[PHP]PDO的使用

1. 安装php5.1以上的版本,有支持pdo!为了使你的环境能提供对pdo的支持!在php.ini文件加入以下:
extension=php_pdo.dll
extension=php_pdo_mysql.dll
extension=php_pdo_mssql.dll(支持mssql数据库)
2. 以下为PH中PDO的具体使用
 <?php
$dsn = 'mysql:dbname=MyDbName;host=localhost';
$user = 'root';
$password = '666666';
try {
$dbCon = new PDO($dsn, $user, $password);
} catch (PDOException $e) {
print 'Connection failed: '.$e->getMessage();
}
//------------pdo query example---------
$strSQL = "select * from Users";
//---------method1---------
try {
$result = $dbCon->query($strSQL);
if( $result ){
$uCol = $result ->columnCount();
$arRS = $result ->fetchAll();
foreach ($arRS as $row){
for( $i=0; $i<$uCol; $i++ )
print $row[$i]." ";
print "<br>";
}
}
}catch (PDOException $e) {
print $e->getMessage();
}

//---------method2---------
try {
$sth = $dbCon->prepare($strSQL);
$sth->execute();
$uCol = $sth->columnCount();

while($row = $sth->fetch()){
for( $i=0; $i<$uCol; $i++ )
print $row[$i]." ";
print "<br>";
}

$result = $sth->fetchAll();
foreach ($result as $row){
for( $i=0; $i<$uCol; $i++ )
print $row[$i]." ";
print "<br>";
}
}catch (PDOException $e) {
print $e->getMessage();
}
?>