BeanUtils. Copyproperties cannot copy different list sets problem solving lists.transform function

                        

        <dependency>
            <groupId>com.google.guava</groupId>
            <artifactId>guava</artifactId>
            <version>26.0-jre</version>
        </dependency>

Use Lists.transform

list For source data （ copy object ）  price Target

// Source data 
List<Pr> list = new ArrayList<>();

// Use lamda
List<DTO> price = Lists.transform(list, (entity) -> {
            DTO vo = new DTO();
            vo.setCode(entity.getCode());
            vo.setName(entity.getCode());
            vo.setId(entity.getId());
            return vo;
        });

// Use function
List<DTO>    price = Lists.transform(list, new Function<Pr, DTO>() {
            @Nullable
            @Override
            public DTO apply(@Nullable Pr entity) {
                //  Conversion of internal objects 
                DTO vo = new DTO();
                vo.setCode(entity.getCode());
                vo.setName(entity.getName());
                vo.setId(entity.getId());
                return vo;
            }
        });