spring event （@EventListener）

package com.hhwy;

import org.springframework.context.ApplicationEvent;

public class DemoEvent extends ApplicationEvent{

    private String msg;

    private String email;

    public DemoEvent(Object source,String msg,String email) {
        super(source);
        this.msg=msg;
        this.email=email;
    }

    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

}

package com.hhwy.fm.projectmonthlyreport;

import com.hhwy.DemoEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Component;

/**
 * <br>描 述：
 * <br>創 建 人：jzq
 * <br>建立時間：2019/6/3 19:48
 * <br>修改備註：無
 * <br>版本：1.0.0
 */
@Component
public class DemoEventListener implements ApplicationListener<DemoEvent> {

    //使用註解@Async支持 這樣不只能夠支持經過調用，也支持異步調用，很是的靈活，
    @Async
    @Override
    public void onApplicationEvent(DemoEvent event) {
        System.out.println("註冊成功，發送確認郵件爲：" + event.getEmail()+",消息摘要爲:"+event.getMsg());
    }

}

package com.hhwy.fm.projectmonthlyreport;

import com.hhwy.DemoEvent;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.stereotype.Component;

/**
 * <br>描 述：
 * <br>創 建 人：jzq
 * <br>建立時間：2019/6/3 19:52
 * <br>修改備註：無
 * <br>版本：1.0.0
 */
@Component
public class DemoEventPublisher {

    @Autowired
    private ApplicationContext applicationContext;

    public void pushlish(String msg,String mail){
        applicationContext.publishEvent(new DemoEvent(this, msg,mail));
    }

}

package com.hhwy.fm.projectmonthlyreport.controller;

import com.hhwy.fm.projectmonthlyreport.DemoEventPublisher;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

/**
 * <br>描 述：檢測-保函管理
 * <br>創 建 人：Jinzhaoqiang
 * <br>建立時間：19.5.17 
 * <br>修改備註：無
 * <br>版本：1.0.0
 */
@RestController
@RequestMapping("/test")
public class Test {

   @Autowired
   private DemoEventPublisher demoEventPublisher;
 
   @RequestMapping(value = "/test", method = RequestMethod.GET)
   public void test() {
      demoEventPublisher.pushlish("張三1","565792147@qq.com");
      demoEventPublisher.pushlish("張三2","565792147@qq.com"); 
   }
}