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This commit is contained in:
@@ -122,7 +122,7 @@
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<h3 class="text-sm font-semibold text-gray-800">实时API调用动态</h3>
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</div>
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<div class="text-xs text-gray-500">
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队列缓冲 · 最多显示100条
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实时更新 · 最多显示100条
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</div>
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</div>
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@@ -582,38 +582,25 @@ const apiPopularityData = ref([])
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// 今日认证企业数据
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const todayCertifiedEnterprises = ref([])
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// 弹幕相关数据(队列FIFO)
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// 弹幕相关数据 - 重构为实时显示模式
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const danmakuItems = ref([]) // 正在显示的弹幕列表
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const danmakuQueue = ref([]) // 待显示的弹幕队列(从数据库查询到的新记录先存入此队列)
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const danmakuContainer = ref(null)
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const danmakuPollingTimer = ref(null) // 数据库查询定时器
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const danmakuDisplayTimer = ref(null) // 从队列取出弹幕显示的定时器
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const lastEnqueuedId = ref(null) // 最后入队记录的ID(用于查询新记录,比时间戳更可靠)
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const lastEnqueueTime = ref(null) // 最后入队记录的时间点(备用)
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const isFirstLoad = ref(true) // 标记是否是首次加载
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// 缓存每个用户-产品组合的调用次数,避免重复查询
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const callCountCache = ref(new Map()) // key: `${userId}_${productId}`, value: { count: number, lastUpdated: timestamp }
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const lastQueryTime = ref(null) // 最后查询的时间点
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const processedRecordIds = ref(new Set()) // 已处理的记录ID集合,用于去重
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const MAX_DANMAKU_ITEMS = 100 // 最多显示的弹幕数量
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const MAX_QUEUE_SIZE = 200 // 队列最大容量
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const DANMAKU_POLLING_INTERVAL = 5000 // 数据库查询间隔(毫秒)- 5秒,降低查询频率
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const DANMAKU_DISPLAY_INTERVAL = 800 // 从队列取出弹幕显示的间隔(毫秒)- 0.8秒,控制显示速度
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// 暂停的弹幕ID集合
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const pausedDanmakuIds = ref(new Set())
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// 跟踪每行最后弹幕的显示时间,用于避免同一行弹幕迸发(保留用于延迟计算)
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const lastRowDisplayTime = ref([0, 0]) // [第0行最后显示时间, 第1行最后显示时间]
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const pausedDanmakuIds = ref(new Set()) // 暂停的弹幕ID集合
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const danmakuDisplayOrder = ref(0) // 弹幕显示顺序,用于z-index
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// 弹幕尺寸配置
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const DANMAKU_ITEM_HEIGHT = 28 // 每条弹幕的高度(更紧凑)
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const isProcessing = ref(false) // 是否正在处理新记录,避免并发
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// 配置常量
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const MAX_DANMAKU_ITEMS = 100 // 最多显示的弹幕数量
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const DANMAKU_POLLING_INTERVAL = 1500 // 数据库查询间隔(毫秒)- 1.5秒,提高实时性
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const DANMAKU_ITEM_HEIGHT = 28 // 每条弹幕的高度
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const DANMAKU_CONTAINER_HEIGHT = 80 // 容器高度
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const DANMAKU_MIN_SPACING = 32 // 最小垂直间距(避免重叠)
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const DANMAKU_ANIMATION_DURATION = 15 // 动画持续时间(秒)
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const DANMAKU_ESTIMATED_WIDTH = 250 // 估算的弹幕宽度(像素),用于计算右边缘离开时间(减小以缩短延迟)
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const DANMAKU_DELAY_REDUCTION_FACTOR = 0.6 // 延迟缩减系数,让弹幕显示更紧凑
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// 错误重试相关
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const danmakuRetryCount = ref(0) // 连续失败次数
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const MAX_RETRY_COUNT = 3 // 最大重试次数
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const RETRY_DELAY = 2000 // 重试延迟(毫秒)
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const DANMAKU_ESTIMATED_WIDTH = 250 // 估算的弹幕宽度(像素)
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const MAX_PROCESSED_IDS = 1000 // 最大已处理ID数量,避免内存泄漏
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// 快捷选择配置
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@@ -1445,96 +1432,27 @@ const formatDateTime = (date) => {
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return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`
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}
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// 批量查询调用次数(优化性能)
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const batchQueryCallCounts = async (records) => {
