.ashx接收APPCAN发送过来的图片数据流，保存为图片

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.IO;
using System.Drawing;
using System.Web.SessionState;
namespace BlankOrder
{
    /// <summary>
    /// ImageHandler 的摘要说明
    /// </summary>
    public class ImageHandler : IHttpHandler, IReadOnlySessionState
    {

        public void ProcessRequest(HttpContext context)
        {
            
            var httpRequest = System.Web.HttpContext.Current.Request;
            HttpFileCollection uploadFiles = httpRequest.Files;
            try
            {

                //int vals = context.Request.TotalBytes;
                //byte[] buffer = context.Request.BinaryRead(vals);
                string imgname = DateTime.Now.ToString("yyyyMMddhhmmss") + ".jpg";
                string filePath = "/img/userupphoto/" + imgname;
                if (context.Request.Files.Count > 0)
                {
            
                    int i;
                    for (i = 0; i < uploadFiles.Count; i++)
                    {
                        HttpPostedFile postedFile = uploadFiles[i];
                        Image img = new Bitmap(postedFile.InputStream);
                        img.Save(context.Server.MapPath(filePath));
                        img.Dispose();
                    }
                }
             

            }
            catch (Exception e)
            {
               
            }
           
        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
}