Common工具类的验证码类的使用（未实现验证）

时间：2022-09-02 15:57:20

验证码接收

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using CZBK.ItcastProject.Common;

namespace CZBK.ItcastProject.WebApp._2015_5_29

{

    /// <summary>

    /// ValidateImageCode 的摘要说明

    /// </summary>

    public class ValidateImageCode : IHttpHandler

    {

        public void ProcessRequest(HttpContext context)

        {

            context.Response.ContentType = "text/plain";

            ValidateCode validatecode = new ValidateCode();

            string code= validatecode.CreateValidateCode();

            validatecode.CreateValidateGraphic(code, context);

        }

        public bool IsReusable

        {

            get

            {

                return false;

            }

        }

    }

}

登录页面（实现验证码点击替换）

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

    <title></title>

    <script type="text/javascript">

        window.onload = function () {

            var validateCode = document.getElementById("validateCode");

            validateCode.onclick = function () {

                document.getElementById("imgCode").src = "ValidateImageCode.ashx?d=" + new Date().getMilliseconds();

            }

        }

    </script>

</head>

<body>

    <form method="post" action="UserLogin.ashx">

        用户名:<input type="text" name="txtName" /><br />

        密码:<input type="password" name="txtPwd" /><br />

        验证码:<input type="text" name="txtCode" /><img src="ValidateImageCode.ashx" id="imgCode" />

        <a href="javascript:void(0)" id="validateCode">看不清</a><br />

        <input type="submit" value="登录" />

    </form>

</body>

</html>

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