public function getQuestionDetail()
 {
     $request = Request::capture();
     $token = $request->input('token');
     $questionId = $request->input('questionId');
     $userId = AuthController::getUserIdByToken($token);
     if ($userId == null) {
         return Utility::response_format(Utility::RESPONSE_CODE_AUTH_ERROR, '', '认证失败');
     }
     if ($questionId == null) {
         return Utility::response_format(Utility::RESPONSE_CODE_Error, '', 'questionId不能为空');
     }
     $question = Question::select('id', 'title', 'content', 'publish_time', 'user_id')->where('id', $questionId)->first()->toArray();
     //        print_r($question);
     // 个人信息
     $userInfo = UserInfo::select('user_name', 'head_pic')->where('user_id', $question['user_id'])->first()->toArray();
     $question = array_merge($question, $userInfo);
     // 图片
     $picIds = QuestionPictures::select('pic_id')->where('question_id', $question['id'])->get()->toArray();
     $pics = Picture::whereIn('id', $picIds)->get()->toArray();
     $question = array_merge($question, ['image' => $pics]);
     //            print_r($question);
     // 标签
     $tagIds = QuestionTags::select('tag_id')->where('question_id', $question['id'])->get()->toArray();
     $tags = Tags::whereIn('id', $tagIds)->get()->toArray();
     $question = array_merge($question, ['tags' => $tags]);
     // 回答 时间倒序 前三条
     $answers = Answer::select('*')->where('question_id', $questionId)->orderBy('answer_time', 'desc')->paginate(3, '*', 'page', 1)->toArray();
     $result = array();
     foreach ($answers['data'] as $answer) {
         // 个人信息
         $userInfo = UserInfo::select('user_name', 'head_pic')->where('user_id', $answer['user_id'])->first()->toArray();
         $answer = array_merge($answer, $userInfo);
         // 回答的评论数
         $comments = Comment::select('*')->where('answer_id', $answer['id'])->get()->toArray();
         $answer = array_merge($answer, ['commentNumber' => count($comments)]);
         array_push($result, $answer);
     }
     $question = array_merge($question, ['answers' => $result]);
     // 回答 最热门 三条
     //        ....
     return Utility::response_format(Utility::RESPONSE_CODE_SUCCESS, $question, '请求成功');
 }