代码优化 public static StreamMidLevelDemocracyEvaluationVO groupRemoveAppraiseeAttributefinal ListMidLevelDemocracyEvaluationVO midLevelDemocracyEvaluations return CollectionUtilsemptyIfNullmid

public static Stream groupRemoveAppraiseeAttribute(final List midLevelDemocracyEvaluations) { return midLevelDemocracyEvaluations.stream() .collect(Collectors.groupingBy(MidLevelDemocracyEvaluationVO::getAppraiseeEmpCode)) //根据被考核者员工编号进行分组 .values() .stream() .flatMap(MidLevelDemocracyEvaluationUtils::removeAppraiseeAttribute) //扁平化处理,删除多余的被考核者属性 .sorted(new MidLevelEvaluationComparator());