PDO数据库

$dsn = "mysql:host=localhost;dbtable=...";

$user = "";

$passwd = "";

$pdo = new PDO($dsn,$user,$passwd);

$sql = "";

1. $pdoS = $pdo->query($sql);

return pdoStatement Object

 

2. $pdoS = $pdo->prepare($sql);

return pdoStatement Object

　　$pdoS->bindParam();

　　$pdoS->execute($sql);

　　$pdoS->fetch();

　　$pdoS->fetchAll();