基于反射创建对象并设置属性

package com.googosoft.demo1.reflect;

import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;

/**
 * author：songyan
 * date: 2020/4/28
 * desc: 反射
 **/
public class Test {
    public static void main(String[] args) throws InvocationTargetException, NoSuchMethodException, InstantiationException, IllegalAccessException {
        Class clazz = Student.class;
        Student student = (Student) test2(clazz);
        System.out.println(student);

    }

    public static Object test2(Class clazz) throws NoSuchMethodException, IllegalAccessException, InvocationTargetException, InstantiationException {
        Constructor constroctor = clazz.getConstructor(String.class, String.class, Integer.class, String.class);
        return ((Constructor) constroctor).newInstance("id", "name", 18, "sgagga");
    }

}

/**
 * author：songyan
 * date: 2020/4/28
 **/
class Student {
    public String id;
    public String name;
    public int age;
    public String fav;

    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    public String getFav() {
        return fav;
    }

    public void setFav(String fav) {
        this.fav = fav;
    }

    public Student(String id, String name, Integer age, String fav) {
        this.id = id;
        this.name = name;
        this.age = age;
        this.fav = fav;
    }

    @Override
    public String toString() {
        return "Studnet{" +
                "id='" + id + '\'' +
                ", name='" + name + '\'' +
                ", age=" + age +
                ", fav='" + fav + '\'' +
                '}';
    }
}