307 lines
11 KiB
Vue
307 lines
11 KiB
Vue
<template xlang="wxml">
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<view class="tki-tree">
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<view class="tki-tree-mask" :class="{'show':showTree}" @tap="_cancel"></view>
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<view class="tki-tree-cnt" :class="{'show':showTree}">
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<view class="tki-tree-bar">
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<view class="tki-tree-bar-cancel" :style="{'color':cancelColor}" hover-class="hover-c" @tap="_cancel">取消</view>
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<view class="tki-tree-bar-title" :style="{'color':titleColor}">{{title}}</view>
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<view class="tki-tree-bar-confirm" :style="{'color':confirmColor}" hover-class="hover-c" @tap="_confirm">确定</view>
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</view>
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<view class="tki-tree-view">
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<scroll-view class="tki-tree-view-sc" :scroll-y="true">
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<block v-for="(item, index) in treeList" :key="index">
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<view class="tki-tree-item" :style="[{
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paddingLeft: item.rank*15 + 'px',
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zIndex: item.rank*-1 +50
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}]"
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:class="{
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border: border === true,
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show: item.show,
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last: item.lastRank,
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showchild: item.showChild,
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open: item.open,
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}">
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<view class="tki-tree-label" @tap.stop="_treeItemTap(item, index)">
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<image class="tki-tree-icon" :src="item.lastRank ? lastIcon : item.showChild ? currentIcon : defaultIcon"></image>
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{{item.name}}
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</view>
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<view class="tki-tree-check" @tap.stop="_treeItemSelect(item, index)" v-if="selectParent?true:item.lastRank">
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<view class="tki-tree-check-yes" v-if="item.checked" :class="{'radio':!multiple}" :style="{'border-color':confirmColor}">
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<view class="tki-tree-check-yes-b" :style="{'background-color':confirmColor}"></view>
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</view>
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<view class="tki-tree-check-no" v-else :class="{'radio':!multiple}" :style="{'border-color':confirmColor}"></view>
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</view>
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</view>
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</block>
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</scroll-view>
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</view>
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</view>
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</view>
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</template>
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<script>
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export default {
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name: "tki-tree",
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props: {
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range: {
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type: Array,
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default: function() {
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return []
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}
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},
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idKey: {
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type: String,
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default: 'id'
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},
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rangeKey: {
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type: String,
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default: 'label'
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},
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title: {
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type: String,
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default: ''
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},
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multiple: { // 是否可以多选
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type: Boolean,
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default: false
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// default: true
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},
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selectParent: { //是否可以选父级
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type: Boolean,
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default: false
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},
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foldAll: { //折叠时关闭所有已经打开的子集，再次打开时需要一级一级打开
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type: Boolean,
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default: false
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},
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confirmColor: { // 确定按钮颜色
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type: String,
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default: '' // #07bb07
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},
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cancelColor: { // 取消按钮颜色
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type: String,
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default: '' // #757575
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},
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titleColor: { // 标题颜色
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type: String,
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default: '' // #757575
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},
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currentIcon: { // 展开时候的ic
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type: String,
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default: 'data:image/png;base64,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'
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},
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defaultIcon: { // 折叠时候的ic
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type: String,
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default: 'data:image/png;base64,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'
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},
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lastIcon: { // 没有子集的ic
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type: String,
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default: ''
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},
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border: { // 是否有分割线
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type: Boolean,
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default: false
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},
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childrenName: { // 子集的名字
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type: String,
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default: 'children'
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},
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},
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data() {
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return {
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showTree: false,
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treeList: [],
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selectIndex: -1,
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}
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},
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computed: {},
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methods: {
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_show() {
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this.showTree = true
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},
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_hide() {
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this.showTree = false
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},
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_cancel() {
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this._hide()
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this.$emit("cancel", '');
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},
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_confirm() {
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// 处理所选数据
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let rt = [],
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obj = {};
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this.treeList.forEach((v, i) => {
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if (this.treeList[i].checked) {
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obj = {}
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obj.parents = this.treeList[i].parents
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obj = Object.assign(obj, this.treeList[i].source)
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// 移除子元素
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delete obj[this.childrenName]
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rt.push(obj)
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}
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})
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this._hide()
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this.$emit("confirm", rt);
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},
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//扁平化树结构
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_renderTreeList(list = [], rank = 0, parentId = [], parents = []) {
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list.forEach(item => {
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this.treeList.push({
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id: item[this.idKey],
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name: item[this.rangeKey],
