<?php
// 本类由系统自动生成,仅供测试用途
class IndexAction extends Action {
public function _before_index(){
//做判断,如果没有登录,跳转到登录页面
if(!isset($_SESSION['username']) || $_SESSION['username']=='')
{
$this->redirect('Login/index');
}
}
public function index(){
$city=M('city'); //返回Model实例
//返回数组
$arr=$city->select();
//dump($arr);
$this->assign('list',$arr);
$this->display();
}
public function next(){
$this->display();
}
}
//如果没有登录打开index/index.html 会跳转到Login/index 页面
//登录接口:
<?php
class LoginAction extends Action{
function index(){
$this->display();
}
public function do_login() {
$username=$_POST['username'];
$password=$_POST['password'];
$user=M('user');
$where['username']=$username;
$where['passord']=$password;
$c=$user->where($where)->count();
if ($c>0){
//必须向SESSION里写数据,不然跳转到Index/index
$_SESSION['username']=$username;
$this->redirect('Index/index');
}else{
$this->error('用户不能登录');
}
}
}
?>
//必须向SESSION里写数据,不然跳转到Index/index
会检测if(!isset($_SESSION['username']) || $_SESSION['username']=='') 如果没有$_SESSION['username']值 又会跳转到登录页面,造成死循环
//登录页面:
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="Generator" content="EditPlus®">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
<title>Document</title>
</head>
<body>
<!-- __URL__: 会替换成当前模块的URL地址(不含域名) -->
<!-- Login模块下的do_login处理 -->
<form action="__URL__/do_login" method='post'>
用户名:<input type='text' name='username'/><br/>
密码:<input type='password' name='password'/><br/>
<input type='submit' value='登录'/>
</form>
</body>
</html>