<template>
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<view class="">
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<view class="content" @click="onClick()">
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<view class="">
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<view class="">
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<view class="" v-if="$slots.title">
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<slot name="title"></slot>
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</view>
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<view class="flex_btw" v-else>
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<view class="title">{{title}}</view>
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<view class='icon' :style="[{transform:isOpen? iconRotate : ''}]">
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<u-icon name="arrow-down" color="#999" size="28rpx"></u-icon>
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</view>
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</view>
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</view>
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<view class="mtb26">
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<view class="cut_line" v-if="isBorder || isBorder==undefined"></view>
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</view>
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<view class="v-collapse" :style="[{ height: isOpen ? collapseHeight + 'px' : '0' }]"
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@click.stop="clickContent()">
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<view class="u-collapse-content" id="ida">
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<view class="" v-if="$slots.cont">
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<slot name="cont"></slot>
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</view>
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<view class="ml80 cont" v-else>
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<view class="">{{content}}</view>
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</view>
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<view class="mtb26">
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<view class="cut_line" v-if="isBorder || isBorder==undefined"></view>
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</view>
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</view>
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</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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/*
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* zh-collapse 折叠面板
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* @property {String} title 面板标题
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* @property {String} content 面板展开内容
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*/
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export default {
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props: {
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title: {
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typeOf: String,
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default: ''
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},
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content: {
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typeOf: String,
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default: ''
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},
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},
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components: {},
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data() {
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return {
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isOpen: false, //是否展开面板
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isBorder: true, //是否显示边框
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iconRotate: '', //旋转右侧图标
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collapseHeight: 0, //获取展开高度
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}
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},
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created() {
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this.collapse = this.getCollapse()
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},
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mounted() {
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if (!this.collapse) return
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if (this.collapse.childrens.indexOf(this) === -1) {
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this.collapse.childrens.push(this)
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}
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this.$nextTick(() => {
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this.collapse.childrens.forEach((item, index) => {
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// console.log(index,item);
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if (item.isOpen) {
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this.iconRotate = 'rotate(180deg)'
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this.collapse.onChange()
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this.queryRect();
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}
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})
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})
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},
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methods: {
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onClick() { //点击展开面板
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this.isOpen = !this.isOpen
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if (this.isOpen && this.collapse) {
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this.collapse.setAccordion(this)
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}
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if (this.isOpen) {
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this.iconRotate = 'rotate(180deg)'
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} else {
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this.iconRotate = ''
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}
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this.collapse.onChange()
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this.queryRect();
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},
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queryRect(e) { // 查询内容高度
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this.$uGetRect('#ida').then(res => {
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this.collapseHeight = res.height;
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})
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},
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$uGetRect(selector, all) { //获取布局节点高度
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return new Promise(resolve => {
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uni.createSelectorQuery().
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in(this)[all ? 'selectAll' : 'select'](selector)
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.boundingClientRect(rect => {
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if (all && Array.isArray(rect) && rect.length) {
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resolve(rect)
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}
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if (!all && rect) {
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resolve(rect)
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}
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})
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.exec()
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})
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},
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toJSON() {},
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/**
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* 获取父元素实例
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*/
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getCollapse(name = 'zhCollapse') {
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let parent = this.$parent;
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let parentName = parent.$options.name;
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while (parentName !== name) {
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parent = parent.$parent;
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if (!parent) return false;
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parentName = parent.$options.name;
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}
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return parent;
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},
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clickContent() { //点击展开内容事件
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let str = ''
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this.collapse.childrens.forEach((item, index) => {
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if (item === this) {
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str = index
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}
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})
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this.$emit('clickContent', str)
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}
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},
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computed: {
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},
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watch: {}
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}
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</script>
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<style lang="scss" scoped>
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.content {
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padding: 24upx 24upx 0 24upx;
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background-color: #fff;
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border: 12upx;
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.title {
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color: #666;
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font-weight: 500;
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font-size: 24upx;
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}
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.icon {
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transition: all 0.4s;
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}
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.titlea {
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color: #999;
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font-size: 24upx;
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}
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.cont {
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color: #909193;
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font-size: 28upx;
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}
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}
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.cut_line {
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height: 1upx;
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background: #EBEBEB;
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}
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.mtb24 {
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margin: 24upx 0;
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}
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.mtb26 {
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margin: 26upx 0;
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}
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.mtb30 {
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margin: 30upx 0;
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}
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.ml80 {
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margin-left: 80upx;
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}
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.flex {
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display: flex;
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}
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.flex1 {
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flex: 1;
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}
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.flex_btw {
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display: flex;
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align-items: center;
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justify-content: space-between;
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}
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.v-collapse {
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height: 0rpx;
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overflow: hidden;
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transition: all 0.4s;
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.u-collapse-content {
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overflow: hidden;
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}
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}
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</style>
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