一:不使用动态代理的情况首先看下如果不基于动态代理的mapper(dao)层接口是怎样的,dao接口定义：public interface SysUserDao {public SysUser selectById(Long id);}impl实现类：public class SysUserDaoI
一:不使用动态代理的情况首先看下如果不基于动态代理的mapper(dao)层接口是怎样的,dao接口定义：public interface SysUserDao {public SysUser selectById(Long id);}impl实现类：public class SysUserDaoI