微信授权登录

加链接：<a class="ico_wx" href="https://open.weixin.qq.com/connect/oauth2/authorize?appid={$cfg_weixi_appkey}&redirect_uri={$main_host}/pub/thirdlogin/?type=wechat&response_type=code&scope=snsapi_base&state={$code}#wechat_redirect"><em></em><span>微信</span></a>

点击微信图标后，会跳转到pub/thirdlogin这个方法中去，并且将code码带过去，然后再通过微信的接口方法，获取用户信息进行保存

/**
     * 第三方登陆跳转，这里就是跳转的方法
     */
    public function action_thirdlogin()
    {
        $type = Arr::get($_GET, 'type');//$cookei = $_COOKIE;
        //print_R($sesharecode);die;
        //如果是微信登录
        if($type == "wechat"){

            $appid = $GLOBALS['cfg_weixi_appkey'];
            $appsecret = $GLOBALS['cfg_weixi_appsecret'];
            $code = Arr::get($_GET, 'code');//这就是获取传递过来的code码
            $fx_code = Arr::get($_GET, 'state');
            if (empty($code)) {
                Common::session('login_num', 1);
                $refer_url = $_SERVER['HTTP_REFERER'] ? $_SERVER['HTTP_REFERER'] : $this->cmsurl."member/login";
                Common::message_t(array('message' => '登陆失败', 'jumpUrl' =>  $refer_url ));
                die;
            }
            $rs = Common::wechat_login($appid, $appsecret,$code);//print_r($rs);die;这里就是调用微信的方法进行获取用户信息，到这里就能获取到用户信息了，下面的就是进行按照需求存储用户信息即可，不用看了
            if (empty($rs)) {
                Common::session('login_num', 1);
                $refer_url = $_SERVER['HTTP_REFERER'] ? $_SERVER['HTTP_REFERER'] : $this->cmsurl."member/login";
                Common::message_t(array('message' => '登陆失败', 'jumpUrl' =>  $refer_url ));
                die;
            }
           // Common::session('captcha_response', null);

            $member = DB::select('*')->from('member')->where('wechatcode', '=', $rs['openid'])->execute()->current();//判断用户是否存在
            if (empty($member)) //用户不存在,注册之
            {
                // $refer_url = $_SERVER['HTTP_REFERER'] ? $_SERVER['HTTP_REFERER'] : $this->cmsurl."member/register?code=".$fx_code."&openid=".$rs['openid'];
                // Common::message_t(array('message' => '请补充剩余资料完成注册', 'jumpUrl' =>  $refer_url ));
                // die;
                //获取包含的url
                //$redirecturl = $_GET['redirecturl'];
                //检测分享码是否存在
                //$sharing_code = Common::session('wx_fx_code');//Common::get_fx_code($redirecturl);
                //检测上下级关系
               /* if($sharing_code){
                    $data = Common::get_sharing_data($sharing_code);
                    if ($data == false) {
                        $data['pp_level'] = null;
                        $data['p_level'] = null;
                        $data['distribution'] = 0;
                    }
                }else{
                    $data['pp_level'] = null;
                    $data['p_level'] = null;
                    $data['distribution'] = 0;
                };*/
                //生成本人的code码
                $usercode = Common::get_rand_string($len=10,$type='',$addChars='');
                //获取用户的openid
                $wechatcode = $rs['openid'];
                //用户头像
                $litpic = $rs['headimgurl'];
                //分享类型
                $userType = 'wechat';
                //用户昵称
                //$nickname = $rs['nickname'];
                $regtype = 0;
                if ($userType == 'wechat')
                {
                    $isPhone = false;
                    $nickname = $rs['nickname'];
                    //$nickname='wechat'.substr($wechatcode,0,4).'***';
                } else
                {
                    $regtype = 1;
                    $nickname = 'wechat******';
                }
                $addtime = time();
                //新增数据
                list($insertId, $rows) = DB::insert('member', array('nickname', 'litpic', 'jointime', 'logintime', 'regtype','usercode','p_level','pp_level','wechatcode','distribution'))
                ->values(array($nickname, $litpic, $addtime, $addtime, $regtype,$usercode,$data['p_level'],$data['pp_level'],$wechatcode,$data['distribution']))->execute();
                
