php PDO 链接 mysql 最简单 实例

 

define("DB_SERVER","127.0.0.1"); define("DB_PORT",3306); define("DB_CATALOG","uab"); define("DB_USERID","root"); define("DB_PASSWORD",""); $dsn="mysql:host=".DB_SERVER.";port=".DB_PORT.";dbname=".DB_CATALOG; self::$__PDO=new PDO($dsn, DB_USERID, DB_PASSWORD); //support long connection self::$__PDO=new PDO($dsn, DB_USERID, DB_PASSWORD, array(PDO::ATTR_PERSISTENT => true));