xml文件转换成实体类问题


<OrderInfo OrderId="1092039340" PNR="M21NS" BigPnr="DH3LN" CreateTime="2009-11-29
22:23:59" Operator="ceshi" Status="新订单等待支付" TotlePirce="1783.35" >
<FlightsInfo>
<FlightInfo Carrier="CA" FlightNo="4431" Form="CTU" To="PEK"
TakeoffTime="2009-12-01 10:00" ArriveTime="2009-12-01 13:20" SeatClass="Y"
BenefitRate="9.3" FaceValue=1700 />
</FlightsInfo>
<Passengers>
<Passenger name=" 李飞" PassengerType=" 成人" id="33232112121212"
AirportBuildFee=50 FuleTax=50/>
</Passengers>
<LinkInfo Linker="李飞" LinkTel="13501010101" />
</OrderInfo>一段xml，怎么转换转换成实体类？xml的属性值都和实体类的属性对应。谢谢！