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// 按用户-产品分组,并为每个记录计算调用次数
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const callCountMap = new Map()
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// 为每条记录单独计算调用次数(简化处理,避免复杂的批量查询)
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// 使用缓存优化性能
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const callCountPromises = records.map(async (record) => {
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const userId = record.user_id || record.userId || 'unknown'
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const productId = record.product_id || record.productId || ''
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const createdAt = record.created_at || record.createdAt || new Date().toISOString()
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const recordId = record.id || `${userId}_${productId}_${createdAt}`
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if (userId === 'unknown' || !productId) {
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return { recordId, callCount: 1 }
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}
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// 检查缓存(使用更精确的缓存键:用户+产品+时间)
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const cacheKey = `${userId}_${productId}`
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const cached = callCountCache.value.get(cacheKey)
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// 如果缓存存在且时间在1分钟内,使用缓存值并递增
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if (cached && Date.now() - cached.lastUpdated < 60000) {
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const callCount = cached.count + 1
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// 更新缓存
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callCountCache.value.set(cacheKey, {
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count: callCount,
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lastUpdated: Date.now()
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})
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return { recordId, callCount }
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}
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try {
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// 查询该用户对该产品在创建时间之前的调用记录数量
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const countParams = {
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page: 1,
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page_size: 100, // 获取足够多的记录以便统计
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user_id: userId,
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end_time: formatDateTime(new Date(createdAt)),
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sort_by: 'created_at',
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sort_order: 'desc'
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}
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const countResponse = await apiCallApi.getAdminApiCalls(countParams)
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if (countResponse.success && countResponse.data?.items) {
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// 在客户端过滤出该产品的记录
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const productCalls = countResponse.data.items.filter(item => {
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const itemProductId = item.product_id || item.productId || ''
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const itemCreatedAt = item.created_at || item.createdAt || ''
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if (itemProductId === productId) {
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if (itemCreatedAt && createdAt) {
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return new Date(itemCreatedAt) <= new Date(createdAt)
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}
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return true
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}
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return false
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})
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const callCount = productCalls.length + 1 // +1 包括当前记录
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// 更新缓存
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callCountCache.value.set(cacheKey, {
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count: callCount,
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lastUpdated: Date.now()
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})
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return { recordId, callCount }
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}
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} catch (err) {
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console.error('查询调用次数失败:', err, { userId, productId })
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}
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return { recordId, callCount: 1 }
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})
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const results = await Promise.all(callCountPromises)
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results.forEach(({ recordId, callCount }) => {
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callCountMap.set(recordId, callCount)
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})
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return callCountMap
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// 获取调用次数(简化版本,实时显示不需要精确计数)
