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博客园 - lei1217

(转)android 4.0 蓝牙服务开启流程分析 转:MTK分布式编译提高编译速度(IncredBuild) 使用.NET实现断点续传(转载) MTK 图层,详细讲解加案例(转载) 字符串颠倒 .net的RadioButtonList控件的脚本操作 socket编程原理 SQL2000 文件与文件组操作 [转载]SQL Server 2005对海量数据处理 HTTP参考 - 转载 HTTP协议详解 - 转载 ASPAJAXExtSetup 转载 Response.ContentType 的参数属性 标准文件读写操作 C语言文件操作 Web/Js 调色板 进制转换 计算机进制转换汇总 浮动广告
C#请求远程服务器的资源
lei1217 · 2008-12-25 · via 博客园 - lei1217

using System.IO;

1、获取远程服务器文件的大小
public static long GetRemoteHTTPFileSize(string sURL)
{
      long size = 0L;
      try
      {
           System.Net.HttpWebRequest request = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(sURL);
           request.Method = "HEAD";

           System.Net.HttpWebResponse response = (System.Net.HttpWebResponse)request.GetResponse();

            size = response.ContentLength;
             response.Close();
        }
        catch
        {
             size = 0L;
        }
        return size;
}

2、下载远程服务器的文件
public static void GetRemoteHTTPFileDown(string sURL)
{
      Stream content = null;
      try
      {
               System.Net.HttpWebRequest request = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(URL);
                request.Method = "GET";

                System.Net.HttpWebResponse response = (System.Net.HttpWebResponse)request.GetResponse();

                content = response.GetResponseStream();
                StreamReader sr = new StreamReader(content, System.Text.Encoding.Default);
                string str = sr.ReadToEnd();
                StreamWriter sw = new StreamWriter(Server.MapPath("~/1.txt"), false, System.Text.Encoding.Unicode);
                sw.Write(str);
                sw.Flush();
                sw.Close();
                sr.Close();
                response.Close();
        }
       catch
       { }
}