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PHP 登录记住密码实现思路

WBOY
WBOYOriginal
2016-06-13 11:52:49771browse

form页面

复制代码 代码如下:



用户名

密码

记住密码



用户信息
session_start();
function p($arr){
echo "
"; <br>print_r($arr); <br>echo "
";
}
p($_SESSION);
p($_COOKIE);
?>

登录页面

复制代码 代码如下:


function p($arr){
echo "

"; <br>print_r($arr); <br>echo "
";
}
session_start();
//p($_POST);
$_SESSION['username'] = $_POST['username'];
$_SESSION['password'] = $_POST['password'];
if($_POST['jizhu']){
setcookie('username',$_POST['username'],time()+60);
setcookie('password',$_POST['password'],time()+60);
}
header("location:form.php");

用户信息页面

复制代码 代码如下:


session_start();
echo "先关闭浏览器,在访问form.php 试试,然后 点推出在关闭浏览器试试";
p($_SESSION);
p($_COOKIE);
if(empty($_SESSION['username'])){
if(empty($_COOKIE['username'])){
echo "请先登录";exit;
}else{
$_SESSION['username'] = $_COOKIE['username'];
}
}
function p($arr){
echo "

"; <br>print_r($arr); <br>echo "
";
}
?>
2131231231
修改信息
推出

推出页面

复制代码 代码如下:


session_start();
unset($_SESSION['username']);
unset($_SESSION['password']);
setcookie('username','',0);
setcookie('password','',0);
header("location:form.php");
?>


修改用户信息页面

复制代码 代码如下:


session_start();
if(empty($_SESSION['username'])){
echo "请先登录";
}else{
echo "这里是信息";
}
?>

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