feat(wms): 添加钢卷报表导出功能的多行合并选项

- 在异常报表页面添加导出产出钢卷(多行合并)和导出消耗钢卷(多行合并)菜单项
- 新增 mergeCoilCells 工具函数实现 Excel 单元格合并功能
- 实现 exportWithMerge 通用方法处理带合并的 Excel 导出
- 添加导出时的加载提示和错误处理机制
- 优化 MES 质检样本详情加载逻辑，移除不必要的异步请求

klp-ui/src/views/mes/qc/inspectionSample/index.vue

@@ -344,27 +344,24 @@ export default {
 
     loadMainDetails() {
       if (this.mainList.length === 0) return
-      const promises = this.mainList.map(main => {
-        return listInspectionDetail({ mainId: main.mainId, pageNum: 1, pageSize: 9999 }).then(response => {
-          const details = response.rows || []
-          details.forEach(detail => {
-            if (main._items[detail.itemName]) {
-              main._items[detail.itemName] = {
-                detailId: detail.detailId,
-                mainId: detail.mainId,
-                itemName: detail.itemName,
-                itemValue: detail.itemValue || '',
-                itemUnit: detail.itemUnit || main._items[detail.itemName].itemUnit,
-                upperLimit: detail.upperLimit,
-                lowerLimit: detail.lowerLimit,
-                rangeDesc: detail.rangeDesc
-              }
+      this.mainList.forEach(main => {
+        const details = main.detailList || []
+        details.forEach(detail => {
+          if (main._items[detail.itemName]) {
+            main._items[detail.itemName] = {
+              detailId: detail.detailId,
+              mainId: detail.mainId,
+              itemName: detail.itemName,
+              itemValue: detail.itemValue || '',
+              itemUnit: detail.itemUnit || main._items[detail.itemName].itemUnit,
+              upperLimit: detail.upperLimit,
+              lowerLimit: detail.lowerLimit,
+              rangeDesc: detail.rangeDesc
             }
-          })
-          main._originalItems = JSON.parse(JSON.stringify(main._items))
-        }).catch(() => {})
+          }
+        })
+        main._originalItems = JSON.parse(JSON.stringify(main._items))
       })
-      return Promise.all(promises)
     },
 
     handleAddMain() {

klp-ui/src/views/wms/report/abnormal.vue

@@ -58,6 +58,8 @@
 
               <el-dropdown-item command="exportDataMore">导出产出钢卷(多行)</el-dropdown-item>
               <el-dropdown-item command="exportLossDataMore">导出消耗钢卷(多行)</el-dropdown-item>
+              <el-dropdown-item command="exportDataMerged" divided>导出产出钢卷(多行合并)</el-dropdown-item>
+              <el-dropdown-item command="exportLossDataMerged">导出消耗钢卷(多行合并)</el-dropdown-item>
             </el-dropdown-menu>
           </el-dropdown>
         </el-form-item>
@@ -144,6 +146,11 @@ import CoilTable from "@/views/wms/report/components/coilTable";
 import ColumnsSetting from "@/views/wms/report/components/setting/columns";
 import TimeRangePicker from "@/views/wms/report/components/timeRangePicker.vue";
 import { saveReportFile } from "@/views/wms/report/js/reportFile";
+import { mergeCoilCells } from "@/views/wms/report/js/mergeExcelCells";
+import { saveAs } from 'file-saver'
+import request from '@/utils/request'
+import { tansParams } from "@/utils/klp";
+import { Loading } from 'element-ui'
 