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const getCallCount = (record) => {
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// 实时弹幕中,调用次数可以简化为1,或者从记录中获取
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// 如果需要精确计数,可以后续优化
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return record.call_count || 1
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}
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// 加载弹幕数据(只负责查询数据库并将新记录存入队列)
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// 加载弹幕数据 - 实时模式:查询到新记录立即显示
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const loadDanmakuData = async () => {
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// 如果正在处理,跳过本次查询
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if (isProcessing.value) {
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return
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}
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try {
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isProcessing.value = true
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const now = new Date()
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let params = {}
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if (isFirstLoad.value) {
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// 构建查询参数
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if (!lastQueryTime.value) {
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// 首次加载:获取最近30条记录
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params = {
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page: 1,
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@@ -1543,35 +1461,18 @@ const loadDanmakuData = async () => {
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sort_order: 'desc'
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}
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} else {
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// 持续轮询:获取最新的记录
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if (!lastEnqueueTime.value) {
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// 如果没有上次入队时间,获取最近1分钟的记录
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const oneMinuteAgo = new Date(now.getTime() - 60 * 1000)
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// 获取自上次查询时间之后的新记录
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params = {
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page: 1,
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page_size: 50,
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start_time: formatDateTime(oneMinuteAgo),
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start_time: formatDateTime(lastQueryTime.value),
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sort_by: 'created_at',
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sort_order: 'desc'
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}
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} else {
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// 获取自上次入队时间之后的新记录
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const nextTime = new Date(lastEnqueueTime.value.getTime() + 1)
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params = {
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page: 1,
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page_size: 50,
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start_time: formatDateTime(nextTime),
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sort_by: 'created_at',
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sort_order: 'desc'
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}
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}
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}
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const response = await apiCallApi.getAdminApiCalls(params)
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// 重置重试计数(请求成功)
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danmakuRetryCount.value = 0
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if (response.success && response.data?.items) {
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const records = response.data.items
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@@ -1582,113 +1483,51 @@ const loadDanmakuData = async () => {
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return false
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}
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processedRecordIds.value.add(recordId)
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// 限制已处理ID集合的大小,避免内存泄漏
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if (processedRecordIds.value.size > 1000) {
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if (processedRecordIds.value.size > MAX_PROCESSED_IDS) {
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const idsArray = Array.from(processedRecordIds.value)
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processedRecordIds.value = new Set(idsArray.slice(-500))
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processedRecordIds.value = new Set(idsArray.slice(-MAX_PROCESSED_IDS / 2))
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}
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return true
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})
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if (newRecords.length === 0) {
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// 没有新记录,但更新lastEnqueueTime为查询到的最新记录时间
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// 更新查询时间
