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@ -1,146 +1,127 @@
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<template>
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<view class="u-drawdown-item">
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<u-overlay
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customStyle="top: 126px"
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:show="show"
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:closeOnClickOverlay="closeOnClickOverlay"
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@click="overlayClick"
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></u-overlay>
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<view
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class="u-drawdown-item__content"
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:style="[style]"
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:animation="animationData"
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ref="animation"
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>
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<slot />
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</view>
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</view>
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<view class="u-drawdown">
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<view
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class="u-dropdown__menu"
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:style="{
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height: $u.addUnit(height)
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}"
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ref="u-dropdown__menu"
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>
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<view
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class="u-dropdown__menu__item"
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v-for="(item, index) in menuList"
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:key="index"
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@tap.stop="clickHandler(item, index)"
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>
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<view class="u-dropdown__menu__item__content">
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<text
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class="u-dropdown__menu__item__content__text"
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:style="[index === current ? activeStyle : inactiveStyle]"
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>{{item.title}}</text>
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<view
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class="u-dropdown__menu__item__content__arrow"
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:class="[index === current && 'u-dropdown__menu__item__content__arrow--rotate']"
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>
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<u-icon
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:name="menuIcon"
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:size="$u.addUnit(menuIconSize)"
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></u-icon>
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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 class="u-dropdown__content">
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<slot />
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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 animation = uni.requireNativePlugin('animation')
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const dom = uni.requireNativePlugin('dom')
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// #endif
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import props from './props.js';
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/**
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* Drawdownitem
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* @description
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* @tutorial url
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* @property {String}
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* @event {Function}
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* @example
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*/
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export default {
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name: 'u-drawdown-item',
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mixins: [uni.$u.mpMixin, uni.$u.mixin, props],
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data() {
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return {
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show: false,
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top: '126px',
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// uni.createAnimation的导出数据
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animationData: {},
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}
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},
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mounted() {
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this.init()
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},
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watch: {
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// 发生变化时，需要去更新父组件对应的值
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dataChange(newValue, oldValue) {
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this.updateParentData()
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}
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},
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computed: {
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// 监听对应变量的变化
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dataChange() {
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return [this.title, this.disabled]
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},
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style() {
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const style = {
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zIndex: 10071,
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position: 'fixed',
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display: 'flex',
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left: 0,
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right: 0
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}
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style.top = uni.$u.addUnit(this.top)
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return style
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}
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},
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methods: {
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init() {
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this.updateParentData()
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},
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// 更新父组件所需的数据
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updateParentData() {
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// 获取父组件u-dropdown
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this.getParentData('u-dropdown')
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if (!this.parent) uni.$u.error('u-dropdown-item必须配合u-dropdown使用')
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// 查找父组件menuList数组中对应的标题数据
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const menuIndex = this.parent.menuList.findIndex(item => item.title === this.title)
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const menuContent = {
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title: this.title,
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disabled: this.disabled
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}
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if (menuIndex >= 0) {
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// 如果能找到，则直接修改
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this.parent.menuList[menuIndex] = menuContent;
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} else {
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// 如果无法找到，则为第一次添加，直接push即可
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this.parent.menuList.push(menuContent);
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}
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},
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async setContentAnimate(height) {
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this.animating = true
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// #ifdef APP-NVUE
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const ref = this.$refs['animation'].ref
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animation.transition(ref, {
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styles: {
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height: uni.$u.addUnit(height)
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},
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duration: this.duration,
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timingFunction: 'ease-in-out',
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}, () => {
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this.animating = false
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})
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// #endif
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// #ifndef APP-NVUE
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const animation = uni.createAnimation({
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timingFunction: 'ease-in-out',
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});
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animation
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.height(height)
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.step({
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duration: this.duration,
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})
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.step()
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// 导出动画数据给面板的animationData值
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this.animationData = animation.export()
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// 标识动画结束
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uni.$u.sleep(this.duration).then(() => {
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this.animating = false
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})
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// #endif
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},
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overlayClick() {
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this.show = false
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this.setContentAnimate(0)
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}
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},
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}
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import props from './props.js';
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/**
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* Dropdown
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* @description
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* @tutorial url
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* @property {String}
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* @event {Function}
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* @example
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*/
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export default {
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name: 'u-dropdown',
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mixins: [uni.$u.mixin, props],
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data() {
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return {
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// <EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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menuList: [],
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current: 0
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}
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},
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computed: {
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},
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created() {
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// <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(u-dropdown-item)<EFBFBD><EFBFBD>this<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>data<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ö<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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this.children = [];
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},
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methods: {
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clickHandler(item, index) {
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this.children.map(child => {
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if(child.title === item.title) {
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// this.queryRect('u-dropdown__menu').then(size => {
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child.$emit('click')
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child.setContentAnimate(child.show ? 0 : 300)
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child.show = !child.show
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// })
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} else {
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child.show = false
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child.setContentAnimate(0)
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}
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})
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},
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// <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>ǩ<EFBFBD>ijߴ<EFBFBD>λ<EFBFBD><EFBFBD>
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queryRect(el) {
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// #ifndef APP-NVUE
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// $uGetRectΪuView<EFBFBD>Դ<EFBFBD><EFBFBD>Ľڵ<EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD>https://www.uviewui.com/js/getRect.html
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// <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>this.$uGetRect<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊthis.$u.getRect<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߹<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>£<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ʋ<EFBFBD>ͬ
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return new Promise(resolve => {
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this.$uGetRect(`.${el}`).then(size => {
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resolve(size)
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})
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})
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// #endif
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// #ifdef APP-NVUE
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// nvue<EFBFBD>£<EFBFBD>ʹ<EFBFBD><EFBFBD>domģ<EFBFBD><EFBFBD><EFBFBD>ѯԪ<EFBFBD>ظ߶<EFBFBD>
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// <EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>promise<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD>ô˷<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD>then<EFBFBD>ص<EFBFBD>
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return new Promise(resolve => {
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dom.getComponentRect(this.$refs[el], res => {
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resolve(res.size)
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})
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})
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// #endif
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},
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},
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}
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</script>
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<style lang="scss" scoped>
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@import '../../libs/css/components.scss';
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.u-drawdown-item {
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&__content {
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background-color: #FFFFFF;
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overflow: hidden;
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height: 0;
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}
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}
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<style lang="scss">
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@import '../../libs/css/components.scss';
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.u-dropdown {
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&__menu {
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@include flex;
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&__item {
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flex: 1;
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@include flex;
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justify-content: center;
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&__content {
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@include flex;
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align-items: center;
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}
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}
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}
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}
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</style>
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sfmind
3 years ago