优化子工单费用信息，借用信息计算

IFS/IFS/Main/Business/RepairOrder/Controller/ChildBillDetailCostViewController.swift

@@ -33,10 +33,11 @@ class ChildBillDetailCostViewController: BaseTableViewController {
     
     // MARK: - 设置数据源
     fileprivate func setupDataAction() {
+        let useQty = costModel.getQty - costModel.backQty
         logisticsLabel.text = costModel.materiel.name
         priceLabel.text = String(format: "%.2f", costModel.unitPrice)
-        countLabel.text = String(format: "%.2f", costModel.useQty)
-        totalPriceLabel.text = String(format: "%.2f", costModel.unitPrice * costModel.useQty)
+        countLabel.text = String(format: "%.2f", useQty)
+        totalPriceLabel.text = String(format: "%.2f", costModel.unitPrice * useQty)
         extractCountLabel.text = String(format: "%.2f", costModel.getQty)
         returnCountLabel.text = String(format: "%.2f", costModel.backQty)
     }

IFS/IFS/Main/Business/RepairOrder/View/CostOrBorrowTableViewCell.swift

@@ -29,8 +29,7 @@ class CostOrBorrowTableViewCell: UITableViewCell {
         if model.sourceType == CHILDORDERCOST_TYPE.BORROW.rawValue {
             detailLabel.text = model.outputbillno
         }else {
-            detailLabel.text = String(format: "%.2f", model.unitPrice * model.useQty)
+            detailLabel.text = String(format: "%.2f", model.unitPrice * (model.getQty - model.backQty))
         }
     }
-    
 }