From 9f811b86e960c137c3882f97c25bc906474c6d62 Mon Sep 17 00:00:00 2001
From: 18278715334 <18278715334@163.com>
Date: Mon, 8 Dec 2025 15:03:37 +0800
Subject: [PATCH] 41
---
.../admin/statistics/SystemStatisticsPage.vue | 443 ++++++------------
1 file changed, 147 insertions(+), 296 deletions(-)
diff --git a/src/pages/admin/statistics/SystemStatisticsPage.vue b/src/pages/admin/statistics/SystemStatisticsPage.vue
index 8b86886..5083086 100644
--- a/src/pages/admin/statistics/SystemStatisticsPage.vue
+++ b/src/pages/admin/statistics/SystemStatisticsPage.vue
@@ -122,7 +122,7 @@
实时API调用动态
- 队列缓冲 · 最多显示100条
+ 实时更新 · 最多显示100条
@@ -582,38 +582,25 @@ const apiPopularityData = ref([])
// 今日认证企业数据
const todayCertifiedEnterprises = ref([])
-// 弹幕相关数据(队列FIFO)
+// 弹幕相关数据 - 重构为实时显示模式
const danmakuItems = ref([]) // 正在显示的弹幕列表
-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)
const danmakuContainer = ref(null)
const danmakuPollingTimer = ref(null) // 数据库查询定时器
-const danmakuDisplayTimer = ref(null) // 从队列取出弹幕显示的定时器
-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)
-const lastEnqueueTime = ref(null) // 最后入队记录的时间点(备用)
-const isFirstLoad = ref(true) // 标记是否是首次加载
-// 缓存每个用户-产品组合的调用次数,避免重复查询
-const callCountCache = ref(new Map()) // key: `${userId}_${productId}`, value: { count: number, lastUpdated: timestamp }
+const lastQueryTime = ref(null) // 最后查询的时间点
const processedRecordIds = ref(new Set()) // 已处理的记录ID集合,用于去重
-const MAX_DANMAKU_ITEMS = 100 // 最多显示的弹幕数量
-const MAX_QUEUE_SIZE = 200 // 队列最大容量
-const DANMAKU_POLLING_INTERVAL = 5000 // 数据库查询间隔(毫秒)- 5秒,降低查询频率
-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
-// 暂停的弹幕ID集合
-const pausedDanmakuIds = ref(new Set())
-// 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)
-const lastRowDisplayTime = ref([0, 0]) // [第0行最后显示时间, 第1行最后显示时间]
+const pausedDanmakuIds = ref(new Set()) // 暂停的弹幕ID集合
const danmakuDisplayOrder = ref(0) // 弹幕显示顺序,用于z-index
-// 弹幕尺寸配置
-const DANMAKU_ITEM_HEIGHT = 28 // 每条弹幕的高度(更紧凑)
+const isProcessing = ref(false) // 是否正在处理新记录,避免并发
+
+// 配置常量
+const MAX_DANMAKU_ITEMS = 100 // 最多显示的弹幕数量
+const DANMAKU_POLLING_INTERVAL = 1500 // 数据库查询间隔(毫秒)- 1.5秒,提高实时性
+const DANMAKU_ITEM_HEIGHT = 28 // 每条弹幕的高度
const DANMAKU_CONTAINER_HEIGHT = 80 // 容器高度
const DANMAKU_MIN_SPACING = 32 // 最小垂直间距(避免重叠)
const DANMAKU_ANIMATION_DURATION = 15 // 动画持续时间(秒)
-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)
-const DANMAKU_DELAY_REDUCTION_FACTOR = 0.6 // 延迟缩减系数,让弹幕显示更紧凑
-// 错误重试相关
-const danmakuRetryCount = ref(0) // 连续失败次数
-const MAX_RETRY_COUNT = 3 // 最大重试次数
-const RETRY_DELAY = 2000 // 重试延迟(毫秒)
+const DANMAKU_ESTIMATED_WIDTH = 250 // 估算的弹幕宽度(像素)
+const MAX_PROCESSED_IDS = 1000 // 最大已处理ID数量,避免内存泄漏
// 快捷选择配置
@@ -1445,96 +1432,27 @@ const formatDateTime = (date) => {
return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`
}
-// 批量查询调用次数(优化性能)
-const batchQueryCallCounts = async (records) => {
- // 按用户-产品分组,并为每个记录计算调用次数
- const callCountMap = new Map()
-
- // 为每条记录单独计算调用次数(简化处理,避免复杂的批量查询)
- // 使用缓存优化性能
- const callCountPromises = records.map(async (record) => {
- const userId = record.user_id || record.userId || 'unknown'
- const productId = record.product_id || record.productId || ''
- const createdAt = record.created_at || record.createdAt || new Date().toISOString()
- const recordId = record.id || `${userId}_${productId}_${createdAt}`
