From 9fb36f623dbe2502954700f76085150aa10a0814 Mon Sep 17 00:00:00 2001
From: cwchen <1048842385@qq.com>
Date: Tue, 23 Dec 2025 15:30:42 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A7=86=E9=A2=91=E7=AE=A1=E7=90=86?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 src/api/device/video.js          |  20 +
 src/views/device/video/index.vue | 847 +++++++++++++++++++++++++++++++
 2 files changed, 867 insertions(+)
 create mode 100644 src/api/device/video.js
 create mode 100644 src/views/device/video/index.vue

diff --git a/src/api/device/video.js b/src/api/device/video.js
new file mode 100644
index 0000000..7829f80
--- /dev/null
+++ b/src/api/device/video.js
@@ -0,0 +1,20 @@
+import request from '@/utils/request'
+
+// 设备管理->视频监控->保存画线数据
+export function saveVideoLineAPI(data) {
+    return request({
+        url: '/smartCar/device/video/saveVideoLine',
+        method: 'POST',
+        data
+    })
+}
+
+// 设备管理->视频监控->获取视频流地址
+export function getVideoStreamAPI(params) {
+    return request({
+        url: '/smartCar/device/video/getVideoStream',
+        method: 'GET',
+        params
+    })
+}
+
diff --git a/src/views/device/video/index.vue b/src/views/device/video/index.vue
new file mode 100644
index 0000000..15b1d9e
--- /dev/null
+++ b/src/views/device/video/index.vue
@@ -0,0 +1,847 @@
+<template>
+    <div class="video-monitor-container">
+        <!-- 顶部状态栏 -->
+        <el-card class="top-bar-card" shadow="never">
+            <div class="top-bar">
+                <div class="status-bar">
+                    <span class="status-text">博诺思车辆道路计数仪</span>
+                    <span class="status-indicator" :class="deviceStatus">
+                        {{ statusText }}
+                    </span>
+                </div>
+                <div class="top-right">
+                    <div class="timestamp">
+                        <i class="el-icon-time"></i>
+                        {{ currentTime }}
+                    </div>
+                    <!-- 画线按钮组 -->
+                    <div class="draw-line-buttons">
+                        <el-button 
+                            v-if="!isDrawingMode"
+                            type="primary" 
+                            class="draw-line-btn" 
+                            @click="handleDrawLine"
+                            icon="el-icon-edit"
+                        >
+                            画线
+                        </el-button>
+                        <template v-else>
+                            <el-button 
+                                type="success" 
+                                class="save-line-btn" 
+                                @click="handleSaveLines"
+                                icon="el-icon-check"
+                                :loading="saving"
+                            >
+                                保存
+                            </el-button>
+                            <el-button 
+                                type="info" 
+                                class="cancel-line-btn" 
+                                @click="handleCancelLines"
+                                icon="el-icon-close"
+                            >
+                                取消
+                            </el-button>
+                        </template>
+                    </div>
+                </div>
+            </div>
+        </el-card>
+
+        <!-- 视频播放区域 -->
+        <el-card class="video-card" shadow="never" :body-style="{ padding: '0', height: '100%' }">
+            <div class="video-wrapper">
+                <div class="video-container" ref="videoContainer">
+                    <video 
+                        ref="videoPlayer" 
+                        class="video-player" 
+                        :src="videoUrl" 
+                        autoplay 
+                        muted 
+                        controls
+                        @loadedmetadata="handleVideoLoaded" 
+                        @error="handleVideoError"
+                    >
+                        您的浏览器不支持视频播放
+                    </video>
+
+                    <!-- 画线画布覆盖层 -->
+                    <canvas 
+                        ref="drawCanvas" 
+                        class="draw-canvas" 
+                        :class="{ active: isDrawingMode }"
+                        @mousedown="startDrawing" 
+                        @mousemove="draw" 
+                        @mouseup="stopDrawing"
+                        @mouseleave="stopDrawing"
+                    ></canvas>
+                    <!-- 已保存的画线显示层（只读） -->
