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分别用cookie与session实现登陆验证及新用户注册
王珂
Original
896 people have browsed it

cookie方式

index.php

  1. <?php
  2. // 判断是否已经登录?
  3. if (isset($_COOKIE['user'])) $user = unserialize($_COOKIE['user']);
  4. ?>
  5. <!DOCTYPE html>
  6. <html lang="en">
  7. <head>
  8.     <meta charset="UTF-8">
  9.     <title>管理系统</title>
  10.     <link rel="stylesheet" type="text/css" href="../css/bootstrap.min.css" >
  11. </head>
  12. <body>
  13. <div class="container">
  14.     <div class="row">
  15.         <div class="col-md-12">
  16.             <!-- 顶部导航 -->
  17.             <nav class="navbar navbar-default">
  18.                 <div class="container-fluid">
  19.                     <!-- Brand and toggle get grouped for better mobile display -->
  20.                     <div class="navbar-header">
  21.                         <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
  22.                             <span class="sr-only">Toggle navigation</span>
  23.                             <span class="icon-bar"></span>
  24.                             <span class="icon-bar"></span>
  25.                             <span class="icon-bar"></span>
  26.                         </button>
  27.                         <a class="navbar-brand" href="index.php">管理系统</a>
  28.                     </div>
  29.                     <!-- Collect the nav links, forms, and other content for toggling -->
  30.                     <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
  31.                         <ul class="nav navbar-nav navbar-right">
  32.                             <!-- 根据cookie判断用户是否登录,显示不同的内容 -->
  33.                             <?php if (isset($user)) : ?>
  34.                                 <li><a href="" id="logout"><span style="color:red"><?php echo $user['name']?></span>&nbsp;&nbsp;退出</a></li>
  35.                             <?php else: ?>
  36.                                 <li><a href="login.php">登录</a></li>
  37.                             <?php endif ?>
  38.                         </ul>
  39.                     </div><!-- /.navbar-collapse -->
  40.                 </div><!-- /.container-fluid -->
  41.             </nav>
  42.         </div>
  43.     </div>
  44.     <script>
  45.         //        为退出按钮创建事件监听器
  46.         document.querySelector('#logout').addEventListener('click', function(event) {
  47.             if (confirm('是否退出')) {
  48.                 // 禁用默认行为, 其实就是禁用原<a>标签的点击跳转行为,使用事件中的自定义方法处理
  49.                 event.preventDefault();
  50.                 // 跳转到退出事件处理器
  51.                 window.location.assign('handle.php?action=logout');
  52.             }
  53.         });
  54.     </script>
  56. </body>
  57. </html>

handle.php

  1. <?php
  2. $pdo = new PDO('mysql:host=localhost;dbname=phpedu', 'root', 'root');
  3. $stmt = $pdo->prepare('SELECT * FROM `user`');
  4. $stmt->execute();
  5. $users = $stmt->fetchAll(PDO::FETCH_ASSOC);
  6. //print_r( $users);
  7. $action = $_GET['action'];
  9. switch (strtolower($action))
  10. {
  11.     //登陆
  12.     case 'login':
  13.         if($_SERVER['REQUEST_METHOD']='POST'){
  14.             $email = $_POST['email'];
  15.             $password = sha1($_POST['password']);
  16.             $results = array_filter($users, function($user) use ($email, $password) {
  17.                 return $user['email'] === $email && $user['password'] === $password;
  18.             });
  19.             if(count($results) === 1){
  20.                 setcookie('user',serialize(array_pop($results)));
  21.                 exit('<script>alert("验证通过");location.href="index.php"</script>');
  22.             }else{
  23.                 exit('<script>alert("邮箱或密码错误,或者还没有帐号");location.href="login.php";</script>');
  24.             }
  25.         }else {
  26.             die('请求类型错误');
  27.         }
  28.         break;
  29.         //退出
  30.     case 'logout':
  31.         if(isset($_COOKIE['user']))
  32.         {
  33.             setcookie('user',null,time()-3600);
  34.             exit('<script>alert("退出成功");location.assign("index.php")</script>');
  35.         }
  36.         break;
  37.     case 'register':
  38.         $name = $_POST['name'];
  39.         $email = $_POST['email'];
  40.         $password = sha1($_POST['p1']);
  41.         $register_time = time();
  43.         $sql = "INSERT  `user` SET `name`='{$name}', `email`='{$email}', `password`='{$password}', `create_time`={$register_time}";
  44.         $stmt = $pdo->prepare($sql);
  45.         $stmt->execute();
  46.         if ($stmt->rowCount() === 1) exit('<script>alert("注册成功");location.assign("login.php")</script>');
  47.         else exit('<script>alert("注册失败");location.assign("register.php")</script>');
  48.         break;
  49.     // 未定义
  50.     default:
  51.         exit('未定义操作');
  53. }

