小程序授权登录并获取手机号

记录：小程序授权登录并获取手机号

PHP代码：

 public function __construct(){$site = Config::get("site");$WX_AppID = $site['WX_AppID'];$WX_AppSecret = $site['WX_AppSecret'];$this->appid = $WX_AppID;$this->secret = $WX_AppSecret;parent::__construct();}/*** 小程序登录** @ApiMethod (POST)* @param string $code     Code码*/public function wxlogin(){$code = $this->request->post('code');if (!$code) {$this->error('code不能为空');}$nick_name = $this->request->post('nick_name/s','','trim');$avatar = $this->request->post('avatar/s','','trim');$gender = $this->request->post('gender/d','','trim');$city = $this->request->post('city/s','','trim');$province = $this->request->post('province/s','','trim');$country = $this->request->post('country/s','','trim');$share_id = $this->request->post('share_id/d',0);// 获取小程序配配置，获取openid 跟 session_key$wxData = $this->getOpenid($code);if($wxData['status'] == 'error'){$this->error($wxData['msg']);}$openid = $wxData['data']['openid'];$sessionKey = $wxData['data']['session_key'];$unionid = $wxData['data']['unionid'];//检测上级$pid = 0;$parentids = '';if($share_id){$parentUser = model('user')->field('id,parentids')->find($share_id);if($parentUser){$pid = $parentUser['id'];if($parentUser['parentids']){$parentids = $parentUser['parentids'].','.$pid;}else{$parentids = $pid;}                }}$userinfo = \app\admin\model\User::where(['openid' => $openid])->find();if ($userinfo) {$userinfo->nickname = $nick_name;$userinfo->avatar = $avatar;$userinfo->gender = $gender;$userinfo->city = $city;$userinfo->province = $province;$userinfo->country = $country;$userinfo->unionid = $unionid;$userinfo->save();$this->auth->direct($userinfo['id']);} else {//生成邀请码$invite_code = $this->callcheckstr();$user = new \app\admin\model\User();$user->data(['nickname' => $nick_name,'avatar' => $avatar,'gender' => $gender,'city' => $city,'province' => $province,'country' => $country,'status' => 'normal','openid' => $openid,'unionid' => $unionid,'invite_code'=>$invite_code,'pid'=>$pid,'parentids'=>$parentids,'group_id'=>1,]);$user->save();$this->auth->direct($user->id);}$this->success('登录成功', $this->auth->getUserinfo());}/*** 小程序授权获取手机号*/public function wxGetPhone(){$iv = $this->request->post("iv", '', 'trim');$encryptedData = $this->request->post("encryptedData", '', 'trim');$code = $this->request->post('code');if (!$code) {$this->error('code不能为空');}// 获取小程序配配置，获取openid 跟 session_key$wxData = $this->getOpenid($code);if($wxData['status'] == 'error'){$this->error($wxData['msg']);}$sessionKey = $wxData['data']['session_key'];$datainfo = $this->auth->getUserinfo();if (!$iv || !$encryptedData) {$this->error('传参有误');}$errCode = self::decryptData($encryptedData, $iv, $data, $sessionKey, $this->appid);if ($errCode == 0) {$result = json_decode($data, true);if (isset($result['phoneNumber'])) {$user = \app\admin\model\User::get($datainfo['id']);$user->mobile = $result['phoneNumber'];$user->save();$this->success('获取成功', $result);} else {$this->error('号码获取失败');}} else {$this->error('用户信息更新失败');}}/*** 获取小程序配配置* @param $code 用来交换获取openid 跟 session_key*/static function getOpenid($code){$url = sprintf('https://api.weixin.qq.com/sns/jscode2session?appid=%s&secret=%s&js_code=%s&grant_type=authorization_code', $this->appid, $this->secret, $code);$result = Http::get($url);$wxResult = json_decode($result, true);if (empty($wxResult)) {return ['status'=>'error','msg'=>'获取sessin_key及openID时异常'];}if (isset($wxResult['errcode']) && $wxResult['errcode'] != 0) {return ['status'=>'error','msg'=>$wxResult['errmsg']];}$item = ['openid' => $wxResult['openid'],'session_key' => $wxResult['session_key'],'unionid' => isset($wxResult['unionid']) ? $wxResult['unionid'] : '',];return ['status'=>'success','data'=>$item];}/*** 检验数据的真实性，并且获取解密后的明文.* @param $encryptedData string 加密的用户数据* @param $iv string 与用户数据一同返回的初始向量* @param $data string 解密后的原文** @return int 成功0，失败返回对应的错误码*/static function decryptData($encryptedData, $iv, &$data, $sessionKey, $appid){if (strlen($sessionKey) != 24) {return -41001;}$aesKey = base64_decode($sessionKey);if (strlen($iv) != 24) {return -41002;}$aesIV = base64_decode($iv);$aesCipher = base64_decode($encryptedData);$result = openssl_decrypt($aesCipher, "AES-128-CBC", $aesKey, 1, $aesIV);$dataObj = json_decode($result);if ($dataObj == NULL) {return -41003;}if ($dataObj->watermark->appid != $appid) {return -41003;}$data = $result;return 0;}

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