/// <summary>修改用户昵称
/// </summary>
/// <param name="uId">用户Id</param>
/// <param name="userName">用户昵称</param>
/// <returns></returns>
public bool UpdateName(string uId, string userName)
{
if (string.IsNullOrEmpty(uId) || string.IsNullOrEmpty(userName))
return false;
UserDal userDal = new UserDal();
return userDal.UpdateName(uId, userName);
}/// <summary>修改用户头像
