<%@ page language="java" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>回顧傳統Web應用請求和響應特點【顯示當前時間】</title>
</head>
<body>
當前時間：${requestScope.nowStr}<br/>
<input id="buttonID" type="button" value="獲取當前時間"/><p/>
<script type="text/javascript">
//定位按鈕，同時添加單擊事件
document.getElementById("buttonID").onclick = function(){
//發送請求到服務器
var url = "${pageContext.request.contextPath}/TimeServlet";
window.location.href = url;
}
</script>
</body>
</html>
package cn.itcast.javaee.js.time;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* 回顧傳統Web應用請求和響應特點【顯示當前時間】
* @author AdminTC
*/
public class TimeServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {
//測試
System.out.println("GET");
//構造SimpleDateFormat對象
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
//將當前日期按照指定格式輸出成字符串
String nowStr = sdf.format(new Date());
//將結果綁定到request域對象中
request.setAttribute("nowStr",nowStr);
//轉發到06_time.jsp頁面
request.getRequestDispatcher("/06_time.jsp").forward(request,response);
}
}
