第三章 JSP資料互動(二)
阿新 • • 發佈:2019-01-09
1,編寫一個JSP頁面,統計網頁被訪問次數
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>顯示訪問記錄</title> </head> <% Integer count = (Integer)application.getAttribute("count"); if(count != null){ count = 1 + count; }else{ count = 1; } application.setAttribute("count",count); %> <body> <form name="loginForm" method="post" action="showCount.jsp"> 使用者名稱:<input type="text" name="userName" /> 密碼:<input type="password" name="pwd" /> <input type="submit" value="登入"> </form> </body> </html> <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% Integer i = (Integer)application.getAttribute("count"); out.println("您好,您是第 " + i +" 位訪問本網站的使用者" ); %>
2,