.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;
}
}
}
}