利用java反射机制比较同一个bean的两个对象的值是否相同

import java.lang.reflect.Field;
import java.math.BigDecimal;

public class CompareEntity {

public static void main(String[] args) {

Entity1 e1 = new Entity1();
e1.setName("名字");
e1.setAge(10);
e1.setMoney(new BigDecimal("22222"));

Entity1 e2 = new Entity1();

//e2.setName("名字");
e2.setAge(11);
e2.setMoney(new BigDecimal("33333"));

System.out.println("比较之前");
System.out.println("name:"+e1.getName());
System.out.println("age:"+e1.getAge());
System.out.println("money:"+e1.getMoney());
System.out.println("name:"+e2.getName());
System.out.println("age:"+e2.getAge());
System.out.println("money:"+e2.getMoney());
System.out.println("-------------------");
try {
Compare.compare(e1, e2);
} catch (Exception e) {
e.printStackTrace();
}
System.out.println("-----------------------");
System.out.println("比较之后");
System.out.println("name:"+e1.getName());
System.out.println("age:"+e1.getAge());
System.out.println("money:"+e1.getMoney());
System.out.println("name:"+e2.getName());
System.out.println("age:"+e2.getAge());
System.out.println("money:"+e2.getMoney());
}
}

class Compare{
public static void compare(Object src,Object target) throws Exception{
Class<?> srcClass = src.getClass();
Class<?> targetClass = target.getClass();
Field[] e1Field = srcClass.getDeclaredFields();
Field[] e2Field = targetClass.getDeclaredFields();
for(int i=0;i<e1Field.length;i++){
Field e1F = e1Field[i];
Object o1 = srcClass.getMethod(getMethodName(e1F.getName())).invoke(src);
for(int j=0;j<e2Field.length;j++){
Field e2F = e2Field[j];
if(e1F.getName().equals(e2F.getName())){
Class<?> type1 = e1F.getType();
Class<?> type2 = e2F.getType();
if(!type1.equals(type2)){
throw new RuntimeException("两个类型不一致");
}
Object o2 = targetClass.getMethod(getMethodName(e2F.getName())).invoke(target);
if(o1 == null && o2 != null ){
srcClass.getMethod(setMethodName(e1F.getName()),type1).invoke(src, o2);
}
if(o1 != null && o2 == null){
targetClass.getMethod(setMethodName(e2F.getName()),type2).invoke(target,o1);
}
if(o1 != null && o2 != null & !o1.equals(o2)){
System.out.println(o1 +" 不等于 "+ o2);
}
}
}
}
}
private static String getMethodName(String fieldName){
return "get"+fieldName.substring(0, 1).toUpperCase()+fieldName.substring(1,fieldName.length());
}
private static String setMethodName(String fieldName){
return "set"+fieldName.substring(0, 1).toUpperCase()+fieldName.substring(1,fieldName.length());
}
}

class Entity1{

private String name;

private int age;

private BigDecimal money;

public BigDecimal getMoney() {
return money;
}

public void setMoney(BigDecimal money) {
this.money = money;
}

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;
}

}