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dev_xrcc
jiazhipeng 4 months ago
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3 changed files with 458 additions and 457 deletions
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  1. 253
      xxdf/chapter2/cover.vue
  2. 506
      xxdf/chapter3/cover.vue
  3. 156
      xxdf/chapter3/randomImage.vue

253
xxdf/chapter2/cover.vue
View File

@ -1,4 +1,7 @@
<template>
<view>
<swiper class="main-swiper" :current="currentIndex" @change="handleSwiperChange" :duration="300">
<!-- 主swiper的第一个item -->
<swiper-item>
@ -64,138 +67,136 @@
</swiper-item>
</swiper>
<MusicControl />
</view>
</template>
<script setup>
import {
ref,
reactive,
onMounted,
watch
} from 'vue';
const currentIndex = ref(0);
const verticalIndex = ref(0);
// 记录主swiper哪些页面已经加载过
const loadedPages = reactive({
0: false,
1: false,
2: false,
3: false
});
// 记录嵌套swiper哪些页面已经加载过
const loadedNestedPages = reactive({
0: false,
1: false,
2: false
});
// 预加载缓冲区大小
const preloadBuffer = 1;
const nestedPreloadBuffer = 1;
// 决定是否应该显示主swiper特定页面的内容
const shouldShowContent = (index) => {
return Math.abs(index - currentIndex.value) <= preloadBuffer;
};
// 决定是否应该显示嵌套swiper特定页面的内容
const shouldShowNestedContent = (index) => {
return Math.abs(index - verticalIndex.value) <= nestedPreloadBuffer;
};
// 监听主swiper currentIndex变化，更新已加载页面状态
watch(currentIndex, (newIndex) => {
// 标记当前页面和前后buffer页为已加载
for (let i = Math.max(0, newIndex - preloadBuffer); i <= Math.min(3, newIndex + preloadBuffer); i++) {
loadedPages[i] = true;
}
// 当切换到第4个item时，初始化嵌套swiper的加载状态
if (newIndex === 3) {
loadedNestedPages[0] = true;
if (nestedPreloadBuffer >= 1) {
loadedNestedPages[1] = true;
<script>
export default {
data() {
return {
currentIndex: 0,
verticalIndex: 0,
// 记录主swiper哪些页面已经加载过
loadedPages: {
0: false,
1: false,
2: false,
3: false
},
// 记录嵌套swiper哪些页面已经加载过
loadedNestedPages: {
0: false,
1: false,
2: false
},
// 预加载缓冲区大小
preloadBuffer: 1,
nestedPreloadBuffer: 1
}
}
}, { immediate: true });
// 监听嵌套swiper verticalIndex变化，更新已加载页面状态
watch(verticalIndex, (newIndex) => {
// 只有当主swiper在第4个item时才更新嵌套swiper状态
if (currentIndex.value === 3) {
// 标记当前页面和前后buffer页为已加载
for (let i = Math.max(0, newIndex - nestedPreloadBuffer); i <= Math.min(2, newIndex + nestedPreloadBuffer); i++) {
loadedNestedPages[i] = true;
},
computed: {
// 决定是否应该显示主swiper特定页面的内容
shouldShowContent() {
return (index) => {
return Math.abs(index - this.currentIndex) <= this.preloadBuffer;
}
},
// 决定是否应该显示嵌套swiper特定页面的内容
shouldShowNestedContent() {
return (index) => {
return Math.abs(index - this.verticalIndex) <= this.nestedPreloadBuffer;
}
}
},
watch: {
// 监听主swiper currentIndex变化，更新已加载页面状态
currentIndex(newIndex) {
// 标记当前页面和前后buffer页为已加载
for (let i = Math.max(0, newIndex - this.preloadBuffer); i <= Math.min(3, newIndex + this.preloadBuffer); i++) {
this.loadedPages[i] = true;
}
// 当切换到第4个item时，初始化嵌套swiper的加载状态
if (newIndex === 3) {
this.loadedNestedPages[0] = true;
if (this.nestedPreloadBuffer >= 1) {
this.loadedNestedPages[1] = true;
}
}
},
// 监听嵌套swiper verticalIndex变化，更新已加载页面状态
verticalIndex(newIndex) {
// 只有当主swiper在第4个item时才更新嵌套swiper状态
