391 lines
9.7 KiB
Vue
391 lines
9.7 KiB
Vue
<!-- SidePanelItem.vue -->
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<template>
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<SidePanelItem title="增殖站介绍">
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<a-spin :spinning="loading">
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<template v-if="originalMediaData.length > 0">
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<div
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class="container"
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@mouseenter="handleMouseEnter"
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@mouseleave="handleMouseLeave"
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>
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<!-- 跑马灯轨道容器 -->
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<div
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class="carousel-track"
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:class="{ 'no-transition': isTransitioning }"
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:style="{ transform: `translateX(-${currentIndex * 100}%)` }"
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>
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<!-- 遍历所有媒体项（包含克隆项） -->
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<div
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v-for="(item, index) in renderMediaData"
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:key="index"
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class="carousel-item"
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@click="handleItemClick"
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>
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<!-- 图片 -->
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<img :src="item.url" alt="" />
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<!-- 说明文字（随媒体项移动） -->
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<div class="text">{{ item.text }}</div>
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</div>
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</div>
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<!-- 面板指示器（固定在底部右侧） -->
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<div class="pagination-dots-fixed">
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<span
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v-for="(dot, index) in originalMediaData"
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:key="index"
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class="dot"
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:class="{ active: getCurrentRealIndex() === index }"
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@click="goToSlide(index)"
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></span>
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</div>
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</div>
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<!-- 独立的文字说明区域（随跑马灯切换而变化） -->
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<div class="description-text" @click="handleItemClick">
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{{ currentDescription }}
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</div>
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</template>
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<a-empty v-else description="暂无数据" />
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</a-spin>
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</SidePanelItem>
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<!-- 设施详情弹框 -->
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<a-modal v-model:open="modalVisible" :title="'设施类型介绍'" width="1536px" :footer="null">
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<div v-if="currentItem">
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<ArtsDetail :dataSource="currentItem" :index="getCurrentRealIndex()" />
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</div>
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</a-modal>
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</template>
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<script lang="ts" setup>
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import { ref, onMounted, onUnmounted, computed, watch } from 'vue';
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import SidePanelItem from '@/components/SidePanelItem/index.vue';
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import { useJidiSelectEventStore } from '@/store/modules/jidiSelectEvent';
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import { msstbprptGetKendoList } from '@/api/zzfl';
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import ArtsDetail from '@/components/carouselIntroduce/ArtsDetail.vue';
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import { useDraggable } from '@/utils/drag';
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// 定义组件名（便于调试和递归）
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defineOptions({
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name: 'zengZhiZhanJieShaoMod'
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});
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const baseid = ref('');
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const JidiSelectEventStore = useJidiSelectEventStore();
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// 媒体类型定义
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interface MediaItem {
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type: 'image' | 'video';
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url: string;
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text: string;
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description: string;
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}
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const baseUrl = import.meta.env.VITE_APP_ATTACHMENT_URL;
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// 弹框控制
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const modalVisible = ref(false);
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const currentItem = ref<any>(null);
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// 加载状态
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const loading = ref(false);
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// 原始媒体数据（从API获取）
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const originalMediaData = ref<MediaItem[]>([]);
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// 克隆首尾项后的渲染数组（用于无缝循环）
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// 结构：[最后一项克隆, 原始数据..., 第一项克隆]
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const renderMediaData = ref<MediaItem[]>([]);
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// 当前显示索引（指向renderMediaData）
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const currentIndex = ref(1); // 从1开始，跳过克隆的首项
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// 定时器引用
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let timer: any = null;
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// 鼠标悬停状态
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const isHovering = ref(false);
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// 是否正在切换动画中（用于禁用transition）
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const isTransitioning = ref(false);
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useDraggable(modalVisible, { boundary: true, resetOnOpen: true });
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// 初始化渲染数组（克隆首尾项）
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const initRenderData = () => {
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const length = originalMediaData.value.length;
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if (length === 0) return;
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renderMediaData.value = [
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originalMediaData.value[length - 1], // 克隆最后一项
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...originalMediaData.value, // 原始数据
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originalMediaData.value[0] // 克隆第一项
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];
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};
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// 启动自动轮播
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const startAutoPlay = () => {
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if (timer) clearInterval(timer);
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timer = setInterval(() => {
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if (!isHovering.value && !isTransitioning.value) {
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nextSlide();
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}
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}, 4000);
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};
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// 切换到下一张
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const nextSlide = () => {
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currentIndex.value++;
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// 延迟检查是否需要无缝跳转
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setTimeout(() => {
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checkSeamlessJump();
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}, 500); // 与transition时间一致
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};
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// 检查是否需要无缝跳转（克隆项处理）
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const checkSeamlessJump = () => {
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const realLength = originalMediaData.value.length;
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// 如果到达克隆的最后一项（索引 = realLength + 1）
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if (currentIndex.value >= realLength + 1) {
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// 1. 禁用过渡动画，实现瞬间跳转
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isTransitioning.value = true;
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// 2. 瞬间跳转到真实的第二项（索引1），用户看不到跳变
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currentIndex.value = 1;
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// 3. 等待两帧后恢复过渡动画（确保DOM已更新）
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requestAnimationFrame(() => {
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requestAnimationFrame(() => {
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isTransitioning.value = false;
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});
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});
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}
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};
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// 处理鼠标进入
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const handleMouseEnter = () => {
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isHovering.value = true;
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};
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// 处理鼠标离开
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const handleMouseLeave = () => {
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isHovering.value = false;
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};
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// 计算当前显示的描述文字
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const currentDescription = computed(() => {
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const realIndex = getCurrentRealIndex();
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return originalMediaData.value[realIndex]?.description || '';
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});
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// 页面加载时执行
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onMounted(() => {
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initRenderData();
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startAutoPlay();
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});
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// 组件卸载时清理
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onUnmounted(() => {
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if (timer) clearInterval(timer);
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});
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// 获取当前真实的索引（排除克隆项的影响）
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const getCurrentRealIndex = () => {