-
- if (userId === 'unknown' || !productId) {
- return { recordId, callCount: 1 }
- }
-
- // 检查缓存(使用更精确的缓存键:用户+产品+时间)
- const cacheKey = `${userId}_${productId}`
- const cached = callCountCache.value.get(cacheKey)
-
- // 如果缓存存在且时间在1分钟内,使用缓存值并递增
- if (cached && Date.now() - cached.lastUpdated < 60000) {
- const callCount = cached.count + 1
- // 更新缓存
- callCountCache.value.set(cacheKey, {
- count: callCount,
- lastUpdated: Date.now()
- })
- return { recordId, callCount }
- }
-
- try {
- // 查询该用户对该产品在创建时间之前的调用记录数量
- const countParams = {
- page: 1,
- page_size: 100, // 获取足够多的记录以便统计
- user_id: userId,
- end_time: formatDateTime(new Date(createdAt)),
- sort_by: 'created_at',
- sort_order: 'desc'
- }
-
- const countResponse = await apiCallApi.getAdminApiCalls(countParams)
- if (countResponse.success && countResponse.data?.items) {
- // 在客户端过滤出该产品的记录
- const productCalls = countResponse.data.items.filter(item => {
- const itemProductId = item.product_id || item.productId || ''
- const itemCreatedAt = item.created_at || item.createdAt || ''
- if (itemProductId === productId) {
- if (itemCreatedAt && createdAt) {
- return new Date(itemCreatedAt) <= new Date(createdAt)
- }
- return true
- }
- return false
- })
-
- const callCount = productCalls.length + 1 // +1 包括当前记录
-
- // 更新缓存
- callCountCache.value.set(cacheKey, {
- count: callCount,
- lastUpdated: Date.now()
- })
-
- return { recordId, callCount }
- }
- } catch (err) {
- console.error('查询调用次数失败:', err, { userId, productId })
- }
-
- return { recordId, callCount: 1 }
- })
-
- const results = await Promise.all(callCountPromises)
- results.forEach(({ recordId, callCount }) => {
- callCountMap.set(recordId, callCount)
- })
-
- return callCountMap
+// 获取调用次数(简化版本,实时显示不需要精确计数)
+const getCallCount = (record) => {
+ // 实时弹幕中,调用次数可以简化为1,或者从记录中获取
+ // 如果需要精确计数,可以后续优化
+ return record.call_count || 1
}
-// 加载弹幕数据(只负责查询数据库并将新记录存入队列)
+// 加载弹幕数据 - 实时模式:查询到新记录立即显示
const loadDanmakuData = async () => {
+ // 如果正在处理,跳过本次查询
+ if (isProcessing.value) {
+ return
+ }
+
try {
+ isProcessing.value = true
const now = new Date()
let params = {}
-
- if (isFirstLoad.value) {
+
+ // 构建查询参数
+ if (!lastQueryTime.value) {
// 首次加载:获取最近30条记录
params = {
page: 1,
@@ -1543,38 +1461,21 @@ const loadDanmakuData = async () => {
sort_order: 'desc'
}
} else {
- // 持续轮询:获取最新的记录
- if (!lastEnqueueTime.value) {
- // 如果没有上次入队时间,获取最近1分钟的记录
- const oneMinuteAgo = new Date(now.getTime() - 60 * 1000)
- params = {
- page: 1,
- page_size: 50,
- start_time: formatDateTime(oneMinuteAgo),
- sort_by: 'created_at',
- sort_order: 'desc'
- }
- } else {
- // 获取自上次入队时间之后的新记录
- const nextTime = new Date(lastEnqueueTime.value.getTime() + 1)
- params = {
- page: 1,
- page_size: 50,
- start_time: formatDateTime(nextTime),
- sort_by: 'created_at',
- sort_order: 'desc'
- }
+ // 获取自上次查询时间之后的新记录
+ params = {
+ page: 1,
+ page_size: 50,
+ start_time: formatDateTime(lastQueryTime.value),
+ sort_by: 'created_at',
+ sort_order: 'desc'
}
}
const response = await apiCallApi.getAdminApiCalls(params)
-
- // 重置重试计数(请求成功)
- danmakuRetryCount.value = 0
-
+
if (response.success && response.data?.items) {
const records = response.data.items
-
+
// 过滤掉已处理的记录(使用ID去重)
const newRecords = records.filter(record => {
const recordId = record.id || `${record.user_id || record.userId}_${record.created_at || record.createdAt}`
