imagepage.aspx.cs

如果不使用IIS,请先运行 XSP.exe,待提示已侦听 8080端口后

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

public partial class CommPages_ImagePage : ImagePage 
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Response.Cache.SetCacheability(HttpCacheability.NoCache);

        string keycodes = "ABCEFGHKLMNPQRSTYZ123456789";

        Random r = new Random();

        string key = string.Empty;
        for (int i = 0; i < 5; i++)
        {
            key += keycodes.Substring(r.Next(keycodes.Length), 1);
        }

        DrawImage(5, key );
    }
}