/// <summary>
/// 博客之星（去几天之内的日志访问量最多的一个）
/// </summary>
/// <param name="Length"></param>
/// <returns></returns>
public static IEnumerable<Weblog_User> GetTopUsersInAnyDay(int Length, int Days)
{
string ToDays = DateTime.Now.AddDays(-Days).ToString();
string Sqlstr = "SELECT top " + Length.ToString() + " * " +
" FROM [NCUHOME2006].[dbo].[Weblog_User]" +
" where User_Id in (select top 20 Log_UserId" +
" from dbo.Weblog_Log where Log_IsDraft=0 and Log_IsPasssword=0 and Log_IsVisible =1 and log_CreateTime <='" + DateTime.Now + "'" +
" and Log_CreateTime>'" + ToDays + "'" +
" group by Log_UserId" +
" order by sum(Log_ViewCount) desc) and User_TxzId<200000 ";
BlogDataDataContext BD = new BlogDataDataContext();
return BD.ExecuteQuery<Weblog_User>(Sqlstr, "");
}