imagehandler.ashx

来自「《圣殿祭司的ASP.NET 2.0开发详解——使用C#》光盘内容.包含了书籍所含」· ASHX 代码 · 共 36 行

<%@ WebHandler Language="C#" Class="ImageHandler" %>

using System;
using System.Web;
using System.IO;
using System.Configuration;
using System.Resources;
using System.Drawing;
using System.Runtime.Serialization.Formatters.Binary;

public class ImageHandler : IHttpHandler 
{
    public void ProcessRequest(HttpContext context)
    {
        //读取资源文件中的图片
        Bitmap bmp = Resources.Resource.F4005;
        //创建MemoryStream
        MemoryStream ms = new MemoryStream();
        //将BitMap存入MemoryStream
        bmp.Save(ms,System.Drawing.Imaging.ImageFormat.Bmp);
        //新建二维的Byte数组
        byte[] buffer = new byte[ms.Length];
        ms.Seek(0, SeekOrigin.Begin);
        //将数据写入到buffer之中
        ms.Read(buffer, 0, (int)ms.Length);
        context.Response.OutputStream.Write(buffer, 0,buffer.Length);         
    }
 
    public bool IsReusable 
    {
        get 
        {
            return false;
        }
    }
}