545 lines
18 KiB
Vue
545 lines
18 KiB
Vue
<template>
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<!-- 设备管理-识别图片 -->
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<el-card class="image-recognition-container">
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<!-- 顶部过滤器 -->
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<el-card v-show="showSearch" class="search-card">
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<el-form :inline="true" ref="queryFormRef" :model="queryParams" label-width="auto">
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<el-form-item>
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<el-select clearable filterable v-model="queryParams.carType" placeholder="选择车辆类型"
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style="width: 250px">
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<el-option v-for="item in dict.type.car_type" :key="item.value" :label="item.label"
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:value="item.value" />
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</el-select>
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</el-form-item>
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<el-form-item>
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<el-date-picker v-model="timeRange" type="datetimerange" range-separator=" ~ "
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start-placeholder="开始时间" end-placeholder="结束时间" value-format="yyyy-MM-dd HH:mm"
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format="yyyy-MM-dd HH:mm" style="width: 400px" @change="handleTimeRangeChange" />
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</el-form-item>
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<el-form-item>
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<el-button class="query-btn" @click="handleQuery">查询</el-button>
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<el-button class="reset-btn" @click="handleReset">重置</el-button>
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<el-button class="export-btn" @click="handleExport">导出</el-button>
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</el-form-item>
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</el-form>
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</el-card>
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<!-- 数据列表 -->
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<el-card class="table-card">
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<div class="table-header">
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<h3 class="table-title">数据列表</h3>
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</div>
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<!-- 图像网格 -->
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<div class="image-grid-container" v-loading="loading">
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<div v-for="(item, index) in imageList" :key="index" class="image-card">
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<div class="image-wrapper">
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<el-image :src="item.imageUrl || test_image" fit="cover" class="detection-image"
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:preview-src-list="previewImageList">
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<div slot="error" class="image-error">
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<i class="el-icon-picture"></i>
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<span>图片加载失败</span>
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</div>
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</el-image>
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<!-- 覆盖文本 -->
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<div class="image-overlay">
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<div class="overlay-text">
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{{ formatOverlayText(item) }}
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</div>
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</div>
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</div>
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</div>
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<div v-if="imageList.length === 0 && !loading" class="empty-state">
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<i class="el-icon-picture-outline"></i>
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<p>暂无数据</p>
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</div>
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</div>
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<!-- 分页 -->
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<div class="pagination-wrapper">
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<pagination :total="total" @pagination="handlePagination" :page.sync="queryParams.pageNum"
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:limit.sync="queryParams.pageSize" />
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</div>
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</el-card>
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</el-card>
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</template>
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<script>
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import { imageRecognitionListAPI, exportImageRecognitionAPI } from '@/api/device/image-recognition'
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import { isExternal } from '@/utils/validate'
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import test_image from '@/assets/images/test_image.png'
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export default {
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name: 'ImageRecognition',
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dicts: ['car_type'],
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data() {
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return {
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showSearch: true,
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loading: false,
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imageList: [],
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total: 0,
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timeRange: null,
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test_image,
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queryParams: {
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pageNum: 1,
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pageSize: 10,
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carType: '',
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startTime: '',
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endTime: '',
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},
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}
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},
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computed: {
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previewImageList() {
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return this.imageList.map(item => item.imageUrl).filter(url => url)
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},
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},
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created() {
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// 初始化默认时间为当天的 0点0分 到 23点59分
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this.initDefaultTimeRange()
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this.getImageList()
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},
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methods: {
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/** 初始化默认时间范围 */
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initDefaultTimeRange() {
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const now = new Date()
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const todayStart = new Date(now.getFullYear(), now.getMonth(), now.getDate(), 0, 0)
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const todayEnd = new Date(now.getFullYear(), now.getMonth(), now.getDate(), 23, 59)
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const formatTime = (date) => {
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const year = date.getFullYear()
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const month = String(date.getMonth() + 1).padStart(2, '0')
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const day = String(date.getDate()).padStart(2, '0')
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const hours = String(date.getHours()).padStart(2, '0')
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const minutes = String(date.getMinutes()).padStart(2, '0')
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return `${year}-${month}-${day} ${hours}:${minutes}`
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}
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const defaultTimeRange = [formatTime(todayStart), formatTime(todayEnd)]
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this.timeRange = defaultTimeRange
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this.queryParams.startTime = defaultTimeRange[0]
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this.queryParams.endTime = defaultTimeRange[1]
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},
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/** 格式化日期时间字符串（从接口返回的格式转换） */
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formatDateTimeFromString(dateStr) {
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if (!dateStr) return ''
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// 如果已经是格式化的字符串，直接返回
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if (typeof dateStr === 'string' && dateStr.includes('-')) {
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// 如果是 yyyy-MM-dd HH:mm:ss 格式，转换为 yyyy-MM-dd HH:mm
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return dateStr.substring(0, 16)
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}
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// 如果是 Date 对象，格式化
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const date = new Date(dateStr)
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return this.formatDateTime(date)
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},
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/** 获取车辆类型标签 */
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getVehicleTypeLabel(carType) {
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if (!carType) return ''
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const typeMap = {
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'1': '油车',
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'2': '电车'
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}
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return typeMap[carType] || carType
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},
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/** 获取车牌颜色标签 */
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getCarColorLabel(carColor) {
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if (!carColor) return ''
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const colorMap = {
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'1': '蓝色',
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'2': '绿色'
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}
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return colorMap[carColor] || carColor
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},
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/** 格式化日期时间 */
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formatDateTime(date) {
