JavaScript打开EXCEL后，最后释放进程的方法

var idTmr = "";

function Cleanup() {

window.clearInterval(idTmr);

CollectGarbage();

}

function AutomateExcel()

{

var oXL = new ActiveXObject("Excel.Application");

oXL.DisplayAlerts = false

var oWB = oXL.Workbooks.Add();

var oSheet = oWB.ActiveSheet;

oXL.Visible = true;

oXL.UserControl = false;

oXL = null;

idTmr = window.setInterval("Cleanup();",1);

}