+                    <canvas 
+                        ref="savedLineCanvas" 
+                        class="saved-line-canvas"
+                    ></canvas>
+
+                    <!-- 车辆检测框覆盖层 -->
+                    <div class="detection-overlay">
+                        <div 
+                            v-for="(vehicle, index) in detectedVehicles" 
+                            :key="index" 
+                            class="vehicle-box" 
+                            :style="{
+                                left: vehicle.x + '%',
+                                top: vehicle.y + '%',
+                                width: vehicle.width + '%',
+                                height: vehicle.height + '%'
+                            }"
+                        >
+                            <div class="box-corner corner-tl"></div>
+                            <div class="box-corner corner-tr"></div>
+                            <div class="box-corner corner-bl"></div>
+                            <div class="box-corner corner-br"></div>
+                        </div>
+                    </div>
+
+                    <!-- 视频加载提示 -->
+                    <div v-if="!videoUrl" class="video-placeholder">
+                        <i class="el-icon-video-camera"></i>
+                        <p>暂无视频流</p>
+                    </div>
+                </div>
+            </div>
+        </el-card>
+    </div>
+</template>
+
+<script>
+import { saveVideoLineAPI } from '@/api/device/video'
+
+export default {
+    name: 'VideoMonitor',
+    data() {
+        return {
+            deviceStatus: 'online', // online, offline, standby, upgrading
+            currentTime: '',
+            videoUrl: '', // 视频流地址，可以从接口获取
+            isDrawingMode: false, // 是否开启画线模式
+            isDrawing: false,
+            startX: 0,
+            startY: 0,
+            endX: 0,
+            endY: 0,
+            line: null, // 保存画线的数据（只允许一条线）
+            savedLine: null, // 已保存的画线数据（保存成功后保留）
+            initialLine: null, // 初始的线（默认线）
+            currentLine: null, // 当前正在画的线
+            detectedVehicles: [], // 检测到的车辆数据
+            timer: null,
+            saving: false, // 保存中状态
+        }
+    },
+    computed: {
+        statusText() {
+            const statusMap = {
+                online: '在线',
+                offline: '离线',
+                standby: '待机',
+                upgrading: '升级中'
+            }
+            return statusMap[this.deviceStatus] || '未知'
+        }
+    },
+    mounted() {
+        this.updateTime()
+        this.timer = setInterval(() => {
+            this.updateTime()
+        }, 1000)
+
+        // 初始化画布
+        this.$nextTick(() => {
+            this.initCanvas()
+            // 初始化默认线（可以从接口获取，这里使用示例数据）
+            this.initInitialLine()
+        })
+
+        // 模拟加载视频（实际应该从接口获取）
+        // this.loadVideoStream()
+    },
+    beforeDestroy() {
+        if (this.timer) {
+            clearInterval(this.timer)
+        }
+    },
+    methods: {
+        /** 更新时间 */
+        updateTime() {
+            const now = new Date()
+            const year = now.getFullYear()
+            const month = String(now.getMonth() + 1).padStart(2, '0')
+            const day = String(now.getDate()).padStart(2, '0')
+            const hours = String(now.getHours()).padStart(2, '0')
+            const minutes = String(now.getMinutes()).padStart(2, '0')
+            const seconds = String(now.getSeconds()).padStart(2, '0')
+            this.currentTime = `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`
+        },
+
+        /** 初始化画布 */
+        initCanvas() {
+            const canvas = this.$refs.drawCanvas
+            const savedCanvas = this.$refs.savedLineCanvas
+            const container = this.$refs.videoContainer
+            if (container) {
+                if (canvas) {
+                    canvas.width = container.offsetWidth
+                    canvas.height = container.offsetHeight
+                }
+                if (savedCanvas) {
+                    savedCanvas.width = container.offsetWidth
+                    savedCanvas.height = container.offsetHeight
+                    // 如果有已保存的线或初始线，重新绘制
+                    if (this.savedLine || this.line || this.initialLine) {
+                        this.redrawCanvas()
+                    }
+                }
+            }
+        },
+
+        /** 初始化默认线 */
+        initInitialLine() {
+            // 可以从接口获取初始线数据
+            // 这里使用示例数据：从左上角到右下角的一条线
+            const container = this.$refs.videoContainer
