docs: update wg-basic/page-unit

wg-basic/page-unit.md

@@ -2,7 +2,7 @@
 title: 页面组件
 description: 页面上使用的组件
 published: true
-date: 2021-10-21T07:15:00.382Z
+date: 2021-10-21T07:55:28.816Z
 tags: wg-basic
 editor: markdown
 dateCreated: 2021-09-08T06:41:19.351Z
@@ -174,10 +174,16 @@ new Viewer(document.getElementById('boxId'), {navbar: true});
 
 # 7. 列表按钮
 ```javascript
-// 列表模板
+// 单按钮
 templet: function(item) {
     return '<button type="button" class="layui-btn layui-btn-sm" lay-event="resetPasswordEvent"><i class="fa fa-key"></i> 重置密码</button>';
 }
+// 按钮组
+templet: function(item) {
+    return '<div class="layui-btn-group">'+
+      '<button type="button" class="layui-btn layui-btn-sm" lay-event="resetPasswordEvent"><i class="fa fa-key"></i> 重置密码</button>'+
+      '</div>';
+}
 // 事件处理
 table.on('tool(dataTable)', function(obj) {
     var layEvent = obj.event;
@@ -422,6 +428,9 @@ top.dialog.open({
 ```
 
 2. 动态
+
+引入：`var laytpl = layui.laytpl`
+
 ```html
 <div class="layui-inline layui-form search-item search-item-width-100">
   <div class="layui-form" id="questionTypeSelectTemplateBox" lay-filter="questionTypeSelectTemplateBox"></div>