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<template>
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<view
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class="u-notice"
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@tap="clickHandler"
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>
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<slot name="icon">
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<view
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class="u-notice__left-icon"
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v-if="icon"
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>
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<u-icon
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:name="icon"
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:color="color"
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size="19"
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></u-icon>
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</view>
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</slot>
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<swiper
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:disable-touch="disableTouch"
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:vertical="step ? false : true"
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circular
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:interval="duration"
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:autoplay="true"
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class="u-notice__swiper"
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@change="noticeChange"
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>
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<swiper-item
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v-for="(item, index) in text"
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:key="index"
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class="u-notice__swiper__item"
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>
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<text
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class="u-notice__swiper__item__text u-line-1"
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:style="[textStyle]"
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>{{ item }}</text>
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</swiper-item>
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</swiper>
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<view
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class="u-notice__right-icon"
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v-if="['link', 'closable'].includes(mode)"
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>
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<u-icon
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v-if="mode === 'link'"
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name="arrow-right"
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:size="17"
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:color="color"
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></u-icon>
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<u-icon
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v-if="mode === 'closable'"
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name="close"
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:size="16"
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:color="color"
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@click="close"
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></u-icon>
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</view>
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</view>
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</template>
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<script>
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import { props } from './props';
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import { mpMixin } from '../../libs/mixin/mpMixin';
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import { mixin } from '../../libs/mixin/mixin';
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import { addUnit, error } from '../../libs/function/index';
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import test from '../../libs/function/test';
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/**
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* ColumnNotice 滚动通知中的垂直滚动 内部组件
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* @description 该组件用于滚动通告场景，是其中的垂直滚动方式
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* @tutorial https://ijry.github.io/uview-plus/components/noticeBar.html
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* @property {Array} text 显示的内容，字符串
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* @property {String} icon 是否显示左侧的音量图标 （ 默认 'volume' ）
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* @property {String} mode 通告模式，link-显示右箭头，closable-显示右侧关闭图标
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* @property {String} color 文字颜色，各图标也会使用文字颜色 （ 默认 '#f9ae3d' ）
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* @property {String} bgColor 背景颜色 （ 默认 '#fdf6ec' ）
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* @property {String | Number} fontSize 字体大小，单位px （ 默认 14 ）
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* @property {String | Number} speed 水平滚动时的滚动速度，即每秒滚动多少px(rpx)，这有利于控制文字无论多少时，都能有一个恒定的速度 （ 默认 80 ）
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* @property {Boolean} step direction = row时，是否使用步进形式滚动 （ 默认 false ）
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* @property {String | Number} duration 滚动一个周期的时间长，单位ms （ 默认 1500 ）
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* @property {Boolean} disableTouch 是否禁止用手滑动切换 目前HX2.6.11，只支持App 2.5.5+、H5 2.5.5+、支付宝小程序、字节跳动小程序 （ 默认 true ）
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* @example
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*/
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export default {
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mixins: [mpMixin, mixin, props],
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watch: {
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text: {
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immediate: true,
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handler(newValue, oldValue) {
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if(!test.array(newValue)) {
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error('noticebar组件direction为column时，要求text参数为数组形式')
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}
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}
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}
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},
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computed: {
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// 文字内容的样式
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textStyle() {
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let style = {}
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style.color = this.color
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style.fontSize = addUnit(this.fontSize)
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return style
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},
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// 垂直或者水平滚动
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vertical() {
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if (this.mode == 'horizontal') return false
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else return true
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},
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},
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data() {
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return {
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index:0
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}
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},
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emits: ["click", "close"],
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methods: {
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noticeChange(e){
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this.index = e.detail.current
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},
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// 点击通告栏
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clickHandler() {
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this.$emit('click', this.index)
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},
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// 点击关闭按钮
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close() {
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this.$emit('close')
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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-notice {
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@include flex;
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align-items: center;
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justify-content: space-between;
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&__left-icon {
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align-items: center;
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margin-right: 5px;
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}
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&__right-icon {
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margin-left: 5px;
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align-items: center;
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}
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&__swiper {
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height: 16px;
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@include flex;
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align-items: center;
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flex: 1;
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&__item {
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@include flex;
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align-items: center;
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overflow: hidden;
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&__text {
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font-size: 14px;
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color: $u-warning;
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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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