if (this.currentIndex === 3) {
// 标记当前页面和前后buffer页为已加载
for (let i = Math.max(0, newIndex - this.nestedPreloadBuffer); i <= Math.min(2, newIndex + this.nestedPreloadBuffer); i++) {
this.loadedNestedPages[i] = true;
}
}
}
},
methods: {
handleSwiperChange(e) {
this.currentIndex = e.detail.current;
},
handleVerticalChange(e) {
this.verticalIndex = e.detail.current;
},
goback() {
const app = getApp();
app.globalData.mainSliderIndex = 4;
uni.navigateTo({
url: '/xxdf/home/home'
});
}
},
mounted() {
// 初始化主swiper，标记第一页和相邻页为已加载
this.currentIndex = 0;
for (let i = 0; i <= Math.min(this.preloadBuffer, 3); i++) {
this.loadedPages[i] = true;
}
// 初始化嵌套swiper的第一页为已加载（以防万一）
this.verticalIndex = 0;
this.loadedNestedPages[0] = true;
}
}, { immediate: true });
const handleSwiperChange = (e) => {
currentIndex.value = e.detail.current;
};
const handleVerticalChange = (e) => {
verticalIndex.value = e.detail.current;
};
const goback = () => {
const app = getApp();
app.globalData.mainSliderIndex = 4;
uni.navigateTo({
url: '/pages/home/home'
});
};
onMounted(() => {
// 初始化主swiper，标记第一页和相邻页为已加载
currentIndex.value = 0;
for (let i = 0; i <= Math.min(preloadBuffer, 3); i++) {
loadedPages[i] = true;
}
// 初始化嵌套swiper的第一页为已加载（以防万一）
verticalIndex.value = 0;
loadedNestedPages[0] = true;
});
}
</script>
<style scoped>
.main-swiper {
width: 100%;
height: 100vh;
}
.nested-swiper {
width: 100%;
height: 100vh;
}
.page-container {
height: 100vh;
}
.home-page {
position: relative;
overflow: hidden;
}
.bg-image {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 1;
}
.btn {
position: absolute;
left: 50%;
bottom: 12%;
transform: translate(-50%, -50%);
z-index: 2;
width: 250rpx;
height: 60rpx;
}
.main-swiper {
width: 100%;
height: 100vh;
}
.nested-swiper {
width: 100%;
height: 100vh;
}
.page-container {
height: 100vh;
}
.home-page {
position: relative;
overflow: hidden;
}
.bg-image {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 1;
}
.btn {
position: absolute;
left: 50%;
bottom: 12%;
transform: translate(-50%, -50%);
z-index: 2;
width: 250rpx;
height: 60rpx;
}
</style>

506
xxdf/chapter3/cover.vue
View File

@ -1,276 +1,274 @@
<template>
<swiper class="main-swiper" :vertical="true" :current="currentIndex" @change="handleSwiperChange" :duration="300">
<swiper-item v-for="(_, outerIndex) in 7" :key="outerIndex">
<swiper class="nested-swiper" :duration="300" @change="(e) => handleVerticalChange(e, outerIndex)"
:current="nestedIndices[outerIndex]">
<!-- 嵌套swiper的第一个item（封面页） -->
<swiper-item>
<view class="page-container home-page">
<image class="bg-image" :src="`/static/images/chapter3/cover${outerIndex+2}.png`" mode=""
:lazy-load="true"></image>
<image class="cover-txt" :class="{'cover-txt2': outerIndex > 0}"
:src="`/static/images/chapter3/cover${outerIndex+2}-txt.png`" mode="" :lazy-load="true">
</image>
<image class="btn" src="/static/seek2-btn.png" mode="" :lazy-load="true"></image>
</view>
</swiper-item>
<!-- 嵌套swiper的第二个item-->
<swiper-item>
<view class="page-container home-page">
<view class="gif-container">
<image v-if="shouldLoadContent(outerIndex)" class="gif-style"
:src="`/static/3-${outerIndex+1}-2.gif`" mode="aspectFill" :lazy-load="true">
