MyBatis insert操作插入数据之后返回插入记录的id

<insert id="insert" 
keyproperty="id" 
usegeneratedkeys="true"
     parametertype="com.demo.domain.countrateconfig">

insert into query_rate_config (code,partner_type,search_count, booking_count, ticket_count,rate_type)

values (#{code,jdbctype=varchar},#{partnertype,jdbctype=tinyint}, #{searchcount,jdbctype=integer},
  #{bookingcount,jdbctype=integer}, #{ticketcount,jdbctype=integer},#{ratetype,jdbctype=tinyint})
</insert>

@override
  public int insert(countrateconfig countrateconfig) {
    int insertnum = integer.parseint(countrateconfigmapper.insert(countrateconfig) + "");
    long id = countrateconfig.getid();
    return insertnum;
  }