package pojo;

import java.io.Serializable;

/**

* @Descrption 学生实体类

* @author lizhilun

*

*/

public class Student implements Serializable {

private static final long serialVersionUID = 1L;

private Integer id;// 主键

private String name;// 姓名

private Integer age;// 年龄

// 公有方法

public void eat(String foodName) {

System.out.println(name + "吃" + foodName);

}

public Integer getId() {

return id;

}

public void setId(Integer id) {

this.id = id;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public Integer getAge() {

return age;

}

public void setAge(Integer age) {

this.age = age;

}

public Student(Integer id, String name, Integer age) {

super();

this.id = id;

this.name = name;

this.age = age;

}

public Student() {

super();

}

}

package utils;

import java.io.Serializable;

import java.lang.reflect.Field;

import java.lang.reflect.Method;

/**

* @Descrption 反射工具类

* @author lizhilun

*

*/

public class ReflectionUtils implements Serializable{

private static final long serialVersionUID = 1L;

public static <T> void invoke(T t) throws Exception {

if(t!=null) {

Class<? extends Object> clasz = t.getClass();

Field[] fields = clasz.getFields();//获取所有的成员变量

for(Field f: fields) {

String name = f.getName();//获取字段名称

System.out.println("成员变量名称：》》》"+name);

}

Method[] methods = clasz.getMethods();//获取所有的公有方法

for (Method method : methods) {

String methodName = method.getName();//获取方法名称

System.out.println(methodName);

if(methodName!=null&&"eat".equals(methodName)) {

method.invoke(t, "蛋炒饭");//动态执行公有方法

}

}

}

}

}

package test;

import pojo.Student;

import utils.ReflectionUtils;

public class ReflectionTest {

public static void main(String[] args) {

Student student = new Student(1,"黄渤",30);//使用构造方法赋值

try {

ReflectionUtils.invoke(student);

} catch (Exception e) {

e.printStackTrace();

}

}

}