ASP.NET 文件上传

        //获取由客户端指定的上传文件的访问
        HttpPostedFile upFile = FileUpload1.PostedFile;
        //得到上传文件的长度
        int upFileLength = upFile.ContentLength;
        //得到上传文件的客户端MIME类型
        string contentType = upFile.ContentType;
        byte[] FileArray = new Byte[upFileLength];
        Stream fileStream = upFile.InputStream;
        fileStream.Read(FileArray, 0, upFileLength);

        Stream stre= new FileStream("E://ss.jpg",FileMode.Create);//流 写入,保存到服务器端
        stre.Write(FileArray,0,FileArray.Length);
        stre.Flush();
        stre.Close();