琢磨好几天,百度了许多相关知识 ,对初学者的我还是没有能解决,希望能得到大神们的帮助,在此先谢过!
废话不说,先说问题,我想整合hibernate和spring,没有用Struts,
然后在如下配置bean
<bean id="testAction" class="com.sven.action.TestAction">
<property name="memberService">
<ref bean="memberService"/>
</property>
</bean>
<bean id="memberService" class="com.sven.service.impl.SwMemberServiceImpl">
<property name="memberDao">
<ref bean="memberDao"/>
</property>
</bean>
<bean id="memberDao" class="com.sven.dao.impl.SwMemberDaoImpl">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
我自己也不知道对不对,然后目录结构如下图
经过测试,在service层可以成功注入dao。
然后对应的action类如下
package com.sven.action;
import org.junit.Test;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.ClassPathResource;
import com.sven.entity.SwMember;
import com.sven.service.SwMemberService;
public class TestAction{
/**
* 注入业务层
*/
private SwMemberService memberService;
public void setMemberService(SwMemberService memberService) {
this.memberService = memberService;
}
public void testAction() {
SwMember member = this.memberService.findMemberById(19);
System.out.println(member.getUsername() + " "+member.getName());
}
@Test
public void test() {
XmlBeanFactory factory = new XmlBeanFactory(new ClassPathResource("applicationContext.xml"));
SwMemberService dao = (SwMemberService) factory.getBean("memberService");
SwMember member = dao.findMemberById(19);
System.out.println(member.getUsername() + " "+member.getName());
}
}
经过测试 ,里面的test方法,不通过注入的形式,直接获取bean可以成功,得到数据(id=19这个存在数据),然后通过一般的注入,使用testAction方法,就报错,报错如下图:
这问题出在哪呢?
望大神指教。