下载HTTP文件

/// <summary> /// 下载文件 /// </summary> /// <param name="URL">下载文件地址</param> /// <param name="Filename">下载后另存为（全路径）</param> private static bool DownloadFile(string URL, string filename, ref string msg) { try { System.Net.HttpWebRequest Myrq = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(URL); System.Net.HttpWebResponse myrp = (System.Net.HttpWebResponse)Myrq.GetResponse(); System.IO.Stream st = myrp.GetResponseStream(); System.IO.Stream so = new System.IO.FileStream(filename, System.IO.FileMode.Create); byte[] by = new byte[1024]; int osize = st.Read(by, 0, (int)by.Length); while (osize > 0) { so.Write(by, 0, osize); osize = st.Read(by, 0, (int)by.Length); } so.Close(); st.Close(); myrp.Close(); Myrq.Abort(); return true; } catch (System.Exception e) { msg = e.Message; return false; } }