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@@ -61,8 +61,9 @@ public class LessonCoursewareServiceImpl extends ServiceImpl<LessonCoursewareMap
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e.setCourseNum(entity.getCourseNum());
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}
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}
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- String subjectIds = dtos.stream().map(e -> e.getSubjectId().toString()).collect(Collectors.joining(","));
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- if(StringUtils.isNotEmpty(subjectIds)){
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+ List<Integer> collect = dtos.stream().map(e -> e.getSubjectId()).collect(Collectors.toList());
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+ if(CollectionUtils.isNotEmpty(collect)){
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+ String subjectIds = collect.stream().map(e -> String.valueOf(e)).collect(Collectors.joining(","));
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List<Map<Integer, String>> subjectNames = subjectDao.queryNameByIds(subjectIds);
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Map<Integer, String> subjectNameMap = MapUtil.convertMybatisMap(subjectNames);
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for (LessonCoursewareWrapper.LessonCoursewareDto e : dtos) {
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