修改bug

src/main/java/com/xjrsoft/module/textbook/service/impl/TextbookSubscriptionServiceImpl.java

@@ -869,18 +869,14 @@ public class TextbookSubscriptionServiceImpl extends MPJBaseServiceImpl<Textbook
             throw new MyException("征订项已经被修改，刷新重试");
         }
 
-        MPJLambdaWrapper<TextbookSubscription> textbookSubscriptionMPJLambdaWrapper = new MPJLambdaWrapper<>();
-        textbookSubscriptionMPJLambdaWrapper
-                .select(TextbookSubscription.class, x -> VoToColumnUtil.fieldsToColumns(TextbookSubscription.class).contains(x.getProperty()))
-                .eq(TextbookSubscriptionItem::getId, dto.getId())
-                .innerJoin(TextbookSubscriptionItem.class, TextbookSubscriptionItem::getTextbookSubscriptionId, TextbookSubscription::getId)
-        ;
+        TextbookSubscription textbookSubscription = this.getById(old.getTextbookSubscriptionId());
 
-        TextbookSubscription textbookSubscription = this.selectJoinOne(TextbookSubscription.class, textbookSubscriptionMPJLambdaWrapper);
+        if(ObjectUtils.isEmpty(textbookSubscription)){
+            throw new MyException("征订已经被修改，刷新重试");
+        }
 
         // 判断变更状态
         int alterationType = 0;
-        TextbookSubscription updateTotalNum = new TextbookSubscription();
         if(!old.getStudentNum().equals(dto.getStudentNum())
                 || !old.getTeacherNum().equals(dto.getTeacherNum())
         ){
@@ -891,7 +887,9 @@ public class TextbookSubscriptionServiceImpl extends MPJBaseServiceImpl<Textbook
             alterationType = 2;
         }
 
+
         // 变更征订总数量
+        TextbookSubscription updateTotalNum = new TextbookSubscription();
         if(ObjectUtils.isNotEmpty(textbookSubscription)){
             updateTotalNum.setId(textbookSubscription.getId());
             updateTotalNum.setSum((ObjectUtils.isNotEmpty(textbookSubscription.getSum()) ? textbookSubscription.getSum() : 0)
@@ -900,6 +898,7 @@ public class TextbookSubscriptionServiceImpl extends MPJBaseServiceImpl<Textbook
                     + ((ObjectUtils.isNotEmpty(dto.getTeacherNum()) ? dto.getTeacherNum() : 0)
                     - (ObjectUtils.isNotEmpty(old.getTeacherNum()) ? old.getTeacherNum() : 0))
             );
+            updateTotalNum.setModifyDate(new Date());
             this.updateById(updateTotalNum);
         }