helper/application/mobile/controller/Login.php

<?php
// +------------------------------------------------+
// |http://www.cjango.com                           |
// +------------------------------------------------+
// | 修复BUG不是一朝一夕的事情，等我喝醉了再说吧！  |
// +------------------------------------------------+
// | Author: 小陈叔叔 <Jason.Chen>                  |
// +------------------------------------------------+
namespace app\mobile\controller;

use app\common\model\Member as MemberModel;
use app\common\service\Member as MemberService;
use app\common\service\Sms as SmsService;
use app\common\validate\Member as MemberValidate;
use cjango\Wechat\Oauth;

class Login extends _Init
{
    public function _initialize()
    {
        // parent::fenxiang();
        $this->showWx = 1;
    }

    public function index()
    {
        if (IS_POST) {
            $user = $this->request->post('username');
            $pass = $this->request->post('password');
            $res  = MemberService::login($user, $pass);
            if ($res === true) {
                return $this->success('登录成功', 'center/index');
            } else {
                return $this->error($res);
            }
        } else {
            if (parent::isLogin()) {
                $this->redirect('center/index');
            }
            return $this->fetch();
        }
    }

    /**
     * 注册
     * @return [type] [description]
     */
    public function reg($invite = 0)
    {
        if (IS_POST) {
            $user   = $this->request->post('username');
            $pass   = $this->request->post('password');
            $repass = $this->request->post('repassword');
            $code   = $this->request->post('mobile_code');

            //校验注册数据
            $data = [
                'username' => $user,
                'password' => $pass,
                'repass'   => $repass,
            ];
            $validate = new MemberValidate();
            if (!$validate->scene('mobileRegister')->check($data)) {
                return $this->error($validate->getError());
            }

            //验证码校验
            $checkCode = SmsService::check($user, $code);
            if ($checkCode !== true) {
                return $this->error($checkCode);
            }

            $res = MemberService::register($user, $pass, 1, $invite);
            if ($res === true) {
                return $this->success('注册成功', 'login/index');
            } else {
                return $this->error($res);
            }
        } else {
            return $this->fetch();
        }
    }

    /**
     * 忘记密码
     * @return [type] [description]
     */
    public function forget()
    {
        if (IS_POST) {
            $mobile = $this->request->post('mobile');
            $pass   = $this->request->post('password');
            $repass = $this->request->post('repassword');
            $code   = $this->request->post('mobile_code');
            //验证码校验
            $checkCode = SmsService::check($mobile, $code);
            if ($checkCode !== true) {
                return $this->error($checkCode);
            }
            $userInfo = MemberModel::where('username', $mobile)->find();
            $data     = [
                'newpass' => $pass,
                'repass'  => $repass,
            ];
            $validate = new MemberValidate();
            if (!$validate->scene('forget')->check(['newpass' => $pass, 'repass' => $repass])) {
                return $this->error($validate->getError());
            }
            if (!$userInfo) {
                return '没有这个用户';
            } elseif ($userInfo->save(['password' => $pass])) {
                return $this->success('', url('login/index'));
            } else {
                return $this->error('更新失败');
            }

        }
        return $this->fetch();
    }

    // 自动登录
    public function autoLogin()
    {
        parent::initWechat();
        $token = Oauth::token();
        if (!$token) {
            $url = Oauth::url(url('login/autoLogin'));
            $this->redirect($url);
        } else {
            $openid = $token['openid'];
            $res    = MemberService::openid_login($openid);
            if ($res === true) {
                $this->redirect(url('center/index'));
            } else {
                $this->redirect(url('login/info', ['title' => $res]));
            }
        }
    }

    /**
     * 信息提示  错误提示
     * @param  [type] $title [description]
     * @return [type]        [description]
     */
    public function info($title)
    {

        $this->info = $title;
        return $this->fetch();
    }

    public function logout()
    {
        MemberService::logout();
        return $this->success('退出成功', 'login/index');
    }
}