摘要：
// 更新日期:2009-10-10using System;using System.Drawing;using System.Drawing.Drawing2D;using System.Collections;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;using System.ComponentModel;using System.Text;using System.Collections.Generic;using System.Web.Security;using System.IO;na 阅读全文