"]. \" - Name: \" . $row[\"name\"]. \" - Email: \" . $row[\"email\"]. \"<br>\";\n    }\n} else {\n    echo \"0 \u7d50\u679c\";\n}\n?><\/code><\/pre>\n
3.3 \u66f4\u65b0\u6578\u64da<\/h3>\n
\u66f4\u65b0\u6578\u64da\u662f\u4fee\u6539\u5df2\u5b58\u5728\u8a18\u9304\u7684\u904e\u7a0b\u3002\u4ee5\u4e0b\u662f\u66f4\u65b0\u6578\u64da\u7684\u7bc4\u4f8b\uff1a<\/p>\n
<?php\n$sql = \"UPDATE users SET email='john.doe@example.com' WHERE name='John Doe'\";\n\nif ($conn->query($sql) === TRUE) {\n    echo \"\u8a18\u9304\u66f4\u65b0\u6210\u529f\";\n} else {\n    echo \"\u932f\u8aa4: \" . $sql . \"<br>\" . $conn->error;\n}\n?><\/code><\/pre>\n
3.4 \u522a\u9664\u6578\u64da<\/h3>\n
\u522a\u9664\u6578\u64da\u662f\u5f9e\u6578\u64da\u5eab\u4e2d\u79fb\u9664\u4e0d\u518d\u9700\u8981\u7684\u8a18\u9304\u3002\u4ee5\u4e0b\u662f\u522a\u9664\u6578\u64da\u7684\u7bc4\u4f8b\uff1a<\/p>\n
<?php\n$sql = \"DELETE FROM users WHERE name='John Doe'\";\n\nif ($conn->query($sql) === TRUE) {\n    echo \"\u8a18\u9304\u522a\u9664\u6210\u529f\";\n} else {\n    echo \"\u932f\u8aa4: \" . $sql . \"<br>\" . $conn->error;\n}\n?><\/code><\/pre>\n
4. \u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5<\/h2>\n
\u5728\u5b8c\u6210\u6240\u6709\u64cd\u4f5c\u5f8c\uff0c\u8a18\u5f97\u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5\uff0c\u4ee5\u91cb\u653e\u8cc7\u6e90\uff1a<\/p>\n
<?php\n$conn->close();\n?><\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u901a\u904e\u4ee5\u4e0a\u7684\u4ecb\u7d39\uff0c\u6211\u5011\u53ef\u4ee5\u770b\u5230\uff0c\u4f7f\u7528PHP\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u662f\u76f8\u5c0d\u7c21\u55ae\u7684\u3002\u7121\u8ad6\u662f\u63d2\u5165\u3001\u67e5\u8a62\u3001\u66f4\u65b0\u9084\u662f\u522a\u9664\u6578\u64da\uff0cPHP\u90fd\u63d0\u4f9b\u4e86\u76f4\u89c0\u7684\u8a9e\u6cd5\u4f86\u5be6\u73fe\u9019\u4e9b\u529f\u80fd\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u9999\u6e2f\u5c0b\u627e\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684 VPS<\/a> \u6216 \u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u9019\u6a23\u4e0d\u50c5\u80fd\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\uff0c\u9084\u80fd\u63d0\u9ad8\u61c9\u7528\u7684\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u8f15\u9b06\u4f7f\u7528PHP\u8abf\u7528\u6578\u64da\u5eab\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387\u8207\u6578\u64da\u7ba1\u7406\u80fd\u529b\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-96558","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96558","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=96558"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96558\/revisions"}],"predecessor-version":[{"id":96559,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96558\/revisions\/96559"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}