/// <summary>
/// 查询当前用户七天前的聊天记录
/// </summary>
/// <param name="pageindex">当前页码</param>
/// <param name="pagesize">每页显示条数</param>
/// <param name="fromuserid">当前用户id</param>
/// <returns></returns>
public List <Messages> PageMessages(int pageindex, int pagesize, int fromuserid)
{
return(md.PageMessages(pageindex, pagesize, fromuserid));
}