編寫一個簡單的留言簿,實現添加留言和顯示留言內容的功能
1 <%@ page language="java" contentType="text/html; charset=UTF-8" 2 pageEncoding="UTF-8"%> 3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 4 <html> 5 <head> 6 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 7 <title>登錄頁面</title> 8 </head> 9 <body> 10 11 <form action="liuyan.jsp" method="post"> 12 <table width="300" height="300" border="0" align="center"> 13 <tr height="80" align="center"> 14 <td colspan="2"><font size="24">留言發布欄</font></td></tr> 15 <tr height="30"> 16 <td width="80" align="right">用戶名:</td> 17 <td><input type="text" name="name"></td></tr> 18 <tr height="30"> 19 <td width="80" align="right"> 密 碼:</td> 20 <td> <input type="password" name="password"></td></tr> 21 <tr height="20"><td colspan="2"></td></tr> 22 <tr height="30"> 23 <td width="80" align="right">標 題:</td> 24 <td><input type="text" name="biaoti"></td></tr> 25 <tr><td width="80" align="right">內 容:</td> 26 <td><textarea name="neirong" rows="4" cols="20"></textarea></td></tr> 27 <tr><td height="40" align="center" colspan="2"> 28 <input type="submit" value="提交"></td></tr> 29 </table> 30 </form> 31 </body> 32 </html>
1 <%@page import="javax.swing.text.Style"%>
2 <%@ page language="java" contentType="text/html; charset=UTF-8"
3 pageEncoding="UTF-8"%>
4 <%@ page import="java.util.*" %>
5 <%@ page import="java.text.SimpleDateFormat" %>
6 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
7 <html>
8 <head>
9 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
10 <title>留言板</title>
11 </head>
12 <body>
13 <%= "<font size='36'><b><i>留言板</i></b></font>" %>
14 <%! String str= ""; %>
15 <%
16 String bt = new String( request.getParameter("biaoti").getBytes("ISO-8859-1"),"UTF-8");
17 String nr = new String( request.getParameter("neirong").getBytes("ISO-8859-1"),"UTF-8");
18 String xm = new String( request.getParameter("name").getBytes("ISO-8859-1"),"UTF-8");
19
20 Date date = new Date();
21 SimpleDateFormat da = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
22 String time = da.format(date);
23 if(bt.isEmpty()){
24 str += "<br>標 題:標題被吃了" + "<br>內 容:" + nr + "<br>發布者:" + xm + "<br>發布時間:" + time + "<hr>";
25 }else{
26 str += "<br>標 題:" + bt + "<br>內 容:" + nr + "<br>發布者:" + xm + "<br>發布時間:" + time + "<hr>";
27 }
28 %>
29
30 <%= str %>
31
32 </body>
33 </html>
運行:

