{"id":186868,"date":"2024-11-11T09:30:27","date_gmt":"2024-11-11T01:30:27","guid":{"rendered":"https:\/\/server.hk\/cnblog\/186868\/"},"modified":"2024-11-11T09:30:28","modified_gmt":"2024-11-11T01:30:28","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e6%96%87%e4%bb%b6%e6%80%8e%e6%a8%a3%e8%a8%ad%e7%bd%ae%e5%90%88%e9%81%a9%ef%bc%9f-%e6%95%b8%e6%93%9a%e5%ba%abconn%e6%96%87%e4%bb%b6%e5%a6%82%e4%bd%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/186868\/","title":{"rendered":"\u6578\u64da\u5eab\u9023\u63a5\u6587\u4ef6\u600e\u6a23\u8a2d\u7f6e\u5408\u9069\uff1f (\u6578\u64da\u5eabconn\u6587\u4ef6\u5982\u4f55\u914d\u7f6e)"},"content":{"rendered":"

\u6578\u64da\u5eab\u9023\u63a5\u6587\u4ef6\u600e\u6a23\u8a2d\u7f6e\u5408\u9069\uff1f (\u6578\u64da\u5eabconn\u6587\u4ef6\u5982\u4f55\u914d\u7f6e)<\/h1>\n

\u5728\u73fe\u4ee3\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u5eab\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7121\u8ad6\u662f\u7db2\u7ad9\u3001\u79fb\u52d5\u61c9\u7528\u9084\u662f\u5176\u4ed6\u985e\u578b\u7684\u8edf\u4ef6\uff0c\u6578\u64da\u5eab\u90fd\u8ca0\u8cac\u5b58\u5132\u548c\u7ba1\u7406\u6578\u64da\u3002\u70ba\u4e86\u8b93\u61c9\u7528\u7a0b\u5e8f\u80fd\u5920\u8207\u6578\u64da\u5eab\u9032\u884c\u6709\u6548\u7684\u4ea4\u4e92\uff0c\u6b63\u78ba\u914d\u7f6e\u6578\u64da\u5eab\u9023\u63a5\u6587\u4ef6\uff08\u901a\u5e38\u7a31\u70baconn\u6587\u4ef6\uff09\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u8a2d\u7f6e\u5408\u9069\u7684\u6578\u64da\u5eab\u9023\u63a5\u6587\u4ef6\uff0c\u4ee5\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u9023\u63a5\u6587\u4ef6\uff1f<\/h2>\n

\u6578\u64da\u5eab\u9023\u63a5\u6587\u4ef6\u662f\u4e00\u500b\u914d\u7f6e\u6587\u4ef6\uff0c\u5305\u542b\u4e86\u61c9\u7528\u7a0b\u5e8f\u8207\u6578\u64da\u5eab\u4e4b\u9593\u7684\u9023\u63a5\u4fe1\u606f\u3002\u9019\u4e9b\u4fe1\u606f\u901a\u5e38\u5305\u62ec\u6578\u64da\u5eab\u7684\u4e3b\u6a5f\u540d\u3001\u7aef\u53e3\u865f\u3001\u7528\u6236\u540d\u3001\u5bc6\u78bc\u4ee5\u53ca\u6578\u64da\u5eab\u540d\u7a31\u7b49\u3002\u6b63\u78ba\u7684\u914d\u7f6e\u53ef\u4ee5\u5e6b\u52a9\u61c9\u7528\u7a0b\u5e8f\u9806\u5229\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u4e26\u9032\u884c\u6578\u64da\u7684\u8b80\u53d6\u548c\u5beb\u5165\u64cd\u4f5c\u3002<\/p>\n

\u6578\u64da\u5eab\u9023\u63a5\u6587\u4ef6\u7684\u57fa\u672c\u7d50\u69cb<\/h2>\n

\u4ee5\u4e0b\u662f\u4e00\u500b\u5178\u578b\u7684\u6578\u64da\u5eab\u9023\u63a5\u6587\u4ef6\u7684\u7bc4\u4f8b\uff0c\u4f7f\u7528PHP\u8a9e\u8a00\u9032\u884c\u8aaa\u660e\uff1a<\/p>\n

