页面导出excel(备忘)

<script type="text/javascript">
function preview(){
 window.clipboardData.setData("Text",document.all('table1').outerHTML);
 try
 {
 var ExApp = new ActiveXObject("Excel.Application")
 var ExWBk = ExApp.workbooks.add()
 var ExWSh = ExWBk.worksheets(1)
 ExApp.DisplayAlerts = false
 ExApp.visible = true
 } 
 catch(e)
 {
 alert("您的电脑没有安装Microsoft Excel软件！")
 return false
 }
  ExWBk.worksheets(1).Paste;
}
</script>