Web项目中获取SpringBean——在非Spring组件中获取SpringBean

 1 package org.coderecord.ccms.web.action.util;
 2 
 3 import org.springframework.beans.BeansException;
 4 import org.springframework.context.ApplicationContext;
 5 import org.springframework.context.ApplicationContextAware;
 6 
 7 /**
 8  * Spring IOC上下文工具类
 9  * 
10  * @author Ryan Shaw
11  * 
12  */
13 public class SpringUtil implements ApplicationContextAware {
14 
15     /**
16      * 当前IOC
17      */
18     private static ApplicationContext applicationContext;
19 
20     /**
21      * 设置当前上下文环境，此方法由spring自动装配
22      */
23     @Override
24     public void setApplicationContext(ApplicationContext arg0)
25             throws BeansException {
26         applicationContext = arg0;
27     }
28 
29     /**
30      * 从当前IOC获取bean
31      * 
32      * @param id
33      *            bean的id
34      * @return
35      */
36     public static Object getObject(String id) {
37         Object object = null;
38         object = applicationContext.getBean(id);
39         return object;
40     }
41 
42 }

1 <bean id="springUtil" class="org.coderecord.ccms.web.action.util.SpringUtil" />

1 YouClass obj = (YouClass)SpringUtil.getObject("beanid");

 1 package org.ahe.util;
 2 
 3 import org.springframework.beans.factory.BeanFactory;
 4 import org.springframework.beans.factory.annotation.Autowired;
 5 import org.springframework.web.context.support.SpringBeanAutowiringSupport;
 6 
 7 public class SpringWiredBean extends SpringBeanAutowiringSupport {
 8 
 9     /**
10      * 自动装配注解会让Spring通过类型匹配为beanFactory注入示例
11      */
12     @Autowired
13     private BeanFactory beanFactory;
14 
15     private SpringWiredBean() {
16     }
17 
18     private static SpringWiredBean instance;
19 
20     static {
21         // 静态块，初始化实例
22         instance = new SpringWiredBean();
23     }
24 
25     /**
26      * 实例方法
27      * 使用的时候先通过getInstance方法获取实例
28      * 
29      * @param beanId
30      * @return
31      */
32     public Object getBeanById(String beanId) {
33         return beanFactory.getBean(beanId);
34     }
35 
36     public static SpringWiredBean getInstance() {
37         return instance;
38     }
39 }

1 <context:component-scan base-package="org.ahe"></context:component-scan>