<?php\n$host = 'localhost'; \/\/ \u6578\u64da\u5eab\u4e3b\u6a5f\n$port = '3306'; \/\/ \u6578\u64da\u5eab\u7aef\u53e3\n$dbname = 'my_database'; \/\/ \u6578\u64da\u5eab\u540d\u7a31\n$username = 'my_user'; \/\/ \u7528\u6236\u540d\n$password = 'my_password'; \/\/ \u5bc6\u78bc\n\ntry {\n    $conn = new PDO(\"mysql:host=$host;port=$port;dbname=$dbname\", $username, $password);\n    \/\/ \u8a2d\u7f6e PDO \u932f\u8aa4\u6a21\u5f0f\u70ba\u7570\u5e38\n    $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);\n    echo \"\u9023\u63a5\u6210\u529f\";\n} catch (PDOException $e) {\n    echo \"\u9023\u63a5\u5931\u6557: \" . $e->getMessage();\n}\n?><\/code><\/pre>\n
\u8a2d\u7f6e\u6578\u64da\u5eab\u9023\u63a5\u6587\u4ef6\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n
1. \u4f7f\u7528\u74b0\u5883\u8b8a\u91cf<\/h3>\n
\u70ba\u4e86\u63d0\u9ad8\u5b89\u5168\u6027\uff0c\u5efa\u8b70\u5c07\u654f\u611f\u4fe1\u606f\uff08\u5982\u7528\u6236\u540d\u548c\u5bc6\u78bc\uff09\u5b58\u5132\u5728\u74b0\u5883\u8b8a\u91cf\u4e2d\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u5beb\u5728\u4ee3\u78bc\u4e2d\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u4fe1\u606f\u6d29\u9732\u7684\u98a8\u96aa\u3002<\/p>\n
<?php\n$host = getenv('DB_HOST');\n$port = getenv('DB_PORT');\n$dbname = getenv('DB_NAME');\n$username = getenv('DB_USER');\n$password = getenv('DB_PASS');\n?><\/code><\/pre>\n
2. \u932f\u8aa4\u8655\u7406<\/h3>\n
\u5728\u9023\u63a5\u6578\u64da\u5eab\u6642\uff0c\u61c9\u8a72\u59a5\u5584\u8655\u7406\u53ef\u80fd\u51fa\u73fe\u7684\u932f\u8aa4\u3002\u4f7f\u7528\u7570\u5e38\u8655\u7406\u6a5f\u5236\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u5b9a\u4f4d\u554f\u984c\uff0c\u4e26\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n
3. \u4f7f\u7528\u6301\u4e45\u9023\u63a5<\/h3>\n
\u5982\u679c\u61c9\u7528\u7a0b\u5e8f\u9700\u8981\u983b\u7e41\u5730\u8207\u6578\u64da\u5eab\u4ea4\u4e92\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u6301\u4e45\u9023\u63a5\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u6bcf\u6b21\u8acb\u6c42\u6642\u7684\u9023\u63a5\u958b\u92b7\uff0c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n
$conn = new PDO(\"mysql:host=$host;port=$port;dbname=$dbname\", $username, $password, array(PDO::ATTR_PERSISTENT => true));\n<\/code><\/pre>\n
4. \u5b9a\u671f\u66f4\u65b0\u5bc6\u78bc<\/h3>\n
\u70ba\u4e86\u4fdd\u8b77\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\uff0c\u5efa\u8b70\u5b9a\u671f\u66f4\u65b0\u6578\u64da\u5eab\u7528\u6236\u7684\u5bc6\u78bc\uff0c\u4e26\u5728\u9023\u63a5\u6587\u4ef6\u4e2d\u53ca\u6642\u66f4\u65b0\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u8a2d\u7f6e\u5408\u9069\u7684\u6578\u64da\u5eab\u9023\u63a5\u6587\u4ef6\u5c0d\u65bc\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u7684\u6b63\u5e38\u904b\u884c\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4f7f\u7528\u74b0\u5883\u8b8a\u91cf\u3001\u59a5\u5584\u8655\u7406\u932f\u8aa4\u3001\u8003\u616e\u6301\u4e45\u9023\u63a5\u4ee5\u53ca\u5b9a\u671f\u66f4\u65b0\u5bc6\u78bc\u7b49\u6700\u4f73\u5be6\u8e10\uff0c\u53ef\u4ee5\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u5b89\u5168\u6027\u548c\u6027\u80fd\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u6258\u7ba1\u60a8\u7684\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 \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 \u4e91\u670d\u52a1\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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