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if (records.length > 0) {
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const latestRecord = records[0]
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const latestTime = new Date(latestRecord.created_at || latestRecord.createdAt || now)
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if (!lastEnqueueTime.value || latestTime > lastEnqueueTime.value) {
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lastEnqueueTime.value = latestTime
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if (latestRecord.id) {
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lastEnqueuedId.value = latestRecord.id
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}
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}
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}
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return
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}
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// 批量查询调用次数(优化性能)
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const callCountMap = await batchQueryCallCounts(newRecords)
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// 将记录转换为弹幕项并存入队列
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const newItems = newRecords.map((record, index) => {
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const username = getDisplayUsername(record)
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const apiName = getApiName(record)
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const userId = record.user_id || record.userId || 'unknown'
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const createdAt = record.created_at || record.createdAt || new Date().toISOString()
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const productId = record.product_id || record.productId || ''
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// 使用记录ID作为唯一标识(优先使用后端ID)
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const tempRecordId = record.id || `${userId}_${productId}_${createdAt}`
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const recordId = record.id || `${tempRecordId}_${index}_${Math.random().toString(36).substr(2, 9)}`
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// 从批量查询结果中获取调用次数
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const callCount = callCountMap.get(tempRecordId) || 1
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return {
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id: recordId,
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userId: userId,
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username: username,
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apiName: apiName,
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productId: productId,
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createdAt: createdAt,
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timestamp: new Date(createdAt).getTime(),
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callCount: callCount,
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// 详细信息用于悬停显示
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clientIp: record.client_ip || record.clientIp || '',
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status: record.status || '',
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cost: record.cost || '',
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transactionId: record.transaction_id || record.transactionId || '',
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// 弹幕显示相关属性(将在显示时计算)
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displayDelay: 0,
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rowIndex: -1,
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displayOrder: 0,
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randomTop: undefined
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}
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const latestRecord = records.reduce((latest, current) => {
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const latestTime = new Date(latest.created_at || latest.createdAt || 0).getTime()
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const currentTime = new Date(current.created_at || current.createdAt || 0).getTime()
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return currentTime > latestTime ? current : latest
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})
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// 将新记录存入队列(按时间排序,旧的在前,新的在后)
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const sortedItems = newItems.sort((a, b) => a.timestamp - b.timestamp)
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danmakuQueue.value.push(...sortedItems)
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// 限制队列大小,避免内存泄漏
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if (danmakuQueue.value.length > MAX_QUEUE_SIZE) {
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danmakuQueue.value = danmakuQueue.value.slice(-MAX_QUEUE_SIZE)
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}
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// 更新lastEnqueueTime为最后入队记录的时间
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if (sortedItems.length > 0) {
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const lastItem = sortedItems[sortedItems.length - 1]
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lastEnqueueTime.value = new Date(lastItem.createdAt)
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if (lastItem.id) {
