Javascript 将table数据导出到Excel

直接将源代码拷贝过来的

<html>

<body>
<script language="javascript">
//导出excel
        function TableToExcelUtil(tableID) {
         this.tableBorder = -1; //边框类型，-1没有边框可取1/2/3/4
         this.backGround = 4; //背景颜色：白色可取调色板中的颜色编号 1/2/3/4....
         this.fontColor = 1; //字体颜色：黑色
         this.fontSize = 10; //字体大小
         this.fontStyle = "宋体"; //字体类型
         this.rowHeight = 20; //行高
         this.columnWidth = -1; //列宽
         this.lineWrap = true; //是否自动换行
         this.textAlign = -4108; //内容对齐方式默认为居中
         this.autoFit = true; //是否自适应宽度
         this.tableID = tableID;
     }
         TableToExcelUtil.prototype.setTableBorder = function (excelBorder) {
             this.tableBorder = excelBorder ;
         };
         TableToExcelUtil.prototype.setBackGround = function (excelColor) {
             this.backGround = excelColor;
         };
         TableToExcelUtil.prototype.setFontColor = function (excelColor) {
             this.fontColor = excelColor;
         };
         TableToExcelUtil.prototype.setFontSize = function (excelFontSize) {
             this.fontSize = excelFontSize;
         };
         TableToExcelUtil.prototype.setFontStyle = function (excelFont) {
             this.fontStyle = excelFont;
         };
         TableToExcelUtil.prototype.setRowHeight = function (excelRowHeight) {
             this.rowHeight = excelRowHeight;
         };
         TableToExcelUtil.prototype.setColumnWidth = function (excelColumnWidth) {
             this.columnWidth = excelColumnWidth;
         };
         TableToExcelUtil.prototype.isLineWrap = function (lineWrap) {
             if (lineWrap == false || lineWrap == true) {
                 this.lineWrap = lineWrap;
             }
         };
         TableToExcelUtil.prototype.setTextAlign = function (textAlign) {
             this.textAlign = textAlign;
         };
         TableToExcelUtil.prototype.isAutoFit = function(autoFit){
             if(autoFit == true || autoFit == false)this.autoFit = autoFit ;
         }
         //文件转换主函数
         TableToExcelUtil.prototype.getExcelFile = function () {
         var jXls, myWorkbook, myWorksheet, myHTMLTableCell, myExcelCell, myExcelCell2;
         var myCellColSpan, myCellRowSpan;
         try {
             jXls = new ActiveXObject('Excel.Application');
         }catch (e) {
             alert("无法启动Excel!\n\n如果您确信您的电脑中已经安装了Excel，"+"那么请调整IE的安全级别。\n\n具体操作：\n\n"+"工具 → Internet选项 → 安全 → 自定义级别 → 对没有标记为安全的ActiveX进行初始化和脚本运行 → 启用");
             return false;
         }
         jXls.Visible = true;
         myWorkbook = jXls.Workbooks.Add();
         jXls.DisplayAlerts = false;
         myWorkbook.Worksheets(3).Delete();
         myWorkbook.Worksheets(2).Delete();
         jXls.DisplayAlerts = true;
         myWorksheet = myWorkbook.ActiveSheet;
         var readRow = 0, readCol = 0;var totalRow = 0, totalCol = 0;
         var tabNum = 0;
         //设置行高、列宽
         if(this.columnWidth != -1)
             myWorksheet.Columns.ColumnWidth = this.columnWidth;
         else
             myWorksheet.Columns.ColumnWidth = 7;
         if(this.rowHeight != -1)
             myWorksheet.Rows.RowHeight = this.rowHeight ;
         //搜索需要转换的Table对象，获取对应行、列数
         var obj = document.all.tags("table");
         for (x = 0; x < obj.length; x++) {
             if (obj[x].id == this.tableID) {
                 tabNum = x;
                 totalRow = obj[x].rows.length;
                 for (i = 0; i < obj[x].rows[0].cells.length; i++) {
        &nbs

补充：web前端 , JavaScript ,