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@@ -898,16 +898,8 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
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}
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List<Subject> subjectList = subjectService.findBySubjectByIdList(subjectIdSet);
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- String subjectIds = "";
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- String subjectNames = "";
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- for (Subject subject : subjectList) {
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- subjectIds += subject.getId() + ",";
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- subjectNames += subject.getName() + "/";
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- }
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-
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- subjectIds = subjectIds.substring(0, subjectIds.length() - 1);
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- subjectNames = subjectNames.substring(0, subjectNames.length() - 1);
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-
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+ String subjectIds = subjectList.stream().map(subject -> subject.getId().toString()).collect(Collectors.joining(","));
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+ String subjectNames = subjectList.stream().map(subject -> subject.getName()).collect(Collectors.joining("/"));
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//1、新建班级
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ClassGroup classGroup = new ClassGroup();
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@@ -1111,16 +1103,8 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
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}
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List<Subject> subjectList = subjectService.findBySubjectByIdList(subjectIdSet);
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- String subjectIds = "";
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- String subjectNames = "";
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- for (Subject subject : subjectList) {
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- subjectIds += subject.getId() + ",";
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- subjectNames += subject.getName() + "/";
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- }
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-
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- subjectIds = subjectIds.substring(0, subjectIds.length() - 1);
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- subjectNames = subjectNames.substring(0, subjectNames.length() - 1);
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-
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+ String subjectIds = subjectList.stream().map(subject -> subject.getId().toString()).collect(Collectors.joining(","));
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+ String subjectNames = subjectList.stream().map(subject -> subject.getName()).collect(Collectors.joining("/"));
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//1、新建班级
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ClassGroup classGroup = new ClassGroup();
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@@ -1319,16 +1303,8 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
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}
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List<Subject> subjectList = subjectService.findBySubjectByIdList(subjectIdSet);
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- String subjectIds = "";
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- String subjectNames = "";
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- for (Subject subject : subjectList) {
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- subjectIds += subject.getId() + ",";
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- subjectNames += subject.getName() + "/";
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- }
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-
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- subjectIds = subjectIds.substring(0, subjectIds.length() - 1);
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- subjectNames = subjectNames.substring(0, subjectNames.length() - 1);
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-
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+ String subjectIds = subjectList.stream().map(subject -> subject.getId().toString()).collect(Collectors.joining(","));
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+ String subjectNames = subjectList.stream().map(subject -> subject.getName()).collect(Collectors.joining("/"));
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//1、新建班级
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ClassGroup classGroup = new ClassGroup();
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