public JsonResult EditRegion(int regionId, string regionName) { if (string.IsNullOrWhiteSpace(regionName)) { throw new HimallException("区域名称不能为空"); } if (regionName.Length > 30) { throw new HimallException("区域名称30个字符以内"); } RegionApplication.EditRegion(regionName, regionId); return(Json(new Result() { success = true, msg = "修改成功!" })); }