<!DOCTYPE html>
<html lang="zh-CN">
<head>
<Meta charset="UTF-8">
<Meta name="viewport" content="width=device-width,initial-scale=1">
<title>axios 时钟案例</title>
<Meta name="Keywords" content="关键字">
<Meta name="description" content="简介">
<script src="https://unpkg.com/axios"></script>
</head>
<body>
<h3 class="st"></h3>
<hr>
<script>
setInterval(()=>{
axios.get("/time")
.then(res=>{document.querySelector(".st").innerHTML=res.data})
.catch(err=>console.error(err))})
},1000)
</script>
</body>
</html>
package ws.wsj.servlet;
import javax.servlet.servletexception;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
/**
* @author 卋舉
* @ProjectName IntelliJ IDEA
* @ClassName Time
* @description: Todo
* @date 2021/10/19 21:23
*/
/*时钟效果*/
@WebServlet("/time")
public class Time extends HttpServlet {
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws servletexception, IOException {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date d = new Date();
PrintWriter out = resp.getWriter();
out.println(sdf.format(d));
}
}
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