WooYun.org

protected void GetPic_Btn_Click(object sender, EventArgs e)
	{
		...略
		for (int i = 0; i < array.Length; i++)
		{
			string text2 = array[i].ToLower().Replace(" ", "");
			if (string.IsNullOrEmpty(text2) || (!text2.Contains("http") && !text2.Contains("https")))
			{
				function.WriteErrMsg("错误:" + text2);
			}
			else
			{
				string text3 = str + this.RemoveChar(Plugins_WebUploader_RemoteImg.GetFNameFromUrl(text2), 1);
				
				/*这个时候text3为文件保存路径，文件名称为 url最后的文件名 例如 http://baidu.com/123.aspx 那么文件名称为123.aspx*/
				Plugins_WebUploader_RemoteImg.DownloadFile(text3, text2, 0, "temp");
				text = text + text3 + "|";
			}
		}
		略...
	}

public static void DownloadFile(string vpath, string url, int begin = 0, string flag = "temp")
{
	string path = function.VToP(vpath);
	int num = 0;
	string value = "0";
	if (File.Exists(path))
	{
		SafeC.DelFile(function.PToV(vpath));
	}
	string directoryName = Path.GetDirectoryName(path);
	if (!Directory.Exists(directoryName))
	{
		Directory.CreateDirectory(directoryName);
	}
	FileStream fileStream = new FileStream(path, FileMode.Create);
	try
	{
		HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(url);/*创建web请求*/
		HttpWebResponse httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();/*获取响应结果*/
		long contentLength = httpWebResponse.ContentLength;/*获取响应数据长度*/
		long num2 = contentLength / 100L;
		Stream responseStream = httpWebResponse.GetResponseStream();
		byte[] buffer = new byte[1024];
		int num3;
		while ((num3 = responseStream.Read(buffer, 0, 1024)) > 0)/*循环读取流中的数据*/
		{
			fileStream.Write(buffer, 0, num3);/*写入数据*/
			num += num3;
			if (!((long)num / num2).ToString().Equals(value))
			{
				value = ((long)num / num2).ToString();
			}
		}
		responseStream.Close();
	}
	catch (Exception ex)
	{
		throw new Exception(ex.Message);
	}
	finally
	{
		fileStream.Close();
	}
}