feat(cost): 新增成本趋势分析页面
实现了基于产线筛选的成本数据趋势可视化页面，包含报表筛选、成本类别和成本项多选过滤，支持多趋势线对比展示，自动适配图表布局与图例滚动，同时展示统计摘要信息。
This commit is contained in:
488
klp-ui/src/views/cost/trend.vue
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488
klp-ui/src/views/cost/trend.vue
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<template>
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<div class="app-container cost-trend-page">
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<!-- 筛选区 -->
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<el-card class="mb8">
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<div class="filter-bar">
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<el-radio-group
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v-model="selectedLine"
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size="small"
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@change="onLineChange"
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>
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<el-radio-button
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v-for="line in productionLines"
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:key="line.lineId"
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:label="line.lineId"
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>
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{{ line.lineName }}
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</el-radio-button>
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</el-radio-group>
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<el-button type="primary" size="small" icon="el-icon-search" :loading="loading" @click="fetchData">
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查询
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</el-button>
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</div>
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</el-card>
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<!-- 统计摘要 -->
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<div v-if="reports.length > 0" class="stats-row">
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<div class="stat-item stat-blue">
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<span class="stat-val">{{ reports.length }}</span>
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<span class="stat-label">参与报表数</span>
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</div>
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<div class="stat-item stat-orange">
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<span class="stat-val">{{ summary.seriesCount }}</span>
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<span class="stat-label">趋势线数</span>
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</div>
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<div class="stat-item stat-green">
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<span class="stat-val">{{ summary.maxLabel }}</span>
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<span class="stat-label">单报表最高数量</span>
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</div>
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</div>
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<!-- 图表筛选 -->
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<div v-if="reports.length > 0" class="chart-filter-bar">
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<span class="filter-label">图表筛选：</span>
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<el-select
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v-model="selectedCategories"
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multiple
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collapse-tags
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placeholder="成本类别（全部）"
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size="small"
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style="width:160px"
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@change="onCategoryChange"
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clearable
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>
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<el-option label="原料" value="原料" />
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<el-option label="能耗" value="能耗" />
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<el-option label="辅料" value="辅料" />
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<el-option label="设备" value="设备" />
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<el-option label="人工" value="人工" />
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<el-option label="产出" value="产出" />
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<el-option label="轧辊" value="轧辊" />
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<el-option label="其他" value="其他" />
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</el-select>
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<el-select
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v-model="selectedItems"
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multiple
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collapse-tags
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filterable
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placeholder="成本项（全部）"
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size="small"
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style="width:220px"
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@change="onItemChange"
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clearable
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>
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<el-option
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v-for="it in filteredItemOptions"
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:key="it.itemId"
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:label="it.itemName + ' (' + it.category + ')'"
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:value="it.itemId"
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/>
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</el-select>
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</div>
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<!-- 图表区 -->
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<div class="chart-box" v-loading="loading">
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<div ref="trendChart" class="chart-body" />
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</div>
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<div v-if="summary.seriesCount > 15" class="legend-hint">
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<i class="el-icon-info" /> 图例较多，可在下方图例区滚动查看，或缩小筛选范围以减少趋势线数量
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</div>
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</div>
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</template>
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<script>
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import * as echarts from 'echarts'
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import { mapGetters } from 'vuex'
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import { listProdReport } from '@/api/cost/prodReport'
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import { listProdDetail } from '@/api/cost/prodDetail'
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import { listItem } from '@/api/cost/item'
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const COLORS = [
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'#409eff', '#67c23a', '#e6a23c', '#f56c6c', '#909399',
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'#9b59b6', '#1abc9c', '#e74c3c', '#3498db', '#2ecc71',
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'#f39c12', '#e91e63', '#00bcd4', '#8bc34a', '#ff5722',
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'#607d8b', '#3f51b5', '#cddc39', '#ff9800', '#795548',
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'#2196f3', '#4caf50', '#ffc107', '#9c27b0', '#00bcd4'
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]
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export default {
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name: 'CostTrend',
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data() {
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return {
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selectedLine: null,
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selectedCategories: [],
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selectedItems: [],
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allItems: [],
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loading: false,
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chart: null,
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reports: [],
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cachedDetails: [],
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summary: { seriesCount: 0, maxLabel: '-' }
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}
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},
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computed: {
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...mapGetters(['productionLines']),
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selectedLineObj() {
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if (!this.selectedLine || !this.productionLines.length) return null
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return this.productionLines.find(l => l.lineId === this.selectedLine) || null
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},
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lineNameDisplay() {
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const line = this.selectedLineObj
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return line ? line.lineName : ''
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},
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filteredItemOptions() {
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if (!this.selectedCategories.length) return this.allItems
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return this.allItems.filter(it => this.selectedCategories.includes(it.category))
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}
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},
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mounted() {
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this.$store.dispatch('productionLine/getProductionLines').then(() => {
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this.initDefaultLine()
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this.$nextTick(() => this.fetchData())
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})
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this.loadItems()
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this._resizeHandler = () => { if (this.chart) this.chart.resize() }
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window.addEventListener('resize', this._resizeHandler)
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},
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beforeDestroy() {
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window.removeEventListener('resize', this._resizeHandler)
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if (this.chart) { this.chart.dispose(); this.chart = null }
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},