</image>
</view>
<view>
<swiper class="main-swiper" :vertical="true" :current="currentIndex" @change="handleSwiperChange" :duration="300">
<swiper-item v-for="(_, outerIndex) in 7" :key="outerIndex">
<swiper class="nested-swiper" :duration="300" @change="handleVerticalChange" :current="nestedIndices[outerIndex]">
<!-- 嵌套swiper的第一个item（封面页） -->
<swiper-item>
<view class="page-container home-page">
<image class="bg-image" :src="'/static/images/chapter3/cover' + (outerIndex+2) + '.png'" mode="" :lazy-load="true"></image>
<image class="cover-txt" :class="{'cover-txt2': outerIndex > 0}" :src="'/static/images/chapter3/cover' + (outerIndex+2) + '-txt.png'" mode="" :lazy-load="true"></image>
<image class="btn" src="/static/seek2-btn.png" mode="" :lazy-load="true"></image>
</view>
</swiper-item>
<!-- 嵌套swiper的第二个item-->
<swiper-item>
<view class="page-container home-page">
<view class="gif-container">
<image v-if="shouldLoadContent(outerIndex)" class="gif-style" :src="'/static/3-' + (outerIndex+1) + '-2.gif'" mode="aspectFill" :lazy-load="true"></image>
</view>
<image class="bg-image" :src="`/static/images/chapter3/cover${outerIndex+2}-1.png`" mode=""
:lazy-load="true"></image>
<view class="qrcode-content">
<image class="qrCode" src="/static/qrcode.png" mode="" :lazy-load="true"></image>
<view class="code-txt">
扫码下单
</view>
</view>
</view>
</swiper-item>
</swiper>
</swiper-item>
<swiper-item>
<view class="page-container home-page">
<image class="bg-image" src="/static/images/chapter3/cover9.png" mode="" :lazy-load="true"></image>
<image @click="goRandomImage" class="cover-txt9" src="/static/images/chapter3/cover9-txt.png" mode=""
:lazy-load="true"></image>
</view>
</swiper-item>
</swiper>
<MusicControl />
<image class="bg-image" :src="'/static/images/chapter3/cover' + (outerIndex+2) + '-1.png'" mode="" :lazy-load="true"></image>
<view class="qrcode-content">
<image class="qrCode" src="/static/qrcode.png" mode="" :lazy-load="true"></image>
<view class="code-txt">
扫码下单
</view>
</view>
</view>
</swiper-item>
</swiper>
</swiper-item>
<swiper-item>
<view class="page-container home-page">
<image class="bg-image" src="/static/images/chapter3/cover9.png" mode="" :lazy-load="true"></image>
<image @click="goRandomImage" class="cover-txt9" src="/static/images/chapter3/cover9-txt.png" mode="" :lazy-load="true"></image>
</view>
</swiper-item>
</swiper>
<MusicControl />
</view>
</template>
<script setup>
import {
ref,
reactive,
onMounted,
onUnmounted,
watch,
computed
} from 'vue';
<script>
export default {
data() {
return {
currentIndex: 0,
// 嵌套swiper索引
nestedIndices: {
0: 0,
1: 0,
2: 0,
3: 0,
4: 0,
5: 0,
6: 0
},
// 当前活跃的页面，用于内容加载判断
activePages: {
mainIndex: 0,
nestedIndices: {
0: 0,
1: 0,
2: 0,
3: 0,
4: 0,
5: 0,
6: 0
}
},
// 预加载缓冲区大小
preloadBuffer: 2
}
},
methods: {
// 主swiper切换事件处理
handleSwiperChange(e) {
this.currentIndex = e.detail.current;
this.activePages.mainIndex = e.detail.current;
},
// 嵌套swiper切换事件处理
handleVerticalChange(e) {
const outerIndex = parseInt(e.target.dataset.index);
this.nestedIndices[outerIndex] = e.detail.current;
this.activePages.nestedIndices[outerIndex] = e.detail.current;
