js导出Excel

<mce:script language=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; } // --></mce:script>