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使用PDO进行数据表的更新操作——2月25号
iL的博客
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实例

<?php

//1.连接数据库
$pdo=new PDO('mysql:host=127.0.0.1;dbname=php','root','root');

//2.创建预处理对象
$sql='UPDATE `staff` SET `age`=:age WHERE `id`=2';
$stmt=$pdo->prepare($sql);


//3.执行操作
//$stmt->bindValue(age,26,PDO::PARAM_INT);

//换个方法
$stmt->execute([age=>28]);


//检测是否成功
if($stmt->rowCount()>0){
    echo '成功的更新了'.$stmt->rowCount().'条记录';
}

//关闭连接
$pdo=null;

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