1.附件数据又异常数据null字符串 兼容处理

amos-boot-system-tzs/amos-boot-module-96333/amos-boot-module-96333-api/src/main/resources/mapper/ElevatorMapper.xml

@@ -324,13 +324,29 @@
     </select>
     <select id="selectFiles" resultType="java.util.Map">
 
-        SELECT jdi.DESIGN_DOC,
-               jdi.DESIGN_STANDARD ,
-               jfi.FACTORY_STANDARD,
-               jfi.PRODUCT_QUALITY_YIELD_PROVE,
-               jfi.INS_USE_MAINTAIN_EXPLAIN,
-               jfi.SUPERVISION_AGENCY_CREDENTIAL,
-               jfi.TYPE_TEST_CREDENTIAL
+        SELECT
+            jdi.RECORD,
+            case
+                when jdi.DESIGN_DOC = 'null' then null else
+                jdi.DESIGN_DOC end as DESIGN_DOC,
+            case
+                when jdi.DESIGN_STANDARD = 'null' then null else
+                jdi.DESIGN_STANDARD end as DESIGN_STANDARD,
+            case
+                when jfi.FACTORY_STANDARD = 'null' then null else
+                jfi.FACTORY_STANDARD end as FACTORY_STANDARD,
+            case
+                when jfi.PRODUCT_QUALITY_YIELD_PROVE = 'null' then null else
+                jfi.PRODUCT_QUALITY_YIELD_PROVE end as PRODUCT_QUALITY_YIELD_PROVE,
+            case
+                when jfi.INS_USE_MAINTAIN_EXPLAIN = 'null' then null else
+                jfi.INS_USE_MAINTAIN_EXPLAIN end as INS_USE_MAINTAIN_EXPLAIN,
+            case
+                when jfi.SUPERVISION_AGENCY_CREDENTIAL = 'null' then null else
+                jfi.SUPERVISION_AGENCY_CREDENTIAL end as SUPERVISION_AGENCY_CREDENTIAL,
+            case
+                when jfi.TYPE_TEST_CREDENTIAL = 'null' then null else
+                jfi.TYPE_TEST_CREDENTIAL end as TYPE_TEST_CREDENTIAL
         FROM idx_biz_jg_design_info  jdi
                  LEFT JOIN  idx_biz_jg_factory_info jfi on jdi.RECORD = jfi.RECORD