public IEnumerable <VMenu> GetUserMenu(int UserID)
{
string sql = @"select m.MenuID,MenuTitle,MenuUrl,ParentID,m.Style from Sys_Menu m
left join Sys_RoleMenu rm on m.MenuID = rm.MenuID
left join Sys_UserRole ur on rm.RoleID=ur.RoleID
left join Sys_UserInfo u on ur.UserID=u.UserID
where u.UserID=@UserID ";
return(_context.Query <VMenu>(sql, new { UserID = UserID }));
}