},
goRandomImage() {
const imageArray = [
{
id: 1,
image: '/static/images/chapter3/random/image1.png',
name: '雏菊',
desc: '宋 丛菊图页'
},
{
id: 2,
image: '/static/images/chapter3/random/image2.png',
name: '杜鹃',
desc: '清 恽寿平 花卉十开 杜鹃'
},
{
id: 3,
image: '/static/images/chapter3/random/image3.png',
name: '金桂',
desc: '清 蒋延锡 桂花图 局部 台北故宫博物馆院藏'
},
{
id: 4,
image: '/static/images/chapter3/random/image4.png',
name: '绿梅',
desc: '北宋 赵佶 梅花秀眼图页 北京故宫博物院藏'
},
{
id: 5,
image: '/static/images/chapter3/random/image5.png',
name: '墨兰',
desc: '宋 秋兰绽蕊图'
},
{
id: 6,
image: '/static/images/chapter3/random/image6.png',
name: '茉莉',
desc: '宋 茉莉花图页'
},
{
id: 7,
image: '/static/images/chapter3/random/image7.png',
name: '青莲',
desc: '宋 出水芙蓉图页'
},
];
const currentIndex = ref(0);
// 嵌套swiper索引
const nestedIndices = reactive({
0: 0,
1: 0,
2: 0,
3: 0,
4: 0,
5: 0,
6: 0
});
// 当前活跃的页面，用于内容加载判断
const activePages = reactive({
mainIndex: 0,
nestedIndices: {
0: 0,
1: 0,
2: 0,
3: 0,
4: 0,
5: 0,
6: 0
}
});
// 预加载缓冲区大小
const preloadBuffer = 2;
const shouldLoadContent = (outerIndex) => {
// 当主索引在附近，且嵌套索引是第二页(GIF页)时预加载
return Math.abs(outerIndex - currentIndex.value) <= preloadBuffer &&
(nestedIndices[outerIndex] === 1 || activePages.nestedIndices[outerIndex] === 1);
};
// 主swiper切换事件处理
const handleSwiperChange = (e) => {
currentIndex.value = e.detail.current;
activePages.mainIndex = e.detail.current;
};
// 嵌套swiper切换事件处理
const handleVerticalChange = (e, outerIndex) => {
nestedIndices[outerIndex] = e.detail.current;
activePages.nestedIndices[outerIndex] = e.detail.current;
};
const goRandomImage = () => {
const imageArray = [{
id: 1,
image: '/static/images/chapter3/random/image1.png',
name: '雏菊',
desc: '宋 丛菊图页'
},
{
id: 2,
image: '/static/images/chapter3/random/image2.png',
name: '杜鹃',
desc: '清 恽寿平 花卉十开 杜鹃'
},
{
id: 3,
image: '/static/images/chapter3/random/image3.png',
name: '金桂',
desc: '清 蒋延锡 桂花图 局部 台北故宫博物馆院藏'
},
{
id: 4,
image: '/static/images/chapter3/random/image4.png',
name: '绿梅',
desc: '北宋 赵佶 梅花秀眼图页 北京故宫博物院藏'
},
{
id: 5,
image: '/static/images/chapter3/random/image5.png',
name: '墨兰',
desc: '宋 秋兰绽蕊图'
},
{
id: 6,
image: '/static/images/chapter3/random/image6.png',
name: '茉莉',
desc: '宋 茉莉花图页'
},
{
id: 7,
image: '/static/images/chapter3/random/image7.png',
name: '青莲',
desc: '宋 出水芙蓉图页'
},
];
const app = getApp();
app.globalData.randomImages = imageArray;
uni.setStorageSync('randomImages', JSON.stringify(imageArray));
uni.navigateTo({
url: '/pages/chapter3/randomImage'
});
};
const goback = () => {
const app = getApp();
app.globalData.mainSliderIndex = 4;
uni.redirectTo({
url: '/pages/home/home'
});
};
onMounted(() => {
// 初始化状态
currentIndex.value = 0;
activePages.mainIndex = 0;
});
const app = getApp();
app.globalData.randomImages = imageArray;
uni.setStorageSync('randomImages', JSON.stringify(imageArray));
uni.navigateTo({
url: '/xxdf/chapter3/randomImage'
});
},
goback() {
const app = getApp();
app.globalData.mainSliderIndex = 4;
uni.redirectTo({
url: '/xxdf/home/home'
});
}
},
computed: {
shouldLoadContent() {
return (outerIndex) => {
// 当主索引在附近，且嵌套索引是第二页(GIF页)时预加载
