<template>
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<div class="camera-page">
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<div class="scroll-wrapper">
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<el-button class="arrow left" @click="scrollLeft" :disabled="canScrollLeft" circle>
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<el-icon><ArrowLeft /></el-icon>
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</el-button>
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<div class="scroll-viewport" ref="viewportRef">
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<div class="scroll-track" :style="{ transform: `translateX(${-scrollPos}px)` }">
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<div v-for="dev in deviceList" :key="dev.id" class="player-card">
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<ezuikit-player
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v-if="ysToken"
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:key="'p_' + dev.id + '_' + ysToken"
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:container-id="'player_' + dev.id"
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:access-token="ysToken"
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:url="`ezopen://open.ys7.com/${dev.iotCode || dev.code}/1.hd.live`"
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:pause-after-first-frame="true"
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/>
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</div>
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</div>
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</div>
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<el-button class="arrow right" @click="scrollRight" :disabled="canScrollRight" circle>
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<el-icon><ArrowRight /></el-icon>
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</el-button>
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</div>
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</div>
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</template>
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<script lang="ts" setup>
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defineOptions({
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name: 'camera-monitor',
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});
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import { ref, computed, onMounted, onUnmounted } from 'vue';
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import { useCool } from '/@/cool';
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import { ArrowLeft, ArrowRight } from '@element-plus/icons-vue';
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import EzuikitPlayer from '../../ezuikit/components/ezuikit-player.vue';
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const { service } = useCool();
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const deviceList = ref<any[]>([]);
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const ysToken = ref('');
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const loading = ref(false);
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const scrollPos = ref(0);
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const viewportRef = ref<HTMLElement | null>(null);
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// 每次滚动的距离（一个摄像头的宽度 + 间距）
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const scrollStep = computed(() => {
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const cardWidth = 312; // 300px 宽度 + 12px 间距的一半
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const gap = 12;
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return cardWidth + gap;
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});
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// 是否可以向左滚动
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const canScrollLeft = computed(() => scrollPos.value <= 0);
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// 是否可以向右滚动
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const canScrollRight = computed(() => {
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if (!viewportRef.value) return true;
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const viewportWidth = viewportRef.value.clientWidth;
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const trackWidth = deviceList.value.length * scrollStep.value;
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// 增加 2px 容差
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return scrollPos.value >= trackWidth - viewportWidth - 2;
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});
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function scrollLeft() {
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scrollPos.value = Math.max(0, scrollPos.value - scrollStep.value);
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}
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function scrollRight() {
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if (!viewportRef.value) return;
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const viewportWidth = viewportRef.value.clientWidth;
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const trackWidth = deviceList.value.length * scrollStep.value;
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const maxScroll = trackWidth - viewportWidth;
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// 如果剩余距离小于一个步长，直接滚动到底部
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if (scrollPos.value + scrollStep.value >= maxScroll) {
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scrollPos.value = maxScroll;
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} else {
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scrollPos.value += scrollStep.value;
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}
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}
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async function fetchYsToken() {
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if (ysToken.value) return;
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try {
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const res = await service.base.sys.param.stringbykey({ key: 'ys7.accessToken' });
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ysToken.value = res as string;
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} catch (e: any) {
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console.error('萤石 Token 获取失败', e?.response?.data?.message || e.message);
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}
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}
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async function fetchDevices() {
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loading.value = true;
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try {
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const res = await service.basicdata.iot.getCameras();
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deviceList.value = (res || []) as any[];
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scrollPos.value = 0;
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} catch (e: any) {
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console.error('获取摄像头列表失败', e?.response?.data?.message || e.message);
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deviceList.value = [];
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} finally {
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loading.value = false;
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}
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}
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async function refreshDevices() {
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await fetchDevices();
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}
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function handleKeydown(e: KeyboardEvent) {
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if (e.key === 'ArrowLeft') scrollLeft();
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if (e.key === 'ArrowRight') scrollRight();
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}
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onMounted(async () => {
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window.addEventListener('keydown', handleKeydown);
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await fetchYsToken();
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await fetchDevices();
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});
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onUnmounted(() => {
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window.removeEventListener('keydown', handleKeydown);
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});
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</script>
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<style lang="scss" scoped>
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.camera-page {
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height: 100%;
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display: flex;
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align-items: center;
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justify-content: center;
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padding: 16px;
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}
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.scroll-wrapper {
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position: relative;
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display: flex;
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align-items: center;
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width: 100%;
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/* 移除 max-width 限制，让容器占满可用宽度 */
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}
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.scroll-viewport {
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overflow: hidden;
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flex: 1;
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margin: 0 42px;
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}
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.scroll-track {
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display: flex;
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gap: 12px;
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transition: transform 0.35s ease;
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}
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.player-card {
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flex-shrink: 0;
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width: 300px;
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height: 360px;
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border-radius: 8px;
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overflow: hidden;
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background: #000;
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}
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.arrow {
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flex-shrink: 0;
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z-index: 10;
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background: #00ff00 !important;
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border-color: #00ff00 !important;
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color: #000 !important;
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font-size: 18px;
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width: 32px;
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height: 96px; /* 加高箭头，更易点击 */
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border-radius: 4px !important;
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}
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.arrow:hover {
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background: #33ff33 !important;
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border-color: #33ff33 !important;
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}
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.arrow:active {
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background: #00cc00 !important;
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border-color: #00cc00 !important;
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}
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.el-button.is-disabled {
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opacity: 0.25;
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background: #555 !important;
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border-color: #555 !important;
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color: #888 !important;
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}
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</style>
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