///
/// 下載網絡圖片
///
/// 網絡地址
/// 本地保存路徑
public void DownloadImage(string url, string path)
{
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
req.ServicePoint.Expect100Continue = false;
req.Method = "GET";
req.KeepAlive = true;
req.ContentType = "image/*";
HttpWebResponse rsp = (HttpWebResponse)req.GetResponse();
System.IO.Stream stream = null;
try
{
// 以字符流的方式讀取HTTP響應
stream = rsp.GetResponseStream();
Image.FromStream(stream).Save(path);
}
finally
{
// 釋放資源
if (stream != null) stream.Close();
if (rsp != null) rsp.Close();
}
}