feature：物料编辑无税率不修改

order-management-base-service/src/main/java/com/dxhy/order/baseservice/module/commodity/controller/CommodityController.java

@@ -177,6 +177,9 @@ public class CommodityController {
         if(StringUtils.isBlank(commodityCodeEntity.getXmdj())){
             commodityCodeEntity.setXmdj("");
         }
+        if(StringUtils.isBlank(commodityCodeEntity.getSl())){
+            commodityCodeEntity.setSl("");
+        }
 
         /**
          * 添加校验

order-management-base-service/src/main/resources/mybatis/mapper/CommodityMapper.xml

@@ -270,7 +270,7 @@
             <if test="commodityCode.spjm != null and commodityCode.spjm != ''">
                 brief_code = #{commodityCode.spjm,jdbcType=VARCHAR},
             </if>
-            <if test="commodityCode.sl != null and commodityCode.sl != ''">
+            <if test="commodityCode.sl != null">
                 tax_rate = #{commodityCode.sl,jdbcType=VARCHAR},
             </if>
             <if test="commodityCode.ggxh != null">