<update id="updateStudent" parameterClass="Student" >        UPDATE Student SET age=#age# WHERE (Id=#id#)    </update>

    public void upStudent(Student student) {        // TODO Auto-generated method stub         try {            sqlMapClient.update("updateStudent",student);        } catch (SQLException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }    }

package cn.test.main;import java.util.List;import cn.test.domain.Student;import cn.test.service.IStudent;import cn.test.service.StudentImpl;public class Test {    /**     * @param args     */    public static void main(String[] args) {        // TODO Auto-generated method stub        Student student = new Student();    student.setId(1);    student.setAge(50);    IStudent istudent5 = new StudentImpl();    istudent5.upStudent(student);        }    }