代码练习之登陆 PHP会话控制 session cookie

log.html

<html>

    <head><title>Home Page</title></head>

    <body>

        <form action="login.php" method="post">

            <input type="text" name="name">

            <input type="submit" value="Log in">

            </form>

    </body>

</html>

<?php

session_start();

if (isset($_POST['name'])) {

    $name=$_POST['name'];

    $connect=@new mysqli('localhost','root','123','mytestdb');

    if (mysqli_connect_errno()) {

        echo "Connection to database failed:".mysqli_connect_errno();

        exit;

        # code...

    }

    $query="select*from users where name='$name'";

    $result=$connect->query($query);

    if ($result->num_rows) {

        $_SESSION['name']=$name;

        # code...

    }

    $connect->close();

    # code...

}

if (isset($_SESSION['name'])) {

    echo "You are logged in as ".$_SESSION['name']."<br/>";

    echo "<a href='logout.php'>Log out</a>"."<br/>";

    # code...

}else{

    if (isset($name)) {

        echo "Could not log in"."<br/>";

        # code...

    }else{

        echo "You are not logged in"."<br/>";

    }

}

logout.php

<?php

session_start();

unset($_SESSION['name']);

session_destroy();

if (empty($_SESSION['name'])) {

    echo "You have log out!";

    # code...

}

巴特西

代码练习之登陆 PHP会话控制 session cookie

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巴特西

代码练习之 登陆 PHP会话控制 session cookie

最新文章

热门文章

代码练习之登陆 PHP会话控制 session cookie