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(原创)vs2005下彩色验证码的实现(可自由定义是否加入干扰点、验证码位数等验证码显示效果)

2006-10-02 17:35 741 查看
一、效果如下:
using System;
using System.Web;
using System.IO;
using System.Drawing;

public class zhangming
<body>
<form id="form1" runat="server">
<div>

</div>
</form>
</body>

四、添加GetImageCode.aspx.cs后台代码

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;
using System.IO;
using System.Drawing;

public partial class Default4 : System.Web.UI.Page

五、验证码的使用(在Test.aspx页面加入<asp:Image id="Image1" runat="server" ImageUrl="~/GetVerifyCode.aspx"></asp:Image>)即实现验证码

<form id="form1" runat="server">
<div>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
   
<asp:Image id="Image1" runat="server" ImageUrl="GetImageCode.aspx"></asp:Image>
   
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click"
Text="Button" />
<br />
<asp:Label ID="Label1" runat="server"></asp:Label></div>
</form>
六、Test.aspx.cs后台代码

protected void Page_Load(object sender, EventArgs e)
protected void Button1_Click(object sender, EventArgs e)
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