VaildImg.aspx.cs

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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;



    /// </summary>
    public partial class VaildImg : System.Web.UI.Page
    {
        protected void Page_Load(object sender, System.EventArgs e)
        {
            VaildImg v = new VaildImg();
            //长度
            v.Length = this.length;
            //字体大小
            v.FontSize = this.fontSize;

            v.Chaos = this.chaos;
            v.BackgroundColor = this.backgroundColor;
            v.ChaosColor = this.chaosColor;
            v.CodeSerial = this.codeSerial;
            v.Colors = this.colors;
            v.Fonts = this.fonts;
            v.Padding = this.padding;
            //取
            string code = v.CreateVerifyCode();                //取随机码


            v.CreateImageOnPage(code, this.Context);        // 输出图片

            Session["VaildCode"] = code.ToUpper();// 使用Cookies取验证码的值
            Response.End();
        }

        #region 验证码长度(默认5个验证码的长度)
        int length = 4;
        public int Length
        {
            get { return length; }
            set { length = value; }
        }
        #endregion

        #region 验证码字体大小(为了显示扭曲效果，默认40像素，可以自行修改)
        int fontSize = 14;
        public int FontSize
        {
            get { return fontSize; }
            set { fontSize = value; }
        }
        #endregion

        #region 边框补(默认1像素)