uploadfile图片上传和ashx

uploadify.swf需要是支持中文

</script>

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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Web;

using System.Web.SessionState;
using UI;

namespace Admin.TkAdmin.Product
{
/// <summary>
/// imgsave 的摘要说明
/// </summary>
public class imgsave : IHttpHandler,IReadOnlySessionState
{
public HttpRequest Request;
public HttpResponse Response;
public HttpSessionState Session;
public void ProcessRequest(HttpContext context)
{

context.Response.ContentType = "text/plain";
Response = context.Response;
Request = context.Request;
Session = context.Session;

string upfile = Request["upfile"];
if (upfile != "")
{
//如果值为1zhi
if (upfile == "1")
{
uploadfile();
}
}

}

//对上传的图片进行保存到指定文件中
private void uploadfile()
{
HttpPostedFile file = Request.Files["Filedata"];
string UploadFile = "";
HttpContext.Current.Server.MapPath(@Request["folder"]);
string newFileName = "";
if (file != null)
{
Isfile(UploadFile);
try {
//创建随机种子
Random ra;
if (Session["IntIndexImg"] != null)
{
ra = new Random(Convert.ToInt32(Session["IntIndexImg"]));
}
else
{
ra = new Random();
}

int rInt = ra.Next(1000);

Session["IntIndexImg"] = rInt;

newFileName = DateTime.Now.ToString("yyyyMMddHHmmss") + "_" + rInt + Path.GetExtension(file.FileName).ToUpper();
string BigimageURL = (FileUrl.ProductBigImgUrl + newFileName).Replace(‘\\‘, ‘/‘);
Isfile(FileUrl.ProductBigImgUrl);
file.SaveAs(BigimageURL);
//保存缩列图
string SmallimgeURL = (FileUrl.ProductSmallImgUrl + newFileName).Replace(‘\\‘, ‘/‘);
Isfile(FileUrl.ProductSmallImgUrl);
CreateSmallPic.CreateImageOutput(120, 60, BigimageURL, SmallimgeURL);
Response.Write("1|@|" + FileUrl.ProductSmallImgUrl1 + newFileName);

}catch
{
Response.Write("0");
}
}
}

//用于创建目录
private void Isfile(string UploadFile)
{
if (!Directory.Exists(UploadFile))
{
Directory.CreateDirectory(UploadFile);
}

}

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