C# HTTP下載文件

代碼：

/// <summary>/// Http下載文件/// </summary>public static string HttpDownloadFile(string url, string path){    // 設置參數    HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;    //發送請求并獲取相應回應數據    HttpWebResponse response = request.GetResponse() as HttpWebResponse;    //直到request.GetResponse()程序才開始向目標網頁發送Post請求    Stream responseStream = response.GetResponseStream();    //創建本地文件寫入流    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;}