PHP教程：利用jquery实现无刷新删除数据(2)_H5之家

jQuery

index.tpl :

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "">
<html xmlns="">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>所有留言</title>
<link rel="stylesheet" type="text/css" href="style.css" media="all" />

<script type="text/javascript" src="lib/jquery.js"></script>
</head>
<body>

Welcome:
<a href="logout.php">退出</a>

<a href="login.php">登录</a>
<a href="reg.php">注册</a>

<a href="add.php">发表留言</a>

<table id="t" width="700" border="0" cellspacing="0" cellpadding="0" class="tb">
<tr>
<td class="bg"><b>[]</b> 发表于：</td>
</tr>
<tr>
<td>
<br />

附件：<a target="_blank" href="uploads/"></a>

</td>
</tr>
<tr>
<td align="right"><a href="add.php?id=">修改</a> <a href="javascript:delItem('')">删除</a>& lt;!--{/if}--></td>
</tr>
</table>


<script>
function delItem (id) {
$.get('delete.php?id='+id,null,function (msg) {
if ('1'==msg) {
$('#t'+id).remove();
} else {
alert(msg);
}

});
}
</script>
</body>
</html>

delete.php :

<?php
require('common.php');
// 查询出留言信息
$q = $query->query('select * from gb_content whereid']));
$rs = $query->fetch_array($q);
$error = array();
if ($rs['user_id']!=intval($_SESSION['user_id'])) {// 判断user_id是否相同
$error = '该信息你不能删除，只能删除自己发布的';
}
if (!$error) {
$query->query('delete from gb_content whereid']));//删除语句
if ($rs['user_file']) {//删除附件
@unlink('uploads/'.$rs['user_file']);
}
echo 1;//表示成功
} else {
echo $error;
}
?>