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  • asp.net 根据连接地址保存文件,图片

    第一种方式  下载图片,文件

    WebClient my = new WebClient();

    string url = "http://localhost:1015/resource/loading.gif";
    string url2 = HttpContext.Current.Request.MapPath("~\resource\root\" + DateTime.Now.ToString("yyyyMMddHHmmssfff")) + url.Substring(url.IndexOf("."), url.Length - url.IndexOf("."));
    my.DownloadFile(url, url2 );

    第二种方式  下载图片,文件

    string path = System.Windows.Forms.Application.StartupPath+"\1.jpg";//下载到的地址+文件名

    // 设置参数
    HttpWebRequest request = WebRequest.Create("http://XXXX:8080/resource/root/服务券/生日礼/10月/twg160922_392x120.jpg") 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();

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  • 原文地址:https://www.cnblogs.com/zengwangjing/p/7649904.html
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