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methods: {
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initDefaultLine() {
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if (this.selectedLine != null) return
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const lines = this.productionLines || []
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const dzLine = lines.find(l => l.lineName && l.lineName.includes('镀锌'))
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if (dzLine) {
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this.selectedLine = dzLine.lineId
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} else if (lines.length) {
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this.selectedLine = lines[0].lineId
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}
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},
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onLineChange() {
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if (this.selectedLine != null) {
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this.fetchData()
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}
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},
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onCategoryChange() {
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this.selectedItems = this.selectedItems.filter(id => {
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const it = this.allItems.find(item => item.itemId === id)
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return it && this.selectedCategories.includes(it.category)
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})
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this.renderFromCache()
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},
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onItemChange() {
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this.renderFromCache()
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},
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async loadItems() {
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try {
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const r = await listItem({ pageNum: 1, pageSize: 999 })
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this.allItems = r.rows || []
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} catch (e) { /* ignore */ }
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},
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async fetchData() {
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if (this.selectedLine == null) {
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return
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}
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this.loading = true
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try {
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const params = {
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lineType: this.selectedLine,
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pageNum: 1,
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pageSize: 999
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}
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const reportRes = await listProdReport(params)
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const allReports = (reportRes.rows || []).sort((a, b) => {
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return (a.reportDate || '').localeCompare(b.reportDate || '')
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})
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console.log('[CostTrend] reports:', allReports.length, allReports.map(r => ({ id: r.reportId, title: r.reportTitle, date: r.reportDate })))
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if (!allReports.length) {
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this.$modal.msgWarning('该产线暂无报表')
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this.reports = []
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this.summary = { seriesCount: 0, maxLabel: '-' }
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if (this.chart) this.chart.clear()
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return
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}
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this.reports = allReports
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await this.fetchDetailsAndCache(allReports)
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} catch (e) {
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console.error('CostTrend fetchData error:', e)
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this.$modal.msgError('数据加载失败: ' + (e.message || '未知错误'))
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} finally {
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this.loading = false
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}
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},
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// ==================== 成本项模式 ====================
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async fetchDetailsAndCache(reports) {
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const allDetailResults = await Promise.all(
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reports.map(r =>
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listProdDetail({ reportId: r.reportId, pageNum: 1, pageSize: 99999 })
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.then(res => {
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console.log('[CostTrend] detail for report', r.reportId, 'rows:', (res.rows || []).length)
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return { reportId: r.reportId, rows: res.rows || [] }
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})
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.catch(e => {
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console.error('[CostTrend] detail fetch error for report', r.reportId, e)
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return { reportId: r.reportId, rows: [] }
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})
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)
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)
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this.cachedDetails = allDetailResults
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if (!this.allItems.length) await this.loadItems()
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this.renderFromCache()
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},
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renderFromCache() {
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const reports = this.reports
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const allDetailResults = this.cachedDetails
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if (!reports.length || !allDetailResults.length) return
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const itemMap = {}
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this.allItems.forEach(it => { itemMap[String(it.itemId)] = it })
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const itemSet = this.selectedItems.length ? new Set(this.selectedItems.map(String)) : null
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const categorySet = this.selectedCategories.length ? new Set(this.selectedCategories) : null
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const reportSums = {}
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allDetailResults.forEach(({ reportId, rows }) => {
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const sums = {}
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rows.forEach(d => {
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if (!d.itemId) return
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const key = String(d.itemId)
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if (itemSet && !itemSet.has(key)) return
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if (categorySet) {
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const it = itemMap[key]
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if (!it || !categorySet.has(it.category)) return
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}
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sums[key] = (sums[key] || 0) + (parseFloat(d.quantity) || 0)
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})
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reportSums[reportId] = sums
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})
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const allItemIds = new Set()
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Object.values(reportSums).forEach(sums => {
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Object.keys(sums).forEach(id => allItemIds.add(id))
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})
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const xLabels = reports.map(r => this.reportLabel(r))
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const series = []
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let globalMax = 0
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Array.from(allItemIds).forEach((key, idx) => {
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const it = itemMap[key]
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const name = it ? it.itemName : `未知(${key})`
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const data = reports.map(r => {
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const sums = reportSums[r.reportId] || {}
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const val = sums[key] ?? null
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if (val != null && val > globalMax) globalMax = val
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return val
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})
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if (data.every(v => v === null)) return
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series.push({
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name,
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type: 'line',
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data,
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smooth: true,
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symbol: 'circle',
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symbolSize: 6,
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lineStyle: { width: 2, color: COLORS[idx % COLORS.length] },
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itemStyle: { color: COLORS[idx % COLORS.length] },
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emphasis: { focus: 'series' }
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})
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})
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this.summary = {
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seriesCount: series.length,
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maxLabel: this.formatMoney(globalMax)
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}
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this.$nextTick(() => {
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setTimeout(() => this.renderChart(xLabels, series, '数量'), 50)
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})
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},