                if ($rows > 0)
                {
                    Common::session('crsf_code', null);
                    Common::session('captcha_response', null);
                    Common::session('msg_code', null);
                    Common::session('wx_fx_code',null);
                    //发送注册成功信息
                    if ($isPhone)
                    {
                        St_SMSService::send_member_msg($user,NoticeCommon::MEMBER_REG_MSGTAG,$user,$pwd,"");
                    } else
                    {
                        St_EmailService::send_member_email($user,NoticeCommon::MEMBER_REG_MSGTAG,$pwd,"");
                    }
                    //注册送积分
                    $jifen = Model_Jifen::reward_jifen('sys_member_register',$insertId);
                    if(!empty($jifen))
                    {
                        St_Product::add_jifen_log($insertId,"注册赠送积分{$jifen}",$jifen,2);
                    }
                    //登录状态
                    Model_Member::write_session(Model_Member::get_member_byid($insertId));
                    $message = array('url' => Cookie::get('referer', $this->cmsurl), 'status' => 1);
                    $ucsynlogin = '';
                    if (defined('UC_API') && @include_once BASEPATH . '/uc_client/client.php')
                    {
                        $uid = uc_user_register($user, $pwd, $user);
                        if ($uid > 0)
                        {
                            $ucsynlogin = uc_user_synlogin($uid);
                        }
                    }
                    $message['js'] = $ucsynlogin;
                    Plugin_Core_Factory::factory()->add_listener('on_member_register', ORM::factory('member', $insertId)->as_array())->execute();
                    $refer_url = $_SERVER['HTTP_REFERER'] ? $_SERVER['HTTP_REFERER'] : $this->cmsurl."member";
                    Common::message_t(array('message' => '登陆成功', 'jumpUrl' =>  $refer_url ));
                }

            }
            else
            {   
                /*********************[生日判断]****************************/
                $a = $member['birth_date'];
                $b = explode('-',$a);
                array_shift($b);
                $str = implode('-', $b);
                $now = date('m-d');
                if ($now == $str) { //确认过生日
                    $result       = DB::select('addtime')->from('message')->where('memberid','=',$member['mid'])->and_where('type','=','104')->execute()->current();
                    if (!empty($result['addtime'])) { //有生日记录
                        if (date('Y',$result['addtime']) != date('Y')) { //判断是否为今年的生日祝福
                            $column       = array('type','content','memberid','addtime','status');
                            $column_value = array('104','生日快乐',$member['mid'],time(),0);
                            DB::insert('message', $column)->values($column_value)->execute();
                        }
                    }else{ //没有生日记录
                        $column       = array('type','content','memberid','addtime','status');
                        $column_value = array('104','生日快乐',$member['mid'],time(),0);
                        DB::insert('message', $column)->values($column_value)->execute();
                    }
                }
                /*********************[生日判断]****************************/
                //用户存在
                Model_Member::write_session($member, $member['nickname']);
                //清空登录次数
                Common::session('login_num', null);
                //删除Cookie
                $message = array('url' => Cookie::get('referer', $this->cmsurl), 'status' => 1);
                #api{{
                $ucsynlogin = '';
                if (defined('UC_API') && include_once BASEPATH . '/uc_client/client.php')
                {
                    //检查帐号
                    list($uid, $loginname, $password, $email) = uc_user_login($member['nickname'], $member['password']);

                    if ($uid > 0)
                    {
                        //同步登录的代码
                        $ucsynlogin = uc_user_synlogin($uid);
                    }
                    else if ($uid == -1)
                    {
                        $uid = uc_user_register($loginname, $member['password'], '');
                        if ($uid > 0)
                        {
                            $ucsynlogin = uc_user_synlogin($uid);
                        }
                    }
                }
                $refer_url = $_SERVER['HTTP_REFERER'] ? $_SERVER['HTTP_REFERER'] : $this->cmsurl."member";
                Common::message_t(array('message' => '登陆成功', 'jumpUrl' =>  $refer_url ));
            }
        }

    }

下面是封装的获取用户信息的微信方法：拿过来直接用就行

/**
     *
     * 微信授权
     */
    public static function wechat_login($appid, $appsecret, $code)
    {
        $token_url = 'https://api.weixin.qq.com/sns/oauth2/access_token?appid=' . $appid . '&secret=' . $appsecret . '&code=' . $code . '&grant_type=authorization_code';

        $token = json_decode(file_get_contents($token_url));
        //var_dump($token);die;
        if (isset($token->errcode)) {
            return false;
        }
        $access_token_url = 'https://api.weixin.qq.com/sns/oauth2/refresh_token?appid=' . $appid . '&grant_type=refresh_token&refresh_token=' . $token->refresh_token;
        //转成对象
        $access_token = json_decode(file_get_contents($access_token_url));
        if (isset($access_token->errcode)) {
            return false;
        }
        $user_info_url = 'https://api.weixin.qq.com/sns/userinfo?access_token=' . $access_token->access_token . '&openid=' . $access_token->openid . '&lang=zh_CN';
        //转成对象
        $user_info = json_decode(file_get_contents($user_info_url));
        if (isset($user_info->errcode)) {
            return false;
        }
        //var_dump($user_info);die;
        $result = json_decode(json_encode($user_info), true);//返回的json数组转换成array数组
        //var_dump($result);die;
        return $result;
    }