login.php

  1. <?php
  2. // 判断是否已登录
  3. if (isset($_COOKIE['user']))
  4.     exit('<script>alert("请不要重复登录");location.href="index.php";</script>');
  5. ?>
  6. <!DOCTYPE html>
  7. <html lang="en">
  8. <head>
  9.     <meta charset="UTF-8">
  10.     <title>管理系统</title>
  11.     <!-- 使用load标签加载资源文件 -->
  12.     <link rel="stylesheet" type="text/css" href="../css/bootstrap.min.css" >
  13. </head>
  14. <body>
  15.     <div class="container">
  17.         <div class="row">
  19.             <div class="col-md-4">
  20.             </div>
  21.             <div class="col-md-4">
  22.                 <div class="page-header text-center">
  23.                     <h3>管理系统登陆</h3>
  24.                 </div>
  25.                 <form class="form-horizontal"
  26.                  action="handle.php?action=login" method="post">
  27.                     <div class="form-group">
  28.                         <label for="inputEmail3" class="col-sm-2 control-label">邮箱:</label>
  29.                         <div class="col-sm-10">
  30.                             <input type="email" name="email" class="form-control" id="inputEmail3" placeholder="邮箱">
  31.                         </div>
  32.                     </div>
  33.                     <div class="form-group">
  34.                         <label for="inputPassword3" class="col-sm-2 control-label">密码:</label>
  35.                         <div class="col-sm-10">
  36.                             <input type="password" name="password" class="form-control" id="inputPassword3" placeholder="密码">
  37.                         </div>
  38.                     </div>
  40.                     <div class="form-group">
  41.                         <div class="col-sm-offset-2 col-sm-10">
  42.                             <button type="submit" class="btn btn-primary btn-block">登录</button>
  43.                         </div>
  44.                     </div>
  45.                 </form>
  46.                 <div class="form-group">
  47.                     <label ><a href="register.php">还没有帐号, 注册一个吧</a></label>
  48.                 </div>
  49.             </div>
  50.             <div class="col-md-4">
  52.             </div>
  53.         </div>
  54.     </div>
  56. </body>
  57. </html>

