////// 下载文件//////下载文件地址
///下载后的存放地址
///用于显示的进度条
public void DownloadFile(string URL,string filename,System.Windows.Forms.ProgressBar prog)
{
try
{
System.Net.HttpWebRequestMyrq=(System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(URL);
System.Net.HttpWebResponsemyrp=(System.Net.HttpWebResponse)Myrq.GetResponse();
longtotalBytes=myrp.ContentLength;
if(prog!=null)
{
prog.Maximum=(int)totalBytes;
}
System.IO.Stream st=myrp.GetResponseStream();
System.IO.Stream so=new System.IO.FileStream(filename,System.IO.FileMode.Create);
long totalDownloadedByte=0;
byte[] by=new byte[1024];
int osize=st.Read(by,0, (int)by.Length);
while(osize>0)
{
totalDownloadedByte=osize+totalDownloadedByte;
System.Windows.Forms.Application.DoEvents();
so.Write(by,0,osize);
if(prog!=null)
{
prog.Value=(int)totalDownloadedByte;
}
osize=st.Read(by,0, (int)by.Length);
}
so.Close();
st.Close();
}
catch(System.Exception)
{
throw;
}
}
