354 lines
8.0 KiB
Vue
354 lines
8.0 KiB
Vue
<template>
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<view>
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<!-- 弹出层 -->
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<view :class="['scroll-popup', isShow ? 'scroll-open' : '', animation ? 'scroll-animation' : '']">
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<view class="scroll-box">
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<view class="scroll-top">
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<view class="scroll-top-left" @click="getResult('cancel')">取消</view>
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<view class="scroll-top-right" v-if="checkArr.length == tabList.length"
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@click="getResult('confirm')">确定</view>
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</view>
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<scroll-view class="scroll-title" scroll-x="true" :scroll-left="scrollViewWidth" scroll-with-animation>
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<view class="scroll-title-item-box" v-for="(i, e) in tabList" @click="checkTab(e)" :key="e">
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<view v-if="tabId >= e" :id="'se-' + e"
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:class="['scroll-title-item', tabId == e ? ' scroll-title-item-true' : '']">
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{{ checkArr[e] ? checkArr[e].label : i.title }}
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<image class="span" :src='nextImg' v-if="tabId > e"></image>
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</view>
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</view>
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</scroll-view>
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<scroll-view class="scroll-view_H" scroll-y="true">
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<view class="scroll-view-grid-box" v-if="checkBox && checkBox.length && checkBox[tabId].length">
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<view v-for="(item, index) in checkBox[tabId]" :key="index" @click="check(index)"
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:class="checkArr && checkArr[tabId] && checkArr[tabId].label == item.label ? 'scroll-view-item-true' : 'scroll-view-item'">
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{{ item.label || '' }}
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</view>
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</view>
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<view class="scroll-view-noBox" v-else>
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<image :src="noDataImg"></image>
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<view class="text">暂无数据</view>
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</view>
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</scroll-view>
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<view v-show="safeArea" class="scroll-temp"></view>
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</view>
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</view>
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<!-- 遮罩层 -->
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<view v-show="isShow" class="scroll-mask"></view>
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</view>
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</template>
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<script>
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import noData from './noData.png'
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import next from './next.png'
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import cityList from './city.js'; //模拟数据
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export default {
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props: {
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//是否开启动画
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animation: {
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type: Boolean,
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default: true,
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},
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//是否开启安全条
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safeArea: {
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type: Boolean,
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default: false,
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},
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},
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data() {
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return {
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isShow: false,
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checkBox: [],
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noDataImg: '',
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nextImg: '',
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tabId: 0, //计算当前顶部滑块id
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checkArr: [],
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id: 0, //通tabId，他们2的区别是，id先赋值，tabId在数据请求成功后才会赋值
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tabList: [{
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title: '选择所在省',
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id: 0
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},
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{
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title: '选择所在市',
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id: 1
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},
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{
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title: '选择所在区县',
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id: 2
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}
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],
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scrollViewWidth: 0,
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elWidth: 0,
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cityList: cityList,
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};
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},
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mounted() {
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this.nextImg = next
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this.noDataImg = noData
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},
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methods: {
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open() {
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this.isShow = true;
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this.init();
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},
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close() {
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this.isShow = false;
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},
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init() {
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// 初始化数据
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this.id = 0;
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this.tabId = 0;
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this.checkBox = [];
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this.checkArr = [];
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//初始化求出滚动的宽度
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this.createSelectorQuery().select('.scroll-title').boundingClientRect(rect => {
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this.scrollViewWidth = Math.round(rect.width);
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}).exec();
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this.getData();
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},
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async check(index) {
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this.$set(this.checkArr, this.id, this.checkBox[this.id][index]);
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if (this.id < this.tabList.length - 1) this.id = this.id + 1;
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await this.getData(); //同步请求
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//获取点击元素的宽度求出元素一半的宽度
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this.createSelectorQuery().select('#se-' + this.tabId).boundingClientRect(rect => {
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this.elWidth = Math.round(rect.width);
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}).exec();
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//定时器别删，不然最后一步有Bug
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setTimeout(() => {
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this.scrollViewWidth = this.scrollViewWidth + this.elWidth;
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});
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if (this.tabId < this.tabList.length - 1) this.tabId = this.tabId + 1;
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},
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checkTab(e) {
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if (e == this.id) return;
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this.id = e;
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this.tabId = e;
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this.checkArr = this.checkArr.splice(0, e);
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},
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getResult(event) {
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if (event == 'confirm') {
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if (this.checkArr.length != this.tabList.length) return;
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let result = this.checkArr;
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this.$emit('change', {
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value: result
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})
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}
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this.close();
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},
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//使用本地假数据进行加载
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async getData() {
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if (this.checkArr.length == this.tabList.length) return;
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uni.showLoading({
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title: '加载中...'
