网游登陆账号的密保卡

验证卡片

验证登陆界面

请大家先看一下效果，这个是我最初做的，大家有兴趣的话可以延伸一下功能，做成像网易密保卡一样自动生成，
不知道大家玩过征途没有，游戏登陆的时候需要进行一下验证
那个验证程序我一直想做，但这段忙抽不出时间，有做出来的朋友可否共享一下
以下是参考图


生成验证码的页面.cs文件中的代码

 

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.Drawing;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        //this.CreateCheckCodeImage(GenerateCheckCode());
        yanzheng();
        this.image(Label1.Text);
    }
    //通过二维数组产生验证码
    public void yanzheng()
    {
        char[] col_arr ={ 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I' };
        char[] row_arr ={ 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K' };
        string[,] myArray;      // 创建数组
        myArray = new string[,] {  {"17","19","T1","53","V8","16","H2","K3","Q1"}, 
                                   {"U6","36","R7","5S","34","T2","V6","3X","56"},
                                   {"A5","J3","D9","2F","K4","G7","5C","I4","15"},
                                   {"49","P7","R9","89","C4","7F","T3","X5","V1"},
                                   {"V2","1C","63","8G","7M","M9","7V","K6","P2"},
                                   {"45","6P","R8","4J","J5","99","J3","6H","J1"},
                                   {"59","S9","A4","55","9M","H1","6N","88","6L"},
                                   {"7A","A9","L5","R2","19","A6","L4","T6","72"},
                                   {"14","3D","7Z","81","J6","6C","9J","5Z","M9"},
                                   {"K7","5J","4M","5P","27","R1","A7","86","6M"},
                                   {"K8","46","7X","77","9D","2D","9K","12","78"}};
        try
        {

            Random rdm = new Random();       // 实例化一个生成器
            int index = rdm.Next(0, 9);//列的索引
            int index1 = rdm.Next(0, 11);//行的索引
            Session["lie"] = row_arr[index1];
            Session["hang"] = col_arr[index];
            Session["yzm"] = myArray[index1, index];
            for (int i = 0; i < 11; i++)
            {
                for (int j = 0; j < 9; j++)
                {
                    Response.Write(myArray[i, j] + ",");
                }
                Response.Write("<br>");
            }
            Label1.Text = Session["lie"].ToString();
            Label1.Text += Session["hang"].ToString();      //给显示验证码的label赋值             
            Response.Write(Session["yzm"].ToString());//测试产生的结果
            //Session["zong"] = Label1.Text.ToString();
        }
        catch (Exception ex)
        {
            Response.Write(ex.Message);
        }
    }

    private void image(string neirong)
    {
        if (neirong == null || neirong.Trim() == String.Empty)
        return;
        System.Drawing.Bitmap image = new System.Drawing.Bitmap((int)Math.Ceiling((neirong.Length * 30.5)), 35);
        Graphics g = Graphics.FromImage(image);
        try
        {
            //生成随机生成器
            Random random = new Random();
            //清空图片背景色
            g.Clear(Color.White);
            //画图片的背景噪音线
            for (int i = 0; i < 25; i++)
            {
                int x1 = random.Next(image.Width);
                int x2 = random.Next(image.Width);
                int y1 = random.Next(image.Height);
                int y2 = random.Next(image.Height);
                g.DrawLine(new Pen(Color.Silver), x1, y1, x2, y2);
            }
            Font font = new System.Drawing.Font("Arial", 20, (System.Drawing.FontStyle.Bold | System.Drawing.FontStyle.Italic));
            System.Drawing.Drawing2D.LinearGradientBrush brush = new System.Drawing.Drawing2D.LinearGradientBrush(new Rectangle(0, 0, image.Width, image.Height), Color.Blue, Color.DarkRed, 1.2f, true);
            g.DrawString(neirong, font, brush, 2, 2);

            //画图片的前景噪音点
            for (int i = 0; i < 100; i++)
            {
                int x = random.Next(image.Width);
                int y = random.Next(image.Height);
                image.SetPixel(x, y, Color.FromArgb(random.Next()));
            }
            //画图片的边框线
            g.DrawRectangle(new Pen(Color.Silver), 0, 0, image.Width - 1, image.Height - 1);
            System.IO.MemoryStream ms = new System.IO.MemoryStream();
            image.Save(ms, System.Drawing.Imaging.ImageFormat.Gif);
            Response.ClearContent();
            Response.ContentType = "image/Gif";
            Response.BinaryWrite(ms.ToArray());
        }
        finally
        {
            g.Dispose();
            image.Dispose();
        }
    }
}

登陆页面.cs文件中的代码

 

using System;
using System.Data;
using System.Configuration;
using System.Collections;
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;

public partial class login : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
           
        }
        if (TextBox1.Text != "" || TextBox1.Text != null)
        {
            DelSQLStr(TextBox3.Text.Trim().ToString());
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        if (TextBox1.Text != "" || TextBox1.Text != null)
        {
            if (string.Equals(Session["yzm"].ToString(), this.TextBox1.Text))
            {
                Response.Write("登陆正确！");
            }
            else
            {
                Response.Write("登陆不正确！");
            }
        }
        else
        {
            Response.Write("请输入验证码");
        }
    }