【文件属性】：
文件名称：带字母的验证码.rar
文件大小：2KB
文件格式：RAR
更新时间：2011-11-03 04:31:09
验证码
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
namespace SCard
{
///
/// 验证码生成器
///
public partial class ValidateCode : System.Web.UI.Page
{
protected void Page_Load(object sender, System.EventArgs e)
{
this.CreateCheckCodeImage(GenerateCheckCode());
}
private string GenerateCheckCode()
{
int number;
char code;
string checkCode = String.Empty;
System.Random random = new Random();
for(int i=0; i<5; i++)
{
number = random.Next();
//if(number % 2 == 0)
code = (char)('0' + (char)(number % 10));
//else
//code = (char)('a' + (char)(number % 26));
checkCode += code.ToString();
}
//Response.Cookies.Add(new HttpCookie("CheckCode", checkCode));
Session["CheckCode"]=checkCode;
return checkCode;
}
【文件预览】：
有字母的验证码
----ValidateCode.aspx(87B)
----ValidateCode.aspx.cs(4KB)