@@ -1582,113 +1483,51 @@ const loadDanmakuData = async () => {
return false
}
processedRecordIds.value.add(recordId)
+
// 限制已处理ID集合的大小,避免内存泄漏
- if (processedRecordIds.value.size > 1000) {
+ if (processedRecordIds.value.size > MAX_PROCESSED_IDS) {
const idsArray = Array.from(processedRecordIds.value)
- processedRecordIds.value = new Set(idsArray.slice(-500))
+ processedRecordIds.value = new Set(idsArray.slice(-MAX_PROCESSED_IDS / 2))
}
return true
})
-
- if (newRecords.length === 0) {
- // 没有新记录,但更新lastEnqueueTime为查询到的最新记录时间
- if (records.length > 0) {
- const latestRecord = records[0]
- const latestTime = new Date(latestRecord.created_at || latestRecord.createdAt || now)
- if (!lastEnqueueTime.value || latestTime > lastEnqueueTime.value) {
- lastEnqueueTime.value = latestTime
- if (latestRecord.id) {
- lastEnqueuedId.value = latestRecord.id
- }
- }
+
+ // 更新查询时间
+ if (records.length > 0) {
+ const latestRecord = records.reduce((latest, current) => {
+ const latestTime = new Date(latest.created_at || latest.createdAt || 0).getTime()
+ const currentTime = new Date(current.created_at || current.createdAt || 0).getTime()
+ return currentTime > latestTime ? current : latest
+ })
+ const latestTime = new Date(latestRecord.created_at || latestRecord.createdAt || now)
+ if (!lastQueryTime.value || latestTime > lastQueryTime.value) {
+ lastQueryTime.value = latestTime
}
- return
- }
-
- // 批量查询调用次数(优化性能)
- const callCountMap = await batchQueryCallCounts(newRecords)
-
- // 将记录转换为弹幕项并存入队列
- const newItems = newRecords.map((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(优先使用后端ID)
- const tempRecordId = record.id || `${userId}_${productId}_${createdAt}`
- const recordId = record.id || `${tempRecordId}_${index}_${Math.random().toString(36).substr(2, 9)}`
-
- // 从批量查询结果中获取调用次数
- const callCount = callCountMap.get(tempRecordId) || 1
-
- return {
- id: recordId,
- userId: userId,
- username: username,
- apiName: apiName,
- productId: productId,
- createdAt: createdAt,
- timestamp: new Date(createdAt).getTime(),
- callCount: callCount,
- // 详细信息用于悬停显示
- clientIp: record.client_ip || record.clientIp || '',
- status: record.status || '',
- cost: record.cost || '',
- transactionId: record.transaction_id || record.transactionId || '',
- // 弹幕显示相关属性(将在显示时计算)
- displayDelay: 0,
- rowIndex: -1,
- displayOrder: 0,
- randomTop: undefined
- }
- })
-
- // 将新记录存入队列(按时间排序,旧的在前,新的在后)
- const sortedItems = newItems.sort((a, b) => a.timestamp - b.timestamp)
- danmakuQueue.value.push(...sortedItems)
-
- // 限制队列大小,避免内存泄漏
- if (danmakuQueue.value.length > MAX_QUEUE_SIZE) {
- danmakuQueue.value = danmakuQueue.value.slice(-MAX_QUEUE_SIZE)
- }
-
- // 更新lastEnqueueTime为最后入队记录的时间
- if (sortedItems.length > 0) {
- const lastItem = sortedItems[sortedItems.length - 1]
- lastEnqueueTime.value = new Date(lastItem.createdAt)
- if (lastItem.id) {
- lastEnqueuedId.value = lastItem.id
+ } else {
+ // 如果没有记录,更新时间到当前时间减1秒
+ const oneSecondAgo = new Date(now.getTime() - 1000)
+ if (!lastQueryTime.value || oneSecondAgo > lastQueryTime.value) {
+ lastQueryTime.value = oneSecondAgo
}
}
-
- 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}`)
-
- // 标记首次加载完成
- if (isFirstLoad.value) {
- isFirstLoad.value = false
- }
- } else {
- // 请求失败时,保持lastEnqueueTime不变,确保下次查询不会跳过记录
