Spring:applicationConfig.xml
<bean id="userAction" class="com.ssi.action.userAction">
<property name="service" ref="userService"></property>
</bean>
action:
action service已经有了set/get方法,
private userServiceImpl service;
list = this.service.queryAll();
但是每次执行 queryAll方法是 总是报空指针,
什么情况呢?