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const year = date.getFullYear()
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const month = String(date.getMonth() + 1).padStart(2, '0')
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const day = String(date.getDate()).padStart(2, '0')
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const hours = String(date.getHours()).padStart(2, '0')
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const minutes = String(date.getMinutes()).padStart(2, '0')
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return `${year}-${month}-${day} ${hours}:${minutes}`
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},
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/** 获取图像列表 */
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async getImageList() {
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try {
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this.loading = true
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const params = { ...this.queryParams }
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const res = await imageRecognitionListAPI(params)
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if (res.code === 200) {
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// 映射接口返回的数据到前端使用的格式
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const list = (res.rows || []).map(item => {
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// 处理图片路径，默认使用 test_image
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let imageUrl = this.test_image
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if (item.filePath) {
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if (isExternal(item.filePath)) {
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imageUrl = item.filePath
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} else {
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imageUrl = process.env.VUE_APP_BASE_API + item.filePath
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}
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}
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return {
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id: item.identificationDataId,
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imageUrl: imageUrl,
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location: item.identificationLocation || '',
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detectTime: item.identificationTime ? this.formatDateTimeFromString(item.identificationTime) : '',
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vehicleType: this.getVehicleTypeLabel(item.carType),
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carColor: this.getCarColorLabel(item.carColor),
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// 保留原始数据
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originalData: item
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}
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})
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this.imageList = list
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this.total = res.total || 0
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} else {
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this.$message.error(res.msg || '获取数据失败')
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this.imageList = []
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this.total = 0
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}
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} catch (error) {
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console.error('获取图像列表失败:', error)
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this.$message.error('获取数据失败，请稍后重试')
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this.imageList = []
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this.total = 0
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} finally {
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this.loading = false
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}
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},
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/** 查询操作 */
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handleQuery() {
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this.queryParams.pageNum = 1
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this.getImageList()
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},
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/** 重置操作 */
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handleReset() {
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this.queryParams.carType = ''
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// 重置时恢复默认时间范围（当天的 0点0分 到 23点59分）
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this.initDefaultTimeRange()
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this.queryParams.pageNum = 1
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this.getImageList()
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},
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/** 导出操作 */
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async handleExport() {
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try {
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this.loading = true
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const params = { ...this.queryParams }
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const res = await exportImageRecognitionAPI(params)
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if (res.code === 200) {
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// 处理文件下载
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const blob = new Blob([res], { type: 'application/vnd.ms-excel' })
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const url = window.URL.createObjectURL(blob)
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const link = document.createElement('a')
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link.href = url
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link.download = `图像识别数据_${new Date().getTime()}.xlsx`
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link.click()
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window.URL.revokeObjectURL(url)
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this.$message.success('导出成功')
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} else {
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this.$message.error(res.msg || '导出失败')
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}
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} catch (error) {
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console.error('导出失败:', error)
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this.$message.error('导出失败')
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} finally {
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this.loading = false
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}
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},
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/** 时间范围变化 */
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handleTimeRangeChange(value) {
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if (value && value.length === 2) {
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this.queryParams.startTime = value[0]
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this.queryParams.endTime = value[1]
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} else {
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this.queryParams.startTime = ''
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this.queryParams.endTime = ''
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}
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},
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/** 分页变化 */
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handlePagination({ page, limit }) {
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this.queryParams.pageNum = page
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this.queryParams.pageSize = limit
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this.getImageList()
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},
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/** 格式化覆盖文本 */
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formatOverlayText(item) {
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const parts = []
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if (item.location) parts.push(item.location)
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if (item.detectTime) parts.push(item.detectTime)
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if (item.vehicleType) parts.push(item.vehicleType)
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return parts.join(' ') || '未知位置'
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},
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},
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}
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</script>
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<style scoped lang="scss">
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.image-recognition-container {
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height: calc(100vh - 84px);
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overflow: hidden;
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background: linear-gradient(180deg, #f1f6ff 20%, #e5efff 100%);
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}
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.search-card {
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margin-bottom: 10px;
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::v-deep .el-form-item {
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margin-bottom: 10px;
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}
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.query-btn {
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width: 98px;
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height: 36px;
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background: #1f72ea;
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box-shadow: 0px 4px 8px 0px rgba(51, 135, 255, 0.5);
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border-radius: 4px;
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color: #fff;
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border: none;
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font-size: 14px;
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transition: all 0.3s;
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&:hover {
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background: #4a8bff;
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box-shadow: 0px 6px 12px 0px rgba(51, 135, 255, 0.6);
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}
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}
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.reset-btn {
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width: 98px;
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height: 36px;
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background: #ffffff;
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box-shadow: 0px 4px 8px 0px rgba(76, 76, 76, 0.2);
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border-radius: 4px;
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color: #333;
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border: none;
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font-size: 14px;
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transition: all 0.3s;
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&:hover {
