## 12.13.表格复选框和序号列合并 ```javascript table.render({ elem: '#userTable', cols: [[ { title:'<input type="checkbox" name="layTableCheckbox" lay-skin="primary" lay-filter="layTableAllChoose">', templet: '<div><input type="checkbox" name="layTableCheckbox" lay-skin="primary"> {{d.LAY_INDEX}}</div>' }, {field: 'username', title: '账号'}, {field: 'sex', title: '性别'} ]] }); ``` 用`title`加全选框，用`templet`加复选框，用`d.LAY_INDEX`获取序号。 <br/>