js 实现将数据导出excel,亲测有效

<html>
<head>
  <p style="font-size: 20px;color: red;">使用table标签方式将json导出xls文件</p>
  <button onclick='tableToExcel()'>导出</button>
</head>
<body>
  <script>
            
    function tableToExcel(){
      //要导出的json数据
      var jsonData = [
        {
          name:'路人甲',
          phone:'123456',
          email:'[email protected]'
        },
        {
          name:'炮灰乙',
          phone:'123456',
          email:'[email protected]'
        },
        {
          name:'土匪丙',
          phone:'123456',
          email:'[email protected]'
        },
        {
          name:'流氓丁',
          phone:'123456',
          email:'[email protected]'
        },
      ]
      //列标题
      var str = '<tr><td>姓名</td><td>电话</td><td>邮箱</td></tr>';
      //循环遍历,每行加入tr标签,每个单元格加td标签
      for(let i = 0 ; i < jsonData.length ; i++ ){
        str+='<tr>';
        for(let item in jsonData[i]){
            //增加\t为了不让表格显示科学计数法或者其他格式
            str+=`<td>${ jsonData[i][item] + '\t'}</td>`;     
        }
        str+='</tr>';
      }
      //Worksheet名
      var worksheet = 'Sheet1'
      var uri = 'data:application/vnd.ms-excel;base64,';

      //下载的表格模板数据
      var 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>${worksheet}</x:Name>
        <x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet>
        </x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]-->
        </head><body><table>${str}</table></body></html>`;
      //下载模板
      window.location.href = uri + base64(template)
    }
    //输出base64编码
    function base64 (s) { return window.btoa(unescape(encodeURIComponent(s))) }
</script>
</body>
</html>

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转载自blog.csdn.net/qq_43089644/article/details/82949218