public JsonResponse ChangeCategoryName([FromBody] ChangeCategoryNameDto dto)
        {
            //判断用户是否登录
            if (!TokenHelper.CheckLoginStateByUserId(dto.UserId))
            {
                return(BadResponse("用户未登录", null, false));
            }
            //获取更改者信息
            var userModel = UserInfoBll.GetModelById(dto.UserId);

            if (userModel == null)
            {
                return(BadResponse("用户信息出错,请重试!"));
            }
            //查询使用人数
            var categoryModel = AccountCategoryBll.GetModelByName(dto.OldName);

            if (categoryModel == null)
            {
                //此时代表数据库出问题了,应作出处理-----------------------------------------------------------------
                return(BadResponse("分类信息出错,请重试!"));
            }
            //若使用人数为1则直接更新名字
            if (categoryModel.UserNum <= 1)
            {
                categoryModel.Name = dto.NewName;
                if (!AccountCategoryBll.Update(categoryModel))
                {
                    return(BadResponse("网络错误,请重试!"));
                }
            }
            //若有他人使用则新建一条,原条目使用人数-1,将UserInfo中的Category字段更换为新Id
            else
            {
                categoryModel.UserNum--;
                if (!AccountCategoryBll.Update(categoryModel))
                {
                    return(BadResponse("网络错误,请重试!"));
                }
                categoryModel = new AccountCategory
                {
                    Name         = dto.NewName,
                    CreateUserId = dto.UserId
                };
                if (!AccountCategoryBll.Insert(categoryModel))
                {
                    return(BadResponse("网络错误,请重试!"));
                }
            }
            userModel.Category = userModel.Category.Replace(dto.OldName, dto.NewName);
            if (!UserInfoBll.Update(userModel))
            {
                return(BadResponse("网络错误,请重试!"));
            }
            return(OkResponse(null, "修改成功!"));
        }
        public JsonResponse AddCategory([FromBody] AccountCategoryDto dto)
        {
            //判断用户是否登录
            if (!TokenHelper.CheckLoginStateByUserId(dto.UserId))
            {
                return(BadResponse("用户未登录", null, false));
            }
            //查询有没有
            var model = AccountCategoryBll.GetModelByName(dto.Name);

            //有的话则UserNum+1
            if (model != null)
            {
                model.UserNum = model.UserNum + 1;
                if (!AccountCategoryBll.Update(model))
                {
                    return(BadResponse("网络错误,请重试!"));
                }
            }
            //没有则添加
            else
            {
                model = new AccountCategory
                {
                    Name         = dto.Name,
                    CreateUserId = dto.UserId
                };
                if (!AccountCategoryBll.Insert(model))
                {
                    return(BadResponse("网络错误,请重试!"));
                }
            }
            //将Category的Id添加到UserInfo的Category字段中
            model = AccountCategoryBll.GetModelByName(dto.Name);
            var user = UserInfoBll.GetModelById(dto.UserId);

            if (user == null)
            {
                return(BadResponse("用户信息出错,请重试!"));
            }
            user.Category += (model.Name + ",");
            if (!UserInfoBll.Update(user))
            {
                return(BadResponse("网络错误,请重试!"));
            }
            return(OkResponse(null, "添加成功!"));
        }
        public JsonResponse ChangeCategoryShow([FromBody] ChangeCategoryShowDto dto)
        {
            //判断用户是否登录
            if (!TokenHelper.CheckLoginStateByUserId(dto.UserId))
            {
                return(BadResponse("用户未登录", null, false));
            }
            //将所有dto.ShowName的IsShow改为true
            //将所有dto.HideName的IsShow改为false
            //dto.ShowName->"'1','2'"
            var sql = "update AccountCategory set IsShow = 1 where Name in(" + dto.ShowName + ");update AccountCategory set IsShow = 0 where UserId in(" + dto.HideName + ")";

            if (!AccountCategoryBll.ExecuteSql(sql))
            {
                return(BadResponse("网络错误,请重试!"));
            }
            return(OkResponse(null, "修改成功!"));
        }
        public JsonResponse DeleteUserCategory([FromBody] AccountCategoryDto dto)
        {
            //判断用户是否登录
            if (!TokenHelper.CheckLoginStateByUserId(dto.UserId))
            {
                return(BadResponse("用户未登录", null, false));
            }
            //查询该类别的Id
            var categoryModel = AccountCategoryBll.GetModelByName(dto.Name);
            //从UserInfo中的Category字段里删除该类别
            var userModel = UserInfoBll.GetModelById(dto.UserId);

            if (userModel == null)
            {
                return(BadResponse("用户信息出错,请重试!"));
            }
            userModel.Category = userModel.Category.Replace((categoryModel.Name + ","), "");
            if (!UserInfoBll.Update(userModel))
            {
                return(BadResponse("网络错误,请重试!"));
            }
            if (categoryModel == null)
            {
                //此时代表数据库出问题了,应作出处理-----------------------------------------------------------------
                return(OkResponse(null, "删除成功!"));
            }
            //类别表中该类别使用数-1,若使用数为0则删除该类别
            if (categoryModel.UserNum == 1)
            {
                AccountCategoryBll.ExecuteSql("delete from AccountCategory where Name='" + categoryModel.Name + "'");
            }
            else
            {
                categoryModel.UserNum--;
                if (AccountCategoryBll.Update(categoryModel))
                {
                    return(BadResponse("网络错误,请重试!"));
                }
            }

            return(OkResponse(null, "删除成功!"));
        }