Function 对象转换,如把String转成int,A类转成B类

package com.jeesite.modules.jiQiao.web;

import com.google.common.base.Supplier;
import com.jeesite.modules.jiQiao.entity.Person;
import com.jeesite.modules.jiQiao.entity.UserTest;

import java.util.function.Function;

public class DemoFunctionTest {
    // 对象转换,如把String转成int,A类转成B类
    public static void main(String[] args) {
        /*getNumber((String str) -> {
            Integer integer = Integer.valueOf(str);
            int i = Integer.parseInt(str);
            return integer;
        });*/

        // 把一个数值转换成int并且乘5
        /*getNumber2((String str) -> {
            return Integer.parseInt(str);
        }, (Integer i) -> {
            return i * 5;
        });*/
        UserTest userTest = new UserTest();
        userTest.setAge(20);
        userTest.setHig(170);
        userTest.setName("张三");
        getPerson(userTest,(UserTest userTest1) -> {
            Person person = new Person();
            person.setAge(userTest.getAge());
            person.setHig(userTest.getHig());
            person.setName(userTest.getName());
            return person;
        });
    }


    public static void getNumber2(Function<String, Integer> fun1, Function<Integer, Integer> int1) {
//        Integer apply = fun1.apply("6");
//        Integer apply1 = int1.apply(apply);
        Integer apply = fun1.andThen(int1).apply("6");
        System.out.println(apply);
    }

    //对象的转换,把UserTest转成Person输出
    public static void getPerson(UserTest user,Function<UserTest, Person> function) {
        Person person = function.apply(user);
        System.out.println(person.getName() + ",身高" + person.getHig());
    }

}