public Descriptor buildAccountDescriptor() { Descriptor descriptor = new Descriptor(); descriptor.descriptorIsAggregate(); descriptor.setJavaClass(com.routease.db.vo.user.Account.class); descriptor.setAlias("Account"); // Mappings. //建立Account 对象的deposit属性与数据库表的DEPOSIT字段的对应关系 DirectToFieldMapping depositMapping = new DirectToFieldMapping(); depositMapping.setAttributeName("deposit"); depositMapping.setFieldName("DEPOSIT"); descriptor.addMapping(depositMapping); … return descriptor;}