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source: item,
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parentId, // 父级id数组
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parents, // 父级id数组
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rank, // 层级
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showChild: false, //子级是否显示
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open: false, //是否打开
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show: rank === 0, // 自身是否显示
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hideArr: [],
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orChecked: item.checked ? item.checked : false,
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checked: item.checked ? item.checked : false,
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})
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if (Array.isArray(item[this.childrenName]) && item[this.childrenName].length > 0) {
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// console.log(item)
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let parentid = [...parentId],
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parentArr = [...parents],
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childrenid = [...childrenid];
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delete parentArr[this.childrenName]
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parentid.push(item[this.idKey]);
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parentArr.push({
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[this.idKey]: item[this.idKey],
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[this.rangeKey]: item[this.rangeKey]
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})
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this._renderTreeList(item[this.childrenName], rank + 1, parentid, parentArr);
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} else {
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this.treeList[this.treeList.length - 1].lastRank = true;
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}
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})
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// console.log(list)
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},
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// 处理默认选择
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_defaultSelect() {
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this.treeList.forEach((v, i) => {
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if (v.checked) {
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this.treeList.forEach((v2, i2) => {
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if (v.parentId.toString().indexOf(v2.parentId.toString()) >= 0) {
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v2.show = true
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if (v.parentId.includes(v2.id)) {
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v2.showChild = true;
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v2.open = true;
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}
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}
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})
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}
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})
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},
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// 点击
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_treeItemTap(item, index) {
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if (item.lastRank === true) {
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//点击最后一级时触发事件
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this.treeList[index].checked = !this.treeList[index].checked
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this._fixMultiple(index)
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return;
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}
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let list = this.treeList;
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let id = item.id;
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item.showChild = !item.showChild;
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item.open = item.showChild ? true : !item.open;
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list.forEach((childItem, i) => {
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if (item.showChild === false) {
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//隐藏所有子级
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if (!childItem.parentId.includes(id)) {
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return;
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}
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if (!this.foldAll) {
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if (childItem.lastRank !== true && !childItem.open) {
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childItem.showChild = false;
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}
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// 为隐藏的内容添加一个标记
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if (childItem.show) {
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childItem.hideArr[item.rank] = id
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}
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} else {
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if (childItem.lastRank !== true) {
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childItem.showChild = false;
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}
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}
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childItem.show = false;
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} else {
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// 打开子集
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if (childItem.parentId[childItem.parentId.length - 1] === id) {
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childItem.show = true;
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}
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// 打开被隐藏的子集
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if (childItem.parentId.includes(id) && !this.foldAll) {
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// console.log(childItem.hideArr)
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if (childItem.hideArr[item.rank] === id) {
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childItem.show = true;
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if (childItem.open && childItem.showChild) {
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childItem.showChild = true
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} else {
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childItem.showChild = false
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}
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childItem.hideArr[item.rank] = null
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}
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// console.log(childItem.hideArr)
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}
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}
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})
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// console.log(this.treeList)
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},
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_treeItemSelect(item, index) {
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this.treeList[index].checked = !this.treeList[index].checked
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this._fixMultiple(index)
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},
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// 处理单选多选
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_fixMultiple(index) {
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if (!this.multiple) {
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// 如果是单选
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this.treeList.forEach((v, i) => {
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if (i != index) {
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this.treeList[i].checked = false
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} else {
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this.treeList[i].checked = true
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}
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})
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}
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},
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// 重置数据
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_reTreeList() {
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this.treeList.forEach((v, i) => {
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this.treeList[i].checked = v.orChecked
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})
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},
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_initTree(range = this.range){
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this.treeList = [];
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this._renderTreeList(range);
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this.$nextTick(() => {
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this._defaultSelect(range)
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})
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}
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},
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watch: {
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range(list) {
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this._initTree(list);
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},
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multiple() {
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if (this.range.length) {
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this._reTreeList();
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}
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},
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selectParent() {
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if (this.range.length) {
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this._reTreeList();
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}
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},
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},
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mounted() {
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this._initTree();
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}
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}
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</script>
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<style scoped>
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@import "./style.css";
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</style>
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