Mybatis注解

   @Select("select * from  smbms_user")
    public List<IUser>  getAllUser();

@Results(id="userMapper",value={
            @Result(property="id",column="id",id=true),
            @Result(property="userName",column="userName"),

    })
    @Select("select * from  smbms_user")
    public List<IUser>  getAllUser();

@ResultMap("userMapper")//引入@Results定义的resultMap
    @Select("select * from user")
    List<Student> getAll();
}

 @Insert("INSERT INTO  smbms_user(userCode,userName,userPassword)\n" +
            "        VALUES (#{userCode},#{userName},#{userPassword})")
    public int addUser(IUser user);

 @Update("update smbms_user set userCode=#{userCode} where id=#{id}")
    public int updateUser(IUser user);

 @Delete(" delete from  smbms_user where id=#{id}")
    public int deleteUser(int id);