guosen-ldt-shop/pages/chooseLable/chooseLable.vue

<template>
	<view>
		<mp-tree :checkList="checkList" v-if="tree.length>0"  :props="prop"
			@sendValue="confirm" :parent="false" :isCheck="true" :trees="tree">
			<!-- 内容插槽 -->
		</mp-tree>

	</view>
</template>

<script>
	import mpTree from '@/components/mp-tree/tree.vue';
	export default {
		components: {
			mpTree
		},
		data() {
			return {
				tree: [],
				checkList: [],
				prop: {
					label: 'dictKey',
					children: 'children',
					multiple: true,
					checkStrictly: true
				},
			}
		},
		onLoad(options) {
			if (!this.$isEmpty(options.label)) {
				this.checkList=JSON.parse(options.label)
			}
			this.getLabel()
		},
		methods: {
			getLabel(){
				let params={
					code:'business_label'
				}
				this.$api.dict.dictionaryTree(params).then(res=>{
					this.tree=res.data
					console.log(this.tree,"....");
				})
			},
			//获取选中的值
			confirm(val, back) {
				let checkList=[]
				let labelKey=[]
				let parentIds=new Set()
				val.forEach(item=>{
					parentIds.add(item.parentId)
					labelKey.push(item.dictKey)
					let obj={
						id:item.id,
						dictKey:item.dictKey,
						dictValue:item.dictValue,
						hasChildren:item.hasChildren,
						parentId:item.parentId
					}
					checkList.push(obj)
				})
				//返回上一页的数据
				let labelData={
					//一级标签的ids，逗号分割
					labelParentIds:Array.from(parentIds).join(","),
					//二级标签的json数据
					labelJson:JSON.stringify(checkList),
					//二级标签key，逗号分割
					labelKey:labelKey.join(",")
				}
				console.log(labelData,"****");
				uni.$emit('labelData',labelData)
				this.$back()
			},
		}
	}
</script>

<style lang="scss">
	.box_sizing {
		-webkit-box-sizing: border-box;
		-moz-box-sizing: border-box;
		box-sizing: border-box;
	}

	.btn {
		position: fixed;
		bottom: 0;
		padding: 10px;
		background-color: #fff;
		width: 100%;

		.sureBtn {
			background-color: #0095F2;
			color: #fff;
		}
	}
</style>