1.通過注解
編寫啟動類
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package cn.bl;import org.springframework.boot.springapplication;import org.springframework.boot.autoconfigure.springbootapplication;import org.springframework.boot.web.servlet.servletcomponentscan;@springbootapplication@servletcomponentscanpublic class app { public static void main(string[] args) { springapplication.run(app.class, args); }} |
編寫一個監聽器
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package cn.bl.listener;import javax.servlet.servletcontextevent;import javax.servlet.servletcontextlistener;import javax.servlet.annotation.weblistener;@weblistenerpublic class firstlistener implements servletcontextlistener{ @override public void contextinitialized(servletcontextevent sce) { system.out.println("init .. "); } @override public void contextdestroyed(servletcontextevent sce) { system.out.println("desroyed .. "); }} |
當執行app的時候
2.通過函數
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package cn.bl.listener;import javax.servlet.servletcontextevent;import javax.servlet.servletcontextlistener;public class secondlistener implements servletcontextlistener{ @override public void contextinitialized(servletcontextevent sce) { system.out.println("second servletlistener init .. "); } @override public void contextdestroyed(servletcontextevent sce) { system.out.println("second servletlistener destroy .. "); }}package cn.bl;import org.springframework.boot.springapplication;import org.springframework.boot.autoconfigure.springbootapplication;import org.springframework.boot.web.servlet.servletlistenerregistrationbean;import org.springframework.context.annotation.bean;import cn.bl.listener.secondlistener;@springbootapplicationpublic class app2 { public static void main(string[] args) { springapplication.run(app2.class, args); } @bean public servletlistenerregistrationbean<secondlistener>getbean(){ servletlistenerregistrationbean<secondlistener>bean = new servletlistenerregistrationbean<>(new secondlistener()); return bean; }} |
總結
以上所述是小編給大家介紹的springboot整合listener的兩種方式，希望對大家有所幫助，如果大家有任何疑問請給我留言，小編會及時回復大家的。在此也非常感謝大家對服務器之家網站的支持！
原文鏈接：https://blog.csdn.net/qq_38238041/article/details/84727197
