abstract：<?php //require 'demo21.php'; try{ $pdo=new PDO('mysql:host=localhost;dbname=edu','root','root'); }catch (Exception $e){
<?php
//require 'demo21.php';
try{
$pdo=new PDO('mysql:host=localhost;dbname=edu','root','root');
}catch (Exception $e){
exit($e->getMessage());
}
$sql="select id,name,sex,age,creat_time from user where status=:status";
$stmt=$pdo->prepare($sql);
$stmt->execute([':status'=>1]);
$result=$stmt->fetchAll(PDO::FETCH_ASSOC);
?><style>
table{width: 600px;border: #ccc solid;border-spacing:0px;}
table td{width:20%;white-space:nowrap;height: 30px;line-height: 30px;text-align: center;border: 1px solid #ccc}
table tr:nth-child(odd){background-color: #9acfea}
</style>
<table cellpadding="0" cellspacing="0">
<tr>
<th>id</th>
<th>姓名</th>
<th>性别</th>
<th>年龄</th>
<th>注册时间</th>
</tr>
<?php foreach($result as $k=>$v): ?>
<tr>
<td><?php echo $v['id'] ?></td>
<td><?php echo $v['name'] ?></td>
<td><?php echo $v['sex'] ?></td>
<td><?php echo $v['age'] ?></td>
<td><?php echo date('Y-h-d',$v['creat_time'])?></td>
</tr>
<?php
endforeach;
?>
</table>
Correcting teacher：天蓬老师Correction time：2019-02-18 13:45:54
Teacher's summary：$stmt->execute([':status'=>1]);键名建议不要加冒号, 如果参数是通过接口,或者参数传入会有问题, php支持省略掉冒号