修改SQL

src/main/resources/com/steerinfo/dil/mapper/WmshGridMaterialMapper.xml

@@ -492,8 +492,10 @@
                            on RM.MATERIAL_ID = DB.MATERIAL_ID
                  left join RMS_PORT RP
                            on RP.PORT_ID = WOR.HARBOR_ID
-        where  (instr(RM.MATERIAL_NAME , #{con}) > 0 or instr( TLT.RESULT_WAGON_NO, #{con}) > 0 or
-                instr(DB.RESULT_FOREIGN_SHIP_NAME,#{con}) > 0 or instr( RP.PORT_NAME,#{con}) > 0)
+        <if test="con!=null">
+        where  instr(RM.MATERIAL_NAME , #{con}) > 0 or instr( TLT.RESULT_WAGON_NO, #{con}) > 0 or
+                instr(DB.RESULT_FOREIGN_SHIP_NAME,#{con}) > 0 or instr( RP.PORT_NAME,#{con}) > 0
+        </if>
         Order By  WOR.RESULT_NUMBER desc
     </select>
 </mapper>