538 lines
17 KiB
Vue
538 lines
17 KiB
Vue
<template>
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<view class="next-tree">
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<view class="next-tree-mask" :class="{ 'show': showTree }" @tap="_cancel"></view>
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<view class="next-tree-cnt" :class="{ 'show': showTree }">
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<view class="next-tree-bar">
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<view class="next-tree-bar-cancel" :style="{ 'color': cancelColor }" hover-class="hover-c" @tap="_cancel">取消
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</view>
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<view class="next-tree-bar-title" :style="{ 'color': titleColor }">{{ title }}</view>
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<view class="next-tree-bar-confirm" :style="{ 'color': confirmColor }" hover-class="hover-c" @tap="_confirm">确定
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</view>
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</view>
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<view class="next-tree-view">
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<scroll-view class="next-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="next-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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}]" :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="next-tree-label" @tap.stop="_treeItemTap(item, index)">
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<image class="next-tree-icon"
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: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="next-tree-check" @tap.stop="_treeItemSelect(item, index)"
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v-if="selectParent ? true : item.lastRank">
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<view class="next-tree-check-yes" v-if="item.checked" :class="{ 'radio': !multiple }"
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:style="{ 'border-color': confirmColor, 'background-color': confirmColor }">
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<view class="next-tree-check-yes-b" :style="{ 'background-color': confirmColor }">
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<text class="icon-text">✔</text>
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</view>
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</view>
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<view class="next-tree-check-no" v-else :class="{ 'radio': !multiple }"
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: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: "next-tree",
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props: {
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treeData: {
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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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valueKey: {
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type: String,
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default: 'id'
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},
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labelKey: {
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type: String,
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default: 'label'
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},
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childrenKey: {
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type: String,
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default: 'children'
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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: '#2681FF' // #f9ae3d
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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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},
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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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childNums: [],
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rt: [],
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rtName: []
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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.$emit("cancel", '');
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},
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_confirm() {
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this.rt = [];
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this.rtName = [];
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// 处理所选数据
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this.treeList.forEach((item, i) => {
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// if (item.checked && item.id == 100) {
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// return this.confirmEach(this.treeData)
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// }
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if (item.checked && item.parentId) {
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this.rt.push(item.id)
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this.rtName.push(item.name)
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}
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})
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this._hide()
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this.$emit("confirm", { id: this.rt, name: this.rtName });
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},
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confirmEach(list) {
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list.forEach((item, index) => {
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if (item.isDy) {
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this.rtName.push(item.name)
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this.rt.push(item.id)
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}
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if (item.children && item.children.length > 0) this.confirmEach(item.children)
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})
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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.valueKey],
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name: item[this.labelKey],
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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.childrenKey]) && item[this.childrenKey].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 = [];
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delete parentArr.children
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parentid.push(item[this.valueKey]);
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parentArr.push({
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[this.valueKey]: item[this.valueKey],
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[this.labelKey]: item[this.labelKey]
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})
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this._renderTreeList(item[this.childrenKey], 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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},
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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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}
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}
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})
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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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// 选父级, 子级自动全选
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this.syncChecked(this.treeList, item.id, this.treeList[index].checked)
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if (item.rank > 0) {
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item.parentId.forEach((pid, indexP) => {
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const parent = this.treeList.filter(i => i.id === pid)
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const childNum = parent.length > 0 ? parent[0].childNum : 0
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if (this.childNums[pid] === undefined) {
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this.childNums[pid] = 1
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} else if (this.childNums[pid] < childNum) {
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this.childNums[pid]++
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}
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})