+            if (container) {
+                const containerWidth = container.offsetWidth || 1920
+                const containerHeight = container.offsetHeight || 1080
+                
+                // 示例：从左上角20%位置到右下角80%位置
+                this.initialLine = {
+                    startX: containerWidth * 0.2,
+                    startY: containerHeight * 0.2,
+                    endX: containerWidth * 0.8,
+                    endY: containerHeight * 0.8
+                }
+                
+                // 如果有初始线，设置为已保存的线并显示
+                if (this.initialLine) {
+                    this.savedLine = { ...this.initialLine }
+                    this.redrawCanvas()
+                }
+            }
+            
+            // 真实场景：从接口获取初始线
+            // this.loadInitialLine()
+        },
+
+        /** 处理画线按钮点击 */
+        handleDrawLine() {
+            this.isDrawingMode = true
+            // 不清除已保存的线，保留旧线显示
+            this.line = null // 重置当前画线数据
+            this.clearCanvas() // 清除当前画布（只清除正在画的线）
+            // 如果有已保存的线，重新绘制
+            if (this.savedLine) {
+                this.redrawCanvas()
+            }
+            this.$message.success('画线模式已开启，在视频上按住鼠标左键拖动即可画线（只能画一条线）')
+        },
+
+        /** 保存画线 */
+        async handleSaveLines() {
+            // 如果有已保存的线，可以继续保存（更新保存）
+            // 如果没有新画的线，但有已保存的线，也可以保存（更新保存）
+            const lineToSave = this.line || this.savedLine
+            
+            if (!lineToSave) {
+                this.$message.warning('请先画线后再保存')
+                return
+            }
+
+            this.saving = true
+            try {
+                // 获取视频容器的尺寸，用于计算相对坐标
+                const container = this.$refs.videoContainer
+                const containerWidth = container ? container.offsetWidth : 1920
+                const containerHeight = container ? container.offsetHeight : 1080
+
+                // 准备保存的数据，将像素坐标转换为相对坐标（百分比）
+                const lineData = {
+                    startX: (lineToSave.startX / containerWidth) * 100,
+                    startY: (lineToSave.startY / containerHeight) * 100,
+                    endX: (lineToSave.endX / containerWidth) * 100,
+                    endY: (lineToSave.endY / containerHeight) * 100,
+                }
+
+                const params = {
+                    line: lineData,
+                    videoUrl: this.videoUrl,
+                    deviceId: this.$route.query.deviceId || '', // 如果有设备ID
+                }
+
+                // 模拟保存成功（延迟500ms模拟API调用）
+                await new Promise(resolve => setTimeout(resolve, 500))
+                
+                // 模拟API返回成功
+                const res = { code: 200, msg: '保存成功' }
+                
+                // 真实API调用（注释掉，使用模拟数据）
+                // const res = await saveVideoLineAPI(params)
+                
+                if (res.code === 200) {
+                    this.$message.success('画线数据保存成功')
+                    // 保存成功后，将当前线保存到已保存的线，同时更新初始线
+                    if (this.line) {
+                        const newLine = { ...this.line }
+                        this.savedLine = newLine
+                        // 保存成功后，同时更新初始线为新保存的线
+                        this.initialLine = { ...newLine }
+                        this.line = null
+                    }
+                    // 关闭画线模式，但保留画线在画布上
+                    this.isDrawingMode = false
+                    // 清除当前画布
+                    this.clearCanvas()
+                    // 重绘已保存的画线（只显示最新的线）
+                    this.redrawCanvas()
+                } else {
+                    this.$message.error(res.msg || '保存失败')
+                }
+            } catch (error) {
+                console.error('保存画线数据失败:', error)
+                this.$message.error('保存失败，请稍后重试')
+            } finally {
+                this.saving = false
+            }
+        },
+
+        /** 取消画线 */
+        handleCancelLines() {
+            // 如果初始线还在，使用初始线
+            if (this.initialLine) {
+                this.isDrawingMode = false
+                this.line = null // 清除当前正在画的线
+                this.clearCanvas() // 清除当前画布
+                // 恢复使用初始线
+                this.savedLine = { ...this.initialLine }
+                this.redrawCanvas()
+                this.$message.info('已取消画线模式，恢复初始线')
+            } else if (this.savedLine) {
+                // 如果有已保存的线（但不是初始线），只关闭画线模式，不清空线
+                this.isDrawingMode = false
+                this.line = null // 清除当前正在画的线
+                this.clearCanvas() // 清除当前画布
