C# 根据url获取文件流流

ww，pw

于 2022-01-08 11:39:46 发布

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分类专栏：文件流文章标签： c# 文件流

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本文链接：https://blog.youkuaiyun.com/hhzzmm123456/article/details/122377995

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	/// <summary>
	/// 根据url获取流
	/// </summary>
	/// <param name="url">路径</param>
	public static MemoryStream GetImage(string url)
	{
		HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
		request.Method = "GET";
		WebResponse response = request.GetResponse();
		var img = Image.FromStream(response.GetResponseStream());
		MemoryStream memoryStream = new MemoryStream();
		img.Save(memoryStream, ImageFormat.Png);
		memoryStream.Seek(0, SeekOrigin.Begin);
		return memoryStream;
	}

	/// <summary>
	/// http下载文件
	/// </summary>
	/// <param name="url">下载文件地址</param>
	/// <returns></returns>
	public static Stream HttpDownload(string url)
	{
		using (var client = new WebClient())
		{
			string tempFile = Path.GetTempFileName();
			client.DownloadFile(url, tempFile);//下载临时文件
			Console.WriteLine("Using " + tempFile);
			return FileToStream(temp