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【CSharp】 HTTP下载文件

作者:伊菲 / 发布于2014/11/18/ 757


	/// <summary>
	/// Http下载文件
	/// </summary>
	public static string HttpDownloadFile(string url, string path)
	{
	 // 设置参数
	 HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;

	 //发送请求并获取相应回应数据
	 HttpWebResponse response = request.GetResponse() as HttpWebResponse;
	 //直到request.GetResponse()程序才开始向目标网页发送Post请求
	 Stream responseStream = response.GetResponseStream();

	 //创建本地文件写入流
	 Stream stream = new FileStream(path, FileMode.Create);

	 byte[] bArr = new byte[1024];
	 int size = responseStream.Read(bArr, 0, (int)bArr.Length);
	 while (size > 0)
	 {
	 stream.Write(bArr, 0, size);
	 size = responseStream.Read(bArr, 0, (int)bArr.Length);
	 }
	 stream.Close();
	 responseStream.Close();
	 return path;
	}

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