register.php

  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4.     <meta charset="UTF-8">
  5.     <title>管理系统</title>
  6.     <!-- 使用load标签加载资源文件 -->
  7.     <link rel="stylesheet" type="text/css" href="../css/bootstrap.min.css" >
  8. </head>
  9. <body>
  10. <div class="container">
  12.     <div class="row">
  14.         <div class="col-md-4">
  15.         </div>
  16.         <div class="col-md-4">
  17.             <div class="page-header text-center">
  18.                 <h3>管理系统注册</h3>
  19.             </div>
  20.             <form class="form-horizontal"
  21.                   action="handle.php?action=register" method="post">
  22.                 <div class="form-group">
  23.                     <label for="inputEmail3" class="col-sm-2 control-label">用户:</label>
  24.                     <div class="col-sm-10">
  25.                         <input type="text" name="name" class="form-control" id="name" placeholder="用户名"　 required>
  26.                     </div>
  27.                 </div>
  28.                 <div class="form-group">
  29.                     <label for="inputEmail3" class="col-sm-2 control-label">邮箱:</label>
  30.                     <div class="col-sm-10">
  31.                         <input type="email" name="email" class="form-control" id="inputEmail3" placeholder="邮箱"　 required>
  32.                     </div>
  33.                 </div>
  34.                 <div class="form-group">
  35.                     <label for="inputPassword3" class="col-sm-2 control-label">密码:</label>
  36.                     <div class="col-sm-10">
  37.                         <input type="password" name="password1" class="form-control" id="inputPassword3" placeholder="密码"　 required>
  38.                     </div>
  39.                 </div>
  40.                 <div class="form-group">
  41.                     <label for="inputPassword3" class="col-sm-2 control-label">密码:</label>
  42.                     <div class="col-sm-10">
  43.                         <input type="password" name="password2" class="form-control" id="inputPassword4" placeholder="必须与上面一致"　 required>
  44.                     </div>
  45.                 </div>
  47.                 <div class="form-group">
  48.                     <div class="col-sm-offset-2 col-sm-10">
  49.                         <button type="submit" class="btn btn-primary btn-block">注册</button>
  50.                     </div>
  51.                 </div>
  52.             </form>
  53.             <a href="login.php">我有帐号,直接登录</a>
  55.             <script>
  56.                 // 验证二次密码是否相等?
  57.                 function compare() {
  58.                     if (document.forms[0].p1.value.trim() !== document.forms[0].p2.value.trim()) {
  59.                         document.querySelector('#tips').innerText = '二次密码不相等';
  60.                         return false;
  61.                     }
  62.                 }
  63.             </script>
  65.         </div>
  66.         <div class="col-md-4">
  68.         </div>
  69.     </div>
  70. </div>
  72. </body>
  73. </html>

session方式

index.php

  1. <?php
  2. session_start();
  3. // 判断是否已经登录?
  4. if (isset($_SESSION['user'])) $user = unserialize($_SESSION['user']);
  5. ?>
  6. <!DOCTYPE html>
  7. <html lang="en">
  8. <head>
  9.     <meta charset="UTF-8">
  10.     <title>管理系统</title>
  11.     <link rel="stylesheet" type="text/css" href="../css/bootstrap.min.css" >
  12. </head>
  13. <body>
  14. <div class="container">
  15.     <div class="row">
  16.         <div class="col-md-12">
  17.             <!-- 顶部导航 -->
  18.             <nav class="navbar navbar-default">
  19.                 <div class="container-fluid">
  20.                     <!-- Brand and toggle get grouped for better mobile display -->
  21.                     <div class="navbar-header">
  22.                         <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
  23.                             <span class="sr-only">Toggle navigation</span>
  24.                             <span class="icon-bar"></span>
  25.                             <span class="icon-bar"></span>
  26.                             <span class="icon-bar"></span>
  27.                         </button>
  28.                         <a class="navbar-brand" href="index.php">管理系统</a>
  29.                     </div>
  30.                     <!-- Collect the nav links, forms, and other content for toggling -->
  31.                     <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
  32.                         <ul class="nav navbar-nav navbar-right">
  33.                             <!-- 根据cookie判断用户是否登录,显示不同的内容 -->
  34.                             <?php if (isset($user)) : ?>
  35.                                 <li><a href="" id="logout"><span style="color:red"><?php echo $user['name']?></span>&nbsp;&nbsp;退出</a></li>
  36.                             <?php else: ?>
  37.                                 <li><a href="login.php">登录</a></li>
  38.                             <?php endif ?>
  39.                         </ul>
  40.                     </div><!-- /.navbar-collapse -->
  41.                 </div><!-- /.container-fluid -->
  42.             </nav>
  43.         </div>
  44.     </div>
  45.     <script>
  46.         //        为退出按钮创建事件监听器
  47.         document.querySelector('#logout').addEventListener('click', function(event) {
  48.             if (confirm('是否退出')) {
  49.                 // 禁用默认行为, 其实就是禁用原<a>标签的点击跳转行为,使用事件中的自定义方法处理
  50.                 event.preventDefault();
  51.                 // 跳转到退出事件处理器
  52.                 window.location.assign('handle.php?action=logout');
  53.             }
  54.         });
  55.     </script>
  57. </body>
  58. </html>

