/// <summary>
/// 下载http文件
/// </summary>
/// <param name="url">要访问的url</param>
/// <param name="path">保存本地路径</param>
/// <returns></returns>
public string HttpDownloadFile(string url, string path)
{
try
{
// 设置参数
HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
//发送请求并获取相应回应数据
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
//直到request.GetResponse()程序才开始向目标网页发送Post请求
Stream responseStream = response.GetResponseStream();
//创建本地文件写入流
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;
}
catch (Exception ex)
{
return null;
}
}
C#下载http文件
最新推荐文章于 2024-08-27 15:02:43 发布