feat(mes/roll,cost/trend): 优化轧辊报表和成本趋势页面

1. 轧辊报表：修复产线关联逻辑，通过轧辊映射获取产线信息，移除冗余的lineId请求参数
2. 成本趋势页：重构为迷你多图表布局，优化筛选栏样式和交互细节

klp-ui/src/views/cost/trend.vue

@@ -1,7 +1,7 @@
 <template>
   <div class="app-container cost-trend-page">
     <!-- 筛选区 -->
-    <el-card class="mb8">
+    <el-card class="mb8 filter-card">
       <div class="filter-bar">
         <el-radio-group
           v-model="selectedLine"
@@ -16,7 +16,6 @@
             {{ line.lineName }}
           </el-radio-button>
         </el-radio-group>
-
         <el-button type="primary" size="small" icon="el-icon-search" :loading="loading" @click="fetchData">
           查询
         </el-button>
@@ -47,10 +46,10 @@
         multiple
         collapse-tags
         placeholder="成本类别（全部）"
-        size="small"
-        style="width:160px"
-        @change="onCategoryChange"
         clearable
+        size="small"
+        style="width:150px"
+        @change="onCategoryChange"
       >
         <el-option label="原料" value="原料" />
         <el-option label="能耗" value="能耗" />
@@ -67,10 +66,10 @@
         collapse-tags
         filterable
         placeholder="成本项（全部）"
-        size="small"
-        style="width:220px"
-        @change="onItemChange"
         clearable
+        size="small"
+        style="width:200px"
+        @change="onItemChange"
       >
         <el-option
           v-for="it in filteredItemOptions"
@@ -81,13 +80,21 @@
       </el-select>
     </div>
 
-    <!-- 图表区 -->
-    <div class="chart-box" v-loading="loading">
-      <div ref="trendChart" class="chart-body" />
+    <!-- 迷你图表网格 -->
+    <div v-loading="loading" class="mini-charts-grid">
+      <template v-if="seriesList.length">
+        <div v-for="s in seriesList" :key="s.key" class="mini-chart-card">
+          <div class="mini-chart-header">
+            <span class="mini-chart-dot" :style="{ background: s.color }" />
+            <span class="mini-chart-name">{{ s.name }}</span>
+            <span class="mini-chart-max">峰值 {{ formatMiniMax(s.maxVal) }}</span>
+          </div>
+          <div ref="miniCharts" class="mini-chart-body" />
+        </div>
+      </template>
+      <div v-else-if="!loading && reports.length" class="empty-hint">
+        暂无匹配的成本项数据
       </div>
-
-    <div v-if="summary.seriesCount > 15" class="legend-hint">
-      <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
     </div>
   </div>
 </template>
@@ -116,7 +123,8 @@ export default {
       selectedItems: [],
       allItems: [],
       loading: false,
-      chart: null,
+      chartInstances: [],
+      seriesList: [],
       reports: [],
       cachedDetails: [],
       summary: { seriesCount: 0, maxLabel: '-' }
@@ -128,10 +136,6 @@ export default {
       if (!this.selectedLine || !this.productionLines.length) return null
       return this.productionLines.find(l => l.lineId === this.selectedLine) || null
     },
-    lineNameDisplay() {
-      const line = this.selectedLineObj
-      return line ? line.lineName : ''
-    },
     filteredItemOptions() {
       if (!this.selectedCategories.length) return this.allItems
       return this.allItems.filter(it => this.selectedCategories.includes(it.category))
@@ -143,12 +147,12 @@ export default {
       this.$nextTick(() => this.fetchData())
     })
     this.loadItems()
-    this._resizeHandler = () => { if (this.chart) this.chart.resize() }
+    this._resizeHandler = () => this.resizeAllCharts()
     window.addEventListener('resize', this._resizeHandler)
   },
   beforeDestroy() {
     window.removeEventListener('resize', this._resizeHandler)
-    if (this.chart) { this.chart.dispose(); this.chart = null }
+    this.disposeAllCharts()
   },
   methods: {
     initDefaultLine() {
@@ -188,9 +192,7 @@ export default {
     },
 
     async fetchData() {
-      if (this.selectedLine == null) {
-        return
-      }
+      if (this.selectedLine == null) return
 
       this.loading = true
       try {
@@ -204,13 +206,13 @@ export default {
         const allReports = (reportRes.rows || []).sort((a, b) => {
           return (a.reportDate || '').localeCompare(b.reportDate || '')
         })
-        console.log('[CostTrend] reports:', allReports.length, allReports.map(r => ({ id: r.reportId, title: r.reportTitle, date: r.reportDate })))
 
         if (!allReports.length) {
           this.$modal.msgWarning('该产线暂无报表')
           this.reports = []
+          this.seriesList = []
           this.summary = { seriesCount: 0, maxLabel: '-' }
-          if (this.chart) this.chart.clear()
+          this.disposeAllCharts()
           return
         }
         this.reports = allReports
@@ -224,15 +226,11 @@ export default {
       }
     },
 
