IBatis Mysql 获得刚插入记录的ID

<insert id="insertPerson" parameterClass="person">
    <selectKey keyProperty="id" resultClass="java.lang.Integer" type="post">
      SELECT LAST_INSERT_ID()
    </selectKey>
    <![CDATA[ insert into person(name,password) values (#name#,#password#) ]]>

 </insert>

public Integer insertPerson(Person person)throws SQLException{
try{
return (Integer) sqlMapClient.insert("insertPerson",person);//返回插入的id
}catch(Exception e){
System.out.println(e);
}
return null;
}