public IActionResult Del(string sBlogID)
        {
            BlogEntity m = null;

            if (!string.IsNullOrEmpty(sBlogID))
            {
                m = blogDAL.GetBlogByID(sBlogID);
                if (m != null)
                {
                    bool b = blogDAL.DeleteBlogByID(sBlogID);
                    if (b)
                    {
                        bool ba = blogCommentDAL.DeleteBlogCommentByBlogID(sBlogID);
                        if (ba)
                        {
                            return(Content("删除成功!"));
                        }
                        else
                        {
                            return(Content("删除失败,请联系管理员!"));
                        }
                    }
                    else
                    {
                        return(Content("删除失败,请联系管理员!"));
                    }
                }
            }
            return(null);
        }