系统环境：win2000、apache、php4、tomcat、jdk1.2.2
1.cookie.php
<?
//PHP中变量可以直接用
echo $cookie_user;
if($submit){
//int setcookie(string name, string value, int expire, string path, string domain, int secure);
//setcookie函数可设定变量名、值、生存时间、路径、网站、安全传输
setcookie("cookie_user",$user,time()+9999999);
echo "<a href=cookie.php>查看cookie</a>";
}else{
?>
<html>
<head><title>Cookie</title></head>
<body>
<form action="<?echo $PHP_SELF;?>" method="post">
<pre>
名称:<input type="text" name="user"><br>
<input type="submit" name="submit" value="确定">
</pre>
</form>
<?
}
?>
此程序在本机调试通过
2.cookie.jsp
<%@ page language="java" %>
<%@ page import="java.lang.*" %>
<%@ page contentType="text/html; charset=gb2312" %>
<%@ page import="java.util.*" %>
<%
String answerNum=null ;
//定义和取得cookie
Cookie[] cookies=request.getCookies();
if( cookies!=null )
for( int i=0 ; i<cookies.length ; i++ )
//取得cookie中的变量值
if( cookies[i].getName().equals( "ANSWER" ) )
answerNum=cookies[i].getValue() ;
String guessNum=null ;
String message=null ;
boolean gameOver=false ;
if( answerNum==null ) {
answerNum="4";
//定义新的cookie
Cookie c=new Cookie( "ANSWER", answerNum ) ;
response.addCookie( c ) ;
}
else {
guessNum=request.getParameter("guess_number");
if(guessNum.compareTo(answerNum)==0) {
gameOver=true ;
message="真厉害";
//重置cookie
Cookie c=new Cookie( "ANSWER", "" ) ;
c.setMaxAge( 0 ) ;
response.addCookie( c ) ;
}else{
message="再来一次";
}
}
%>
<html>
<title>
猜数字游戏
</title>
<body bgcolor="#FFFFFF">
<h1>猜数字游戏!</h1>
<%
if( message!=null ) {
%>
<%=message %>
<%
}
if( gameOver ) {
%>
<form name="form2" method="get" action="cookie.jsp" >
<input type="submit" name="submit" value="继续" >
</form>
<%
}else{
%>
<form name="form1" method="get" action="cookie.jsp" >
请输入1位数:
<input type="text" name="guess_number" size="4" maxlength="1" >
<input type="submit" name="submit" value="输入" >
</form>
<%
}
%>
</body>
</html>
此程序在本机调试通过
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