Java8 List 根据某字段去除重复 。。导入Java。util
List<CustomerSchedule> rows = customerScheduleService.selectList(null, customerSchedule);
rows = rows.stream().collect(
Collectors.collectingAndThen(
Collectors.toCollection(() -> new TreeSet<>(Comparator.comparing(CustomerSchedule::getInstitutionName))), ArrayList::new));