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多模块重构 12:修改项目名字,按照新的规则
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@ -0,0 +1,76 @@
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export default {
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props: {
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// 控制是否出现滚动条,仅nvue有效
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showScrollbar: {
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type: Boolean,
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default: uni.$u.props.list.showScrollbar
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},
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// 距底部多少时触发scrolltolower事件
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lowerThreshold: {
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type: [String, Number],
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default: uni.$u.props.list.lowerThreshold
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},
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// 距顶部多少时触发scrolltoupper事件,非nvue有效
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upperThreshold: {
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type: [String, Number],
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default: uni.$u.props.list.upperThreshold
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},
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// 设置竖向滚动条位置
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scrollTop: {
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type: [String, Number],
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default: uni.$u.props.list.scrollTop
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},
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// 控制 onscroll 事件触发的频率,仅nvue有效
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offsetAccuracy: {
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type: [String, Number],
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default: uni.$u.props.list.offsetAccuracy
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},
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// 启用 flexbox 布局。开启后,当前节点声明了display: flex就会成为flex container,并作用于其孩子节点,仅微信小程序有效
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enableFlex: {
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type: Boolean,
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default: uni.$u.props.list.enableFlex
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},
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// 是否按分页模式显示List,默认值false
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pagingEnabled: {
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type: Boolean,
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default: uni.$u.props.list.pagingEnabled
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},
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// 是否允许List滚动
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scrollable: {
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type: Boolean,
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default: uni.$u.props.list.scrollable
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},
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// 值应为某子元素id(id不能以数字开头)
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scrollIntoView: {
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type: String,
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default: uni.$u.props.list.scrollIntoView
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},
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// 在设置滚动条位置时使用动画过渡
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scrollWithAnimation: {
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type: Boolean,
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default: uni.$u.props.list.scrollWithAnimation
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},
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// iOS点击顶部状态栏、安卓双击标题栏时,滚动条返回顶部,只对微信小程序有效
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enableBackToTop: {
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type: Boolean,
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default: uni.$u.props.list.enableBackToTop
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},
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// 列表的高度
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height: {
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type: [String, Number],
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default: uni.$u.props.list.height
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},
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// 列表宽度
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width: {
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type: [String, Number],
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default: uni.$u.props.list.width
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},
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// 列表前后预渲染的屏数,1代表一个屏幕的高度,1.5代表1个半屏幕高度
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preLoadScreen: {
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type: [String, Number],
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default: uni.$u.props.list.preLoadScreen
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}
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// vue下,是否开启虚拟列表
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}
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}
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@ -0,0 +1,159 @@
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<template>
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<!-- #ifdef APP-NVUE -->
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<list
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class="u-list"
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:enableBackToTop="enableBackToTop"
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:loadmoreoffset="lowerThreshold"
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:showScrollbar="showScrollbar"
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:style="[listStyle]"
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:offset-accuracy="Number(offsetAccuracy)"
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@scroll="onScroll"
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@loadmore="scrolltolower"
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>
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<slot />
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</list>
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<!-- #endif -->
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<!-- #ifndef APP-NVUE -->
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<scroll-view
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class="u-list"
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:scroll-into-view="scrollIntoView"
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:style="[listStyle]"
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scroll-y
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:scroll-top="Number(scrollTop)"
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:lower-threshold="Number(lowerThreshold)"
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:upper-threshold="Number(upperThreshold)"
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:show-scrollbar="Number(showScrollbar)"
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:enable-back-to-top="enableBackToTop"
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:scroll-with-animation="scrollWithAnimation"
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@scroll="onScroll"
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@scrolltolower="scrolltolower"
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@scrolltoupper="scrolltoupper"
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>
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<view :style="{
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paddingTop: `${offset}px`
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}">
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<slot />
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</view>
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</scroll-view>
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<!-- #endif -->
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</template>
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<script>
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import props from './props.js';
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// #ifdef APP-NVUE