-    // ==================== 成本项模式 ====================
     async fetchDetailsAndCache(reports) {
       const allDetailResults = await Promise.all(
         reports.map(r =>
           listProdDetail({ reportId: r.reportId, pageNum: 1, pageSize: 99999 })
-            .then(res => {
-              console.log('[CostTrend] detail for report', r.reportId, 'rows:', (res.rows || []).length)
-              return { reportId: r.reportId, rows: res.rows || [] }
-            })
+            .then(res => ({ reportId: r.reportId, rows: res.rows || [] }))
             .catch(e => {
               console.error('[CostTrend] detail fetch error for report', r.reportId, e)
               return { reportId: r.reportId, rows: [] }
@@ -279,7 +277,7 @@ export default {
       })
 
       const xLabels = reports.map(r => this.reportLabel(r))
-      const series = []
+      const list = []
       let globalMax = 0
 
       Array.from(allItemIds).forEach((key, idx) => {
@@ -288,115 +286,121 @@ export default {
         const data = reports.map(r => {
           const sums = reportSums[r.reportId] || {}
           const val = sums[key] ?? null
-          if (val != null && val > globalMax) globalMax = val
           return val
         })
         if (data.every(v => v === null)) return
 
-        series.push({
+        const maxVal = Math.max(...data.filter(v => v != null))
+        if (maxVal > globalMax) globalMax = maxVal
+
+        list.push({
+          key,
           name,
-          type: 'line',
+          color: COLORS[idx % COLORS.length],
           data,
-          smooth: true,
-          symbol: 'circle',
-          symbolSize: 6,
-          lineStyle: { width: 2, color: COLORS[idx % COLORS.length] },
-          itemStyle: { color: COLORS[idx % COLORS.length] },
-          emphasis: { focus: 'series' }
+          xLabels,
+          maxVal
         })
       })
 
+      this.seriesList = list
       this.summary = {
-        seriesCount: series.length,
+        seriesCount: list.length,
         maxLabel: this.formatMoney(globalMax)
       }
 
-      this.$nextTick(() => {
-        setTimeout(() => this.renderChart(xLabels, series, '数量'), 50)
+      this.$nextTick(() => this.renderMiniCharts())
+    },
+
+    // ==================== 迷你图表渲染 ====================
+    disposeAllCharts() {
+      this.chartInstances.forEach(c => {
+        try { c.dispose() } catch (e) { /* ignore */ }
+      })
+      this.chartInstances = []
+    },
+
+    resizeAllCharts() {
+      this.chartInstances.forEach(c => {
+        try { c.resize() } catch (e) { /* ignore */ }
       })
     },
 
-    // ==================== 图表渲染 ====================
-    renderChart(xLabels, series, yAxisName) {
-      console.log('[CostTrend] renderChart called, ref:', !!this.$refs.trendChart, 'series:', series.length, 'xLabels:', xLabels.length)
-      if (!this.$refs.trendChart) return
-      if (this.chart) this.chart.dispose()
-      this.chart = echarts.init(this.$refs.trendChart)
+    renderMiniCharts() {
+      this.disposeAllCharts()
 
-      if (!series.length) {
-        this.chart.setOption({
-          title: { text: '暂无数据', left: 'center', top: 'center', textStyle: { color: '#999', fontSize: 14 } },
-          xAxis: { show: false },
-          yAxis: { show: false },
-          series: []
-        })
-        return
-      }
+      const containers = this.$refs.miniCharts
+      if (!containers || !containers.length) return
 