+                // 保留已保存的画线，重新绘制
+                this.redrawCanvas()
+                this.$message.info('已取消画线模式')
+            } else {
+                // 如果没有已保存的线，清除所有画线
+                this.$confirm('确定要取消画线吗？画线将被清除', '提示', {
+                    confirmButtonText: '确定',
+                    cancelButtonText: '取消',
+                    type: 'warning'
+                }).then(() => {
+                    this.isDrawingMode = false
+                    this.line = null
+                    this.clearCanvas()
+                    // 清除已保存的画线显示层
+                    const savedCanvas = this.$refs.savedLineCanvas
+                    if (savedCanvas) {
+                        const ctx = savedCanvas.getContext('2d')
+                        ctx.clearRect(0, 0, savedCanvas.width, savedCanvas.height)
+                    }
+                    this.$message.info('已取消画线')
+                }).catch(() => {
+                    // 用户取消操作
+                })
+            }
+        },
+
+        /** 清除画布 */
+        clearCanvas() {
+            const canvas = this.$refs.drawCanvas
+            if (canvas) {
+                const ctx = canvas.getContext('2d')
+                ctx.clearRect(0, 0, canvas.width, canvas.height)
+            }
+        },
+
+        /** 开始画线 */
+        startDrawing(e) {
+            if (!this.isDrawingMode) return
+            // 如果已经存在已保存的线，清除它（使用最新的线）
+            if (this.savedLine) {
+                this.savedLine = null
+                // 清除已保存的画线显示层
+                const savedCanvas = this.$refs.savedLineCanvas
+                if (savedCanvas) {
+                    const ctx = savedCanvas.getContext('2d')
+                    ctx.clearRect(0, 0, savedCanvas.width, savedCanvas.height)
+                }
+            }
+            // 如果正在画新线，清除当前线（只允许一条线）
+            if (this.line) {
+                this.line = null
+            }
+            this.isDrawing = true
+            const canvas = this.$refs.drawCanvas
+            const rect = canvas.getBoundingClientRect()
+            this.startX = e.clientX - rect.left
+            this.startY = e.clientY - rect.top
+            this.currentLine = {
+                startX: this.startX,
+                startY: this.startY,
+                endX: this.startX,
+                endY: this.startY
+            }
+        },
+
+        /** 画线 */
+        draw(e) {
+            if (!this.isDrawing) return
+            const canvas = this.$refs.drawCanvas
+            const ctx = canvas.getContext('2d')
+            const rect = canvas.getBoundingClientRect()
+            const currentX = e.clientX - rect.left
+            const currentY = e.clientY - rect.top
+
+            // 更新当前线的终点
+            if (this.currentLine) {
+                this.currentLine.endX = currentX
+                this.currentLine.endY = currentY
+            }
+
+            // 重绘画布：只绘制当前正在画的线（已保存的线在另一个画布上显示，不会被清除）
+            ctx.clearRect(0, 0, canvas.width, canvas.height)
+            ctx.strokeStyle = '#00ff00'
+            ctx.lineWidth = 2
+
+            // 绘制当前正在画的线
+            if (this.currentLine) {
+                ctx.beginPath()
+                ctx.moveTo(this.currentLine.startX, this.currentLine.startY)
+                ctx.lineTo(this.currentLine.endX, this.currentLine.endY)
+                ctx.stroke()
+            }
+        },
+
+        /** 停止画线 */
+        stopDrawing() {
+            if (this.isDrawing && this.currentLine) {
+                // 只有当起点和终点不同时才保存
+                if (this.currentLine.startX !== this.currentLine.endX || 
+                    this.currentLine.startY !== this.currentLine.endY) {
+                    // 如果已经存在已保存的线，清除它（使用最新的线）
+                    if (this.savedLine) {
+                        this.savedLine = null
+                        // 清除已保存的画线显示层
+                        const savedCanvas = this.$refs.savedLineCanvas
+                        if (savedCanvas) {
+                            const ctx = savedCanvas.getContext('2d')
+                            ctx.clearRect(0, 0, savedCanvas.width, savedCanvas.height)
+                        }
+                    }
+                    
+                    // 保存当前画的线（只保存一条线）
+                    this.line = {
+                        startX: this.currentLine.startX,
+                        startY: this.currentLine.startY,
+                        endX: this.currentLine.endX,
+                        endY: this.currentLine.endY
+                    }
+                    
+                    // 重绘画布，显示当前画的线
+                    this.redrawCanvas()
