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?????VO??????

?Java??????????VO???????????????????????????????????????????????????????????????

???????????????????

????????????????????

List
   
     phoneCategoryVOList = new ArrayList<>();
for (PhoneCategory phoneCategory : phoneCategoryList) {
    PhoneCategoryVO phoneCategoryVO = new PhoneCategoryVO();
    phoneCategoryVO.setCategoryName(phoneCategory.getCategoryName());
    phoneCategoryVO.setCategoryType(phoneCategory.getCategoryType());
    phoneCategoryVOList.add(phoneCategoryVO);
}
   

2. ??Java8?lambda??? ????????????????????????????

List
    
      phoneCategoryVOList = phoneCategoryList.stream()
    .map(e -> new PhoneCategoryVO(
        e.getCategoryName(),
        e.getCategoryType()
    )).collect(Collectors.toList());
    

3. ??BeanUtils?copyProperties?? ????????????????????????????

List
     
       phoneInfoVOList = new ArrayList<>();
for (PhoneInfo phoneInfo : phoneInfoList) {
    PhoneInfoVO phoneInfoVO = new PhoneInfoVO();
    BeanUtils.copyProperties(phoneInfo, phoneInfoVO);
    phoneInfoVO.setTag(PhoneUtil.createTag(phoneInfo.getPhoneTag()));
    phoneInfoVOList.add(phoneInfoVO);
}
     

????????????????

BeanUtils.copyProperties(phoneInfo, phoneInfoVO, "tag");

???????lambda???????????????BeanUtils?????????????????????????????????

?????????????????????????????????????????VO???????????????????

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