package com.yk.aop.staticproxy;

import org.junit.jupiter.api.Test;

//1.接口

public interface IUserDao {

    void save();

    void find();

}

//2.实现类

 class UserDao implements IUserDao {

    public void save() {

        System.out.println("保存用户");

    }

    public void find() {

        System.out.println("查询用户");

    }

    @Test

    public void test(){

        System.out.print(111);

    }

}

/**

 * 3.静态代理

 */

class UserDaoProxy implements IUserDao {

    private IUserDao target;

    public UserDaoProxy(IUserDao target) {

        this.target = target;

    }

    public void save() {

        System.out.println("开启事物");

        target.save();

        System.out.println("提交事务");

    }

    public void find() {

        System.out.println("查找前操作");

        target.find();

        System.out.println("查找后操作");

    }

}