如何获取下载链接中的文件名 请教:一个链接中,如何获得其真正的文件名?比如某些链接实际上是网页的链接,而一些链接是链接的下载文件。在做下载程序的时候,要如何才能判断出这个链接是链接的网页还是下载文件呢?又怎样才能得到他们的文件名?就像右键另存为时,文件名里自动出现其真正的文件名。谢谢! 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 <script language="javascript">function AddLink(Url,Info,Location,strCID,strStatUrl,strCookie){ if (Url != "") { if (Info == "") { Info = "unknown"; } var ThunderAgent = new ActiveXObject("ThunderAgent.Agent"); if (strCID != "") { if (strStatUrl != "") { ThunderAgent.AddTask5(Url, "", "", Info, Location, -1, 0, -1, strCookie, strCID, strStatUrl, 1, "", -1); } else { ThunderAgent.AddTask5(Url, "", "", Info, Location, -1, 0, -1, strCookie, strCID, "", 1, "", -1); } } else { ThunderAgent.AddTask5(Url, "", "", Info, Location,-1,0,-1,strCookie,"","", 1, "", -1); } ThunderAgent.CommitTasks2(1); }}function OnContextMenu(){ var srcEvent = external.menuArguments.event; var EventElement; if(typeof(srcEvent.clientX) == "undefined") { EventElement = external.menuArguments.document.elementFromPoint ( srcEvent.pointerX, srcEvent.pointerY ); } else { EventElement = external.menuArguments.document.elementFromPoint ( srcEvent.clientX, srcEvent.clientY ); } var strDownloadPage = external.menuArguments.location; var theDownloadPage = external.menuArguments.document.getElementById("thunder_down_pageurl"); if (theDownloadPage != null) { strDownloadPage = theDownloadPage.value; } var strStatPage = ""; var theStatPage = external.menuArguments.document.getElementById("thunder_stat_pageurl"); if (theStatPage != null) { strStatPage = theStatPage.value; } var strCID = "" var theCID = external.menuArguments.document.getElementById("thunder_cid"); if (theCID != null) { strCID = theCID.value; } var srcAnchor; if (srcEvent.type == "MenuExtAnchor") { srcAnchor = EventElement; do { srcAnchor=srcAnchor.parentElement; }while(typeof(srcAnchor)=="HTMLAnchorElement"); AddLink(srcAnchor.href,srcAnchor.innerText,strDownloadPage, strCID, strStatPage,external.menuArguments.document.cookie); } else if (srcEvent.type == "MenuExtImage") { if (typeof(EventElement) == "HTMLAreaElement") { AddLink(EventElement.href,EventElement.Alt,strDownloadPage, strCID, strStatPage,external.menuArguments.document.cookie); } else { var srcImage = EventElement; var srcAnchor = srcImage.parentElement; do { srcAnchor=srcAnchor.parentElement; if (typeof(srcAnchor) == "undefined") { AddLink(srcImage.href,srcImage.Alt,strDownloadPage, strCID, strStatPage,external.menuArguments.document.cookie); return; } }while(typeof(srcAnchor) == "HTMLAnchorElement"); AddLink(srcAnchor.href,srcImage.Alt,strDownloadPage, strCID, strStatPage); } } else if (srcEvent.type == "MenuExtUnknown") { srcAnchor = EventElement; if(srcAnchor != null && srcAnchor.tagName != null && srcAnchor.tagName.toLowerCase() == "a") { AddLink(srcAnchor.href,srcAnchor.innerText,strDownloadPage, strCID, strStatPage,external.menuArguments.document.cookie); } else { while(srcAnchor != null && srcAnchor.tagName != null && srcAnchor.tagName.toLowerCase() != "a") { srcAnchor = srcAnchor.parentElement; if(srcAnchor != null && srcAnchor.tagName != null && srcAnchor.tagName.toLowerCase() == "a") { AddLink(srcAnchor.href,srcAnchor.innerText,strDownloadPage, strCID, strStatPage,external.menuArguments.document.cookie); return; } } if(EventElement != null && EventElement.tagName != null) { AddLink(EventElement.href,EventElement.innerText,strDownloadPage, strCID, strStatPage,external.menuArguments.document.cookie); } else { alert("无法识别的超级链接信息"); } } } else { }}OnContextMenu();</script> 下载工具和ie差不多,还是要访问原来的连接,例如:http://xxx.sss/download.do?param=yyyy,人家服务器那边成功执行后,拿到下载的文件,文件名的话和楼上说的一样截出来 其实大部分像http://xxx.sss/download.do?param=yyyy这样的网址无所谓文件名的,你自己搞个规则就是了 vb #include数据库文件,页面空白 Excel中利用打开对话框打开另外的程序文 谢谢大家在开心网的投票支持,散分 一个处理文件的问题 求理解msdn上的一句话 对文本框作限制数字输入,但对控件数组没有办法呀,在线等待... 关于Dim 语句! vb及vc的顶级高手请进 程序就快要交了,发现了几个问题,紧急求助各路英雄! 我是初学者,请多多指教 sendmessage的消息类问题又要麻烦大家了 如何用vb做限制网速的开发?
