js中的table导出成Excel表格

首先判断手否是IE,原因在于IE导出我用的是ActiveXObject,判断的方式很简单,只需要拿到window.navigator.userAgent即可进行判断,代码如下

function getExplorer() { 
    if (window.navigator.userAgent.indexOf("MSIE") >= 0) {
        return 1;
    } else if (window.navigator.userAgent.indexOf("Firefox") >= 0) {
        return 0;
    } else if (window.navigator.userAgent.indexOf("Chrome") >= 0) {
        return 0;
    } else if (window.navigator.userAgent.indexOf("Opera") >= 0) {
        return 0;
    } else if (window.navigator.userAgent.indexOf("Safari") >= 0) {
        return 0;
    } else {
        return 1;
    }
}

下面函数就是当浏览器是IE时调用的函数(注意该函数只能将table表格打开在Excel中,并非真正的保存)

function Msie(id) {
        var tabID= document.getElementById(id); 
         var aXO = new ActiveXObject("Excel.Application"); 
         var oWB = oXL.Workbooks.Add(); 
        var oSheet = oWB.ActiveSheet;  
         var len= tabID.rows.length;   //取得表格行数 
         for (i = 0; i < len; i++){ 
             var Lenc = tabID.rows(i).cells.length;  //取得每行的列数 
             for (j = 0; j < Lenc; j++) 
             { 
                 oSheet.Cells(i + 1, j + 1).value = tabID.rows(i).cells(j).innerText; 
                 //赋值 
             } 
         } 
         aXO.Visible = true; 
    }

当浏览器为高级浏览器时(非IE及IE内核的浏览器)调用函数

function other(mytalbe){
  var table = document.getElementById(mytalbe);
    // 克隆(复制)此table元素,这样对复制品进行修改(如添加或改变table的标题等),导出复制品,而不影响原table在浏览器中的展示。
    table = table.cloneNode(true);
    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 version="1.0" encoding="UTF-8" standalone="yes"?><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 style="vnd.ms-excel.numberformat:@">{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];
            });
        };
    if(!table.nodeType) table = document.getElementById(table);
    var ctx = {
        worksheet: name || 'Worksheet',
        table: table.innerHTML
    };
    window.location.href = uri + base64(format(template, ctx));  
}

然后封装下面的函数并判断是否是IE

function tabletoExcel(tableID) {
if(getExplorer() == 1)
     Msie(tableID)
}else{
other(mytalbe)
}
}

之后在需要输出table的地方调用就好了

原文地址:https://www.cnblogs.com/teersky/p/7305345.html