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PDO预处理删除操作
咸鱼梦
Original
822 people have browsed it
<?php
header('Content-Type:text/html;charset=UTF-8');
*try {
	$dsn = 'mysql:dbname=demo';
	$userNmae = 'root';
	$password = 'root';
	$pdo = new PDO($dsn,$userNmae,$password);
	
	//
	$sql = "DELETE FROM `user` WHERE `id`=:id";
	//执行预处理sql删除语句,创建一个PDOStatement对象
	$pdoStmt = $pdo->prepare($sql);
	if ($pdoStmt == true) {
		//声明要删除的id
		$data = ['id'=>4];
		//绑定要删除的id
		$pdoStmt->bindParam(':id',$data['id']);
		$res = $pdoStmt->execute($data);
		if ($res == true) {
			echo '删除成功!';
		} else {
			echo '删除失败!!!';
		}
	} else {
		print_r($pdo->errorInfo());
	}
	
} catch (PDOException $e) {
	print 'Connect ERROR'.$e->getMessage();
	dre();
}

简写:

<?php
header('Content-Type:text/html;charset=UTF-8');
//连接数据库
$pdo = new PDO('mysql:dbname=demo','root','root');
//执行sql删除语句
$pdoStmt = $pdo->prepare("DELETE FROM `user` WHERE `id`=:id");
//执行pdo对象并判断结果
echo $pdoStmt->execute(['id'=>13]) ? '删除成功!' : '删除失败!!!';


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