login.php

  1. <?php
  2. session_start();
  3. // 判断是否已登录
  4. if (isset($_SESSION['user']))
  5.     exit('<script>alert("请不要重复登录");location.href="index.php";</script>');
  6. ?>
  7. <!DOCTYPE html>
  8. <html lang="en">
  9. <head>
  10.     <meta charset="UTF-8">
  11.     <title>管理系统</title>
  12.     <!-- 使用load标签加载资源文件 -->
  13.     <link rel="stylesheet" type="text/css" href="../css/bootstrap.min.css" >
  14. </head>
  15. <body>
  16.     <div class="container">
  18.         <div class="row">
  20.             <div class="col-md-4">
  21.             </div>
  22.             <div class="col-md-4">
  23.                 <div class="page-header text-center">
  24.                     <h3>管理系统登陆</h3>
  25.                 </div>
  26.                 <form class="form-horizontal"
  27.                  action="handle.php?action=login" method="post">
  28.                     <div class="form-group">
  29.                         <label for="inputEmail3" class="col-sm-2 control-label">邮箱:</label>
  30.                         <div class="col-sm-10">
  31.                             <input type="email" name="email" class="form-control" id="inputEmail3" placeholder="邮箱">
  32.                         </div>
  33.                     </div>
  34.                     <div class="form-group">
  35.                         <label for="inputPassword3" class="col-sm-2 control-label">密码:</label>
  36.                         <div class="col-sm-10">
  37.                             <input type="password" name="password" class="form-control" id="inputPassword3" placeholder="密码">
  38.                         </div>
  39.                     </div>
  41.                     <div class="form-group">
  42.                         <div class="col-sm-offset-2 col-sm-10">
  43.                             <button type="submit" class="btn btn-primary btn-block">登录</button>
  44.                         </div>
  45.                     </div>
  46.                 </form>
  47.                 <div class="form-group">
  48.                     <label ><a href="register.php">还没有帐号, 注册一个吧</a></label>
  49.                 </div>
  50.             </div>
  51.             <div class="col-md-4">
  53.             </div>
  54.         </div>
  55.     </div>
  57. </body>
  58. </html>

handle.php

  1. <?php
  2. session_start();
  3. $pdo = new PDO('mysql:host=localhost;dbname=phpedu', 'root', 'root');
  4. $stmt = $pdo->prepare('SELECT * FROM `user`');
  5. $stmt->execute();
  6. $users = $stmt->fetchAll(PDO::FETCH_ASSOC);
  7. //print_r( $users);
  8. $action = $_GET['action'];
  10. switch (strtolower($action))
  11. {
  12.     //登陆
  13.     case 'login':
  14.         if($_SERVER['REQUEST_METHOD']='POST'){
  15.             $email = $_POST['email'];
  16.             $password = sha1($_POST['password']);
  17.             $results = array_filter($users, function($user) use ($email, $password) {
  18.                 return $user['email'] === $email && $user['password'] === $password;
  19.             });
  20.             if(count($results) === 1){
  21.                 $_SESSION['user'] = serialize(array_pop($results));
  22.                 exit('<script>alert("验证通过");location.href="index.php"</script>');
  23.             }else{
  24.                 exit('<script>alert("邮箱或密码错误,或者还没有帐号");location.href="login.php";</script>');
  25.             }
  26.         }else {
  27.             die('请求类型错误');
  28.         }
  29.         break;
  30.         //退出
  31.     case 'logout':
  32.         if (isset($_SESSION['user']))
  33.         {
  34.             session_destroy();
  35.             exit('<script>alert("退出成功");location.assign("index.php")</script>');
  36.         }
  37.         break;
  38.     case 'register':
  39.         $name = $_POST['name'];
  40.         $email = $_POST['email'];
  41.         $password = sha1($_POST['p1']);
  42.         $register_time = time();
  44.         $sql = "INSERT  `user` SET `name`='{$name}', `email`='{$email}', `password`='{$password}', `create_time`={$register_time}";
  45.         $stmt = $pdo->prepare($sql);
  46.         $stmt->execute();
  47.         if ($stmt->rowCount() === 1) exit('<script>alert("注册成功");location.assign("login.php")</script>');
  48.         else exit('<script>alert("注册失败");location.assign("register.php")</script>');
  49.         break;
  50.     // 未定义
  51.     default:
  52.         exit('未定义操作');
  54. }

