级联器(点选) Cascader ​

<template>
	<tm-app color="white">
		<tm-sheet>
			<tm-text :font-size="24" _class="text-weight-b" label="基础示例,更多见文档"></tm-text>
			<tm-divider></tm-divider>
			<tm-button @click="testValue = []" label="清空选择"></tm-button>
			<tm-text :label="str ? str : '请选择'"></tm-text>
		</tm-sheet>
		<tm-cascader
			ref="textCascader"
			:beforeCellClick="loadData"
			@cell-click="test"
			v-model="testValue"
			:defaultValue="testValue"
			:data="dlist"
		></tm-cascader>
	</tm-app>
</template>
<script lang="ts" setup>
import { ref, computed } from 'vue'
import { onShow, onLoad } from '@dcloudio/uni-app'
import tmApp from '@/tmui/components/tm-app/tm-app.vue'
import tmSheet from '@/tmui/components/tm-sheet/tm-sheet.vue'
import tmText from '@/tmui/components/tm-text/tm-text.vue'
import tmButton from '@/tmui/components/tm-button/tm-button.vue'
import tmDivider from '@/tmui/components/tm-divider/tm-divider.vue'
import tmCascader from '@/tmui/components/tm-cascader/tm-cascader.vue'
const textCascader = ref<InstanceType<typeof tmCascader> | null>(null)
const dlist = ref([
	{
		text: '选项0-0',
		id: '0-0',
		disabled: false,
		children: []
	},
	{
		text: '选项0-1',
		id: '0-1',
		disabled: true,
		children: []
	},
	{
		text: '选项0-2',
		id: '0-2',
		disabled: false
	}
])
const testValue = ref([])

const str = computed(() => testValue.value.join('/'))
function loop(path = '0', max = 3, level = 0) {
	const list = []
	for (let i = 0; i < max; i += 1) {
		const key = `${path}-${i}`
		const treeNode = {
			text: '选项' + key,
			id: key,
			disabled: i == 1
		}

		if (level > 0) {
			treeNode.children = loop(key, max, level - 1)
		}

		list.push(treeNode)
	}
	return list
}
function test(item: any) {
	// console.log(item,'test')
}
function loadData(level: number, index: number, data: any) {
	console.log(level, index, data)
	let test = loop('0', 6, 3)
	return new Promise((res) => {
		dlist.value[level[0]].children = test[level[0]].children
		// dlist.value =test
		uni.showLoading({ title: '...' })
		setTimeout(function () {
			uni.hideLoading()
			textCascader.value?.reFresh()
			res(true)
		}, 1500)
	})
}
</script>