Mybatis更新用户

xml配置

    <!--更新用户 -->
    <update id="updateUserById" parameterType="com.itheima.mybatis.pojo.User">
        update user set username = #{username},sex = #{sex},
        birthday = #{birthday},address = #{address} where id = #{id}
    </update>

测试

        //创建用户
        User u=new User();
        u.setAddress("useradd");
        u.setBirthday(new Date());
        u.setSex("男");
        u.setUsername("张三");
        //更新
        int account = sqlSession.update("", "");
        sqlSession.commit();