PHP用cookie实现自动登陆
2 //自动登陆
3 if($_COOKIE["userName"] && $_COOKIE["password"] )
4 {
5 //获取登录信息传入数据库进行验证
6
7 //打印登录信息
8 echo '用户名:'.$_COOKIE["userName"].'
密码:'.$_COOKIE["password"];
9 }
10
11
12
13 //提交表单
14 if($_GET['submit'])
15 {
16 // echo 'login。。';
17 //用户勾选"记住密码"选项,将用户登陆信息写入cookie里
18 if($_GET['remember'] == 'on')
19 {
20 setcookie("userName",$_GET["userName"],time()+3600);
21 setcookie("password",$_GET["pass"],time()+3600);
22 }
23
24 //刷新页面
25 echo '<script>location.href="cookie.php"</script>';
26 }
27
28 //退出登陆
29 if($_GET['out'])
30 {
31 //设置cookie超时
32 setcookie("userName",$_GET["userName"],time()-3600);
33 setcookie("password",$_GET["pass"],time()- 3600);
34
35 //刷新页面
36 echo '<script>location.href="cookie.php"</script>';
37 }
38 ?>
39
40 form action="cookie.php" method="get">
41 table border="1" cellspacing="" align="center" background="" bordercolor="blue" rules="none">
42
43 tr bgcolor="cccccc" align="left" >th >th>th >输入信息th>tr>
44 tr>td>用户名td>td>input type="text" name="userName" >td>tr>
45 tr>td>密码td>td>input type="password" name="pass">td>tr>
46 tr>td>input type="checkbox" name="remember">记住密码td>td align="right">input type="submit" value="登陆" name="submit">td>tr>
47 table>
48 a href="cookie.php?out=out">退出登陆a>
49 form>

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