Plugins/RndPic.aspx.cs

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using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Drawing.Drawing2D;
using EKETEAM.FrameWork;


namespace eFrameWork.Plugins
{
    public partial class RndPic : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            string type = eParameters.QueryString("type").ToLower();
            if (type.Length == 0) type = "png";

            string checkCode = eBase.getRnd(4);// CreateRandomCode(4);

            if (type == "gif")
            {
                CreateGif(checkCode);
            }
            else
            {
                CreateImage(checkCode);
            }
        }
        private void CreateGif(string checkCode)
        {
            
            Validate GifValidate = new Validate();

            #region 对验证码进行设置(不进行设置时,将以默认值生成)
            //验证码位数，不小于4位
            GifValidate.ValidateCodeCount = 4;
            //验证码字体型号(默认13)
            GifValidate.ValidateCodeSize = 16;
            //验证码图片高度,高度越大,字符的上下偏移量就越明显
            GifValidate.ImageHeight = 25;
            //验证码字符及线条颜色(需要参考颜色类)

            //GifValidate.DrawColor = Color.FromArgb(255, 0, 0);// System.Drawing.Color.BlueViolet;

            Color fcolor = Color.FromArgb(153, 0, 0);
            if (Request.QueryString["color"] != null) fcolor = (Color)ColorTranslator.FromHtml("#" + Request.QueryString["color"].ToString().ToUpper());
            GifValidate.DrawColor = fcolor;
            Color bcolor = Color.FromArgb(255, 255, 255);
            if (Request.QueryString["bgcolor"] != null)
            {
                bcolor= (Color)ColorTranslator.FromHtml("#" + Request.QueryString["bgcolor"].ToString().ToUpper());
                GifValidate.backColor = bcolor; 
            }  
            
            //验证码字体(需要填写服务器安装的字体)
            GifValidate.ValidateCodeFont = "Arial";