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363 lines
8.3 KiB
363 lines
8.3 KiB
<template> |
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<view class="uni-pagination"> |
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<!-- #ifndef APP-NVUE --> |
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<view class="uni-pagination__total is-phone-hide">共 {{ total }} 条</view> |
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<!-- #endif --> |
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<view class="uni-pagination__btn" :class="currentIndex === 1 ? 'uni-pagination--disabled' : 'uni-pagination--enabled'" :hover-class="currentIndex === 1 ? '' : 'uni-pagination--hover'" :hover-start-time="20" :hover-stay-time="70" @click="clickLeft"> |
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<template v-if="showIcon === true || showIcon === 'true'"> |
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<uni-icons color="#666" size="16" type="arrowleft" /> |
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</template> |
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<template v-else> |
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<text class="uni-pagination__child-btn">{{ prevText }}</text> |
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</template> |
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</view> |
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<view class="uni-pagination__num uni-pagination__num-flex-none"> |
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<view class="uni-pagination__num-current"> |
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<text class="uni-pagination__num-current-text is-pc-hide" style="color:#409EFF">{{ currentIndex }}</text> |
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<text class="uni-pagination__num-current-text is-pc-hide">/{{ maxPage || 0 }}</text> |
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<!-- #ifndef APP-NVUE --> |
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<view v-for="(item, index) in paper" :key="index" :class="{ 'page--active': item === currentIndex }" class="uni-pagination__num-tag tag--active is-phone-hide" @click.top="selectPage(item, index)"> |
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<text>{{ item }}</text> |
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</view> |
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<!-- #endif --> |
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</view> |
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</view> |
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<view class="uni-pagination__btn" :class="currentIndex >= maxPage ? 'uni-pagination--disabled' : 'uni-pagination--enabled'" :hover-class="currentIndex === maxPage ? '' : 'uni-pagination--hover'" :hover-start-time="20" :hover-stay-time="70" @click="clickRight"> |
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<template v-if="showIcon === true || showIcon === 'true'"> |
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<uni-icons color="#666" size="16" type="arrowright" /> |
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</template> |
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<template v-else> |
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<text class="uni-pagination__child-btn">{{ nextText }}</text> |
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</template> |
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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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* Pagination 分页器 |
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* @description 分页器组件，用于展示页码、请求数据等 |
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* @tutorial https://ext.dcloud.net.cn/plugin?id=32 |
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* @property {String} prevText 左侧按钮文字 |
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* @property {String} nextText 右侧按钮文字 |
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* @property {Number} current 当前页 |
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* @property {Number} total 数据总量 |
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* @property {Number} pageSize 每页数据量 |
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* @property {Number} showIcon = [true|false] 是否以 icon 形式展示按钮 |
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* @event {Function} change 点击页码按钮时触发 ,e={type,current} current为当前页，type值为：next/prev，表示点击的是上一页还是下一个 |
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*/ |
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export default { |
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name: 'UniPagination', |
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props: { |
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value: { |
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type: [Number, String], |
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default: 1 |
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}, |
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prevText: { |
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type: String, |
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default: '上一页' |
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}, |
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nextText: { |
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type: String, |
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default: '下一页' |
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}, |
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current: { |
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type: [Number, String], |
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default: 1 |
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}, |
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total: { |
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// 数据总量 |
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type: [Number, String], |
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default: 0 |
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}, |
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pageSize: { |
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// 每页数据量 |
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type: [Number, String], |
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default: 10 |
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}, |
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showIcon: { |
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// 是否以 icon 形式展示按钮 |
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type: [Boolean, String], |
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default: false |
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}, |
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pagerCount: { |
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type: Number, |
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default: 7 |
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} |
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}, |
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data() { |
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return { |
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currentIndex: 1, |
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paperData: [] |
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} |
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}, |
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computed: { |
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maxPage() { |
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let maxPage = 1 |
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let total = Number(this.total) |
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let pageSize = Number(this.pageSize) |
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if (total && pageSize) { |
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maxPage = Math.ceil(total / pageSize) |
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} |
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return maxPage |
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}, |
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paper() { |
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const num = this.currentIndex |
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// TODO 最大页数 |
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const pagerCount = this.pagerCount |
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// const total = 181 |
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const total = this.total |
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const pageSize = this.pageSize |
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let totalArr = [] |
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let showPagerArr = [] |
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let pagerNum = Math.ceil(total / pageSize) |
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for (let i = 0; i < pagerNum; i++) { |
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totalArr.push(i + 1) |
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} |
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showPagerArr.push(1) |
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const totalNum = totalArr[totalArr.length - (pagerCount + 1) / 2] |
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totalArr.forEach((item, index) => { |
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if ((pagerCount + 1) / 2 >= num) { |
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if (item < pagerCount + 1 && item > 1) { |
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showPagerArr.push(item) |
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} |
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} else if (num + 2 <= totalNum) { |
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if (item > num - (pagerCount + 1) / 2 && item < num + (pagerCount + 1) / 2) { |
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showPagerArr.push(item) |
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} |
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} else { |
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if ((item > num - (pagerCount + 1) / 2 || pagerNum - pagerCount < item) && item < totalArr[totalArr.length - 1]) { |
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showPagerArr.push(item) |
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} |
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} |
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}) |
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if (pagerNum > pagerCount) { |
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if ((pagerCount + 1) / 2 >= num) { |
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showPagerArr[showPagerArr.length - 1] = '...' |
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} else if (num + 2 <= totalNum) { |
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showPagerArr[1] = '...' |
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showPagerArr[showPagerArr.length - 1] = '...' |
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} else { |
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showPagerArr[1] = '...' |
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} |
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showPagerArr.push(totalArr[totalArr.length - 1]) |
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} else { |
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if ((pagerCount + 1) / 2 >= num) {} else if (num + 2 <= totalNum) {} else { |
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showPagerArr.shift() |
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showPagerArr.push(totalArr[totalArr.length - 1]) |
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} |
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} |
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return showPagerArr |
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} |
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}, |
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watch: { |
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current(val) { |
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this.currentIndex = val |
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}, |
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value(val) { |
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if (val < 1) { |
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this.currentIndex = 1 |
