1                         <script type="text/html" id="ReportTBtoolbar">
 2                             <div class="layui-btn-container">
 3                                 <button class="layui-btn layui-btn-sm" lay-event="seeReport"><i class="layui-icon"></i>查看报告</button>
 4                                 <button class="layui-btn layui-btn-sm" lay-event="printReport"><i class="layui-icon"></i>打印报告</button>
 5                                 <button class="layui-btn layui-btn-sm" lay-event="printBarCode"><i class="layui-icon"></i>打印条码</button>
 6                             </div>
 7                             <div class="layui-table-tool-self_diy">
 8                                 <span class="layui-inline yutons-header-tool" title="筛选列" lay-event="LAYTABLE_COLS">
 9                                     <i class="layui-icon layui-icon-cols"></i>
10                                 </span>
11                                 <span class="layui-inline yutons-header-tool" title="导出Excel" lay-event="table_export">
12                                     <i class="layui-icon layui-icon-export"></i>
13                                 </span>
14                                 <span class="layui-inline yutons-header-tool" title="打印" lay-event="LAYTABLE_PRINT">
15                                     <i class="layui-icon layui-icon-print"></i>
16                                 </span>
17                             </div>
18                         </script>

1     //头工具栏事件
2     table.on(\'toolbar(ReportTB)\', function (obj) {
3         var checkStatus = table.checkStatus(obj.config.id);
4         switch (obj.event) {
5             case \'table_export\':
6                 exportFile(\'ReportTB\');
7                 break;
8         };
9     });

 1 if (!Array.from) {
 2     Array.from = function (el) {
 3         return Array.apply(this, el);
 4     }
 5 }
 6 
 7 function exportFile(id) {
 8     //根据传入tableID获取表头
 9     var headers = $("div[lay-id=" + id + "] .layui-table-box table").get(0);
10     var htrs = Array.from(headers.querySelectorAll(\'tr\'));
11     var titles = {};
12     for (var j = 0; j < htrs.length; j++) {
13         var hths = Array.from(htrs[j].querySelectorAll("th"));
14         for (var i = 0; i < hths.length; i++) {
15             var clazz = hths[i].getAttributeNode(\'class\').value;
16             if (clazz != \' layui-table-col-special\' && clazz != \'layui-hide\') {
17                 //排除居左、具有、隐藏字段
18                 //修改:默认字段data-field+i,兼容部分数据表格中不存在data-field值的问题
19                 titles[\'data-field\' + i] = hths[i].innerText;
20             }
21         }
22     }
23     //根据传入tableID获取table内容
24     var bodys = $("div[lay-id=" + id + "] .layui-table-box table").get(1);
25     var btrs = Array.from(bodys.querySelectorAll("tr"))
26     var bodysArr = new Array();
27     for (var j = 0; j < btrs.length; j++) {
28         var contents = {};
29         var btds = Array.from(btrs[j].querySelectorAll("td"));
30         for (var i = 0; i < btds.length; i++) {
31             for (var key in titles) {
32                 //修改:默认字段data-field+i,兼容部分数据表格中不存在data-field值的问题
33                 var field = \'data-field\' + i;
34                 if (field === key) {
35                     //根据表头字段获取table内容字段
36                     contents[field] = btds[i].innerText;
37                 }
38             }
39         }
40         bodysArr.push(contents)
41     }
42     //将标题行置顶添加到数组
43     bodysArr.unshift(titles);
44     //导出excel
45     excel.exportExcel({
46         sheet1: bodysArr
47     }, \'用户表\' + new Date().toLocaleString() + \'.xlsx\', \'xlsx\');
48 }

1 if (!Array.from) {
2       Array.from = function (el) {
3           return Array.apply(this, el);
4       }
5   }