HENGCHENG/DSWeb/Reports/FileExport.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.IO;
using DSWeb.EntityDA;

namespace DSWeb.Reports
{
    public partial class FileExport : System.Web.UI.Page
    {
        public string strUserID;//用户GID
        public string strCompanyID;//公司GID
        public string strShowName;//用户显示名
        public string strDeptName;//部门名称
        public string filename = "";
    

        protected void Page_Load(object sender, EventArgs e)
        {
            #region 基本信息
            if (Session["USERID"] != null)
            {
                strUserID = Session["USERID"].ToString().Trim();
            }
            if (Session["SHOWNAME"] != null)
            {
                strShowName = Session["SHOWNAME"].ToString();
            }
            if (Session["COMPANYID"] != null)
            {
                strCompanyID = Session["COMPANYID"].ToString();
            }
            if (Session["DEPTNAME"] != null)
            {
                strDeptName = Session["DEPTNAME"].ToString();
            }

            if (Request.QueryString["filename"] != null)
            {
                filename = Request.QueryString["filename"].ToString();
            }


            if (!IsPostBack)
            {
                FileExporthtml(filename);
                 Page.ClientScript.RegisterStartupScript(this.GetType(), "key1", "<script>window.close();</script>");
    
                //
            }
            #endregion
        }



        #region 
        protected void FileExporthtml(string filename)
        {

            FileStream fs = new FileStream(filename, FileMode.Open);
            byte[] data = new byte[fs.Length];
            fs.Read(data, 0, data.Length);
            fs.Close();
            MemoryStream ms = new MemoryStream(data);
            filename = Path.GetFileName(filename);
            RenderToBrowser(ms, Context, filename);

        }

        public static void RenderToBrowser(MemoryStream ms, HttpContext context, string fileName)
        {
            if (context.Request.Browser.Browser == "IE")
                fileName = HttpUtility.UrlEncode(fileName);
            context.Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");
            context.Response.AddHeader("Content-Disposition", "attachment;fileName=" + fileName);
            context.Response.ContentType = "application/txt";
            context.Response.BinaryWrite(ms.ToArray());
            context.Response.End();

        }

        #endregion
    }
}