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@@ -831,7 +831,7 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
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Date date = new Date();
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String musicGroupId = classGroup4MixDto.getMusicGroupId();
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MusicGroup musicGroup = musicGroupDao.get(musicGroupId);
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- if (musicGroup != null) {
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+ if (musicGroup == null) {
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throw new Exception("乐团不存在");
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}
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Integer schoolId = musicGroup.getSchoolId();
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@@ -1037,7 +1037,7 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
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Date date = new Date();
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String musicGroupId = classGroup4MixDto.getMusicGroupId();
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MusicGroup musicGroup = musicGroupDao.get(musicGroupId);
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- if (musicGroup != null) {
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+ if (musicGroup == null) {
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throw new Exception("乐团不存在");
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}
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ClassGroup classgroup = classGroupDao.get(classGroup4MixDto.getClassGroupId());
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@@ -1249,7 +1249,7 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
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Date date = new Date();
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String musicGroupId = classGroup4MixDto.getMusicGroupId();
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MusicGroup musicGroup = musicGroupDao.get(musicGroupId);
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- if (musicGroup != null) {
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+ if (musicGroup == null) {
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throw new Exception("乐团不存在");
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}
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Integer schoolId = musicGroup.getSchoolId();
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