// pages/common/comTree/index.js
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/**
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value = [
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{
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id: 1,
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name: '一级名称',
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children: []
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}
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]
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*/
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Component({
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/**
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* 组件的属性列表
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*/
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properties: {
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dataTree: {
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type: Array,
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value: []
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},
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selectKey: { // 选中的节点id
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type: String,
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value: ''
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},
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isSelectLastNode: { //是否必须选中最后一节点
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type: Boolean,
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value: false
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},
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isOpenAll: { //是否展开全部节点
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type: Boolean,
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value: false
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}
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},
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observers: {
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'dataTree': function(params) {
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params.forEach(v => {
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v.open = this.properties.isOpenAll // 是否展开
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})
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this.setData({
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tree: params
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})
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}
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},
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/**
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* 组件的初始数据
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*/
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data: {
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tree: []
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},
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/**
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* 组件的方法列表
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*/
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methods: {
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isOpen(e) {
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const open = 'tree[' + e.currentTarget.dataset.index + '].open'
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this.setData({
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[open]: !this.data.tree[e.currentTarget.dataset.index].open
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})
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},
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select(e) {
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const item = e.currentTarget.dataset.item
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if(this.properties.isSelectLastNode) {
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// console.log(item)
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if (!item.children || item.children.length == 0) {
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this.triggerEvent('select', { item: item }, { bubbles: true, composed: true })
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} else {
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this.triggerEvent('select', { tips: '必须选择最后一个节点' }, { bubbles: true, composed: true })
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}
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} else {
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this.triggerEvent('select', { item: item }, { bubbles: true, composed: true })
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}
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}
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}
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})
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