问题修改

src/main/resources/mapper/QueryListMappeer.xml

@@ -28,8 +28,8 @@
     <select id="getMaterial" resultType="java.util.Map">
         select
             tld_id as tldId,
-            min_num as minNum,
-            max_num as maxNum,
+            ifnull(min_num, 0) as minNum,
+            ifnull(max_num, 0) as maxNum,
             name as name,
             code as code
         from tld_material

src/main/resources/mapper/ReceiveGoodsMapper.xml

@@ -143,7 +143,7 @@
             a.supplier_id,
             a.order_code,
             a.material_id,
-            a.purchase_num as num,
+            a.purchase_num,
             a.arrival_num,
             a.arrival_time,
             a.type,
@@ -172,7 +172,7 @@
             a.supplier_id,
             a.order_code,
             a.material_id,
-            a.purchase_num as num,
+            a.purchase_num,
             a.arrival_num,
             a.arrival_time,
             a.type,