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402 lines
8.8 KiB
402 lines
8.8 KiB
<template> |
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<view class="uni-collapse-item"> |
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<!-- onClick(!isOpen) --> |
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<view @click="onClick(!isOpen)" class="uni-collapse-item__title" |
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:class="{'is-open':isOpen &&titleBorder === 'auto' ,'uni-collapse-item-border':titleBorder !== 'none'}"> |
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<view class="uni-collapse-item__title-wrap"> |
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<slot name="title"> |
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<view class="uni-collapse-item__title-box" :class="{'is-disabled':disabled}"> |
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<image v-if="thumb" :src="thumb" class="uni-collapse-item__title-img" /> |
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<text class="uni-collapse-item__title-text">{{ title }}</text> |
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</view> |
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</slot> |
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</view> |
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<view v-if="showArrow" |
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:class="{ 'uni-collapse-item__title-arrow-active': isOpen, 'uni-collapse-item--animation': showAnimation === true }" |
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class="uni-collapse-item__title-arrow"> |
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<uni-icons :color="disabled?'#ddd':'#bbb'" size="14" type="bottom" /> |
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</view> |
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</view> |
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<view class="uni-collapse-item__wrap" :class="{'is--transition':showAnimation}" |
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:style="{height: (isOpen?height:0) +'px'}"> |
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<view :id="elId" ref="collapse--hook" class="uni-collapse-item__wrap-content" |
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:class="{open:isheight,'uni-collapse-item--border':border&&isOpen}"> |
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<slot></slot> |
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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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// #ifdef APP-NVUE |
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const dom = weex.requireModule('dom') |
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// #endif |
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/** |
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* CollapseItem 折叠面板子组件 |
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* @description 折叠面板子组件 |
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* @property {String} title 标题文字 |
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* @property {String} thumb 标题左侧缩略图 |
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* @property {String} name 唯一标志符 |
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* @property {Boolean} open = [true|false] 是否展开组件 |
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* @property {Boolean} titleBorder = [true|false] 是否显示标题分隔线 |
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* @property {Boolean} border = [true|false] 是否显示分隔线 |
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* @property {Boolean} disabled = [true|false] 是否展开面板 |
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* @property {Boolean} showAnimation = [true|false] 开启动画 |
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* @property {Boolean} showArrow = [true|false] 是否显示右侧箭头 |
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*/ |
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export default { |
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name: 'uniCollapseItem', |
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props: { |
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// 列表标题 |
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title: { |
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type: String, |
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default: '' |
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}, |
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name: { |
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type: [Number, String], |
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default: '' |
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}, |
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// 是否禁用 |
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disabled: { |
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type: Boolean, |
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default: false |
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}, |
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// #ifdef APP-PLUS |
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// 是否显示动画,app 端默认不开启动画，卡顿严重 |
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showAnimation: { |
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type: Boolean, |
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default: false |
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}, |
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// #endif |
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// #ifndef APP-PLUS |
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// 是否显示动画 |
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showAnimation: { |
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type: Boolean, |
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default: true |
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}, |
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// #endif |
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// 是否展开 |
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open: { |
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type: Boolean, |
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default: false |
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}, |
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// 缩略图 |
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thumb: { |
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type: String, |
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default: '' |
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}, |
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// 标题分隔线显示类型 |
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titleBorder: { |
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type: String, |
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default: 'auto' |
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}, |
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border: { |
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type: Boolean, |
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default: true |
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}, |
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showArrow: { |
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type: Boolean, |
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default: true |
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} |
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}, |
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data() { |
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// TODO 随机生生元素ID，解决百度小程序获取同一个元素位置信息的bug |
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const elId = `Uni_${Math.ceil(Math.random() * 10e5).toString(36)}` |
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return { |
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isOpen: false, |
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isheight: null, |
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height: 0, |
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elId, |
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nameSync: 0 |
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} |
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}, |
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watch: { |
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open(val) { |
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this.isOpen = val |
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this.onClick(val, 'init') |
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} |
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}, |
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updated(e) { |
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this.$nextTick(() => { |
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this.init(true) |
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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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this.oldHeight = 0 |
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this.onClick(this.open, 'init') |
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}, |
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// #ifndef VUE3 |
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// TODO vue2 |
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destroyed() { |
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if (this.__isUnmounted) return |
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this.uninstall() |
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}, |
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// #endif |
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// #ifdef VUE3 |
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// TODO vue3 |
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unmounted() { |
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this.__isUnmounted = true |
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this.uninstall() |
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}, |
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// #endif |
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mounted() { |
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if (!this.collapse) return |
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if (this.name !== '') { |
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this.nameSync = this.name |
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} else { |
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this.nameSync = this.collapse.childrens.length + '' |
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} |
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if (this.collapse.names.indexOf(this.nameSync) === -1) { |
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this.collapse.names.push(this.nameSync) |
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} else { |
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console.warn(`name 值 ${this.nameSync} 重复`); |
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} |
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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.init() |
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}, |
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methods: { |
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init(type) { |
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// #ifndef APP-NVUE |
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this.getCollapseHeight(type) |
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// #endif |
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// #ifdef APP-NVUE |
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this.getNvueHwight(type) |
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// #endif |
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}, |
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uninstall() { |
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if (this.collapse) { |
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this.collapse.childrens.forEach((item, index) => { |
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if (item === this) { |
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this.collapse.childrens.splice(index, 1) |
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} |
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}) |
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this.collapse.names.forEach((item, index) => { |
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if (item === this.nameSync) { |
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this.collapse.names.splice(index, 1) |
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} |
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}) |
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} |
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}, |
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onClick(isOpen, type) { |
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if (this.disabled) return |
