login.php文件
<?php
ob_start();
session_start();
?>
<?
// error_reporting(E_ALL);
// ini_set(\"display_errors\", 1);
?>
<html lang=\"en\">
<head>
< >Tutorialspoint.com</ >
< href=\"css/bootstrap.min.css\" rel=\"stylesheet\">
<style>
body {
padding-top: 40px;
padding-bottom: 40px;
background-color: #ADABAB;
}
.form-signin {
max-width: 330px;
padding: 15px;
margin: 0 auto;
color: #017572;
}
.form-signin .form-signin-heading,
.form-signin .checkbox {
margin-bottom: 10px;
}
.form-signin .checkbox {
font-weight: normal;
}
.form-signin .form-control {
position: relative;
height: auto;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
padding: 10px;
font-size: 16px;
}
.form-signin .form-control:focus {
z-index: 2;
}
.form-signin input[type=\"email\"] {
margin-bottom: -1px;
border-bottom-right-radius: 0;
border-bottom-left-radius: 0;
border-color:#017572;
}
.form-signin input[type=\"password\"] {
margin-bottom: 10px;
border-top-left-radius: 0;
border-top-right-radius: 0;
border-color:#017572;
}
h2{
text-align: center;
color: #017572;
}
</style>
</head>
<body>
<h2>Enter Username and Password</h2>
<div class=\"container form-signin\">
<?php
$msg = \'\';
if (isset($_POST[\'login\']) && !empty($_POST[\'username\']) && !empty($_POST[\'password\'])) {
if ($_POST[\'username\'] == \'tutorialspoint\' && $_POST[\'password\'] == \'1234\') {
$_SESSION[\'valid\'] = true;
$_SESSION[\'timeout\'] = time();
$_SESSION[\'username\'] = \'tutorialspoint\';
echo \'You have entered valid use name and password\';
}
else
{
$msg = \'Wrong username or password\';
}
}
?>
</div> <!-- /container -->
<div class=\"container\">
<form class=\"form-signin\" role=\"form\" action=\"<?php echo htmlspecialchars($_SERVER[\'PHP_SELF\']); ?>\" method=\"post\">
<h4 class=\"form-signin-heading\"><?php echo $msg; ?></h4>
<input type=\"text\" class=\"form-control\" name=\"username\" placeholder=\"username = tutorialspoint\" required autofocus></br>
<input type=\"password\" class=\"form-control\" name=\"password\" placeholder=\"password = 1234\" required>
<button class=\"btn btn-lg btn-primary btn-block\" type=\"submit\" name=\"login\">Login</button>
</form>
Click here to clean <a href=\"logout.php\" tite=\"Logout\">Session.
</div>
</body>
</html>
Logout.php文件
<?php
session_start();
unset($_SESSION[\"username\"]);
unset($_SESSION[\"password\"]);
echo \'You have cleaned session\';
header(\'Refresh: 2; URL=login.php\');
?>
演示图：
![\"php](\"/images/php_login.png\")
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