IExchangeRate iexchangRate=ExchangeRateFactory.getRemoteInstance(); //汇率对象
companyOrgInfo.getBaseExchangeTable().getId();
//获取当前公司汇率表 获取公司的两种币别之间的汇率
ExchangeRateInfo erInfo=iexchangRate.getExchangeRate(exchangeTableId,sourceCurrencyId,destCyrrencyId,Calendar.getInstance().getTime();