创建目标类
public class UserDaoImpl implements UserDao {
public void save() {
System.out.println("保存用户！");
}
public void select() {
System.out.println("查询用户！");
}
public void delete() {
System.out.println("删除用户！");
}
public void update() {
System.out.println("更新用户！");
}
}
public class UserDaoImpl implements UserDao {
public void save() {
System.out.println("保存用户！");
}
public void select() {
System.out.println("查询用户！");
}
public void delete() {
System.out.println("删除用户！");
}
public void update() {
System.out.println("更新用户！");
}
}
标签：Spring,void,System,用户,AOP,println,out,public,底层 From： https://www.cnblogs.com/sfwu/p/16759762.html