+                }
+                this.currentLine = null
+            }
+            this.isDrawing = false
+        },
+
+        /** 重绘画布 */
+        redrawCanvas() {
+            // 绘制到已保存的画线显示层
+            const savedCanvas = this.$refs.savedLineCanvas
+            if (savedCanvas) {
+                const container = this.$refs.videoContainer
+                if (container) {
+                    savedCanvas.width = container.offsetWidth
+                    savedCanvas.height = container.offsetHeight
+                }
+                
+                const ctx = savedCanvas.getContext('2d')
+                ctx.clearRect(0, 0, savedCanvas.width, savedCanvas.height)
+                
+                // 绘制已保存的线（优先显示已保存的线，如果没有则显示当前线，最后显示初始线）
+                const lineToDraw = this.savedLine || this.line || this.initialLine
+                if (lineToDraw) {
+                    ctx.strokeStyle = '#00ff00'
+                    ctx.lineWidth = 2
+                    ctx.beginPath()
+                    ctx.moveTo(lineToDraw.startX, lineToDraw.startY)
+                    ctx.lineTo(lineToDraw.endX, lineToDraw.endY)
+                    ctx.stroke()
+                }
+            }
+        },
+
+        /** 视频加载完成 */
+        handleVideoLoaded() {
+            console.log('视频加载完成')
+            // 可以在这里获取视频尺寸并调整画布大小
+            this.$nextTick(() => {
+                this.initCanvas()
+                // 如果有已保存的线或初始线，重新绘制
+                if (this.savedLine || this.line || this.initialLine) {
+                    this.redrawCanvas()
+                }
+            })
+        },
+
+        /** 视频加载错误 */
+        handleVideoError(e) {
+            console.error('视频加载失败:', e)
+            this.$message.error('视频加载失败，请检查视频源地址')
+        },
+
+        /** 加载视频流 */
+        async loadVideoStream() {
+            // 这里应该调用API获取视频流地址
+            // const res = await getVideoStreamAPI()
+            // if (res.code === 200) {
+            //     this.videoUrl = res.data.streamUrl
+            // }
+
+            // 示例：使用测试视频URL
+            // this.videoUrl = 'https://example.com/video-stream.mp4'
+        }
+    }
+}
+</script>
+
+<style scoped lang="scss">
+.video-monitor-container {
+    width: 100%;
+    height: calc(100vh - 84px);
+    display: flex;
+    flex-direction: column;
+    background: linear-gradient(180deg, #f1f6ff 20%, #e5efff 100%);
+    padding: 20px;
+    gap: 20px;
+    overflow: hidden;
+}
+
+.top-bar-card {
+    margin-bottom: 0;
+    flex-shrink: 0;
+
+    ::v-deep .el-card__body {
+        padding: 20px 24px;
+    }
+}
+
+.top-bar {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    width: 100%;
+
+    .status-bar {
+        display: flex;
+        align-items: center;
+        gap: 16px;
+
+        .status-text {
+            font-size: 18px;
+            font-weight: 600;
+            color: #333;
+            letter-spacing: 0.5px;
+        }
+
+        .status-indicator {
+            padding: 6px 16px;
+            border-radius: 6px;
+            font-size: 14px;
+            font-weight: 500;
+            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+            transition: all 0.3s;
+
+            &.online {
+                background: linear-gradient(135deg, #67c23a 0%, #85ce61 100%);
+                color: #fff;
+            }
+
+            &.offline {
+                background: linear-gradient(135deg, #909399 0%, #a6a9ad 100%);
+                color: #fff;
+            }
+
+            &.standby {
+                background: linear-gradient(135deg, #e6a23c 0%, #ebb563 100%);
+                color: #fff;
+            }
+
+            &.upgrading {
+                background: linear-gradient(135deg, #409eff 0%, #66b1ff 100%);
+                color: #fff;
+            }
+        }
+    }
+
+    .top-right {
+        display: flex;
+        align-items: center;
+        gap: 20px;
+
+        .timestamp {
+            display: flex;
+            align-items: center;
+            gap: 8px;
+            font-size: 14px;
+            color: #666;
+            font-family: 'Courier New', monospace;
+            padding: 6px 12px;
+            background: #f5f7fa;
+            border-radius: 4px;
+
+            i {
+                font-size: 16px;
+                color: #409eff;
+            }
+        }
+
+        .draw-line-buttons {
+            display: flex;
+            align-items: center;
+            gap: 12px;
+        }
+
+        .draw-line-btn {
+            background: #1f72ea;
+            border: none;
