package org.company.xxx;
 
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
/**
 * 獲取spring容器，以訪問(wèn)容器中定義的其他bean
 */
public class SpringContextUtil implements ApplicationContextAware {
    // Spring應(yīng)用上下文環(huán)境
    private static ApplicationContext applicationContext;
    /**
     * 實(shí)現(xiàn)ApplicationContextAware接口的回調(diào)方法，設(shè)置上下文環(huán)境
     */
    public void setApplicationContext(ApplicationContext applicationContext)
            throws BeansException {
        SpringContextUtil.applicationContext = applicationContext;
    }
    public static ApplicationContext getApplicationContext() {
        return applicationContext;
     * 獲取對(duì)象 這里重寫(xiě)了bean方法，起主要作用
     *
     * @param name
     * @return  Object 一個(gè)以所給名字注冊(cè)的bean的實(shí)例
     * @throws BeansException
    public static Object getBean(String beanId) throws BeansException {
        return applicationContext.getBean(beanId);
}

package com.zghw.spring.demo.demo.event;
 
import org.springframework.context.ApplicationEvent;
/**
 * 定義一個(gè)發(fā)送短信的事件
 * 實(shí)現(xiàn)了ApplicationEvent
 * @author zghw
 *
 */
public class SendMessageEvent extends ApplicationEvent {
    private static final long serialVersionUID = 1L;
    //消息對(duì)象
    private Message message;
     
    //source代表了發(fā)布該事件的發(fā)布源
    public SendMessageEvent(Object source,Message message) {
        super(source);
        this.message = message;
    }
    public Message getMessage() {
        return message;
    public void setMessage(Message message) {
}

package com.zghw.spring.demo.demo.event;
 
import org.springframework.context.ApplicationListener;
import org.springframework.stereotype.Component;
/**
 * 發(fā)送短信監(jiān)聽(tīng)器，監(jiān)聽(tīng)到事件就開(kāi)始發(fā)送。
 * 實(shí)現(xiàn)ApplicationListener
 * @author zghw
 *
 */
@Component
public class SendMessageListenter implements ApplicationListener<SendMessageEvent>{
    /**
     * 監(jiān)聽(tīng)事件SendMessage，當(dāng)有事件發(fā)生則調(diào)用該方法
     */
    public void onApplicationEvent(SendMessageEvent event) {
        Message message = event.getMessage();
        String msg=message.getMessage();
        String phone = message.getPhone();
        try {
            System.out.println("開(kāi)始向手機(jī)"+phone+"發(fā)送短信，短信內(nèi)容為："+msg);
            Thread.sleep(1000);
            System.out.println("發(fā)送短信成功！");
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
}

package com.zghw.spring.demo.demo.event;
 
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.context.ApplicationEventPublisherAware;
import org.springframework.stereotype.Service;
/**
 * 實(shí)現(xiàn)ApplicationEventPublisherAware讓容器ApplicationContext作為事件發(fā)布中心，
 * 因?yàn)锳pplicationContext實(shí)現(xiàn)了ApplicationEventPublisher
 * @author zghw
 *
 */
@Service
public class UserService implements ApplicationEventPublisherAware{
    private ApplicationEventPublisher publisher;
     
    public void registerUser(String name,String phone) throws InterruptedException{
        System.out.println("注冊(cè)用戶(hù)中");
        Thread.sleep(300);
        System.out.println("注冊(cè)完成！");
         
        Message message=new Message();
        message.setMessage("你好，"+name+" 你中了1000W");
        message.setPhone(phone);
        SendMessageEvent event=new SendMessageEvent(this,message);
        //發(fā)布中心發(fā)布事件
        publisher.publishEvent(event);
    }
    /**
     * 實(shí)現(xiàn)ApplicationEventPublisherAware的方法，spring在使用時(shí)UserServicebean對(duì)象時(shí)會(huì)自動(dòng)幫我們注入
     * ApplicationEventPublisher的實(shí)現(xiàn)
     */
    public void setApplicationEventPublisher(
            ApplicationEventPublisher applicationEventPublisher) {
        this.publisher = applicationEventPublisher;
}