Tree Select
树形选择器
Markup Schema 案例
vue
<script lang="ts" setup>
import { createForm } from '@formily/core'
import { createSchemaField, FormProvider } from '@formily/vue'
import { FormItem, Submit, TreeSelect } from '@silver-formily/element-plus'
const data = [
{
value: '1',
label: 'Level one 1',
children: [
{
value: '1-1',
label: 'Level two 1-1',
children: [
{
value: '1-1-1',
label: 'Level three 1-1-1',
},
],
},
],
},
{
value: '2',
label: 'Level one 2',
children: [
{
value: '2-1',
label: 'Level two 2-1',
children: [
{
value: '2-1-1',
label: 'Level three 2-1-1',
},
],
},
{
value: '2-2',
label: 'Level two 2-2',
children: [
{
value: '2-2-1',
label: 'Level three 2-2-1',
},
],
},
],
},
{
value: '3',
label: 'Level one 3',
children: [
{
value: '3-1',
label: 'Level two 3-1',
children: [
{
value: '3-1-1',
label: 'Level three 3-1-1',
},
],
},
{
value: '3-2',
label: 'Level two 3-2',
children: [
{
value: '3-2-1',
label: 'Level three 3-2-1',
},
],
},
],
},
]
const form = createForm()
const { SchemaField, SchemaStringField } = createSchemaField({
components: {
FormItem,
TreeSelect,
},
})
async function log(value) {
console.log(value)
}
</script>
<template>
<FormProvider :form="form">
<SchemaField>
<SchemaStringField
name="treeSelect"
title="树形选择"
x-decorator="FormItem"
x-component="TreeSelect"
:enum="data"
/>
</SchemaField>
<Submit @submit="log">
提交
</Submit>
</FormProvider>
</template>JSON Schema 案例
vue
<script lang="ts" setup>
import { createForm } from '@formily/core'
import { createSchemaField } from '@formily/vue'
import { Form, FormItem, Submit, TreeSelect } from '@silver-formily/element-plus'
const data = [
{
value: '1',
label: 'Level one 1',
children: [
{
value: '1-1',
label: 'Level two 1-1',
children: [
{
value: '1-1-1',
label: 'Level three 1-1-1',
},
],
},
],
},
{
value: '2',
label: 'Level one 2',
children: [
{
value: '2-1',
label: 'Level two 2-1',
children: [
{
value: '2-1-1',
label: 'Level three 2-1-1',
},
],
},
{
value: '2-2',
label: 'Level two 2-2',
children: [
{
value: '2-2-1',
label: 'Level three 2-2-1',
},
],
},
],
},
{
value: '3',
label: 'Level one 3',
children: [
{
value: '3-1',
label: 'Level two 3-1',
children: [
{
value: '3-1-1',
label: 'Level three 3-1-1',
},
],
},
{
value: '3-2',
label: 'Level two 3-2',
children: [
{
value: '3-2-1',
label: 'Level three 3-2-1',
},
],
},
],
},
]
const form = createForm()
const schema = {
type: 'object',
properties: {
treeSelect: {
'type': 'string',
'title': '树形选择',
'enum': data,
'x-decorator': 'FormItem',
'x-component': 'TreeSelect',
},
},
}
const { SchemaField } = createSchemaField({
components: {
FormItem,
TreeSelect,
},
})
async function onSubmit(value) {
console.log(value)
}
</script>
<template>
<Form :form="form" label-align="left" :label-width="160">
<SchemaField :schema="schema" />
<Submit @submit="onSubmit">
提交
</Submit>
</Form>
</template>Template 案例
vue
<script lang="ts" setup>
import { createForm } from '@formily/core'
import { Field, FormProvider } from '@formily/vue'
import { FormItem, Submit, TreeSelect } from '@silver-formily/element-plus'
const data = [
{
value: '1',
label: 'Level one 1',
children: [
{
value: '1-1',
label: 'Level two 1-1',
children: [
{
value: '1-1-1',
label: 'Level three 1-1-1',
},
],
},
],
},
{
value: '2',
label: 'Level one 2',
children: [
{
value: '2-1',
label: 'Level two 2-1',
children: [
{
value: '2-1-1',
label: 'Level three 2-1-1',
},
],
},
{
value: '2-2',
label: 'Level two 2-2',
children: [
{
value: '2-2-1',
label: 'Level three 2-2-1',
},
],
},
],
},
{
value: '3',
label: 'Level one 3',
children: [
{
value: '3-1',
label: 'Level two 3-1',
children: [
{
value: '3-1-1',
label: 'Level three 3-1-1',
},
],
},
{
value: '3-2',
label: 'Level two 3-2',
children: [
{
value: '3-2-1',
label: 'Level three 3-2-1',
},
],
},
],
},
]
const form = createForm()
async function log(value) {
console.log(value)
}
</script>
<template>
<FormProvider :form="form">
<Field
name="treeSelect"
title="树形选择"
:decorator="[FormItem]"
:component="[TreeSelect]"
:data-source="data"
/>
<Submit @submit="log">
提交
</Submit>
</FormProvider>
</template>API
参考 https://cn.element-plus.org/zh-CN/component/tree-select.html
获取实例
用于获取ElTreeSelect实例,具体暴露的方法请参考element-plus文档。使用方式请参考节点过滤的demo。主要用来操作Tree的展开与选中。
ts
const treeSelectRef: Ref<TreeSelectInstance> = fieldRef.value.invoke('getTreeSelectRef')插槽
支持原有组件所有插槽,所有插槽在原有基础上额外添加了 field 作用域插槽的值方便做访问。