修改打印时间

src/main/java/com/chaozhanggui/system/cashierservice/entity/po/ProductInfo.java

@@ -11,4 +11,15 @@ public class ProductInfo implements Serializable {
     private String productName;
     private Integer num;
     private BigDecimal amount;
+
+
+    public ProductInfo(String productName, Integer num, BigDecimal amount) {
+        this.productName = productName;
+        this.num = num;
+        this.amount = amount;
+    }
+
+    public ProductInfo() {
+        super();
+    }
 }