/// <summary>
/// 文件下载
/// </summary>
/// <param name="downUrl">下载地址</param>
/// <param name="downFile">要下载的文件</param>
/// <returns></returns>
public static bool DownFile(string downUrl, string downFile)
{
long fileLength = 0;
WebRequest webReq = WebRequest.Create(downUrl);
WebResponse webRes = webReq.GetResponse();
fileLength = webRes.ContentLength;
try
{
Stream srm = webRes.GetResponseStream();
StreamReader srmReader = new StreamReader(srm);
byte[] bufferbyte = new byte[fileLength];
int allByte = (int)bufferbyte.Length;
int startByte = 0;
while (fileLength > 0)
{
int downByte = srm.Read(bufferbyte, startByte, allByte);
if (downByte == 0)
{
break;
}
startByte += downByte;
fileLength -= downByte;
}
SysFile2.CreateDirtory(downFile);
FileStream fs = new FileStream(downFile, FileMode.Create, FileAccess.Write);
fs.Write(bufferbyte, 0, startByte);
srm.Close();
srmReader.Close();
fs.Close();
return(true);
}
catch
{
return(false);
}
}