第三方控件验证码的使用

最新推荐文章于 2019-10-24 19:57:44 发布

原创最新推荐文章于 2019-10-24 19:57:44 发布 · 4.1k 阅读

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#button #textbox #server #asp #object #assembly

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后台代码：

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack )
        {
            SerialNumber1.Create();//创建新的验证码
        }

    }
    /// <summary>
    /// 判断输入是否正确
    /// </summary>
    /// <returns></returns>
    private bool checkCode()
    {
        if (SerialNumber1 .CheckSN (TextBox1 .Text .Trim ()))
        {
            return true;
        }
        else
        {
            SerialNumber1.Create();//创建新的验证码
            return false;
        }

    }
    /// <summary>
    /// 提交按钮
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void Button2_Click(object sender, EventArgs e)
    {
        if (checkCode ())
        {
            //string scriptString = "alert('验证成功!');window.location='vilidateSuccess.aspx'";
            //Page.ClientScript.RegisterClientScriptBlock(this .GetType (),scriptString ,scriptString ,true);
            Literal1.Text = "<script>alert('验证成功!');window.location='vilidateSuccess.aspx'</script>";
        }
        else
        {
            Label1.Text = "验证码不正确";
        }
    }
    /// <summary>
    /// 看不清按钮
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void Button1_Click(object sender, EventArgs e)
    {
        SerialNumber1.Create();//创建新的验证码
    }

页面代码：

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="SanFangKongJian.aspx.cs" Inherits="SanFangKongJian" %> <%@ Register Assembly="WebValidates" Namespace="WebValidates" TagPrefix="cc1" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>无标题页</title> </head> <body> <form id="form1" runat="server"> <div> <cc1:serialnumber id="SerialNumber1" runat="server"></cc1:serialnumber> <asp:Button ID="Button1" runat="server" Text="看不清" OnClick="Button1_Click" /> <br /> <br /> <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox><br /> <asp:Button ID="Button2" runat="server" OnClick="Button2_Click" Text="提交" /> <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label> <asp:Literal ID="Literal1" runat="server"></asp:Literal></div> </form> </body> </html>