去除重复代码

src/main/java/com/uas/ps/message/service/impl/MessageServiceImpl.java

@@ -113,9 +113,8 @@ public class MessageServiceImpl implements MessageService {
         final LogicalExpression logicalExpression = PredicateUtils.and(simpleExpressions);
 
         final PageInfo pageInfo = new PageInfo(pageParams);
-        pageInfo.expression(logicalExpression);
 
-        Page<Message> messages = messageDao.findAll(new Specification<Message>() {
+        return messageDao.findAll(new Specification<Message>() {
             @Override
             public Predicate toPredicate(Root<Message> root, CriteriaQuery<?> criteriaQuery,
                 CriteriaBuilder criteriaBuilder) {
@@ -129,7 +128,6 @@ public class MessageServiceImpl implements MessageService {
                 return null;
             }
         }, pageInfo);
-        return messages;
     }
 
     @Override