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const dom = uni.requireNativePlugin('dom')
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// #endif
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/**
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* List 列表
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* @description 该组件为高性能列表组件
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* @tutorial https://www.uviewui.com/components/list.html
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* @property {Boolean} showScrollbar 控制是否出现滚动条,仅nvue有效 (默认 false )
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* @property {String | Number} lowerThreshold 距底部多少时触发scrolltolower事件 (默认 50 )
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* @property {String | Number} upperThreshold 距顶部多少时触发scrolltoupper事件,非nvue有效 (默认 0 )
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* @property {String | Number} scrollTop 设置竖向滚动条位置(默认 0 )
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* @property {String | Number} offsetAccuracy 控制 onscroll 事件触发的频率,仅nvue有效(默认 10 )
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* @property {Boolean} enableFlex 启用 flexbox 布局。开启后,当前节点声明了display: flex就会成为flex container,并作用于其孩子节点,仅微信小程序有效(默认 false )
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* @property {Boolean} pagingEnabled 是否按分页模式显示List,(默认 false )
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* @property {Boolean} scrollable 是否允许List滚动(默认 true )
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* @property {String} scrollIntoView 值应为某子元素id(id不能以数字开头)
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* @property {Boolean} scrollWithAnimation 在设置滚动条位置时使用动画过渡 (默认 false )
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* @property {Boolean} enableBackToTop iOS点击顶部状态栏、安卓双击标题栏时,滚动条返回顶部,只对微信小程序有效 (默认 false )
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* @property {String | Number} height 列表的高度 (默认 0 )
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* @property {String | Number} width 列表宽度 (默认 0 )
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* @property {String | Number} preLoadScreen 列表前后预渲染的屏数,1代表一个屏幕的高度,1.5代表1个半屏幕高度 (默认 1 )
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* @property {Object} customStyle 定义需要用到的外部样式
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*
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* @example <u-list @scrolltolower="scrolltolower"></u-list>
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*/
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export default {
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name: 'u-list',
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mixins: [uni.$u.mpMixin, uni.$u.mixin,props],
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watch: {
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scrollIntoView(n) {
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this.scrollIntoViewById(n)
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}
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},
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data() {
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return {
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// 记录内部滚动的距离
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innerScrollTop: 0,
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// vue下,scroll-view在上拉加载时的偏移值
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offset: 0,
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sys: uni.$u.sys()
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}
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},
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computed: {
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listStyle() {
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const style = {},
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addUnit = uni.$u.addUnit
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if (this.width != 0) style.width = addUnit(this.width)
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if (this.height != 0) style.height = addUnit(this.height)
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// 如果没有定义列表高度,则默认使用屏幕高度
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if (!style.height) style.height = addUnit(this.sys.windowHeight)
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return uni.$u.deepMerge(style, uni.$u.addStyle(this.customStyle))
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}
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},
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provide() {
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return {
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uList: this
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}
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},
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created() {
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this.refs = []
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this.children = []
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this.anchors = []
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},
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mounted() {},
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methods: {
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updateOffsetFromChild(top) {
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this.offset = top
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},
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onScroll(e) {
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let scrollTop = 0
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// #ifdef APP-NVUE
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scrollTop = e.contentOffset.y
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// #endif
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// #ifndef APP-NVUE
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scrollTop = e.detail.scrollTop
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// #endif
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this.innerScrollTop = scrollTop
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this.$emit('scroll', Math.abs(scrollTop))
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},
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scrollIntoViewById(id) {
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// #ifdef APP-NVUE
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// 根据id参数,找到所有u-list-item中匹配的节点,再通过dom模块滚动到对应的位置
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const item = this.refs.find(item => item.$refs[id] ? true : false)
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dom.scrollToElement(item.$refs[id], {
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// 是否需要滚动动画
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animated: this.scrollWithAnimation
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})
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// #endif
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},
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// 滚动到底部触发事件
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scrolltolower(e) {
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uni.$u.sleep(30).then(() => {
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this.$emit('scrolltolower')
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})
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},
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// #ifndef APP-NVUE
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// 滚动到底部时触发,非nvue有效
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scrolltoupper(e) {
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uni.$u.sleep(30).then(() => {
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this.$emit('scrolltolower')
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// 这一句很重要,能绝对保证在性功能障碍的webview,滚动条到顶时,取消偏移值,让页面置顶
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this.offset = 0
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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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</script>
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<style lang="scss" scoped>
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@import "../../libs/css/components.scss";
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.u-list {
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@include flex(column);
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}
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</style>
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