空返回0

performance-web/src/main/java/com/clx/performance/dto/linewarn/LineWarnOrderChildStatisticsDTO.java

@@ -13,6 +13,13 @@ public class LineWarnOrderChildStatisticsDTO {
 
     private String orderGoodsNo;                            //货单编号
 
-    private Integer num;                                        //车数
+    private Integer num;//车数
+
+    public Integer getNum(){
+        if(num == null){
+            return 0;
+        }
+        return num;
+    }
 
 }