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background: #f5f5f5;
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box-shadow: 0px 6px 12px 0px rgba(76, 76, 76, 0.3);
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color: #40a9ff;
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}
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}
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.export-btn {
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width: 98px;
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height: 36px;
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background: #1f72ea;
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box-shadow: 0px 4px 8px 0px rgba(51, 135, 255, 0.5);
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border-radius: 4px;
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color: #fff;
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border: none;
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font-size: 14px;
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transition: all 0.3s;
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&:hover {
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background: #4a8bff;
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box-shadow: 0px 6px 12px 0px rgba(51, 135, 255, 0.6);
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}
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}
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}
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.table-card {
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height: calc(100vh - 230px);
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display: flex;
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flex-direction: column;
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overflow: hidden;
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::v-deep .el-card__body {
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padding: 20px;
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display: flex;
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flex-direction: column;
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min-height: 0;
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height: 100%;
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overflow: hidden;
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}
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.table-header {
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flex-shrink: 0;
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padding-bottom: 16px;
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.table-title {
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font-size: 16px;
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font-weight: 600;
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color: #333;
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margin: 0;
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}
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}
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.image-grid-container {
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display: grid;
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grid-template-columns: repeat(4, 1fr);
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gap: 16px;
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padding: 0 0 16px 0;
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// 防止单行数据时占满整个高度
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align-content: start;
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grid-auto-rows: min-content;
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// 使用 flex 布局，让图片区域占据剩余空间，超出时显示滚动条
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flex: 1;
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overflow-y: auto;
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min-height: 0;
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overflow-x: hidden;
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&::-webkit-scrollbar {
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width: 6px;
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}
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&::-webkit-scrollbar-track {
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background: transparent;
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}
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&::-webkit-scrollbar-thumb {
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background: rgba(0, 0, 0, 0.2);
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border-radius: 3px;
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&:hover {
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background: rgba(0, 0, 0, 0.3);
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}
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}
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.image-card {
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background: #fff;
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border-radius: 4px;
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overflow: hidden;
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box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
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transition: all 0.3s;
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// 防止在 grid 中被拉伸
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align-self: start;
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&:hover {
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box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
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transform: translateY(-2px);
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}
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.image-wrapper {
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position: relative;
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width: 100%;
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padding-top: 75%; // 4:3 比例
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overflow: hidden;
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// 防止拉伸
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height: 0;
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.detection-image {
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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}
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.image-overlay {
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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padding: 8px;
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background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), transparent);
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pointer-events: none;
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.overlay-text {
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color: #fff;
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font-size: 12px;
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line-height: 1.4;
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text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
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}
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}
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.detection-boxes {
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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pointer-events: none;
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.detection-box {
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position: absolute;
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border: 2px solid #ff0000;
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box-sizing: border-box;
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.box-corner {
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position: absolute;
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width: 8px;
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height: 8px;
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background: #00ff00;
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border: 1px solid #fff;
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&.corner-tl {
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top: -4px;
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left: -4px;
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}
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&.corner-tr {
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top: -4px;
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right: -4px;
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}
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&.corner-bl {
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bottom: -4px;
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left: -4px;
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}
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&.corner-br {
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bottom: -4px;
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right: -4px;
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}
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}
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}
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}
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.image-error {
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position: absolute;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%);
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text-align: center;
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color: #999;
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i {
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font-size: 32px;
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display: block;
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margin-bottom: 8px;
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}
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}
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}
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}
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.empty-state {
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grid-column: 1 / -1;
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text-align: center;
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padding: 60px 0;
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color: #999;
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i {
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font-size: 64px;
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display: block;
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margin-bottom: 16px;
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}
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p {
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font-size: 14px;
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margin: 0;
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}
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}
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}
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.pagination-wrapper {
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flex-shrink: 0;
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margin-top: 16px;
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padding-top: 16px;
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border-top: none;
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}
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}
|
||
</style>
|