187 lines
3.8 KiB
Vue
187 lines
3.8 KiB
Vue
<template>
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<view class="theme-banner">
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<!-- 背景图 - 使用懒加载 -->
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<image
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v-if="bannerImage"
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:src="bannerImage"
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class="banner-bg"
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mode="aspectFill"
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:lazy-load="true"
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/>
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<!-- 内容层 -->
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<view class="banner-content">
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<!-- 上半部分：标题区域 -->
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<view class="title-section">
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<view class="subtitle-row">
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<text class="subtitle-text">{{'「'+ title +'」' }}</text>
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<!-- 如果确实需要过时数据警告，可以保留，否则可隐藏 -->
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<view v-if="isStaleData" class="stale-indicator">
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<text class="stale-icon">⚠</text>
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<text class="stale-text">数据可能已过时</text>
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</view>
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</view>
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</view>
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<!-- 下半部分：右下角数字 -->
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<view class="footer-section">
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<text class="progress-text">{{ formattedCurrent }} / {{ formattedTarget }}</text>
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</view>
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</view>
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</view>
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</template>
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<script setup>
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import { computed, ref, watch } from 'vue'
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const props = defineProps({
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title: {
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type: String,
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default: 'TOPFANS'
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},
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bannerImage: {
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type: String,
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default: ''
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},
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current: {
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type: Number,
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default: 19901123
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},
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target: {
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type: Number,
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default: 19911005
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},
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isStaleData: {
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type: Boolean,
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default: false
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}
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})
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// 使用 ref 缓存格式化结果，手动控制更新频率
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const formattedCurrent = ref(props.current.toLocaleString())
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const formattedTarget = ref(props.target.toLocaleString())
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// 使用 watch 手动控制更新，避免频繁调用 toLocaleString
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watch(() => props.current, (newVal) => {
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formattedCurrent.value = newVal.toLocaleString()
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}, { immediate: false })
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watch(() => props.target, (newVal) => {
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formattedTarget.value = newVal.toLocaleString()
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}, { immediate: false })
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const progressPercent = computed(() => {
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if (props.target === 0) return 0
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return Math.min((props.current / props.target) * 100, 100)
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})
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</script>
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<style scoped>
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.theme-banner {
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width: 98%;
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height: 328rpx;
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position: relative;
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top: 240rpx;
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overflow: hidden;
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/* 性能优化：启用硬件加速 */
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transform: translateZ(0);
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will-change: transform;
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}
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.banner-bg {
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width: 100%;
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height: 100%;
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position: absolute;
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top: 0;
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left: 0;
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z-index: 0;
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border-radius: 32rpx;
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/* 性能优化：图片渲染优化 */
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image-rendering: -webkit-optimize-contrast;
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}
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.banner-content {
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position: relative;
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z-index: 1;
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padding: 8rpx 16rpx 16rpx 8rpx;
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display: flex;
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flex-direction: column;
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justify-content: flex-end;
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height: 100%;
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box-sizing: border-box;
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}
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.title-section {
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display: flex;
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flex-direction: column;
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align-items: flex-start;
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}
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.main-title {
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font-size: 64rpx;
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font-weight: 900;
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color: #fff;
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text-shadow:
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0 0 10rpx rgba(255, 255, 255, 0.8),
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0 4rpx 8rpx rgba(0, 0, 0, 0.5);
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line-height: 1.2;
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margin-bottom: 10rpx;
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letter-spacing: 2rpx;
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}
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.subtitle-row {
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display: flex;
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align-items: center;
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}
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.subtitle-text {
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font-size: 32rpx;
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color: #fff;
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margin-left: 32rpx;
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text-shadow: 0 2rpx 4rpx rgba(0, 0, 0, 0.5);
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font-family: 'ZaoZiGongFangJianHei-1';
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}
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.stale-indicator {
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display: flex;
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align-items: center;
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background: rgba(255, 152, 0, 0.9);
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padding: 4rpx 12rpx;
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border-radius: 20rpx;
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margin-left: 20rpx;
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transform: scale(0.8);
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}
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.stale-icon {
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font-size: 20rpx;
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color: #fff;
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margin-right: 4rpx;
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}
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.stale-text {
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font-size: 18rpx;
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color: #fff;
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white-space: nowrap;
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}
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.footer-section {
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display: flex;
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justify-content: flex-end;
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align-items: flex-end;
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}
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.progress-text {
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font-size: 32rpx;
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color: #fff;
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text-shadow: 0 0 8rpx rgba(255, 255, 255, 0.6);
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font-family: 'ZaoZiGongFangJianHei-1', sans-serif;
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}
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.progress-bar {
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display: none;
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}
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</style> |