修改取货码为4位数

kmall-admin/src/main/java/com/kmall/admin/service/impl/PickUpCodeServiceImpl.java

@@ -51,11 +51,11 @@ public class PickUpCodeServiceImpl implements PickUpCodeService {
 
         String pickUpCodeSn = pickUpCodeDao.queryMaxPickUpCode(nowTime);
         if(pickUpCodeSn == null){
-            pickUpCodeSn = "000001";
+            pickUpCodeSn = "0001";
         }else{
             AtomicInteger integer = new AtomicInteger(Integer.valueOf(pickUpCodeSn.substring(pickUpCodeSn.indexOf("-")+1)));
             int i = integer.incrementAndGet();
-            pickUpCodeSn= String.format("%06d", i);
+            pickUpCodeSn= String.format("%04d", i);
         }