register.php

  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4.     <meta charset="UTF-8">
  5.     <title>管理系统</title>
  6.     <!-- 使用load标签加载资源文件 -->
  7.     <link rel="stylesheet" type="text/css" href="../css/bootstrap.min.css" >
  8. </head>
  9. <body>
  10. <div class="container">
  12.     <div class="row">
  14.         <div class="col-md-4">
  15.         </div>
  16.         <div class="col-md-4">
  17.             <div class="page-header text-center">
  18.                 <h3>管理系统注册</h3>
  19.             </div>
  20.             <form class="form-horizontal"
  21.                   action="handle.php?action=register" method="post">
  22.                 <div class="form-group">
  23.                     <label for="inputEmail3" class="col-sm-2 control-label">用户:</label>
  24.                     <div class="col-sm-10">
  25.                         <input type="text" name="name" class="form-control" id="name" placeholder="用户名"　 required>
  26.                     </div>
  27.                 </div>
  28.                 <div class="form-group">
  29.                     <label for="inputEmail3" class="col-sm-2 control-label">邮箱:</label>
  30.                     <div class="col-sm-10">
  31.                         <input type="email" name="email" class="form-control" id="inputEmail3" placeholder="邮箱"　 required>
  32.                     </div>
  33.                 </div>
  34.                 <div class="form-group">
  35.                     <label for="inputPassword3" class="col-sm-2 control-label">密码:</label>
  36.                     <div class="col-sm-10">
  37.                         <input type="password" name="password1" class="form-control" id="inputPassword3" placeholder="密码"　 required>
  38.                     </div>
  39.                 </div>
  40.                 <div class="form-group">
  41.                     <label for="inputPassword3" class="col-sm-2 control-label">密码:</label>
  42.                     <div class="col-sm-10">
  43.                         <input type="password" name="password2" class="form-control" id="inputPassword4" placeholder="必须与上面一致"　 required>
  44.                     </div>
  45.                 </div>
  47.                 <div class="form-group">
  48.                     <div class="col-sm-offset-2 col-sm-10">
  49.                         <button type="submit" class="btn btn-primary btn-block">注册</button>
  50.                     </div>
  51.                 </div>
  52.             </form>
  53.             <a href="login.php">我有帐号,直接登录</a>
  55.             <script>
  56.                 // 验证二次密码是否相等?
  57.                 function compare() {
  58.                     if (document.forms[0].p1.value.trim() !== document.forms[0].p2.value.trim()) {
  59.                         document.querySelector('#tips').innerText = '二次密码不相等';
  60.                         return false;
  61.                     }
  62.                 }
  63.             </script>
  65.         </div>
  66.         <div class="col-md-4">
  68.         </div>
  69.     </div>
  70. </div>
  72. </body>
  73. </html>
Correcting teacher：天蓬老师天蓬老师

Correction status：qualified

Teacher's comments：看来, 还是离开老师代码, 一句也写不出来, 全程抄写
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