return Math.abs(outerIndex - this.currentIndex) <= this.preloadBuffer &&
(this.nestedIndices[outerIndex] === 1 || this.activePages.nestedIndices[outerIndex] === 1);
}
}
},
mounted() {
// 初始化状态
this.currentIndex = 0;
this.activePages.mainIndex = 0;
},
beforeDestroy() {
// 组件销毁前的清理工作（如果有）
}
}
</script>
<style scoped>
.main-swiper {
width: 100%;
height: 100vh;
}
.main-swiper {
width: 100%;
height: 100vh;
}
.nested-swiper {
width: 100%;
height: 100vh;
}
.nested-swiper {
width: 100%;
height: 100vh;
}
.page-container {
height: 100vh;
}
.page-container {
height: 100vh;
}
.home-page {
position: relative;
overflow: hidden;
}
.home-page {
position: relative;
overflow: hidden;
}
.bg-image {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 1;
}
.bg-image {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 1;
}
.cover-txt {
position: absolute;
left: 50%;
bottom: 22%;
transform: translate(-50%, -50%);
z-index: 2;
width: 74%;
height: 122rpx;
}
.cover-txt {
position: absolute;
left: 50%;
bottom: 22%;
transform: translate(-50%, -50%);
z-index: 2;
width: 74%;
height: 122rpx;
}
.cover-txt2 {
width: 60% !important;
height: 134rpx !important;
}
.cover-txt2 {
width: 60% !important;
height: 134rpx !important;
}
.cover-txt9 {
position: absolute;
left: 50%;
bottom: 0;
transform: translate(-50%, -20%);
z-index: 2;
width: 360rpx;
height: 280rpx;
}
.cover-txt9 {
position: absolute;
left: 50%;
bottom: 0;
transform: translate(-50%, -20%);
z-index: 2;
width: 360rpx;
height: 280rpx;
}
.btn {
position: absolute;
left: 50%;
bottom: 16%;
transform: translate(-50%, -50%);
z-index: 2;
width: 244rpx;
height: 60rpx;
}
.btn {
position: absolute;
left: 50%;
bottom: 16%;
transform: translate(-50%, -50%);
z-index: 2;
width: 244rpx;
height: 60rpx;
}
.qrcode-content {
display: flex;
flex-direction: column;
align-items: center;
position: absolute;
left: 50%;
bottom: 0;
transform: translate(-50%, -25%);
z-index: 2;
}
.qrcode-content {
display: flex;
flex-direction: column;
align-items: center;
position: absolute;
left: 50%;
bottom: 0;
transform: translate(-50%, -25%);
z-index: 2;
}
.qrCode {
width: 200rpx;
height: 200rpx;
}
.qrCode {
width: 200rpx;
height: 200rpx;
}
.code-txt {
color: #333;
font-size: 24rpx;
margin-top: 10rpx;
}
.code-txt {
color: #333;
font-size: 24rpx;
margin-top: 10rpx;
}
.gif-container {
background: #333333;
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 400rpx;
z-index: 2;
}
.gif-container {
background: #333333;
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 400rpx;
z-index: 2;
}
.gif-style {
width: 100%;
height: 100%;
object-fit: cover;
}
.gif-style {
width: 100%;
height: 100%;
object-fit: cover;
}
</style>

156
xxdf/chapter3/randomImage.vue
View File

@ -1,90 +1,92 @@
<template>
<view class="random-image-container">
<RandomImage :images="randomImages" ref="randomImageRef" />
<image @click="goBack" class="back-icon" src="/static/back.png" mode=""></image>
<image class="save-icon" src="/static/save-btn.png" mode=""></image>
</view>
<view class="random-image-container">
<RandomImage :images="randomImages" ref="randomImageRef" />
<image @click="goBack" class="back-icon" src="/static/back.png" mode=""></image>
