tree.vue
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<template>
<div>
<Tree :data="baseData" :load-data="loadData" show-checkbox multiple></Tree>
<Button @click="handleAdd">add</Button>
<Button @click="handleUpdate">update</Button>
</div>
</template>
<script>
export default {
data () {
return {
baseData: [
{
expand: true,
title: 'parent 1',
children: [
{
title: 'parent 1-0',
expand: false,
children: [],
loading: false
},
{
title: 'parent 1-1',
expand: true,
checked: true,
children: [
{
title: '<span style="color: red">leaf</span>',
render: (h) => {
return h('Button', {
props: {
type: 'primary',
size: 'small'
},
on: {
click: () => {
this.cc();
}
}
}, '我是按钮')
}
}
]
}
]
}
]
}
},
methods: {
handleAdd () {
this.baseData.push(
{
title: 'test name',
checked: true
}
)
},
handleUpdate () {
this.$set(this.baseData[0].children[0].children[1], 'checked', true);
},
cc () {
console.log(99)
},
loadData (item, callback) {
item.loading = true;
setTimeout(() => {
item.children = [
{
title: 'children-1',
loading: false,
children: []
},
{
title: 'children-2',
loading: false,
children: []
}
];
item.loading = false;
callback();
}, 2000);
}
}
}
</script>