[转]JavaScript加XmlHttpRequest实现文件下载

< script language = ´javascript´ >
var  xmlHttp;
try
{
  xmlHttp=new XmlHttpRequest();
}
catch (microsoft)
{
  try
  {
   xmlHttp=new ActiveXObject("Microsoft.XMLHTTP"); 
  }
  catch(otherMicrosoft)
  {
    try
    {
          xmlHttp=new ActiveXObject("Msxml2.XMLHTTP"); 
    }
    catch(failed)
    {
        xmlHttp=false;
    }
  }
}

function  getXML(geturl)
{

  xmlHttp.onreadystatechange = getReady; 
  xmlHttp.open("GET",geturl,true); 
  xmlHttp.send(); 
}


function  getReady()
{
if(xmlHttp.readyState==4)
{
if(xmlHttp.status==200) 
{saveFile("d:\test.txt");return true;} 
else
{return false;}
}
else
return false;
}


function  saveFile(tofile)
{
var objStream; 
var imgs; 
imgs = xh.responseBody; 
objStream = new ActiveXObject("ADODB.Stream"); 
objStream.Type = 1; 
objStream.open();
objStream.write(imgs);
objStream.SaveToFile(tofile)
}
getXML( " http://192.168.1.11/test.txt " );
script >

转载于:https://www.cnblogs.com/trampt/archive/2007/12/16/997024.html