在mapper.xml中使用sql配置:
<select id="getRolesByrowBounds" resultType="pojo.Role">
select id,role_name as roleName,note from t_role
</select>
在mapper接口中配置参数:
public List<Role> getRolesByrowBounds(RowBounds rowBounds);
代码中的调用:
RowBounds rowBounds = new RowBounds(0,2);
List<Role> rolesByrowBounds = mapper.getRolesByrowBounds(rowBounds);
System.out.println(rolesByrowBounds.size());
得出结果如图: