Correction status:qualified
Teacher's comments:
首页index.php
<?php header("content-type:text/html;charset=utf-8"); //加载头部文件 include 'top.php'; //加载中间主体文件 include 'middle.php'; //加载底部文件 include 'foot.php'; ?>
点击 "运行实例" 按钮查看在线实例
2.头部文件cookie存值
<div style="width: 100%; height: 70px;"> <div style="float: left; width: 50%;height: 70px;"> <style type = "text/css"> a {font-size:16px} a:link {color: blue; text-decoration:none;} a:active:{color: red; } a:visited {color:purple;text-decoration:none;} a:hover {color: red; text-decoration:underline;} </style> <?php if( !isset($_COOKIE['account']) ){ ?> <p> <a style="color: red; margin-left: 10%;" href="login.php">亲,请登录</a> <a style="color: #0080C0;; margin-left: 20px;" href="register.php">注册</a> <?php }else{ ?> <p > <a style="color: red; margin-left: 10%;" href="login.php">欢迎您,<?php echo $_COOKIE['account']?></a> <a style="color: #0080C0;; margin-left: 20px;" href="quit.php">退出</a> <?php } ?> </p> </div> <div style="float: right;height: 70px;margin-right: 100px;"><p>联系电话:033-88652356 </p></div> </div>
点击 "运行实例" 按钮查看在线实例
3.头部文件session存值
<!--session存值页面--> <div style="width: 100%; height: 70px;"> <div style="float: left; width: 50%;height: 70px;"> <style type = "text/css"> a {font-size:16px} a:link {color: blue; text-decoration:none;} a:active:{color: red; } a:visited {color:purple;text-decoration:none;} a:hover {color: red; text-decoration:underline;} </style> <?php session_start(); if( !isset($_SESSION['account']) ){ ?> <p> <a style="color: red; margin-left: 10%;" href="login.php">亲,请登录</a> <a style="color: #0080C0;; margin-left: 20px;" href="register.php">注册</a> <?php }else{ ?> <p > <a style="color: red; margin-left: 10%;" href="login.php">欢迎您,<?php echo $_COOKIE['account']?></a> <a style="color: #0080C0;; margin-left: 20px;" href="quit.php">退出</a> <?php } ?> </p> </div> <div style="float: right;height: 70px;margin-right: 100px;"><p>联系电话:033-88652356 </p></div> </div>
点击 "运行实例" 按钮查看在线实例
4.用户登录页面
<!--登录页面--> <?php header("content-type:text/html;charset=utf-8");?> <form method="post" action="login_In.php"> <label for="account">用户名:</label> <input type="text" name="account" id="account"/> <label for="password">密码:</label> <input type="text" name="password" id="password"/> <input type="submit" value="登录" /> </form>
点击 "运行实例" 按钮查看在线实例
5.处理用户提交数据页面
<?php header("content-type:text/html;charset=utf-8"); //处理登录提交数据 if($_SERVER['REQUEST_METHOD'] == 'POST'){ if($_POST){ $account = trim($_POST['account']);//去掉两边空格 $password = trim($_POST['password']);//去掉两边空格 //非空判断 if(strlen($account) == 0){ echo '<script> alert(\'用户名不能为空!\');javascript:history.back(-1); </script>'; exit; } if(strlen($password) == 0){ echo '<script> alert(\'密码不能为空!\');javascript:history.back(-1); </script>'; exit; } /*连接数据库验证数据*/ //pdo方式连接 include 'connect.php'; //准备sql语句 $sql = "SELECT `password` FROM `userinfo` WHERE `account`=:account"; //创建预处理对象 $stmt = $pdo->prepare($sql); //绑定参数 $stmt->bindParam(':account',$account); $stmt->bindColumn('password',$pass); //执行并获取结果 if($stmt->execute()){ $stmt->fetch(PDO::FETCH_COLUMN); if($pass == $password){ //密码正确,将账户和密码存入cookie中,跳转到首页页面 setcookie('account',$account); //session 存数据 //session_start(); //$_SESSION['account'] = $account; header("location:index.php"); }else{ //密码不正确,返回登录页重新填写 echo '<script> alert(\'密码错误!\');javascript:history.back(-1); </script>'; exit; } }else{ //用户名不正确重新输入,跳转到登录 echo '<script> alert(\'用户名错误!\');javascript:history.back(-1); </script>'; exit; } }else{ echo '<script> alert(\'登录未成功,请稍后重试!\');javascript:history.back(-1); </script>'; exit; } }else{ die('非法提交!'); } ?>
点击 "运行实例" 按钮查看在线实例
6.连接数据库文件
<?php /*PDO连接数据库*/ $dsn = 'mysql:host=localhost;dbname=test'; $user = 'root'; $pass = 'root'; try{ //设置数据库字符集 $set_char = array(PDO::ATTR_PERSISTENT=>true,PDO::ATTR_ERRMODE=>2,PDO::MYSQL_ATTR_INIT_COMMAND=>'SET NAMES utf8'); //连接数据库 $pdo = new PDO($dsn,$user,$user,$set_char); }catch(PDOException $e){ //捕捉错误信息 die('连接失败:'.$e->getMessage()); } ?>
点击 "运行实例" 按钮查看在线实例
7.中间主体和底部文件
<div style="width: 100%;min-height: 650px; background-color: lightblue;"></div> <p style="text-align: center;">邮箱:kf@php.com 电话:033-88652356 </p> <p style="text-align: center;">地址:陕西省西安市碑林区西北工业大学</p> <p style="text-align: center;">陕ICP备15006021号-1 Copyright © 2018 亨氏牛网 All Rights Reserved</p>
点击 "运行实例" 按钮查看在线实例
8.退出功能文件
<?php //退出销毁cookie setcookie('account','',time()-3600); header("location:index.php"); //退出销毁session //session_start(); //unset($_SESSION['account']); ?>
点击 "运行实例" 按钮查看在线实例