-      this.chart.setOption({
+      this.seriesList.forEach((s, idx) => {
+        const el = containers[idx]
+        if (!el) return
+
+        const chart = echarts.init(el)
+        chart.setOption({
           tooltip: {
             trigger: 'axis',
-          formatter: function (params) {
+            formatter: function(params) {
               if (!params || !params.length) return ''
-            let html = '<b>' + params[0].axisValue + '</b><br/>'
-            params.forEach(p => {
-              if (p.value != null) {
-                html += '<span style="display:inline-block;width:10px;height:10px;border-radius:50%;background:' +
-                  p.color + ';margin-right:5px;"></span>' +
+              const p = params[0]
+              return '<b>' + p.axisValue + '</b><br/>' +
+                '<span style="display:inline-block;width:8px;height:8px;border-radius:50%;background:' +
+                p.color + ';margin-right:4px;"></span>' +
                 p.seriesName + ': <b>' +
                 Number(p.value).toLocaleString('zh-CN', { minimumFractionDigits: 2, maximumFractionDigits: 2 }) +
-                  '</b><br/>'
+                '</b>'
             }
-            })
-            return html
-          }
-        },
-        legend: {
-          type: 'scroll',
-          bottom: 0,
-          textStyle: { fontSize: 11 },
-          pageIconSize: 12,
-          pageTextStyle: { fontSize: 11 }
           },
           grid: {
-          left: '3%',
-          right: '4%',
-          top: '3%',
-          bottom: series.length > 20 ? '18%' : (series.length > 10 ? '14%' : '10%'),
+            left: 8,
+            right: 12,
+            top: 8,
+            bottom: 24,
             containLabel: true
           },
           xAxis: {
             type: 'category',
-          data: xLabels,
+            data: s.xLabels,
             boundaryGap: false,
             axisLabel: {
-            fontSize: 11,
-            rotate: xLabels.length > 8 ? 30 : 0
-          }
+              fontSize: 10,
+              rotate: s.xLabels.length > 8 ? 25 : 0,
+              interval: s.xLabels.length > 12 ? 'auto' : 0
+            },
+            axisTick: { show: false },
+            axisLine: { lineStyle: { color: '#ddd' }}
           },
           yAxis: {
             type: 'value',
-          name: yAxisName,
             axisLabel: {
-            fontSize: 11,
-            formatter: function (v) {
+              fontSize: 10,
+              formatter: function(v) {
                 if (v >= 10000) return (v / 10000).toFixed(1) + '万'
                 return v
               }
             },
-          splitLine: { lineStyle: { type: 'dashed', color: '#e8e8e8' } }
+            splitLine: { lineStyle: { type: 'dashed', color: '#eee' }},
+            splitNumber: 3
           },
-        dataZoom: xLabels.length > 10 ? [
-          {
-            type: 'slider',
-            bottom: series.length > 10 ? (series.length > 20 ? 60 : 50) : 35,
-            height: 16,
-            textStyle: { fontSize: 10 }
-          },
-          { type: 'inside' }
-        ] : [],
-        series
+          series: [{
+            name: s.name,
+            type: 'line',
+            data: s.data,
+            smooth: true,
+            symbol: 'none',
+            lineStyle: { width: 1.5, color: s.color },
+            itemStyle: { color: s.color },
+            areaStyle: {
+              color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
+                { offset: 0, color: s.color + '30' },
+                { offset: 1, color: s.color + '05' }
+              ])
+            }
+          }]
         }, true)
+
+        this.chartInstances.push(chart)
+      })
     },
 
     reportLabel(r) {
@@ -411,78 +415,132 @@ export default {
       const num = Number(val)
       if (num >= 10000) return (num / 10000).toFixed(2) + '万'
       return num.toFixed(2)
+    },
+
+    formatMiniMax(val) {
+      if (val == null || isNaN(val)) return '-'
+      if (val >= 10000) return (val / 10000).toFixed(1) + '万'
+      return Number(val).toFixed(1)
     }
   }
 }
 </script>
 
 <style scoped>
-.mb8 { margin-bottom: 10px; }
+.mb8 { margin-bottom: 8px; }
+
+.filter-card {
+  border: none;
+  box-shadow: none;
+  background: transparent;
+}
+.filter-card >>> .el-card__body {
+  padding: 0;
+}
 
 .filter-bar {
   display: flex;
   align-items: center;
-  gap: 10px;
+  gap: 8px;
   flex-wrap: wrap;
 }
 
