application项目获取bean

　　对于web项目，编程方式获取bean如下：

WebApplicationContext wac = ContextLoader.getCurrentWebApplicationContext();
CrmHttpClientBuilder builder = (CrmHttpClientBuilder) wac.getBean("crmHttpClientBuilder");

　　但是对于应用类项目要如何获取呢？方式之一就是通过实现ApplicationContextAware接口。
　　1. 定义接口

public class SpringContextUtil implements ApplicationContextAware {    
    // Spring应用上下文环境    
    private static ApplicationContext applicationContext;    
    /**  
     * 实现ApplicationContextAware接口的回调方法，设置上下文环境  
     *   
     * @param applicationContext  
     */    
    public void setApplicationContext(ApplicationContext applicationContext) {    
        SpringContextUtil.applicationContext = applicationContext;    
    }    
    /**  
     * @return ApplicationContext  
     */    
    public static ApplicationContext getApplicationContext() {    
        return applicationContext;    
    }
    /**  
     * 获取对象  
     *   
     * @param name  
     * @return Object
     * @throws BeansException  
     */    
    public static Object getBean(String name) throws BeansException {    
        return applicationContext.getBean(name);
    }    
}  

2. 在applicationContext里面定义bean；只有这样定义才可以在spring初始化加载的时候填充该类的applicationContext。
 <bean id="springContextUtils" class="brave.SpringContextUtil" />
3. 使用

CrmTracingFactoryBean beanFactory = (CrmTracingFactoryBean) SpringContextUtil.getBean("tracing");
beanFactory.setLocalServiceName("lorry-dubbo-good");