using?System;
using?System.Data;
using?System.Configuration;
using?System.Web;
using?System.Web.Security;
using?System.Web.UI;
using?System.Web.UI.WebControls;
using?System.Web.UI.WebControls.WebParts;
using?System.Web.UI.HtmlControls;
using?System.IO;

public?partial?class?_Default?:?System.Web.UI.Page
{
????public?string?loopId;
????public?string?str;
????protected?void?Page_Load（object?sender?EventArgs?e）
????{

????????string?rd?=?DateTime.Now.Ticks.ToString（）;
????????str?=?“imgFile/1.jpg?rd=“?+?rd?+?“|imgFile/2.jpg?rd=“?+?rd?+?“|imgFile/3.jpg?rd=“?+?rd?+?“|imgFile/4.jpg?rd=“?+?rd?+?““;
????????string?path?=?Server.MapPath（“./“）?+?“imgFile/LoopId.txt“;
????????loopId?=?File.ReadAllText（path）;
????????loopId?=?loopId.Replace（‘‘?‘|‘）;

????}
}