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this.isOpen = 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 (type !== 'init') { |
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this.collapse.onChange(isOpen, this) |
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} |
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}, |
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getCollapseHeight(type, index = 0) { |
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const views = uni.createSelectorQuery().in(this) |
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views |
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.select(`#${this.elId}`) |
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.fields({ |
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size: true |
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}, data => { |
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// TODO 百度中可能获取不到节点信息 ，需要循环获取 |
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if (index >= 10) return |
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if (!data) { |
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index++ |
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this.getCollapseHeight(false, index) |
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return |
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} |
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// #ifdef APP-NVUE |
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this.height = data.height + 1 |
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// #endif |
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// #ifndef APP-NVUE |
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this.height = data.height |
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// #endif |
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this.isheight = true |
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if (type) return |
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this.onClick(this.isOpen, 'init') |
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}) |
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.exec() |
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}, |
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getNvueHwight(type) { |
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const result = dom.getComponentRect(this.$refs['collapse--hook'], option => { |
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if (option && option.result && option.size) { |
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// #ifdef APP-NVUE |
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this.height = option.size.height + 1 |
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// #endif |
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// #ifndef APP-NVUE |
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this.height = option.size.height |
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// #endif |
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this.isheight = true |
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if (type) return |
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this.onClick(this.open, 'init') |
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} |
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}) |
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}, |
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/** |
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* 获取父元素实例 |
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*/ |
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getCollapse(name = 'uniCollapse') { |
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let parent = this.$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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} |
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} |
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</script> |
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<style lang="scss"> |
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.uni-collapse-item { |
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/* #ifndef APP-NVUE */ |
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box-sizing: border-box; |
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/* #endif */ |
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&__title { |
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/* #ifndef APP-NVUE */ |
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display: flex; |
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width: 100%; |
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box-sizing: border-box; |
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/* #endif */ |
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flex-direction: row; |
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align-items: center; |
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transition: border-bottom-color .3s; |
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// transition-property: border-bottom-color; |
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// transition-duration: 5s; |
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&-wrap { |
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width: 100%; |
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flex: 1; |
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} |
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&-box { |
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padding: 0 15px; |
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/* #ifndef APP-NVUE */ |
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display: flex; |
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width: 100%; |
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box-sizing: border-box; |
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/* #endif */ |
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flex-direction: row; |
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justify-content: space-between; |
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align-items: center; |
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height: 48px; |
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line-height: 48px; |
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background-color: #fff; |
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color: #303133; |
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font-size: 13px; |
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font-weight: 500; |
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/* #ifdef H5 */ |
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cursor: pointer; |
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outline: none; |
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/* #endif */ |
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&.is-disabled { |
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.uni-collapse-item__title-text { |
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color: #999; |
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} |
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} |
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} |
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&.uni-collapse-item-border { |
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border-bottom: 1px solid #ebeef5; |
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} |
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&.is-open { |
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border-bottom-color: transparent; |
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} |
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&-img { |
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height: 22px; |
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width: 22px; |
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margin-right: 10px; |
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} |
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&-text { |
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flex: 1; |
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font-size: 14px; |
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/* #ifndef APP-NVUE */ |
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white-space: nowrap; |
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color: inherit; |
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/* #endif */ |
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/* #ifdef APP-NVUE */ |
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lines: 1; |
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/* #endif */ |
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overflow: hidden; |
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text-overflow: ellipsis; |
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} |
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&-arrow { |
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/* #ifndef APP-NVUE */ |
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display: flex; |
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box-sizing: border-box; |
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/* #endif */ |
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align-items: center; |
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justify-content: center; |
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width: 20px; |
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height: 20px; |
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margin-right: 10px; |
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transform: rotate(0deg); |
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&-active { |
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transform: rotate(-180deg); |
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} |
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} |
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} |
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&__wrap { |
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/* #ifndef APP-NVUE */ |
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will-change: height; |
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box-sizing: border-box; |
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/* #endif */ |
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background-color: #fff; |
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overflow: hidden; |
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position: relative; |
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height: 0; |
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&.is--transition { |
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// transition: all 0.3s; |
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transition-property: height, border-bottom-width; |
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transition-duration: 0.3s; |
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/* #ifndef APP-NVUE */ |
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will-change: height; |
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/* #endif */ |
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} |
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&-content { |
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position: absolute; |
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font-size: 13px; |
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color: #303133; |
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// transition: height 0.3s; |
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border-bottom-color: transparent; |
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border-bottom-style: solid; |
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border-bottom-width: 0; |
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&.uni-collapse-item--border { |
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border-bottom-width: 1px; |
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border-bottom-color: red; |
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border-bottom-color: #ebeef5; |
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} |
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&.open { |
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position: relative; |
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} |
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} |
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} |
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&--animation { |
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transition-property: transform; |
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transition-duration: 0.3s; |
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transition-timing-function: ease; |
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} |
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} |
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</style>
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