Step-BY-Step

摘要： 下面列出了<jasperReporot>根元素的全部子元素。<property>此元素用来给报表模板添加任意的信息。<property name="someproperty" value="somevalue"/>加裁了报表的Java应用程序通过调用JasperReport.getProperty()方法可以载入这些属性。JRXML模板可以包含零个或多个<property>元素。<import>此元素用于导入个别的Java类或完整的包。<import value="java.ut 阅读全文

摘要： Incomputer software, adata access object(DAO) is anobjectthat provides an abstractinterfaceto some type ofdatabaseor other persistence mechanism. By mapping application calls to the persistence layer, DAOs provide some specific data operations without exposing details of the database. This isolation 阅读全文