element-plus/packages/tree/doc/basic8.vue
2020-09-27 11:33:31 +08:00

79 lines
1.3 KiB
Vue

<template>
<input
v-model="filterText"
placeholder="输入关键字进行过滤"
>
<el-tree
ref="tree"
class="filter-tree"
:data="data"
:props="defaultProps"
default-expand-all
:filter-node-method="filterNode"
/>
</template>
<script>
export default {
data() {
return {
filterText: '',
data: [{
id: 1,
label: '一级 1',
children: [{
id: 4,
label: '二级 1-1',
children: [{
id: 9,
label: '三级 1-1-1',
}, {
id: 10,
label: '三级 1-1-2',
}],
}],
}, {
id: 2,
label: '一级 2',
children: [{
id: 5,
label: '二级 2-1',
}, {
id: 6,
label: '二级 2-2',
}],
}, {
id: 3,
label: '一级 3',
children: [{
id: 7,
label: '二级 3-1',
}, {
id: 8,
label: '二级 3-2',
}],
}],
defaultProps: {
children: 'children',
label: 'label',
},
}
},
watch: {
filterText(val) {
this.$refs.tree.filter(val)
},
},
methods: {
filterNode(value, data) {
if (!value) return true
return data.label.indexOf(value) !== -1
},
},
}
</script>