function AddLink(Url,Info,Location,strCID,strStatUrl,strCookie)
{
if (Url != "")
{
if (Info == "")
{
Info = "unknown";
}
var ThunderAgent = new ActiveXObject("ThunderAgent.Agent");
if (strCID != "")
{
if (strStatUrl != "")
{
ThunderAgent.AddTask5(Url, "", "", Info, Location, -1, 0, -1, strCookie, strCID, strStatUrl, 1, "", -1);
}
else
{
ThunderAgent.AddTask5(Url, "", "", Info, Location, -1, 0, -1, strCookie, strCID, "", 1, "", -1);
}
}
else
{
ThunderAgent.AddTask5(Url, "", "", Info, Location,-1,0,-1,strCookie,"","", 1, "", -1);
}
ThunderAgent.CommitTasks2(1);
}
}function OnContextMenu()
{
var srcEvent = external.menuArguments.event;
var EventElement;
if(typeof(srcEvent.clientX) == "undefined")
{
EventElement = external.menuArguments.document.elementFromPoint ( srcEvent.pointerX, srcEvent.pointerY );
}
else
{
EventElement = external.menuArguments.document.elementFromPoint ( srcEvent.clientX, srcEvent.clientY );
}
var strDownloadPage = external.menuArguments.location;
var theDownloadPage = external.menuArguments.document.getElementById("thunder_down_pageurl");
if (theDownloadPage != null)
{
strDownloadPage = theDownloadPage.value;
}
var strStatPage = "";
var theStatPage = external.menuArguments.document.getElementById("thunder_stat_pageurl");
if (theStatPage != null)
{
strStatPage = theStatPage.value;
} var strCID = ""
var theCID = external.menuArguments.document.getElementById("thunder_cid");
if (theCID != null)
{
strCID = theCID.value;
}
var srcAnchor; if (srcEvent.type == "MenuExtAnchor")
{ srcAnchor = EventElement; do
{
srcAnchor=srcAnchor.parentElement;
}while(typeof(srcAnchor)=="HTMLAnchorElement");
AddLink(srcAnchor.href,srcAnchor.innerText,strDownloadPage, strCID, strStatPage,external.menuArguments.document.cookie);
}
else if (srcEvent.type == "MenuExtImage")
{
if (typeof(EventElement) == "HTMLAreaElement")
{
AddLink(EventElement.href,EventElement.Alt,strDownloadPage, strCID, strStatPage,external.menuArguments.document.cookie);
}
else
{
var srcImage = EventElement;
var srcAnchor = srcImage.parentElement;
do
{
srcAnchor=srcAnchor.parentElement;
if (typeof(srcAnchor) == "undefined")
{
AddLink(srcImage.href,srcImage.Alt,strDownloadPage, strCID, strStatPage,external.menuArguments.document.cookie);
return;
}
}while(typeof(srcAnchor) == "HTMLAnchorElement");
AddLink(srcAnchor.href,srcImage.Alt,strDownloadPage, strCID, strStatPage);
}
}
else if (srcEvent.type == "MenuExtUnknown")
{
srcAnchor = EventElement;
if(srcAnchor != null && srcAnchor.tagName != null && srcAnchor.tagName.toLowerCase() == "a")
{
AddLink(srcAnchor.href,srcAnchor.innerText,strDownloadPage, strCID, strStatPage,external.menuArguments.document.cookie);
}
else
{
while(srcAnchor != null && srcAnchor.tagName != null && srcAnchor.tagName.toLowerCase() != "a")
{
srcAnchor = srcAnchor.parentElement;
if(srcAnchor != null && srcAnchor.tagName != null && srcAnchor.tagName.toLowerCase() == "a")
{
AddLink(srcAnchor.href,srcAnchor.innerText,strDownloadPage, strCID, strStatPage,external.menuArguments.document.cookie);
return;
}
}
if(EventElement != null && EventElement.tagName != null)
{
AddLink(EventElement.href,EventElement.innerText,strDownloadPage, strCID, strStatPage,external.menuArguments.document.cookie);
}
else
{
alert("无法识别的超级链接信息");
}
}
}
else
{
}
}
OnContextMenu();</script>