Web/Client/img.aspx.cs
(完整代码) 1KBusing System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Drawing;
namespace MrZeng.Web.Client
{
public partial class img : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
MrZeng.BLL.Common bll = new MrZeng.BLL.Common();
string checkCode = bll.GetRandomCode(4);
Session["CheckCode"] = checkCode;
SetPageNoCache();
bll.CreateImage(checkCode);
}
/// <summary>
/// 设置页面不被缓存
/// </summary>
private void SetPageNoCache()
{
Response.Buffer = true;
Response.ExpiresAbsolute = System.DateTime.Now.AddSeconds(-1);
Response.Expires = 0;
Response.CacheControl = "no-cache";
Response.AppendHeader("Pragma", "No-Cache");
}
}
}
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