jdk8 stream使用

匹配集合里面某个字段
UserHb hb = hbList.stream().filter(bo -> !bo.getJz().equals(user.getXm())).collect(Collectors.toList()).get(0);

将集合里面某个字段拼接成List<String>
List<String> str = zdryVo.getHblist().stream().map(user->user.getXm()).collect(Collectors.toList());