<image class="save-icon" src="/static/save-btn.png" mode=""></image>
</view>
</template>
<script setup>
import {
ref,
onMounted,
nextTick
} from 'vue';
import RandomImage from '../../components/chapter3/RandomImage.vue';
<script>
import RandomImage from '../../components/chapter3/RandomImage.vue';
// 获取传递的图片数组
const randomImages = ref([]);
const randomImageRef = ref(null);
onMounted(() => {
// 尝试从本地存储获取
let storedImages = uni.getStorageSync('randomImages');
export default {
components: {
RandomImage
},
data() {
return {
randomImages: []
}
},
mounted() {
// 尝试从本地存储获取
let storedImages = uni.getStorageSync('randomImages');
// 检查全局数据
const app = getApp();
// 检查全局数据
const app = getApp();
if (storedImages) {
// 从本地存储恢复
randomImages.value = JSON.parse(storedImages);
} else if (app.globalData && app.globalData.randomImages) {
// 从全局数据获取
randomImages.value = app.globalData.randomImages;
} else {
// 使用默认图片数组
randomImages.value = [
'/static/images/chapter3/random/image1.png',
'/static/images/chapter3/random/image2.png',
'/static/images/chapter3/random/image3.png',
'/static/images/chapter3/random/image4.png',
'/static/images/chapter3/random/image5.png',
'/static/images/chapter3/random/image6.png',
'/static/images/chapter3/random/image7.png'
];
}
if (storedImages) {
// 从本地存储恢复
this.randomImages = JSON.parse(storedImages);
} else if (app.globalData && app.globalData.randomImages) {
// 从全局数据获取
this.randomImages = app.globalData.randomImages;
} else {
// 使用默认图片数组
this.randomImages = [
'/static/images/chapter3/random/image1.png',
'/static/images/chapter3/random/image2.png',
'/static/images/chapter3/random/image3.png',
'/static/images/chapter3/random/image4.png',
'/static/images/chapter3/random/image5.png',
'/static/images/chapter3/random/image6.png',
'/static/images/chapter3/random/image7.png'
];
}
// 等待组件挂载完成
nextTick(() => {
if (randomImageRef.value && randomImageRef.value.selectRandomImage) {
randomImageRef.value.selectRandomImage();
}
});
});
// 返回第三章封面
const goBack = () => {
const app = getApp();
app.globalData.mainSliderIndex = 4; // 第三章封面的索引
uni.navigateTo({
url: '/pages/home/home'
})
}
// 等待DOM更新完成
this.$nextTick(() => {
if (this.$refs.randomImageRef && this.$refs.randomImageRef.selectRandomImage) {
this.$refs.randomImageRef.selectRandomImage();
}
});
},
methods: {
// 返回第三章封面
goBack() {
const app = getApp();
app.globalData.mainSliderIndex = 4; // 第三章封面的索引
uni.navigateTo({
url: '/xxdf/home/home'
})
}
}
}
</script>
<style scoped>
.random-image-container {
width: 100%;
height: 100vh;
position: relative;
}
.random-image-container {
width: 100%;
height: 100vh;
position: relative;
}
.back-icon {
width: 48rpx;
height: 48rpx;
position: absolute;
left: 40rpx;
top: 40rpx;
z-index: 10;
}
.back-icon {
width: 48rpx;
height: 48rpx;
position: absolute;
left: 40rpx;
top: 40rpx;
z-index: 10;
}
.save-icon {
width: 340rpx;
height: 60rpx;
position: absolute;
left: 50%;
z-index: 10;
bottom: 14%;
transform: translate(-50%, -50%);
}
.save-icon {
width: 340rpx;
height: 60rpx;
position: absolute;
left: 50%;
z-index: 10;
bottom: 14%;
transform: translate(-50%, -50%);
}
</style>
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