C#实现HTTP下载文件的方法
本文实例讲述了C#实现HTTP下载文件" title="下载文件">下载文件的方法。分享给大家供大家参考。
主要实现代码如下:
/// <summary>/// Http下载文件
/// </summary>
public static string HttpDownloadFile(string url, string path)
{
// 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;
}
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