getMessage(),getFile,getLine获取异常用法

 try {
                    $param = $request->all();
                    $param['building_id'] = 0;
                    $param['sync'] = 2; // 1小程序2App
                    $param['user_id'] = $receiveUser->id ?? 0;
                    $follow = FollowTool::follow($param);
                    if ($follow['status'] != 200) {
                        empty($follow['msg']) ? $msg = "未知错误 follow" : $msg = $follow['msg'] . ' follow';
                        return response()->json(['status' => 404, 'msg' => $msg]);
                    }
                } catch (Exception $e) {
                    $msg = [
                        'file_path' => $e->getFile(),
                        'file_line' => $e->getLine(),
                        'message' => $e->getMessage() . ' follow',
                    ];
                    return response()->json(['status' => 404, 'msg' => '捕获异常错误', 'data' => $msg]);
                }