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});
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//模拟数据实例-------------------------
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let list = [];
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if (this.checkArr.length) {
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setTimeout(() => {
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var id = this.checkArr[this.id - 1].value
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let idList = this.checkBox[this.id - 1].find(item => {
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return item.value == id;
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})
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idList.children.map(e => {
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list.push(e);
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});
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uni.hideLoading();
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this.$set(this.checkBox, this.id, list), 500;
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});
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} else {
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setTimeout(() => {
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this.cityList.map(e => {
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list.push(e);
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});
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uni.hideLoading();
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this.$set(this.checkBox, this.id, list), 500;
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});
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}
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//接口请求数据实例--------------
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// let params = {
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// code: this.checkArr && this.checkArr.length > 0 ? this.checkArr[this.checkArr.length - 1]
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// .code : ''
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// };
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// await getData(params).then(res => {
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// if (res.code == 200) {
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// this.$set(this.checkBox, this.id, res.data);
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// } else {
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// this.$set(this.checkBox, this.id, []);
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// }
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// uni.hideLoading()
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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 lang="scss" scoped>
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/* 弹出层默认样式 */
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.scroll-popup {
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width: 100%;
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height: 100%;
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position: fixed;
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bottom: -100%;
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z-index: 999;
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}
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/* 点击按钮是将盒子 bottom 值归零即可实现弹出效果,
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同理，如需更改弹出方向只需将bottom改成top、left、right即可
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(默认样式的方向也需一起更改哦) */
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.scroll-open {
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bottom: 0px !important;
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}
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.scroll-animation {
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transition: all 0.25s linear;
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}
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/* 遮罩层样式 */
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.scroll-mask {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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background: rgba(0, 0, 0, 0.3);
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z-index: 998;
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}
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.scroll-box {
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position: absolute;
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bottom: 0;
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width: 100%;
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background: #ffff;
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border-radius: 24rpx 24rpx 0 0;
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padding-bottom: 60rpx;
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height: 700rpx;
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}
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.scroll-temp {
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padding-bottom: env(safe-area-inset-bottom);
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}
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.scroll-top {
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height: 88rpx;
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line-height: 88rpx;
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}
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.scroll-top-left {
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float: left;
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padding-left: 24rpx;
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font-size: 28rpx;
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}
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.scroll-top-right {
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float: right;
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padding-right: 24rpx;
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color: #1890ff;
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font-size: 28rpx;
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}
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.scroll-title {
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white-space: nowrap;
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width: 100%;
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height: 88rpx;
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line-height: 88rpx;
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background-color: #fafafa;
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}
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.scroll-view_H {
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white-space: nowrap;
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width: 100%;
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height: 500rpx;
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line-height: 500rpx;
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background-color: #ffffff;
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}
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.scroll-title-item {
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position: relative;
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image {
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position: absolute !important;
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right: -48rpx !important;
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top: 0 !important;
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bottom: 0 !important;
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width: 28rpx !important;
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height: 28rpx !important;
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margin: auto !important;
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}
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}
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.scroll-title-item-box {
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display: inline-block;
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margin: 0 32rpx;
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font-size: 28rpx;
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color: #333333;
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}
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.scroll-title-item-true {
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font-size: 28rpx;
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font-weight: 700;
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color: #1890ff;
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}
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.scroll-view-box {
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display: flex;
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flex-wrap: wrap;
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justify-content: center;
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margin: 16rpx;
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}
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.scroll-view-grid-box {
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width: calc(100% - 20rpx);
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margin: 10rpx;
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padding-bottom: 10rpx;
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}
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.scroll-view-noBox {
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width: 100%;
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height: 400rpx;
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text-align: center;
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image {
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width: 200rpx;
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height: 200rpx;
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margin-top: 32rpx;
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}
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.text {
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width: 100%;
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text-align: center;
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color: #888;
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font-size: 28rpx;
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margin-top: -40rpx;
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}
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}
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.scroll-view-item {
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padding: 0rpx 24rpx;
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text-align: left;
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border-radius: 6rpx;
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background: #f7f7f7;
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color: #333333;
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font-size: 28rpx;
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margin: 12rpx 4rpx;
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height: 66rpx;
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line-height: 66rpx;
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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.scroll-view-item-true {
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padding: 0rpx 24rpx;
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text-align: left;
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border-radius: 6rpx;
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background-color: #1890ff;
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color: #ffffff;
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font-size: 28rpx;
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margin: 12rpx 4rpx;
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height: 66rpx;
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line-height: 66rpx;
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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</style> |