DtCms.Web.Tools.Http_ImgLoad.ashx.cs

using System;

using System.Web;

using DtCms.Common;

using System.IO;

  

namespace DtCms.Web.Tools

{

    /// <summary>

    /// 显示缩略图

    /// </summary>

    public class Http_ImgLoad : IHttpHandler

    {

  

        public void ProcessRequest(HttpContext context)

        {

            int strW;

            int strH;

            if (int.TryParse(context.Request.Params["w"], out strW) && int.TryParse(context.Request.Params["h"], out strH))

            {

                context.Response.Clear();

                string gurl = context.Request.Params["gurl"];

                if (!string.IsNullOrEmpty(gurl))

                {

                    if (File.Exists(context.Server.MapPath(gurl)))

                    {

                        LoadImage.GenThumbnail(context.Request.Params["gurl"], strW, strH);

                    }

                    else

                    {

                        LoadImage.GenThumbnail("/images/nopic.gif", strW, strH);

                    }

                }

                else

                {

                    LoadImage.GenThumbnail("/images/nopic.gif", strW, strH);

                }

            }

        }

  

        public bool IsReusable

        {

            get

            {

                return false;

            }

        }

    }

}