lyfz_repos/铂金版源码/LYFZWZ/iNethinkCMS_SourceCode/iNethinkCMS.Web/UserCenter/DownloadFile.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace iNethinkCMS.Web.UserCenter
{
    public partial class DownloadFile : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                string SysLoginUserName = iNethinkCMS.Command.Command_Session.Get("admin_username");
                if (String.IsNullOrEmpty(SysLoginUserName))
                {
                    Response.Write("<font color='#ff0000'>对不起，需要登录后才能下载。</font>");
                }
                else
                {
                    int id = 0;
                    if (Request.QueryString["id"] != null && Request.QueryString["id"].ToString().Length > 1)
                    {
                        try
                        {
                            id = Convert.ToInt32(Request.QueryString["id"].ToString());
                        }
                        catch { }
                    }
                    if (Request.QueryString["File"] != null && Request.QueryString["File"].ToString().Length > 1)
                    {
                        string downloadFileName = Request.QueryString["File"].ToString();
                        if (downloadFileName.ToLower().StartsWith("http://") || downloadFileName.ToLower().StartsWith("https://"))
                        {
                            if (id > 0)
                            {
                                Response.Write("<iframe style=\"display:none;\" src=\"/plugs/count/count.aspx?id=" + id.ToString() + "\"></iframe>");
                            }
                            iNethinkCMS.Command.MessageBox.ResponseScript(this, "location.href='" + downloadFileName+ "'");
                           // Response.Write("<script type=\"text/javascript\"></script>");
                        }
                        else
                        {
                            try
                            {
                                string iframeSrc = "/upload/day_" + downloadFileName;
                                string downloadFilePath = Server.MapPath(iframeSrc);
                                if (!System.IO.File.Exists(downloadFilePath))
                                {
                                    iframeSrc = "/upload/" + downloadFileName;
                                    downloadFilePath = Server.MapPath(iframeSrc);
                                    if (!System.IO.File.Exists(downloadFilePath))
                                    {
                                        iframeSrc = "/" + downloadFileName;
                                        downloadFilePath = Server.MapPath(iframeSrc);
                                    }
                                }


                                if (System.IO.File.Exists(downloadFilePath))
                                {

                                    Response.Write("<iframe style=\"display:none;\" src=\"" + iframeSrc + "\"></iframe>");
                                    if (id > 0)
                                    {
                                        Response.Write("<iframe style=\"display:none;\" src=\"/plugs/count/count.aspx?id=" + id.ToString() + "\"></iframe>");
                                    }

                                }
                                else
                                {
                                    Response.Write("<font color='#ff0000'>请求下载的文件不存在或已被删除...</font>");
                                }
                            }
                            catch(Exception ex) {
                                Response.Write("<font color='#ff0000'>请求下载的文件路径不正确，"+ex.Message+"</font>");
                            }
                        }
                    }
                    else
                    {
                        Response.Write("<font color='#ff0000'>请求下载参数不正确。</font>");
                    }
                }
            }
            else {
                Response.Write("<font color='#ff0000'>请求已过期，请重新请求...</font>");
            }
        }
    }
}