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// ==================== 图表渲染 ====================
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renderChart(xLabels, series, yAxisName) {
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console.log('[CostTrend] renderChart called, ref:', !!this.$refs.trendChart, 'series:', series.length, 'xLabels:', xLabels.length)
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if (!this.$refs.trendChart) return
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if (this.chart) this.chart.dispose()
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this.chart = echarts.init(this.$refs.trendChart)
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if (!series.length) {
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this.chart.setOption({
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title: { text: '暂无数据', left: 'center', top: 'center', textStyle: { color: '#999', fontSize: 14 } },
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xAxis: { show: false },
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yAxis: { show: false },
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series: []
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})
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return
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}
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this.chart.setOption({
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tooltip: {
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trigger: 'axis',
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formatter: function (params) {
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if (!params || !params.length) return ''
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let html = '<b>' + params[0].axisValue + '</b><br/>'
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params.forEach(p => {
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if (p.value != null) {
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html += '<span style="display:inline-block;width:10px;height:10px;border-radius:50%;background:' +
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p.color + ';margin-right:5px;"></span>' +
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p.seriesName + ': <b>' +
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Number(p.value).toLocaleString('zh-CN', { minimumFractionDigits: 2, maximumFractionDigits: 2 }) +
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'</b><br/>'
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}
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})
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return html
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}
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},
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legend: {
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type: 'scroll',
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bottom: 0,
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textStyle: { fontSize: 11 },
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pageIconSize: 12,
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pageTextStyle: { fontSize: 11 }
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},
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grid: {
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left: '3%',
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right: '4%',
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top: '3%',
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bottom: series.length > 20 ? '18%' : (series.length > 10 ? '14%' : '10%'),
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containLabel: true
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},
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xAxis: {
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type: 'category',
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data: xLabels,
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boundaryGap: false,
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axisLabel: {
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fontSize: 11,
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rotate: xLabels.length > 8 ? 30 : 0
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}
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},
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yAxis: {
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type: 'value',
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name: yAxisName,
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axisLabel: {
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fontSize: 11,
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formatter: function (v) {
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if (v >= 10000) return (v / 10000).toFixed(1) + '万'
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return v
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}
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},
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splitLine: { lineStyle: { type: 'dashed', color: '#e8e8e8' } }
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},
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dataZoom: xLabels.length > 10 ? [
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{
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type: 'slider',
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bottom: series.length > 10 ? (series.length > 20 ? 60 : 50) : 35,
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height: 16,
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textStyle: { fontSize: 10 }
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},
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{ type: 'inside' }
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] : [],
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series
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}, true)
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},
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reportLabel(r) {
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const date = r.reportDate
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? (typeof r.reportDate === 'string' ? r.reportDate.slice(0, 10) : String(r.reportDate).slice(0, 10))
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: ''
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return r.reportTitle || date || `报表#${r.reportId}`
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},
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formatMoney(val) {
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if (val == null || val === '' || isNaN(val)) return '-'
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const num = Number(val)
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if (num >= 10000) return (num / 10000).toFixed(2) + '万'
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return num.toFixed(2)
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}
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}
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}
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</script>
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<style scoped>
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.mb8 { margin-bottom: 10px; }
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.filter-bar {
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display: flex;
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align-items: center;
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gap: 10px;
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flex-wrap: wrap;
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}
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.stats-row {
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display: flex;
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gap: 8px;
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margin-bottom: 10px;
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}
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.stat-item {
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flex: 1;
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min-width: 100px;
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background: #fff;
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border: 1px solid #ebeef5;
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border-radius: 2px;
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padding: 10px 12px;
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text-align: center;
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}
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.stat-val {
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display: block;
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font-size: 22px;
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font-weight: 600;
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color: #303133;
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line-height: 1.2;
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}
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.stat-label {
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display: block;
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font-size: 12px;
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color: #909399;
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margin-top: 2px;
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}
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.stat-blue .stat-val { color: #409eff; }
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.stat-orange .stat-val { color: #e6a23c; }
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.stat-green .stat-val { color: #67c23a; }
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.chart-box {
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background: #fff;
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border: 1px solid #ebeef5;
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||||
border-radius: 2px;
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||||
}
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.chart-filter-bar {
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display: flex;
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||||
align-items: center;
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gap: 10px;
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margin-bottom: 8px;
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}
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||||
.chart-filter-bar .filter-label {
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font-size: 13px;
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color: #606266;
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white-space: nowrap;
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}
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||||
.chart-body {
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||||
width: 100%;
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||||
height: 480px;
|
||||
}
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||||
.legend-hint {
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||||
margin-top: 8px;
|
||||
font-size: 12px;
|
||||
color: #909399;
|
||||
display: flex;
|
||||
align-items: center;
|
||||
gap: 4px;
|
||||
}
|
||||
</style>
|
||||
Reference in New Issue
Block a user