tp5登陆接口

use think\Controller;
use think\Db;
use think\Request;

class User extends Controller
{
	public function login(Request $request)//登陆接口
	{
		header('Access-Control-Allow-Origin:*');
		if($request->isPost()){
			$data=input('post.');
			$result = $this->validate($data,'User');
			if(true !== $result){
				return json(['status' => 'error','msg' => '用户名或者密码格式不正确！']);
			}
			$password=substr(md5($data['apassword']),8,16);
			$result=Db::name('user')->where('username',$data['ausername'])->where('password',$password)->find();
			if($result){
				switch ($result['status']) {
					case '0':
					case '1':
					session('userid', $result['id']);
					return json(['status' => 'success','msg' => '登陆成功！']);
					break;
					case '2':
					return json(['status' => 'error','msg' => '用户已被禁用，请联系管理员！']);
					break;
				}
			}else{
				return json(['status' => 'error','msg' => '用户名或者密码错误！']);
			}
		}
	}
}
<?php
namespace app\api\controller;

use think\Controller;
use think\Db;
use think\Request;

class UserCheck extends Controller {
    public function _initialize() {
    	$this->check_login();
    }
	protected function check_login(){
		$userid=session('userid');
		if(empty($userid)){
			$this->redirect('api/user/login');
		}
	}
}
<?php
namespace app\api\validate;

use think\Validate;

class User extends Validate
{
    protected $rule = [
        'ausername'  =>  'require|max:20',
        'apassword' =>  'require|max:20',
    ];
    
    protected $message = [
        'ausername.require'  =>  '请输入用户名',
        'ausername.max'  =>  '用户名不能超过20个字符',
        'apassword.require' =>  '请输入密码',
        'ausername.require'  =>  '密码不能超过20个字符',
    ];
}
$("#login").click(function (){
    $.ajax({
        type: "POST",
        dataType: "json",
        url: "http://localhost/tp5/public/index.php/api/user/login" ,//登陆接口路径
        data: $('#form1').serialize(),
        success: function (result) {
            if(result.status=='success'){
                window.location.href="index.html";
            }else if(result.status=='error'){
                alert(result.msg);
                return false;
            }
        },
        error : function() {
            alert("登陆失败！");
        }
    });
});


<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<title>首页</title>
</head>
<body>
<h1>Hello World!</h1>
</body>
</html>



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