如果你没有在JSP/Servlet容器(如:tomcat)那里配置数据源那么就需要在struts-config.xml配置你的JDBC数据源。例如:<data-sources >
    <data-source id="DS" key="myPool" type="org.apache.commons.dbcp.BasicDataSource" >
         <set-property value="jdbc:mysql://localhost/mytest" property="url" />
         <set-property value="bitan" property="username" />
         <set-property value="bb" property="password" />
         <set-property value="org.gjt.mm.mysql.Driver" property="driverClassName" />
         <set-property value="true" property="autoCommit" />
    </data-source>
 </data-sources>