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//子级选择/选满/取消选择, 父级往上同步状态
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this.setAncestors(item.parentId, this.treeList[index].checked)
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}
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this._fixMultiple(index)
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},
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syncChecked(trees, pid, checked) {
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trees.forEach((item, index) => {
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if (item.parentId.includes(pid)) {
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this.treeList[index].checked = checked
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this.syncChecked(trees, item.id, checked)
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} else if (item.children !== undefined) {
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this.syncChecked(item.children, pid, checked)
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}
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})
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},
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setAncestors(pids, checked) {
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this.treeList.forEach((item, index) => {
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if (pids.includes(item.id)) {
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if (checked && this.childNums[item.id] !== undefined && item.childNum === this.childNums[item.id]) {
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// 子级全部选中, 父级才选中
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this.treeList[index].checked = true
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} else {
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this.treeList[index].checked = false
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}
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this.setAncestors(item.parentId, checked)
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}
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})
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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(treeData = this.treeData) {
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this.treeList = [];
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this._renderTreeList(treeData);
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this.$nextTick(() => {
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this._defaultSelect(treeData)
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})
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}
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},
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mounted() {
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console.log('----------next-tree组件完成挂载demo------------')
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this._initTree();
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this.$watch(() => this.treeData, (list) => {
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this._initTree(list);
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}, { deep: true, immediate: true })
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this.$watch(() => [this.multiple, this.selectParent], () => {
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if (this.treeData.length) {
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this._reTreeList();
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}
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}, { deep: true, immediate: true })
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}
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}
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</script>
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<style scoped>
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.next-tree-mask {
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position: fixed;
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top: 0rpx;
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right: 0rpx;
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bottom: 0rpx;
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left: 0rpx;
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z-index: 9998;
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background-color: rgba(0, 0, 0, 0.6);
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opacity: 0;
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transition: all 0.3s ease;
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visibility: hidden;
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}
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.next-tree-mask.show {
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visibility: visible;
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opacity: 1;
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}
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.next-tree-cnt {
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position: fixed;
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top: 0rpx;
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right: 0rpx;
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bottom: 0rpx;
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left: 0rpx;
|
|
z-index: 9999;
|
|
top: 160rpx;
|
|
transition: all 0.3s ease;
|
|
transform: translateY(100%);
|
|
}
|
|
|
|
.next-tree-cnt.show {
|
|
transform: translateY(0);
|
|
}
|
|
|
|
.next-tree-bar {
|
|
background-color: #fff;
|
|
height: 72rpx;
|
|
padding-left: 20rpx;
|
|
padding-right: 20rpx;
|
|
display: flex;
|
|
justify-content: space-between;
|
|
align-items: center;
|
|
box-sizing: border-box;
|
|
border-bottom-width: 1rpx !important;
|
|
border-bottom-style: solid;
|
|
border-bottom-color: #f5f5f5;
|
|
font-size: 32rpx;
|
|
color: #757575;
|
|
line-height: 1;
|
|
}
|
|
|
|
.next-tree-bar-confirm {
|
|
color: #f9ae3d;
|
|
}
|
|
|
|
.next-tree-view {
|
|
position: absolute;
|
|
top: 0rpx;
|
|
right: 0rpx;
|
|
bottom: 0rpx;
|
|
left: 0rpx;
|
|
top: 72rpx;
|
|
background-color: #fff;
|
|
padding-top: 20rpx;
|
|
padding-right: 20rpx;
|
|
padding-bottom: 20rpx;
|
|
padding-left: 20rpx;
|
|
}
|
|
|
|
.next-tree-view-sc {
|
|
height: 100%;
|
|
overflow: hidden;
|
|
}
|
|
|
|
.next-tree-item {
|
|
display: flex;
|
|
justify-content: space-between;
|
|
align-items: center;
|
|
font-size: 26rpx;
|
|
color: #757575;
|
|
line-height: 1;
|
|
height: 0;
|
|
opacity: 0;
|
|
transition: 0.2s;
|
|
position: relative;
|
|
overflow: hidden;
|
|
}
|
|
|
|
.next-tree-item.show {
|
|
height: 80rpx;
|
|
opacity: 1;
|
|
}
|
|
|
|
.next-tree-item.showchild:before {
|
|
transform: rotate(90deg);
|
|
}
|
|
|
|
.next-tree-item.border {
|
|
border-bottom: 1rpx solid rgba(204, 204, 204, 0.2);
|
|
}
|
|
|
|
.next-tree-item.last:before {
|
|
opacity: 0;
|
|
}
|
|
|
|
.next-tree-icon {
|
|
width: 26rpx;
|
|
height: 26rpx;
|
|
margin-right: 8rpx;
|
|
}
|
|
|
|
.next-tree-label {
|
|
flex: 1;
|
|
display: flex;
|
|
align-items: center;
|
|
height: 100%;
|
|
line-height: 1.2;
|
|
}
|
|
|
|
.next-tree-check {
|
|
width: 40px;
|
|
height: 40px;
|
|
display: flex;
|
|
justify-content: center;
|
|
align-items: center;
|
|
}
|
|
|
|
.next-tree-check-yes,
|
|
.next-tree-check-no {
|
|
width: 20px;
|
|
height: 20px;
|
|
border-top-left-radius: 20%;
|
|
border-top-right-radius: 20%;
|
|
border-bottom-right-radius: 20%;
|
|
border-bottom-left-radius: 20%;
|
|
border-top-width: 1rpx;
|
|
border-left-width: 1rpx;
|
|
border-bottom-width: 1rpx;
|
|
border-right-width: 1rpx;
|
|
border-style: solid;
|
|
border-color: #f9ae3d;
|
|
display: flex;
|
|
justify-content: center;
|
|
align-items: center;
|
|
box-sizing: border-box;
|
|
}
|
|
|
|
.next-tree-check-yes-b {
|
|
border-top-left-radius: 20%;
|
|
border-top-right-radius: 20%;
|
|
border-bottom-right-radius: 20%;
|
|
border-bottom-left-radius: 20%;
|
|
background-color: #f9ae3d;
|
|
color: #fff;
|
|
}
|
|
|
|
.next-tree-check-yes-b .icon-text {
|
|
font-size: 14px;
|
|
font-weight: normal;
|
|
font-family: uicon-iconfont;
|
|
display: flex;
|
|
flex-direction: row;
|
|
align-items: center;
|
|
}
|
|
|
|
.next-tree-check .radio {
|
|
border-top-left-radius: 50%;
|
|
border-top-right-radius: 50%;
|
|
border-bottom-right-radius: 50%;
|
|
border-bottom-left-radius: 50%;
|
|
}
|
|
|
|
.next-tree-check .radio .next-tree-check-yes-b {
|
|
border-top-left-radius: 50%;
|
|
border-top-right-radius: 50%;
|
|
border-bottom-right-radius: 50%;
|
|
border-bottom-left-radius: 50%;
|
|
}
|
|
|
|
.hover-c {
|
|
opacity: 0.6;
|
|
}
|
|
</style> |