feat(分条/更新): 添加复制源卷信息功能

在分条和更新页面添加复制源卷信息按钮，方便用户快速填充表单。复制时自动排除卷号等特定字段，并处理数值类型转换。同时优化了复制逻辑，确保相关字段的联动更新。

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

@@ -202,6 +202,7 @@
               </el-form-item>
 
               <el-form-item>
+                <el-button type="info" @click="copyFromSourceCoil" icon="el-icon-document-copy">复制源卷信息</el-button>
                 <el-button :loading="buttonLoading" type="primary" @click="addSplit">提交分条</el-button>
                 <el-button :loading="buttonLoading" @click="resetSplitForm">重置</el-button>
               </el-form-item>
@@ -813,6 +814,52 @@ export default {
       if (!dict) return code;
       const item = dict.find(item => item.value === code);
       return item ? item.label : code;
+    },
+    
+    // 复制源卷信息到分条表单
+    copyFromSourceCoil() {
+      // 复制除了指定字段之外的其他字段
+      const excludeFields = ['enterCoilNo', 'currentCoilNo', 'coilId', 'createTime', 'createBy'];
+      
+      // 构建要复制的字段
+      const copiedFields = {
+        supplierCoilNo: this.coilInfo.supplierCoilNo,
+        warehouseId: this.coilInfo.warehouseId,
+        actualWarehouseId: this.coilInfo.actualWarehouseId,
+        team: this.coilInfo.team,
+        materialType: this.coilInfo.materialType,
+        itemType: this.coilInfo.itemType,
+        itemId: this.coilInfo.itemId,
+        qualityStatus: this.coilInfo.qualityStatus,
+        trimmingRequirement: this.coilInfo.trimmingRequirement,
+        packingStatus: this.coilInfo.packingStatus,
+        packagingRequirement: this.coilInfo.packagingRequirement,
+        grossWeight: parseFloat(this.coilInfo.grossWeight) || null,
+        netWeight: parseFloat(this.coilInfo.netWeight) || null,
+        length: parseFloat(this.coilInfo.length) || null,
+        actualLength: parseFloat(this.coilInfo.actualLength) || null,
+        actualWidth: parseFloat(this.coilInfo.actualWidth) || null,
+        temperGrade: this.coilInfo.temperGrade,
+        coatingType: this.coilInfo.coatingType,
+        remark: this.coilInfo.remark,
+        productionStartTime: this.coilInfo.productionStartTime,
+        productionEndTime: this.coilInfo.productionEndTime,
+        productionDuration: this.coilInfo.productionDuration,
+        formattedDuration: this.coilInfo.productionDuration ? this.formatDuration(this.coilInfo.productionDuration * 60 * 1000) : ''
+      };
+      
+      // 合并到分条表单
+      this.splitForm = {
+        ...this.splitForm,
+        ...copiedFields
+      };
+
+      // 同步材料类型和长度显示状态
+      if (this.splitForm.materialType) {
+        this.handleMaterialTypeChange(this.splitForm.materialType);
+      }
+
+      this.$message.success('已复制源卷信息，请根据需要修改');
     }
   },
 }