76 lines
2.4 KiB
Vue
76 lines
2.4 KiB
Vue
<template>
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<view class="main">
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<view class="head" :class="headShow?'head_show':''" :style="{'opacity':headShow?opacity:'1','padding-top':statusBartop+'px'}">
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<view class="head_back" @click="handleBack()" :style="{'width': statusHeight+'px','height':statusHeight+'px'}">
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<image class="head_back_img" src="https://zhkj1.oss-cn-shanghai.aliyuncs.com/newPD/zhBack.png" mode="widthFix"></image>
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</view>
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<view class="head_title" :style="{'width':pageWidth+'px','height':statusHeight+'px'}">客户服务</view>
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</view>
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<view style="height: 2000rpx;"></view>
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</view>
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</template>
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<script setup>
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import { computed,ref,onMounted,onUnmounted,getCurrentInstance,nextTick } from 'vue';
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import { useCounterStore } from '@/store/counter'; // 引入 Pinia Store
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import { storeToRefs } from 'pinia';//实现解构付值
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import { onLoad,onShow,onPullDownRefresh,onPageScroll,onReachBottom,onReady } from "@dcloudio/uni-app"
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const counterStore = useCounterStore(); // 使用 Store
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const { proxy } = getCurrentInstance();
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//使用pinia：storeToRefs方法包裹(保持响应式更新，不使用视图无法更新)
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const {statusHeight,headerHeight,statusBartop,ButtonWidth,ButtonHeight } = storeToRefs(counterStore);
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const headShow = ref(false);
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const showBack = ref(false);
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const pageWidth = ref(0);
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// 获取页面宽度
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const updatePageWidth = () => {
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const systemInfo = uni.getSystemInfoSync();
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pageWidth.value = systemInfo.windowWidth;
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};
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const searchWidth = computed(() => {
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return pageWidth.value - statusHeight.value - ButtonWidth.value - 35;
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});
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// 判断是否有上一页
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const getPages = () => {
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const pages = getCurrentPages();
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return pages.length > 1;
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};
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const handleBack = () => {
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if (getPages()) {
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// 如果有上一页，返回上一页
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uni.navigateBack();
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} else {
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// 如果没有上一页，返回首页
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uni.switchTab({
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url: '/pages/index/index',
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});
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}
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};
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onLoad((options) => {
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//初始化时判断是否显示返回按钮
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showBack.value = getPages();
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updatePageWidth();
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});
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onShow(() => {});
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onPageScroll((e)=>{
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const top = e.scrollTop;
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// 导航条颜色透明渐变
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if (top <= 50) {
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headShow.value = false
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} else {
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if( 50 < top && top <= 200 ){
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opacity.value = top / 200
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}else{
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opacity.value = 1
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}
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headShow.value = true
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}
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}),
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onReady(()=>{})
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onPullDownRefresh(()=>{})
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onReachBottom(()=>{})
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</script>
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<style lang="scss">
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@import './style.scss';
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</style> |