- if (!isFirstLoad.value) {
- console.log('请求失败,保持lastEnqueueTime不变:', lastEnqueueTime.value)
+
+ // 如果有新记录,立即处理并显示
+ if (newRecords.length > 0) {
+ // 按时间排序(旧的在前,新的在后)
+ const sortedRecords = newRecords.sort((a, b) => {
+ const timeA = new Date(a.created_at || a.createdAt || 0).getTime()
+ const timeB = new Date(b.created_at || b.createdAt || 0).getTime()
+ return timeA - timeB
+ })
+
+ // 立即处理并显示新记录
+ await processAndDisplayRecords(sortedRecords)
}
}
} catch (err) {
console.error('获取弹幕数据失败:', err)
- // 增加重试计数
- danmakuRetryCount.value++
-
- // 如果连续失败次数超过阈值,使用指数退避延迟重试
- if (danmakuRetryCount.value >= MAX_RETRY_COUNT) {
- console.warn('弹幕数据获取连续失败,将在', RETRY_DELAY, 'ms后重试')
- setTimeout(() => {
- danmakuRetryCount.value = 0 // 重置计数
- loadDanmakuData()
- }, RETRY_DELAY * danmakuRetryCount.value)
- }
- // 不显示错误消息,避免干扰用户体验
+ } finally {
+ isProcessing.value = false
}
}
@@ -1696,7 +1535,7 @@ const loadDanmakuData = async () => {
// 计算弹幕右边缘离开容器右边界所需的时间(秒)
const getDanmakuExitRightTime = () => {
if (!danmakuContainer.value) {
- return 1.5 * DANMAKU_DELAY_REDUCTION_FACTOR // 默认值,应用缩减系数
+ return 1.0 // 默认值
}
const containerWidth = danmakuContainer.value.clientWidth || 1200
@@ -1710,8 +1549,8 @@ const getDanmakuExitRightTime = () => {
// 时间 = (弹幕宽度 / 总移动距离) * 动画持续时间
const exitTime = (danmakuWidth / totalDistance) * DANMAKU_ANIMATION_DURATION
- // 应用缩减系数并限制在合理范围内(0.8-2.5秒)
- return Math.max(0.8, Math.min(exitTime * DANMAKU_DELAY_REDUCTION_FACTOR, 2.5))
+ // 限制在合理范围内(0.5-2秒)
+ return Math.max(0.5, Math.min(exitTime, 2.0))
}
// 获取随机弹幕位置(避免重叠)
@@ -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()
-
- // 计算随机top位置(避免重叠)
- const randomTop = getRandomDanmakuTop(danmakuItems.value, danmakuItems.value.length)
- item.randomTop = randomTop
-
- // 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
- 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
- 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
+ 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 || ''
- const timeUntilLastExit = lastExitTime - now
- if (timeUntilLastExit > 0) {
- delay = timeUntilLastExit / 1000
- } else {
- delay = Math.random() * 0.2 // 小的随机延迟,让显示更自然
+ // 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 + index)
+
+ // 计算显示延迟:确保弹幕不会重叠
+ let displayDelay = 0
+ if (danmakuItems.value.length > 0) {
+ // 计算最后一条弹幕的退出时间
+ const lastItem = danmakuItems.value[danmakuItems.value.length - 1]
+ const lastItemStartTime = lastItem.actualDisplayTime || now
+ const exitRightTime = getDanmakuExitRightTime() * 1000
+ const lastItemExitTime = lastItemStartTime + exitRightTime
+
+ // 如果最后一条弹幕还没退出,需要等待
+ if (lastItemExitTime > now) {
+ displayDelay = (lastItemExitTime - now) / 1000
+ } else {
+ // 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++
-
- // 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)
- setTimeout(() => {
- danmakuItems.value.push(item)
- // 限制弹幕数量,移除最旧的弹幕
+
+ // 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)
+ }
+
+ // 延迟显示或立即显示
+ if (displayDelay > 0) {
+ setTimeout(() => {
+ 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)
+ }
+ }, displayDelay * 1000)
+ } else {
+ 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)
- } else {
- item.actualDisplayTime = now
- danmakuItems.value.push(item)
- // 限制弹幕数量,移除最旧的弹幕
- 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(() => {