function index(){
//创建模型
$user=D('user');
$keywords=$_POST['keywords'];
$type=$_POST['type'];
if(!empty($keywords) && !empty($type)){
$where=$type." like '%".$keywords."%'";
}else{
}
dump($where);
$list=$user->where($where)->select();
$this->assign('ulist',$list);
$this->display();
}
view 代码：
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<h1 style="text-align: center;">查询数据</h1>
<form action="__URL__/index" method="post">
关键词：<input type="text" name="keywords" />
类型：<select name="type">
<option value="username">用户名</option>
<option value="name">昵称</option>
<option value="id">id</option>
</select>
<input type="submit"value="查询" />
</form>
<table border="10" bordercolor="red" width="30%" style="text-align: center;margin: auto;">
<tr><th>用户名</th><th>昵称</th><th>是否激活</th><th>ID</th></tr>
<volist name="ulist" id="user">
<tr>
<td>{$user['username']}</td>
<td>{$user['name']}</td>
<td>{$user['active']}</td>
<td>{$user['id']}</td>
</tr>
</volist>
<a href="__URL__/add">back</a>
</table>
</body>
</html> that's all thank you!