Windows下后台下载文件的命令

' Set your settings
strFileURL = "http://www.domain.com/file.zip"
strSavePath = "C:\somefolder\"

' Send an HTTP request for the file
Set objXMLHTTP = CreateObject("MSXML2.XMLHTTP")

objXMLHTTP.open "GET", strFileURL, false
objXMLHTTP.send()

' If the server responds with "OK"...
If objXMLHTTP.Status = 200 Then
    ' Create a stream object to write downloaded data to
    Set objADOStream = CreateObject("ADODB.Stream")
    objADOStream.Open
    objADOStream.Type = 1 'adTypeBinary

    objADOStream.Write objXMLHTTP.ResponseBody
    objADOStream.Position = 0

    ' Create an empty file on disk
    Set objFso = Createobject("Scripting.FileSystemObject")
    ' Make sure we don't have any name collision...
    If objFso.Fileexists(strSavePath) Then objFSO.DeleteFile strSavePath
    Set objFso = Nothing

    ' Write the stream data to file
    objADOStream.SaveToFile strSavePath
    objADOStream.Close
    Set objADOStream = Nothing
End if

Set objXMLHTTP = Nothing

function saveFile(sSourceUrl, sDestFile) {
    var objXMLHTTP = new ActiveXObject("MSXML2.XMLHTTP");
    objXMLHTTP.onreadystatechange=function() {
        if (objXMLHTTP.readyState === 4) {
            var objADOStream = new ActiveXObject("ADODB.Stream");
            objADOStream.open();
            objADOStream.type = 1; // Binary
            objADOStream.write(objXMLHTTP.ResponseBody);
            objADOStream.position = 0;
            objADOStream.saveToFile(sDestFile, 2);
            objADOStream.close();
        }
    };

    objXMLHTTP.open("GET", sSourceUrl, false);
    objXMLHTTP.send();
}