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lastEnqueuedId.value = lastItem.id
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}
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}
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console.log(`查询到 ${newRecords.length} 条新记录,已存入队列。当前队列长度: ${danmakuQueue.value.length}`)
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// 标记首次加载完成
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if (isFirstLoad.value) {
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isFirstLoad.value = false
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const latestTime = new Date(latestRecord.created_at || latestRecord.createdAt || now)
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if (!lastQueryTime.value || latestTime > lastQueryTime.value) {
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lastQueryTime.value = latestTime
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}
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} else {
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// 请求失败时,保持lastEnqueueTime不变,确保下次查询不会跳过记录
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if (!isFirstLoad.value) {
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console.log('请求失败,保持lastEnqueueTime不变:', lastEnqueueTime.value)
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// 如果没有记录,更新时间到当前时间减1秒
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const oneSecondAgo = new Date(now.getTime() - 1000)
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if (!lastQueryTime.value || oneSecondAgo > lastQueryTime.value) {
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lastQueryTime.value = oneSecondAgo
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}
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}
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// 如果有新记录,立即处理并显示
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if (newRecords.length > 0) {
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// 按时间排序(旧的在前,新的在后)
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const sortedRecords = newRecords.sort((a, b) => {
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const timeA = new Date(a.created_at || a.createdAt || 0).getTime()
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const timeB = new Date(b.created_at || b.createdAt || 0).getTime()
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return timeA - timeB
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})
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// 立即处理并显示新记录
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await processAndDisplayRecords(sortedRecords)
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}
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}
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} catch (err) {
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console.error('获取弹幕数据失败:', err)
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// 增加重试计数
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danmakuRetryCount.value++
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// 如果连续失败次数超过阈值,使用指数退避延迟重试
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if (danmakuRetryCount.value >= MAX_RETRY_COUNT) {
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console.warn('弹幕数据获取连续失败,将在', RETRY_DELAY, 'ms后重试')
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setTimeout(() => {
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danmakuRetryCount.value = 0 // 重置计数
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loadDanmakuData()
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}, RETRY_DELAY * danmakuRetryCount.value)
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}
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// 不显示错误消息,避免干扰用户体验
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} finally {
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isProcessing.value = false
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}
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}
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@@ -1696,7 +1535,7 @@ const loadDanmakuData = async () => {
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// 计算弹幕右边缘离开容器右边界所需的时间(秒)
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const getDanmakuExitRightTime = () => {
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if (!danmakuContainer.value) {
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return 1.5 * DANMAKU_DELAY_REDUCTION_FACTOR // 默认值,应用缩减系数
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return 1.0 // 默认值
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}
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const containerWidth = danmakuContainer.value.clientWidth || 1200
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@@ -1710,8 +1549,8 @@ const getDanmakuExitRightTime = () => {
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// 时间 = (弹幕宽度 / 总移动距离) * 动画持续时间
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const exitTime = (danmakuWidth / totalDistance) * DANMAKU_ANIMATION_DURATION
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// 应用缩减系数并限制在合理范围内(0.8-2.5秒)
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return Math.max(0.8, Math.min(exitTime * DANMAKU_DELAY_REDUCTION_FACTOR, 2.5))
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// 限制在合理范围内(0.5-2秒)
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return Math.max(0.5, Math.min(exitTime, 2.0))
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}
