万分着急!!! :如何将 url(http,hfp开头的) 所指定的单个文件下载到本地计算机? System.Net.WebClient w = new System.Net.WebClient();w.DownloadFile("http://www.sina.com.cn/test.zip","C:\\test.zip");两个参数,前一个是Url,后一个是下载后的文件名 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 //use sock connect to the host:80 //如 http://www.csdn.com/1.htm//send thisstring GetOf = "/1.htm";string HostOf = "www.csdn.com";string sendStr = "" + "GET " + GetOf + " HTTP/1.1" + "\r\n" + "Host: " + HostOf + "\r\n" + "Accept: */*" + "\r\n" + "Referer: " + HostOf + "\r\n" + "User-Agent: Mozilla/4.0 (compatible; MSIE 5.00; Windows 98)" + "\r\n" + "Connection: Close\r\n\r\n";//use sock send sendStr to host:80 //然后就可以 Receive the file body add command on my exampleRange: bytes=xxx //use this u can 断点续传 timmy3310(Tim) 的方法不错,多学了一招哩 还有问题:怎么得到url包含文件的原文件名称?我下到本地,只改变路径,不能改变原来的文件名称,怎么办?着急!!!!!! fileStream = new FileStream(filePath + fileName, FileMode.Create, FileAccess.Write);HttpWebRequest req = (HttpWebRequest)WebRequest.Create(downLoadURL); resp = (HttpWebResponse)req.GetResponse(); respStream = resp.GetResponseStream();int len = 8192;byte[] buf = new byte[len];int n;while((n = respStream.Read(buf, 0, len)) > 0) { fileStream.Write(buf, 0, n); }fileStream.Flush();fileStream.Close(); 还有问题:怎么得到url包含文件的原文件名称?我下到本地,只改变路径,不能改变原来的文件名称,怎么办?着急!!!!!! 谢谢大家。问题已经解决。我经理解决的。 方案是: //要将url里的单个文件下到本地,编程得到url所包含的单个文件的文件名称 HttpWebRequest req = (HttpWebRequest)WebRequest.Create(URL_Str); req.AllowAutoRedirect=true; HttpWebResponse resp = (HttpWebResponse)req.GetResponse(); FileName= GetFileNameFromHeadStr( resp.Headers.GetValues( "Content-Disposition " )[0]) ; // private string GetFileNameFromHeadStr(string HeadStr ) { HeadStr=HeadStr.ToLower(); int theIndex=HeadStr.IndexOf( "filename= "); if(theIndex <1) { return " "; } theIndex+=9; return HeadStr.Substring(theIndex,HeadStr.Length-theIndex); } 有关Linq的问题 如何用c#代码控制切换windows窗体 如何用C# 写 activeX 插件 关于Listview中几个功能的实现,请大家帮帮忙!!!! *****请问谁能提供<<c# xml 入门经典>>的情况****** 在线等~~急!关于ESC/POS的问题~ DataSet项目合并问题 我想让页面输出两例的数据~~ C#中LISTVIEW返回数据不对头? 哪位大虾给一个C#最新版的下载地址? 请高人帮我分析一下这些编码该如何解码?(POP3) 哭了!万分着急!:要将url里的单个文件下到本地,如何编程得到url所包含的单个文件的文件名称?
string HostOf = "www.csdn.com";string sendStr = "" +
"GET " + GetOf + " HTTP/1.1" + "\r\n" +
"Host: " + HostOf + "\r\n" +
"Accept: */*" + "\r\n" +
"Referer: " + HostOf + "\r\n" +
"User-Agent: Mozilla/4.0 (compatible; MSIE 5.00; Windows 98)" + "\r\n" +
"Connection: Close\r\n\r\n";//use sock send sendStr to host:80
//然后就可以 Receive the file body
我下到本地,只改变路径,不能改变原来的文件名称,怎么办?着急!!!!!!
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(downLoadURL);
resp = (HttpWebResponse)req.GetResponse();
respStream = resp.GetResponseStream();
int len = 8192;
byte[] buf = new byte[len];
int n;
while((n = respStream.Read(buf, 0, len)) > 0)
{
fileStream.Write(buf, 0, n);
}
fileStream.Flush();
fileStream.Close();
我下到本地,只改变路径,不能改变原来的文件名称,怎么办?着急!!!!!!
方案是:
//要将url里的单个文件下到本地,编程得到url所包含的单个文件的文件名称
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(URL_Str);
req.AllowAutoRedirect=true;
HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
FileName=
GetFileNameFromHeadStr( resp.Headers.GetValues( "Content-Disposition " )[0]) ;
//
private string GetFileNameFromHeadStr(string HeadStr )
{
HeadStr=HeadStr.ToLower();
int theIndex=HeadStr.IndexOf( "filename= ");
if(theIndex <1)
{
return " ";
}
theIndex+=9;
return HeadStr.Substring(theIndex,HeadStr.Length-theIndex);
}