feat(钢卷管理): 新增生产时间记录及耗时计算功能

添加TimeInput组件用于时间输入，并在钢卷合并、分条、打字、分步操作中增加生产开始/结束时间字段
实现生产耗时自动计算功能，支持显示xx天xx小时xx分钟格式
在基础面板中增加生产时间修正对话框，支持批量修改时间

klp-ui/src/views/wms/coil/panels/stepSplit.vue

@@ -149,6 +149,15 @@
               <el-form-item label="镀层种类" prop="coatingType">
                 <MemoInput storageKey="coatingType" v-model="splitForm.coatingType" placeholder="请输入镀层种类" />
               </el-form-item>
+              <el-form-item label="生产开始时间" prop="productionStartTime">
+                <TimeInput v-model="splitForm.productionStartTime" @input="calculateProductionDuration" />
+              </el-form-item>
+              <el-form-item label="生产结束时间" prop="productionEndTime">
+                <TimeInput v-model="splitForm.productionEndTime" @input="calculateProductionDuration" :show-now-button="true" />
+              </el-form-item>
+              <el-form-item label="生产耗时" prop="productionDuration">
+                <el-input v-model="splitForm.formattedDuration" placeholder="自动计算" disabled />
+              </el-form-item>
               <el-form-item label="备注" prop="remark">
                 <el-input v-model="splitForm.remark" placeholder="请输入备注" type="textarea" />
               </el-form-item>
@@ -187,6 +196,9 @@
                 m</el-descriptions-item>
               <el-descriptions-item label="调制度">{{ selectedSplitItem.temperGrade || '-' }}</el-descriptions-item>
               <el-descriptions-item label="镀层种类">{{ selectedSplitItem.coatingType || '-' }}</el-descriptions-item>
+              <el-descriptions-item label="生产开始时间">{{ selectedSplitItem.productionStartTime || '-' }}</el-descriptions-item>
+              <el-descriptions-item label="生产结束时间">{{ selectedSplitItem.productionEndTime || '-' }}</el-descriptions-item>
+              <el-descriptions-item label="生产耗时">{{ selectedSplitItem.formattedDuration || (selectedSplitItem.productionDuration ? selectedSplitItem.productionDuration + ' 分钟' : '-') }}</el-descriptions-item>
               <el-descriptions-item label="备注" :span="2">{{ selectedSplitItem.remark || '-' }}</el-descriptions-item>
             </el-descriptions>
           </el-card>
@@ -208,6 +220,7 @@ import ProductSelect from "@/components/KLPService/ProductSelect";
 import RawMaterialSelect from "@/components/KLPService/RawMaterialSelect";
 import WarehouseSelect from "@/components/KLPService/WarehouseSelect";
 import ActualWarehouseSelect from "@/components/KLPService/ActualWarehouseSelect";
+import TimeInput from "@/components/TimeInput";
 import { generateCoilNoPrefix } from "@/utils/coil/coilNo";
 
 export default {
@@ -231,6 +244,7 @@ export default {
     RawMaterialSelect,
     WarehouseSelect,
     ActualWarehouseSelect,
+    TimeInput,
   },
   dicts: ['coil_quality_status'],
   data() {
@@ -264,6 +278,10 @@ export default {
         temperGrade: '',
         coatingType: '',
         remark: '',
+        productionStartTime: '',
+        productionEndTime: '',
+        productionDuration: '',
+        formattedDuration: '',
       },
       // 已分条钢卷列表
       splitList: [],
@@ -443,6 +461,10 @@ export default {
         temperGrade: '',
         coatingType: '',
         remark: '',
+        productionStartTime: '',
+        productionEndTime: '',
+        productionDuration: '',
+        formattedDuration: '',
         parentCoilId: this.coilId,
       }
     },
@@ -547,6 +569,49 @@ export default {
         }
       })
     },
+    // 格式化毫秒值为xx天xx小时xx分钟
+    formatDuration(milliseconds) {
+      if (!milliseconds || milliseconds < 0) return '';
+      
+      const seconds = Math.floor(milliseconds / 1000);
+      const minutes = Math.floor(seconds / 60);
+      const hours = Math.floor(minutes / 60);
+      const days = Math.floor(hours / 24);
+      
+      const remainingHours = hours % 24;
+      const remainingMinutes = minutes % 60;
+      
+      let result = '';
+      if (days > 0) result += `${days}天`;
+      if (remainingHours > 0) result += `${remainingHours}小时`;
+      if (remainingMinutes > 0) result += `${remainingMinutes}分钟`;
+      
+      return result || '0分钟';
+    },
+    // 计算生产耗时
+    calculateProductionDuration() {
+      const { productionStartTime, productionEndTime } = this.splitForm;
+      if (productionStartTime && productionEndTime) {
+        const start = new Date(productionStartTime).getTime();
+        const end = new Date(productionEndTime).getTime();
+        if (end < start) {
+          this.$message({
+            message: '结束时间不能早于开始时间',
+            type: 'error',
+          });
+          this.$set(this.splitForm, 'productionDuration', '');
+          this.$set(this.splitForm, 'formattedDuration', '');
+        } else {
+          const durationMs = end - start;
+          const durationMinutes = Math.round(durationMs / (1000 * 60));
+          this.$set(this.splitForm, 'productionDuration', durationMinutes);
+          this.$set(this.splitForm, 'formattedDuration', this.formatDuration(durationMinutes * 60 * 1000));
+        }
+      } else {
+        this.$set(this.splitForm, 'productionDuration', '');
+        this.$set(this.splitForm, 'formattedDuration', '');
+      }
+    }
   },
 }
 </script>