Crane4j

<dependency>
    <groupId>cn.crane4j</groupId>
    <artifactId>crane4j-spring-boot-starter</artifactId>
    <version>${last-version}</version>
</dependency>

@EnableCrane4j(
    constantPackages = "com.example.demo", // 描路常量类
    enumPackages = "com.example.demo"  // 扫描枚举类
)
@SpringBootApplicationpublic 
public class Application {   
    public static void main(String[] args) {  
        SpringApplication.run(Application.class, args); 
    }
}

@Component
public void OperationDataSource {
    
    // 1、直接将实例方法作为数据源 "method"
    @ContainerMethod(namespace = "method", resultType = Foo.class)
    public List<Foo> getFooList(Set<Integer>ids) {
        return ids.stream()
            .map(id -> new Foo(id).setName("foo" + id))
            .collect(Collectors.toList());
    }

    // 2、将被扫描的枚举类作为数据源 "enum"
    @ContainerEnum(namespace = "enum", key = "code")
    @Getter
    @RequiredArgsConstructor
    public enum Gender {
        MALE(1, "男性"),
        FEMALE(0, "女性");
        private final Integer code;
        private final String name;
    }

    // 3、将被扫描的常量类作为数据源 "constant"
    @ContainerConstant(namespace = "constant", reverse = true)
    public static final class Constant {
        public static final String A = "1";
        public static final String B = "2";
        public static final String C = "3";
    }
}

@Data
@Accessors(chain = true)
@RequiredArgsConstructor
public static class Foo {

    // 1、根据id从方法中获取对应的对象，然后将其name映射到当前的name中
    @Assemble(container = "method", props = @Mapping("name"))
    private final Integer id;
    private String name;

    // 2、将自己的name属性映射到fooName
    @Assemble(props = @Mapping(src = "name", ref = "fooName"))
    private String fooName;

    // 3、根据gender获得对应的枚举对象，然后将其name属性映射到当前的genderName中
    @Assemble(
        container = "enum", props = @Mapping(src = "name", ref = "genderName")
    )
    private Integer gender;
    private String genderName;

    // 4、根据key集合从常量中批量获得对应的值，再将其批量映射到当前的value中
    @Assemble(
        container = "constant", props = @Mapping(ref = "values"),
        handlerType = ManyToManyAssembleOperationHandler.class
    )
    private Set<String> keys;
    private List<String> values;
}

@Autowired
public OperateTemplate operateTemplate; // 注入快速填充工具类

public void doOperate() {
    List<Foo> targets = IntStream.rangeClosed(1, 2)
        .mapToObj(id -> new Foo(id)
			.setGender(id & 1)
			.setKeys(CollectionUtils.newCollection(LinkedHashSet::new, "1", "2", "3"))
        ).collect(Collectors.toList());
    // 填充对象
    operateTemplate.execute(targets);
}

[
    {
        "id": 1,
        "name": "foo1",
        "fooName": "foo1",
        "gender": 1,
        "genderName": "男性",
        "keys": ["1", "2", "3"],
        "values": ["A", "B", "C"]
    },
    {
        "id": 2,
        "name": "foo2",
        "fooName": "foo2",
        "gender": 0,
        "genderName": "女性",
        "keys": ["1", "2", "3"],
        "values": ["A", "B", "C"]
    }
]