List<String> delTagGroup = new ArrayList<>();//需要删除的
List<String> originGroupId = qwTagGroupEntityList.stream().map(QwTagGroupEntity::getGroupId).collect(Collectors.toList());//原有的
List<String> newGroupId = corpTagList.getTag_group().stream().map(CorpTagList.TagGroupBean::getGroup_id).collect(Collectors.toList());//新的
delTagGroup = originGroupId.stream().filter(o->!newGroupId.contains(o)).collect(Collectors.toList());//新的不在原有里面的
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转播