+            box-shadow: 0px 4px 8px 0px rgba(51, 135, 255, 0.5);
+            border-radius: 4px;
+            padding: 10px 24px;
+            font-size: 14px;
+            font-weight: 500;
+            transition: all 0.3s;
+
+            &:hover {
+                background: #4a8bff;
+                box-shadow: 0px 6px 12px 0px rgba(51, 135, 255, 0.6);
+                transform: translateY(-1px);
+            }
+        }
+
+        .save-line-btn {
+            background: #67c23a;
+            border: none;
+            box-shadow: 0px 4px 8px 0px rgba(103, 194, 58, 0.5);
+            border-radius: 4px;
+            padding: 10px 24px;
+            font-size: 14px;
+            font-weight: 500;
+            transition: all 0.3s;
+
+            &:hover {
+                background: #85ce61;
+                box-shadow: 0px 6px 12px 0px rgba(103, 194, 58, 0.6);
+                transform: translateY(-1px);
+            }
+        }
+
+        .cancel-line-btn {
+            background: #909399;
+            border: none;
+            box-shadow: 0px 4px 8px 0px rgba(144, 147, 153, 0.5);
+            border-radius: 4px;
+            padding: 10px 24px;
+            font-size: 14px;
+            font-weight: 500;
+            transition: all 0.3s;
+
+            &:hover {
+                background: #a6a9ad;
+                box-shadow: 0px 6px 12px 0px rgba(144, 147, 153, 0.6);
+                transform: translateY(-1px);
+            }
+        }
+    }
+}
+
+.video-card {
+    flex: 1;
+    display: flex;
+    flex-direction: column;
+    overflow: hidden;
+    min-height: 0;
+
+    ::v-deep .el-card__body {
+        height: 100%;
+        padding: 0;
+        display: flex;
+        flex-direction: column;
+    }
+}
+
+.video-wrapper {
+    flex: 1;
+    position: relative;
+    overflow: hidden;
+    background: #000;
+    border-radius: 4px;
+    min-height: 0;
+}
+
+.video-container {
+    width: 100%;
+    height: 100%;
+    position: relative;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+.video-player {
+    width: 100%;
+    height: 100%;
+    object-fit: contain;
+    background: #000;
+}
+
+.video-placeholder {
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    transform: translate(-50%, -50%);
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    gap: 16px;
+    color: #909399;
+    z-index: 0;
+
+    i {
+        font-size: 64px;
+        opacity: 0.5;
+    }
+
+    p {
+        font-size: 16px;
+        margin: 0;
+    }
+}
+
+.draw-canvas {
+    position: absolute;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    pointer-events: none;
+    z-index: 2;
+}
+
+.draw-canvas.active {
+    pointer-events: auto;
+    cursor: crosshair;
+}
+
+.saved-line-canvas {
+    position: absolute;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    pointer-events: none;
+    z-index: 1.5;
+}
+
+.detection-overlay {
+    position: absolute;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    pointer-events: none;
+    z-index: 1;
+}
+
+.vehicle-box {
+    position: absolute;
+    border: 2px solid #00ff00;
+    box-sizing: border-box;
+    pointer-events: none;
+    animation: pulse 2s infinite;
+
+    .box-corner {
+        position: absolute;
+        width: 12px;
+        height: 12px;
+        background: #00ff00;
+        border: 2px solid #000;
+        box-sizing: border-box;
+
+        &.corner-tl {
+            top: -6px;
+            left: -6px;
+            border-right: none;
+            border-bottom: none;
+        }
+
+        &.corner-tr {
+            top: -6px;
+            right: -6px;
+            border-left: none;
+            border-bottom: none;
+        }
+
+        &.corner-bl {
+            bottom: -6px;
+            left: -6px;
+            border-right: none;
+            border-top: none;
+        }
+
+        &.corner-br {
+            bottom: -6px;
+            right: -6px;
+            border-left: none;
+            border-top: none;
+        }
+    }
+}
+
+@keyframes pulse {
+    0%, 100% {
+        opacity: 1;
+    }
+    50% {
+        opacity: 0.7;
+    }
+}
+
+// 响应式调整
+@media (max-width: 768px) {
+    .video-monitor-container {
+        padding: 8px;
+        gap: 8px;
+    }
+
+    .top-bar {
+        flex-direction: column;
+        gap: 12px;
+        align-items: flex-start;
+
+        .top-right {
+            width: 100%;
+            justify-content: space-between;
+            flex-wrap: wrap;
+        }
+    }
+
+    .top-bar-card {
+        ::v-deep .el-card__body {
+            padding: 12px;
+        }
+    }
+}
+</style>