application/index/controller/LoginOther.php

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<?php
namespace app\index\controller;
//use think\Controller;
use app\index\model\UserSpace;
//use alidayu\SendSms;
// use alidayu\Autoloader;
class LoginOther extends Base
{
    public function index()
    {
      $qq_open_id=session('qq_open_id', '', 'index');
      $is_user=$this->check_qq_open_id($qq_open_id);
      if($is_user){
           $this->redirect('Index/index');
      }
      
       $name_arr= $this-> name_arr;
        $rand_num=rand(0,99);
         $new_password=rand(10000,99999);
        $sub_qq_open_id=substr($qq_open_id,4,6);
//         $new_password=substr($qq_open_id,12,5);
       
                $this->assign('rand_name', $name_arr[$rand_num].strtolower($sub_qq_open_id));
                $this->assign('rand_password', $new_password);

        return $this->fetch();
    }
    //检查qq_open_id是否存在
    public function check_qq_open_id($qq_open_id)
    {
      $UserSpace=  UserSpace::where(['qq_open_id' => $qq_open_id])->find();  
       if($UserSpace){
           session('uid', $UserSpace['uid'], 'index');
            session('username', $UserSpace['username'], 'index');
           return 1;
           
       }else{return 0;}
    }
     public function check_username()
    {
      $username=  request()->param('value');
      $UserSpace=  UserSpace::where(['username' => $username])->find();
      if($UserSpace){ $res=1;}else{ $res=0;}
//         $res=1;
     if($res){
$data = ['info' =>  "用户存在", 'status' => 1];
}else{
$data = ['info' =>  "用户不存在", 'status' => 0];
}
return json($data); 
    }
    //根据qq_open_id和随机用户名添加新用户
     public function add_user_by_username()
    {
    $username=  request()->param('value');
     $new_password=  request()->param('id');
     $qq_open_id=session('qq_open_id', '', 'index');
     $user = new UserSpace;
$user->username = $username;
$user->password = md5(sha1($new_password));