 export default {
   name: 'MergeTemplate',
@@ -362,6 +369,54 @@ export default {
         abnormalExportCount: 0
       }, `materialCoil_${new Date().getTime()}.xlsx`)
     },
+    // 导出产出钢卷(多行合并) — 二次合并钢卷列单元格
+    async exportDataMerged() {
+      if (this.outList.length === 0) {
+        this.$message.warning('暂无数据可导出')
+        return
+      }
+      await this.exportWithMerge('wms/materialCoil/exportAbnormal', {
+        coilIds: this.outList.map(item => item.coilId).join(','),
+        abnormalExportCount: 0
+      }, `abnormalCoil_${new Date().getTime()}.xlsx`)
+    },
+
+    // 导出消耗钢卷(多行合并) — 二次合并钢卷列单元格
+    async exportLossDataMerged() {
+      if (this.lossList.length === 0) {
+        this.$message.warning('暂无数据可导出')
+        return
+      }
+      await this.exportWithMerge('wms/materialCoil/export', {
+        coilIds: this.lossList.map(item => item.coilId).join(','),
+        abnormalExportCount: 0
+      }, `materialCoil_${new Date().getTime()}.xlsx`)
+    },
+
+    // 通用：导出多行 → ExcelJS 二次合并钢卷列 → 保存
+    async exportWithMerge(url, params, filename) {
+      const loading = Loading.service({
+        text: '正在导出并合并单元格，请稍候',
+        spinner: 'el-icon-loading',
+        background: 'rgba(0, 0, 0, 0.7)'
+      })
+      try {
+        const data = await request.post(url, params, {
+          transformRequest: [(params) => { return tansParams(params) }],
+          headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
+          responseType: 'blob'
+        })
+        // data 是拦截器返回的 res.data（Blob），与 download 函数一致
+        const blob = new Blob([data])
+        const mergedBlob = await mergeCoilCells(blob, 26)
+        saveAs(mergedBlob, filename)
+      } catch (e) {
+        console.error('导出合并失败', e)
+        this.$message.error('导出失败，请联系管理员')
+      } finally {
+        loading.close()
+      }
+    },
     // 处理命令
     handleCommand(command) {
       if (command === 'exportData') {
@@ -376,6 +431,10 @@ export default {
         this.exportDataMore()
       } else if (command === 'exportLossDataMore') {
         this.exportLossDataMore()
+      } else if (command === 'exportDataMerged') {
+        this.exportDataMerged()
+      } else if (command === 'exportLossDataMerged') {
+        this.exportLossDataMerged()
       }
     },
     // 加载列设置

klp-ui/src/views/wms/report/js/mergeExcelCells.js

@@ -0,0 +1,74 @@
+import ExcelJS from 'exceljs'
+
+/**
+ * 对异常钢卷报表导出的 Excel 进行二次合并处理
+ * 将钢卷信息列（前26列，A-Z）中连续相同值的单元格合并
+ *
+ * 原理：
+ * 1. 用 row.values 数组代替逐格 getCell，避免 9万+ 次对象创建
+ * 2. 合并单元格后用列级别样式统一居中，代替逐格设置
+ *
+ * @param {Blob} blob - 原始 Excel 文件 Blob
+ * @param {number} mergeColumnCount - 需要合并的钢卷列数，默认 26（A-Z列）
+ * @returns {Promise<Blob>} - 合并后的新 Blob
+ */
+export async function mergeCoilCells(blob, mergeColumnCount = 26) {
+  const workbook = new ExcelJS.Workbook()
+  const arrayBuffer = await blob.arrayBuffer()
+  await workbook.xlsx.load(arrayBuffer)
+
+  const worksheet = workbook.worksheets[0]
+  const rowCount = worksheet.rowCount
+
+  if (rowCount <= 1) return blob
+
+  // === 第一步：按钢卷身份标识分组 ===
+  // 使用 row.values 数组（1-based），字符拼接一次性比较，避免逐格 getCell
+  const groups = []
+  let groupStart = 2
+  let prevFingerprint = rowFingerprint(worksheet.getRow(2), mergeColumnCount)
+
+  for (let row = 3; row <= rowCount; row++) {
+    const curFingerprint = rowFingerprint(worksheet.getRow(row), mergeColumnCount)
+    if (curFingerprint !== prevFingerprint) {
+      groups.push({ start: groupStart, end: row - 1 })
+      groupStart = row
+      prevFingerprint = curFingerprint
+    }
+  }
+  groups.push({ start: groupStart, end: rowCount })
+
+  // === 第二步：合并单元格 ===
+  for (const group of groups) {
+    if (group.end > group.start) {
+      for (let col = 1; col <= mergeColumnCount; col++) {
+        worksheet.mergeCells(group.start, col, group.end, col)
+      }
+    }
+  }
+
+  // === 第三步：列级别统一居中（替换逐格设置，26 次 vs 9万次） ===
+  for (let col = 1; col <= mergeColumnCount; col++) {
+    const column = worksheet.getColumn(col)
+    column.alignment = { vertical: 'middle', horizontal: 'center', wrapText: true }
+  }
+
+  // === 第四步：写回 Blob ===
+  const buffer = await workbook.xlsx.writeBuffer()
+  return new Blob([buffer], {
+    type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
+  })
+}
+
+/**
+ * 生成行的"指纹"字符串，用于快速比较两行钢卷列是否相同
+ * row.values 是 ExcelJS 的 1-based 数组：values[1]=A列, values[2]=B列 ...
+ */
+function rowFingerprint(row, colCount) {
+  const vals = row.values || []
+  let fp = ''
+  for (let i = 1; i <= colCount; i++) {
+    fp += String(vals[i] ?? '') + '\x00'
+  }
+  return fp
+}