【JS-Excel】使用JS导出表格数据、附带解决科学计数法等问题

/**
*导出excel
*/
var idTmr;
function  getExplorer() {
    var explorer = window.navigator.userAgent ;
    //ie 
    if (explorer.indexOf("MSIE") >= 0) {
        return 'ie';
    }
    //firefox 
    else if (explorer.indexOf("Firefox") >= 0) {
        return 'Firefox';
    }
    //Chrome
    else if(explorer.indexOf("Chrome") >= 0){
        return 'Chrome';
    }
    //Opera
    else if(explorer.indexOf("Opera") >= 0){
        return 'Opera';
    }
    //Safari
    else if(explorer.indexOf("Safari") >= 0){
        return 'Safari';
    }
}
function ExportExcel(tableid) {//整个表格拷贝到EXCEL中
    if(getExplorer()=='ie')
    {
        var curTbl = document.getElementById(tableid);
        var oXL = new ActiveXObject("Excel.Application");

        //创建AX对象excel 
        var oWB = oXL.Workbooks.Add();
        //获取workbook对象 
        var xlsheet = oWB.Worksheets(1);
        //激活当前sheet 
        var sel = document.body.createTextRange();
        sel.moveToElementText(curTbl);
        //把表格中的内容移到TextRange中 
        sel.select;
        //全选TextRange中内容 
        sel.execCommand("Copy");
        //复制TextRange中内容  
        xlsheet.Paste();
        //粘贴到活动的EXCEL中       
        oXL.Visible = true;
        //设置excel可见属性

        try {
            var fname = oXL.Application.GetSaveAsFilename("Excel.xls", "Excel Spreadsheets (*.xls), *.xls");
        } catch (e) {
            print("Nested catch caught " + e);
        } finally {
            oWB.SaveAs(fname);

            oWB.Close(savechanges = false);
            //xls.visible = false;
            oXL.Quit();
            oXL = null;
            //结束excel进程，退出完成
            //window.setInterval("Cleanup();",1);
            idTmr = window.setInterval("Cleanup();", 1);

        }

    }
    else
    {
        tableToExcel(tableid);
    }
}
function Cleanup() {
    window.clearInterval(idTmr);
    CollectGarbage();
}
var tableToExcel = (function() {
      var uri = 'data:application/vnd.ms-excel;base64,',
      template = '<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns="http://www.w3.org/TR/REC-html40"><head><!--[if gte mso 9]><xml><x:ExcelWorkbook><x:ExcelWorksheets><x:ExcelWorksheet><x:Name>{worksheet}</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet></x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></head><body><table>{table}</table></body></html>',
        base64 = function(s) { return window.btoa(unescape(encodeURIComponent(s))) },
        format = function(s, c) {
            return s.replace(/{(w+)}/g,
            function(m, p) { return c[p]; })}
        return function(table, name) {
        if (!table.nodeType) table = document.getElementById(table)
        var ctx = {worksheet: name || 'Worksheet', table: table.innerHTML}
        window.location.href = uri + base64(format(template, ctx))
      }
})()
其他问题解决：
Excel解决乱码问题、电话身份证显示为科学计数法问题 http://www.cnblogs.com/flydkPocketMagic/p/7429059.html