#region 判断网络文件是否存在

//bool result = false;//下载结果

//string fileUrl = "http://localhost:7070/FileUpload/135112100.jpg";

//WebResponse response = null;

//try

//{

// WebRequest req = WebRequest.Create(fileUrl);

// response = req.GetResponse();

// result = response == null ? false : true;

//}

//catch (Exception ex)

//{

// result = false;

//}

//finally

//{

// if (response != null)

// {

// response.Close();

// }

//}

#endregion