public class BidMsgUtil {

    private static Logger log = Logger.getLogger(BidMsgUtil.class);

    private static BidMsgUtil sybBidMsgUtil;

    private DetailManager detailManager;

    private IBidTypeInfoCopyManager bidTypeInfoCopyManager;

    public void init(){

        log.error("---------------BidMsgUtil静态类加载了");

        sybBidMsgUtil = this;

        sybBidMsgUtil.detailManager = this.detailManager;

        sybBidMsgUtil.bidTypeInfoCopyManager = this.bidTypeInfoCopyManager;

    }/**

     * @param borrowMoney

     * @return

     */

    public static  double getGtTotalFixInterest(BorrowMoney borrowMoney){
　　　　//使用的时候一定要用类名.属性名.方法名

        List<RepayDetail> details = sybBidMsgUtil.detailManager.rDList(borrowMoney.getBorrowMoneyId());

        double gtTotalFixInterest = ;

        int loginId = borrowMoney.getLoginId();

        for(RepayDetail repayDetail : details){

            if(repayDetail.getLoginId()!=loginId){

                gtTotalFixInterest+=repayDetail.getInterest();

            }

        }

       );

        return gtTotalFixInterest;

    }

}

<!--BidMsgUtil 静态类加载   注意使用lazy-init="false"--> 
<bean id="bidMsgUtil" class="com.xxx.BidMsgUtil" autowire="byName" scope="singleton" init-method="init" lazy-init="false">
　  <property name="detailManager" ref="detailManager"></property> 
　　<property name="bidTypeInfoCopyManager" ref="bidTypeInfoCopyManager"></property> 
</bean>