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const realLength = originalMediaData.value.length;
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let realIndex = currentIndex.value - 1; // 减去克隆的首项偏移
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// 处理边界情况（无缝循环时的克隆项）
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if (realIndex < 0) realIndex = realLength - 1;
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if (realIndex >= realLength) realIndex = 0;
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return realIndex;
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};
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// 跳转到指定幻灯片
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const goToSlide = (targetIndex: number) => {
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if (isTransitioning.value) return;
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// 计算目标索引（考虑克隆项偏移）
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currentIndex.value = targetIndex + 1;
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};
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const getData = async () => {
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loading.value = true;
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try {
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let params = {
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filter: {
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logic: 'and',
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filters: [
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{
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field: 'sttpCode',
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operator: 'eq',
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dataType: 'string',
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value: 'FB'
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},
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{
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field: 'baseId',
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operator: 'eq',
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dataType: 'string',
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value: baseid.value
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},
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{
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logic: 'or',
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filters: [
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{
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field: 'logo',
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dataType: 'string',
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operator: 'isnotnull'
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},
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{
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field: 'introduce',
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dataType: 'string',
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operator: 'isnotnull'
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}
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]
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}
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]
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},
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select: ['introduce', 'logo', 'stnm', 'precis']
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};
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let res = await msstbprptGetKendoList(params);
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let data = res?.data?.data;
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originalMediaData.value = data.map((item: any) => {
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return {
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url: baseUrl + '?' + item.logo + '&view=jpg',
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text: item.stnm,
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description: item.introduce,
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stcd: item.stcd
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};
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});
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} finally {
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loading.value = false;
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}
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};
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// 页面加载时执行
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onMounted(async () => {
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// 数据会在watch中获取
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startAutoPlay();
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});
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// 组件卸载时清理
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onUnmounted(() => {
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if (timer) clearInterval(timer);
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});
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// 处理项目点击事件
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const handleItemClick = () => {
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currentItem.value = originalMediaData.value.map((item: any) => ({
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url: item.url || '',
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description: item.description || '',
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title: item.text || ''
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}));
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modalVisible.value = true;
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};
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watch(
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() => JidiSelectEventStore.selectedItem,
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async newVal => {
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if (newVal && newVal.wbsCode) {
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baseid.value = newVal.wbsCode;
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await getData();
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initRenderData();
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}
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},
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{ deep: true, immediate: true }
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);
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</script>
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<style lang="scss" scoped>
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.container {
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width: 100%;
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height: 228px;
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// border: 1px solid #7fd6ff;
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// border-radius: 5px;
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position: relative;
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overflow: hidden; // 隐藏超出容器的内容
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// 跑马灯轨道
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.carousel-track {
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display: flex; // 横向排列所有媒体项
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width: 100%;
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height: 100%;
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transition: transform 0.5s ease-in-out; // 0.5秒平滑过渡
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// 禁用过渡动画（用于无缝跳转）
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&.no-transition {
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transition: none;
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}
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// 单个媒体项
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.carousel-item {
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min-width: 100%; // 每个项目占满容器宽度
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max-width: 100%;
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height: 100%;
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position: relative;
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flex-shrink: 0; // 防止被压缩
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img,
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video {
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width: 100%;
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height: 100%;
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object-fit: cover; // 保持比例填充
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}
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.text {
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position: absolute;
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bottom: 0;
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left: 0;
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width: 100%;
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height: 22px;
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line-height: 22px;
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background: rgba(0, 0, 0, 0.1);
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color: #fff;
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padding-left: 10px;
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}
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}
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}
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// 固定的面板指示器
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.pagination-dots-fixed {
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position: absolute;
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bottom: 10px;
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right: 10px;
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display: flex;
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gap: 6px;
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z-index: 10; // 确保在文字上方
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.dot {
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width: 5px;
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height: 5px;
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border-radius: 50%;
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background-color: #d8d8d8;
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cursor: pointer;
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transition: background-color 0.3s ease;
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&.active {
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background-color: #005293;
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}
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&:hover {
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opacity: 0.8;
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}
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}
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}
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}
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// 独立的文字说明区域
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.description-text {
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// padding: 8px 12px;
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font-size: 14px;
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line-height: 1.5;
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// min-height: 40px;
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transition: all 0.3s ease;
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margin-bottom: 20px;
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// 多行文本溢出省略
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display: -webkit-box;
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-webkit-line-clamp: 2;
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-webkit-box-orient: vertical;
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overflow: hidden;
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text-overflow: ellipsis;
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word-break: break-word;
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}
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</style>
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