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||||
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// 获取随机弹幕位置(避免重叠)
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@@ -1871,64 +1710,87 @@ const resumeDanmaku = (itemId) => {
|
||||
pausedDanmakuIds.value.delete(itemId)
|
||||
}
|
||||
|
||||
// 从队列中取出弹幕并显示
|
||||
const processDanmakuQueue = () => {
|
||||
// 如果队列为空,等待下次调用
|
||||
if (danmakuQueue.value.length === 0) {
|
||||
// 处理并显示记录 - 实时模式:立即显示新记录
|
||||
const processAndDisplayRecords = async (records) => {
|
||||
if (!records || records.length === 0) {
|
||||
return
|
||||
}
|
||||
|
||||
// 从队列头部取出一条弹幕(FIFO:旧的先显示)
|
||||
const item = danmakuQueue.value.shift()
|
||||
if (!item) {
|
||||
return
|
||||
}
|
||||
|
||||
// 计算显示属性
|
||||
const now = Date.now()
|
||||
let nextDisplayTime = now
|
||||
|
||||
// 处理每条记录
|
||||
records.forEach((record, index) => {
|
||||
const username = getDisplayUsername(record)
|
||||
const apiName = getApiName(record)
|
||||
const userId = record.user_id || record.userId || 'unknown'
|
||||
const createdAt = record.created_at || record.createdAt || new Date().toISOString()
|
||||
const productId = record.product_id || record.productId || ''
|
||||
|
||||
// 使用记录ID作为唯一标识
|
||||
const recordId = record.id || `${userId}_${productId}_${createdAt}_${index}_${Math.random().toString(36).substr(2, 9)}`
|
||||
|
||||
// 计算调用次数
|
||||
const callCount = getCallCount(record)
|
||||
|
||||
// 计算随机top位置(避免重叠)
|
||||
const randomTop = getRandomDanmakuTop(danmakuItems.value, danmakuItems.value.length)
|
||||
item.randomTop = randomTop
|
||||
const randomTop = getRandomDanmakuTop(danmakuItems.value, danmakuItems.value.length + index)
|
||||
|
||||
// 计算延迟:确保前一条弹幕的右边缘离开容器右边界后再显示下一条
|
||||
let delay = 0
|
||||
// 计算显示延迟:确保弹幕不会重叠
|
||||
let displayDelay = 0
|
||||
if (danmakuItems.value.length > 0) {
|
||||
// 找到最后一条弹幕,计算它的右边缘离开右边界的时间
|
||||
// 计算最后一条弹幕的退出时间
|
||||
const lastItem = danmakuItems.value[danmakuItems.value.length - 1]
|
||||
const lastItemDisplayTime = lastItem.actualDisplayTime || (now - (lastItem.displayDelay || 0) * 1000)
|
||||
const exitRightTime = getDanmakuExitRightTime() * 1000 // 转换为毫秒
|
||||
const lastExitTime = lastItemDisplayTime + exitRightTime
|
||||
const lastItemStartTime = lastItem.actualDisplayTime || now
|
||||
const exitRightTime = getDanmakuExitRightTime() * 1000
|
||||
const lastItemExitTime = lastItemStartTime + exitRightTime
|
||||
|
||||
const timeUntilLastExit = lastExitTime - now
|
||||
if (timeUntilLastExit > 0) {
|
||||
delay = timeUntilLastExit / 1000
|
||||
// 如果最后一条弹幕还没退出,需要等待
|
||||
if (lastItemExitTime > now) {
|
||||
displayDelay = (lastItemExitTime - now) / 1000
|
||||
} else {
|
||||
delay = Math.random() * 0.2 // 小的随机延迟,让显示更自然
|
||||
// 否则可以立即显示,但添加小随机延迟避免重叠
|
||||
displayDelay = Math.random() * 0.3
|
||||
}
|
||||
}
|
||||
|
||||
item.displayDelay = delay
|
||||
item.displayOrder = danmakuDisplayOrder.value++
|
||||
// 创建弹幕项
|
||||
const danmakuItem = {
|
||||
id: recordId,
|
||||
userId: userId,
|
||||
username: username,
|
||||
apiName: apiName,
|
||||
productId: productId,
|
||||
createdAt: createdAt,
|
||||
timestamp: new Date(createdAt).getTime(),
|
||||
callCount: callCount,
|
||||
clientIp: record.client_ip || record.clientIp || '',
|
||||
status: record.status || '',
|
||||
cost: record.cost || '',
|
||||
transactionId: record.transaction_id || record.transactionId || '',
|
||||
displayDelay: displayDelay,
|
||||
displayOrder: danmakuDisplayOrder.value++,
|
||||
randomTop: randomTop,
|
||||
actualDisplayTime: now + (displayDelay * 1000)
|
||||
}
|
||||
|
||||
// 如果延迟大于0,使用setTimeout延迟显示;否则立即显示
|
||||
if (delay > 0) {
|
||||
item.actualDisplayTime = now + (delay * 1000)
|
||||
// 延迟显示或立即显示
|
||||
if (displayDelay > 0) {
|
||||
setTimeout(() => {
|
||||
danmakuItems.value.push(item)
|
||||
// 限制弹幕数量,移除最旧的弹幕
|
||||
danmakuItems.value.push(danmakuItem)
|
||||
// 限制弹幕数量
|
||||
if (danmakuItems.value.length > MAX_DANMAKU_ITEMS) {
|
||||
danmakuItems.value = danmakuItems.value.slice(-MAX_DANMAKU_ITEMS)
|
||||
}
|
||||
}, delay * 1000)
|
||||
}, displayDelay * 1000)
|
||||
} else {
|
||||
item.actualDisplayTime = now
|
||||
danmakuItems.value.push(item)
|
||||
// 限制弹幕数量,移除最旧的弹幕
|
||||
danmakuItems.value.push(danmakuItem)
|
||||
// 限制弹幕数量
|
||||
if (danmakuItems.value.length > MAX_DANMAKU_ITEMS) {
|
||||
danmakuItems.value = danmakuItems.value.slice(-MAX_DANMAKU_ITEMS)
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
// 弹幕动画结束回调 - 从显示列表中移除已播放完成的弹幕
|
||||
@@ -1942,34 +1804,23 @@ const onDanmakuAnimationEnd = (itemId) => {
|
||||
}
|
||||
}
|
||||
|
||||
// 启动弹幕系统(队列机制)
|
||||
// 启动弹幕系统 - 实时模式
|
||||
const startDanmakuPolling = () => {
|
||||
// 立即查询一次数据库,将新记录存入队列
|
||||
// 立即查询一次数据库
|
||||
loadDanmakuData()
|
||||
|
||||
// 定时查询数据库(降低频率,因为数据已在队列中缓冲)
|
||||
// 定时查询数据库,查询到新记录立即显示
|
||||
danmakuPollingTimer.value = setInterval(() => {
|
||||
loadDanmakuData()
|
||||
}, DANMAKU_POLLING_INTERVAL)
|
||||
|
||||
// 定时从队列中取出弹幕并显示
|
||||
danmakuDisplayTimer.value = setInterval(() => {
|
||||
processDanmakuQueue()
|
||||
}, DANMAKU_DISPLAY_INTERVAL)
|
||||
}
|
||||
|
||||
// 停止弹幕系统
|
||||
const stopDanmakuPolling = () => {
|
||||
// 停止数据库查询定时器
|
||||
if (danmakuPollingTimer.value) {
|
||||
clearInterval(danmakuPollingTimer.value)
|
||||
danmakuPollingTimer.value = null
|
||||
}
|
||||
// 停止队列处理定时器
|
||||
if (danmakuDisplayTimer.value) {
|
||||
clearInterval(danmakuDisplayTimer.value)
|
||||
danmakuDisplayTimer.value = null
|
||||
}
|
||||
}
|
||||
|
||||
onMounted(() => {
|
||||
|
||||
Reference in New Issue
Block a user