update Table tree

examples/routers/table.vue

@@ -1,6 +1,10 @@
 <template>
     <div style="margin: 100px;">
-        <Table disabled-hover border ref="selection" :columns="columns4" :data="data1" row-key></Table>
+        <Table border ref="selection" :columns="columns4" :data="data1" row-key="id">
+            <template slot-scope="{ row }" slot="age">
+                <strong>{{row.age}}</strong>
+            </template>
+        </Table>
         <Button @click="handleSelectAll(true)">Set all selected</Button>
         <Button @click="handleSelectAll(false)">Cancel all selected</Button>
     </div>
@@ -22,7 +26,8 @@
                     },
                     {
                         title: 'Age',
-                        key: 'age'
+                        // key: 'age',
+                        slot: 'age'
                     },
                     {
                         title: 'Date',
@@ -35,55 +40,66 @@
                 ],
                 data1: [
                     {
+                        id: '100',
                         name: 'John Brown',
                         age: 18,
                         address: 'New York No. 1 Lake Park',
                         date: '2016-10-03'
                     },
                     {
+                        id: '101',
                         name: 'Jim Green',
                         age: 24,
                         address: 'London No. 1 Lake Park',
                         date: '2016-10-01',
-                        _showChildren: false,
+                        _showChildren: true,
                         children: [
                             {
+                                id: '10100',
                                 name: '张三',
                                 age: 18,
                                 address: '发动机莲富大厦放假了开始的',
                                 date: '2016-10-01'
                             },
                             {
+                                id: '10101',
                                 name: '李四',
                                 age: 19,
                                 address: '风刀霜剑分离的思路开发',
                                 date: '2016-10-02'
                             },
                             {
+                                id: '10102',
                                 name: '王五',
                                 age: 20,
                                 address: '分离的付款就说个就是范德萨发生',
                                 date: '2016-10-03',
+                                _showChildren: true,
                                 children: [
                                     {
+                                        id: '10102100',
                                         name: '赵六',
                                         age: 21,
                                         address: '梵蒂冈人太热疼我',
                                         date: '2016-10-05'
                                     },
                                     {
+                                        id: '10102101',
                                         name: '丁八',
                                         age: 22,
                                         address: '法第三方的范德萨范德萨发送到',
                                         date: '2016-10-06',
+                                        _showChildren: true,
                                         children: [
                                             {
+                                                id: '10102101100',
                                                 name: '第九',
                                                 age: 23,
                                                 address: '9梵蒂冈人太热疼我',
                                                 date: '2016-10-07'
                                             },
                                             {
+                                                id: '10102101101',
                                                 name: '第十',
                                                 age: 24,
                                                 address: '10法第三方的范德萨范德萨发送到',
@@ -96,12 +112,14 @@
                         ]
                     },
                     {
+                        id: '102',
                         name: 'Joe Black',
                         age: 30,
                         address: 'Sydney No. 1 Lake Park',
                         date: '2016-10-02'
                     },
                     {
+                        id: '103',
                         name: 'Jon Snow',
                         age: 26,
                         address: 'Ottawa No. 2 Lake Park',