修改刷证打印交接单

src/main/java/com/yxproject/start/mapper/CartogramMapper.java

@@ -12,7 +12,7 @@ public interface CartogramMapper {
     /**
      *制证量统计图
      */
-    @Select("select task.CARD_TYPE code,dic.CARD_TYPE,to_char(task.ISSUED_DATE,'MM') dd,sum(gro.VALID_COUNT) num\n" +
+    @Select("select task.CARD_TYPE code,dic.CARD_TYPE,to_char(task.ISSUED_DATE,'MM') dd,NVL(sum(gro.VALID_COUNT),0) num\n" +
             "                        from TASK task \n" +
             "                      LEFT join GROUP_NO gro\n" +
             "                       on task.TASK_ID=gro.TASK_ID\n" +