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} else { |
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this.currentIndex = val |
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} |
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} |
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}, |
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created() { |
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this.currentIndex = +this.value |
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}, |
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methods: { |
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// 选择标签 |
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selectPage(e, index) { |
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if (parseInt(e)) { |
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this.currentIndex = e |
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this.change('current') |
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} else { |
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let pagerNum = Math.ceil(this.total / this.pageSize) |
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// let pagerNum = Math.ceil(181 / this.pageSize) |
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// 上一页 |
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if (index <= 1) { |
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if (this.currentIndex - 5 > 1) { |
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this.currentIndex -= 5 |
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} else { |
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this.currentIndex = 1 |
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} |
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return |
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} |
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// 下一页 |
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if (index >= 6) { |
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if (this.currentIndex + 5 > pagerNum) { |
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this.currentIndex = pagerNum |
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} else { |
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this.currentIndex += 5 |
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} |
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return |
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} |
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} |
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}, |
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clickLeft() { |
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if (Number(this.currentIndex) === 1) { |
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return |
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} |
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this.currentIndex -= 1 |
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this.change('prev') |
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}, |
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clickRight() { |
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if (Number(this.currentIndex) >= this.maxPage) { |
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return |
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} |
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this.currentIndex += 1 |
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this.change('next') |
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}, |
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change(e) { |
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this.$emit('input', this.currentIndex) |
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this.$emit('change', { |
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type: e, |
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current: this.currentIndex |
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}) |
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} |
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} |
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} |
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</script> |
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<style scoped> |
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.uni-pagination { |
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/* #ifndef APP-NVUE */ |
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display: flex; |
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/* #endif */ |
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position: relative; |
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overflow: hidden; |
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flex-direction: row; |
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justify-content: center; |
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align-items: center; |
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} |
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.uni-pagination__total { |
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font-size: 14px; |
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color: #999; |
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margin-right: 15px; |
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} |
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.uni-pagination__btn { |
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/* #ifndef APP-NVUE */ |
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display: flex; |
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cursor: pointer; |
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/* #endif */ |
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padding: 0 8px; |
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line-height: 30px; |
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font-size: 14px; |
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position: relative; |
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background-color: #f4f4f5; |
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flex-direction: row; |
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justify-content: center; |
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align-items: center; |
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text-align: center; |
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} |
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.uni-pagination__child-btn { |
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/* #ifndef APP-NVUE */ |
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display: flex; |
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/* #endif */ |
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font-size: 14px; |
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position: relative; |
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flex-direction: row; |
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justify-content: center; |
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align-items: center; |
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text-align: center; |
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} |
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.uni-pagination__num { |
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/* #ifndef APP-NVUE */ |
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display: flex; |
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/* #endif */ |
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flex: 1; |
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flex-direction: row; |
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justify-content: center; |
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align-items: center; |
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height: 30px; |
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line-height: 30px; |
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font-size: 14px; |
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color: #333; |
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margin: 0 5px; |
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} |
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.uni-pagination__num-tag { |
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/* #ifdef H5 */ |
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cursor: pointer; |
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min-width: 30px; |
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/* #endif */ |
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margin: 0 5px; |
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height: 30px; |
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text-align: center; |
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line-height: 30px; |
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color: #666; |
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} |
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.uni-pagination__num-current { |
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/* #ifndef APP-NVUE */ |
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display: flex; |
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/* #endif */ |
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flex-direction: row; |
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} |
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.uni-pagination__num-current-text { |
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font-size: 15px; |
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} |
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.uni-pagination--enabled { |
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color: #333333; |
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opacity: 1; |
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} |
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.uni-pagination--disabled { |
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opacity: 0.5; |
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/* #ifdef H5 */ |
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cursor: default; |
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/* #endif */ |
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} |
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.uni-pagination--hover { |
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color: rgba(0, 0, 0, 0.6); |
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background-color: #f1f1f1; |
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} |
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.tag--active:hover { |
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color: #007aff; |
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} |
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.page--active { |
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color: #fff; |
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background-color: #007aff; |
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} |
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.page--active:hover { |
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color: #fff; |
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} |
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/* #ifndef APP-NVUE */ |
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.is-pc-hide { |
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display: block; |
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} |
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.is-phone-hide { |
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display: none; |
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} |
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@media screen and (min-width: 450px) { |
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.is-pc-hide { |
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display: none; |
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} |
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.is-phone-hide { |
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display: block; |
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} |
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.uni-pagination__num-flex-none { |
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flex: none; |
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} |
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} |
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/* #endif */ |
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</style> |