选择商品查询当前单位下商品完成

选择商品返回有效期和税率，保存采购单保存有效期到采购商品明细中

src/main/java/com/yxt/purchase/biz/purchasebilldetail/PurchaseBillDetail.java

@@ -97,4 +97,7 @@ public class PurchaseBillDetail extends BaseEntity {
     private BigDecimal unTaxPrice;
     @ApiModelProperty("未含税总价（未含税价*采购数量）")
     private BigDecimal unTaxTotalAmount;
+
+    @ApiModelProperty("保质期")
+    private Integer shelfLife;
 }

src/main/java/com/yxt/purchase/biz/purchasebilldetail/PurchaseBillDetailDetailsVo.java

@@ -99,6 +99,8 @@ public class PurchaseBillDetailDetailsVo implements Vo {
     private Date deliveryDate;
     @ApiModelProperty("总税额")
     private BigDecimal taxAmount;
+    @ApiModelProperty("保质期")
+    private Integer shelfLife;
 
     /*
     * 商品扩展字段

src/main/java/com/yxt/purchase/biz/purchasebilldetail/PurchaseBillDetailDto.java

@@ -95,6 +95,8 @@ public class PurchaseBillDetailDto implements Dto {
     private String deliveryDate;
     @ApiModelProperty("总税额")
     private BigDecimal taxAmount;
+    @ApiModelProperty("保质期")
+    private Integer shelfLife;
 
     /*
      * 商品扩展字段