JS implements websocket real-time message prompts

This article mainly introduces the relevant information about the effect of JS implementing websocket long polling real-time message prompts. Friends in need can refer to it. I hope it can help everyone.

The rendering is as follows:

The reference code is as follows:

jsp code:

<%@ page contentType="text/html;charset=UTF-8" language="java"%> 
 
 
 ">" style="height: 14px" alt="logo" class="logo-default" /> 
 
  
 
 
 报警  
 
 
 你好，${sessionScope.username}   
 
修改密码
 
 ">退出登录
 
 
 
 
 
 
    

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