+/* 统计摘要 */
 .stats-row {
   display: flex;
-  gap: 8px;
-  margin-bottom: 10px;
+  gap: 6px;
+  margin-bottom: 8px;
 }
 .stat-item {
   flex: 1;
-  min-width: 100px;
+  min-width: 80px;
   background: #fff;
   border: 1px solid #ebeef5;
-  border-radius: 2px;
-  padding: 10px 12px;
+  border-radius: 4px;
+  padding: 8px 10px;
   text-align: center;
 }
 .stat-val {
   display: block;
-  font-size: 22px;
+  font-size: 20px;
   font-weight: 600;
   color: #303133;
   line-height: 1.2;
 }
 .stat-label {
   display: block;
-  font-size: 12px;
+  font-size: 11px;
   color: #909399;
-  margin-top: 2px;
+  margin-top: 1px;
 }
 .stat-blue .stat-val { color: #409eff; }
 .stat-orange .stat-val { color: #e6a23c; }
 .stat-green .stat-val { color: #67c23a; }
 
-.chart-box {
-  background: #fff;
-  border: 1px solid #ebeef5;
-  border-radius: 2px;
-}
+/* 图表筛选 */
 .chart-filter-bar {
   display: flex;
   align-items: center;
-  gap: 10px;
+  gap: 8px;
   margin-bottom: 8px;
 }
 .chart-filter-bar .filter-label {
-  font-size: 13px;
+  font-size: 12px;
   color: #606266;
   white-space: nowrap;
 }
-.chart-body {
-  width: 100%;
-  height: 480px;
+
+/* 迷你图表网格 */
+.mini-charts-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
+  gap: 10px;
 }
-.legend-hint {
-  margin-top: 8px;
-  font-size: 12px;
-  color: #909399;
+
+.mini-chart-card {
+  background: #fff;
+  border: 1px solid #ebeef5;
+  border-radius: 4px;
+  overflow: hidden;
+}
+
+.mini-chart-header {
   display: flex;
   align-items: center;
-  gap: 4px;
+  gap: 6px;
+  padding: 8px 10px 0 10px;
+  font-size: 13px;
+  color: #303133;
+}
+.mini-chart-dot {
+  width: 8px;
+  height: 8px;
+  border-radius: 50%;
+  flex-shrink: 0;
+}
+.mini-chart-name {
+  font-weight: 500;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+.mini-chart-max {
+  margin-left: auto;
+  font-size: 11px;
+  color: #909399;
+  flex-shrink: 0;
+}
+
+.mini-chart-body {
+  width: 100%;
+  height: 220px;
+}
+
+.empty-hint {
+  grid-column: 1 / -1;
+  text-align: center;
+  padding: 60px 0;
+  font-size: 13px;
+  color: #909399;
 }
 </style>

klp-ui/src/views/mes/roll/report/index.vue

@@ -244,8 +244,8 @@ export default {
           this.stats = statsRes.data || {}
         }
 
-        // 2. 获取全部轧辊（用于辊型映射）
-        const rollRes = await listRollInfo({ pageNum: 1, pageSize: 99999, lineId: this.lineId || undefined })
+        // 2. 获取全部轧辊（用于辊型映射和产线关联）
+        const rollRes = await listRollInfo({ pageNum: 1, pageSize: 99999 })
         const rolls = rollRes.rows || []
         const rollMap = {}
         rolls.forEach(r => { rollMap[r.rollId] = r })
@@ -270,7 +270,7 @@ export default {
         if (this._beginTime) allParams.beginTime = this._beginTime
         if (this._endTime) allParams.endTime = this._endTime + ' 23:59:59'
         const allGrindRes = await listRollGrindAll(allParams)
-        this.computeMonthlyPivot(allGrindRes.data || [])
+        this.computeMonthlyPivot(allGrindRes.data || [], rollMap)
 
         this.updateCharts()
       } catch (e) {
@@ -528,13 +528,14 @@ export default {
       document.body.removeChild(link)
       URL.revokeObjectURL(url)
     },
-    computeMonthlyPivot(records) {
+    computeMonthlyPivot(records, rollMap) {
       const lineMonthMap = {}
       const monthSet = new Set()
       records.forEach(r => {
         if (!r.grindTime) return
         const month = r.grindTime.substring(0, 7)
-        const lid = Number(r.lineId) || 0
+        const roll = rollMap[r.rollId]
+        const lid = Number(roll?.lineId) || 0
         if (!lineMonthMap[lid]) {
           const line = this.productionLines.find(l => Number(l.lineId) === lid)
           lineMonthMap[lid] = { lineId: lid, lineName: line ? line.lineName : (r.lineName || '未知产线'), months: {} }