实例
<?php
//数据库连接参数
$db = [
'type' => 'mysql',
'host' => 'localhost',
'dbname' => 'zy',
'username' => 'root',
'password' => 'root',
];
//配置数据源DSN信息
//$pdo = new PDO('mysql:host=localhost;dbname=php','root','root');
$dsn = "{$db['type']}:host={$db['host']};dbname={$db['dbname']}";
try{
$pdo = new PDO($dsn,$db['username'],$db['password']);
echo "连接成功!<br/>";
}catch(PDOException $e){
die( $e->getMessage() );
}
?>运行实例 »
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实例
<?php
//链接数据库
require 'connect.php';
// 获取栏目信息
$sql = 'SELECT `cate_id`,`name` FROM `Shop`';
$stmt = $pdo->prepare($sql);
$stmt->execute();
$cates = $stmt->fetchAll(PDO::FETCH_ASSOC);
$cate_count = count($cates); // 栏目数量
// 获取影视信息
$sql = 'SELECT `mov_id`,`mov_name`,`image`, `mov_js`, `cate_id` FROM `shop_varieties`';
$stmt = $pdo->prepare($sql);
$stmt->execute();
$movies = $stmt->fetchAll(PDO::FETCH_ASSOC);
?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>实践</title>
<style type="text/css">
*{
padding: 0;
margin: 0;
}
li{
list-style:none;
}
header,footer{
width: 100%;
height: 60px;
background: red;
line-height: 60px;
text-align: center;
font-size: 18px;
}
main{
display: flex;
align-items: center;
background:#FFEB3B;
}
main>ul{
flex:1;
background:pink;
text-align: center;
}
main>h3{
flex:.2;
text-align: center;
}
main>ul>li>img{
width: 150px;
height: 120px;
}
main>ul>li{
padding: 5px;
}
</style>
</head>
<body>
<header>商店</header>运行实例 »
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实例
<?php
include __DIR__ . "/header.php";
?>
<main>
<?php
foreach ($cates as $cates_v) {
// print_r($cates_v['name']);
echo '<h3><a href="list.php?id='.$cates_v['cate_id'].'">'.$cates_v['name'].'</a></h3>';
echo '<ul>';
foreach ($movies as $movies_v) {
// print_r($movies_v['mov_name']);
if ($movies_v['cate_id'] == $cates_v['cate_id']) {
echo '<li><a href="calist.php?id='.$movies_v['mov_id'].'&cate_id='.$movies_v['cate_id'].'">'.$movies_v['mov_name'].'</a></li>';
}
}
echo '</ul>';
}
?>
</main>
<?php
include __DIR__ . "/footer.php";
?>运行实例 »
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实例
<?php
include __DIR__ . "/header.php";
?>
<main>
<?php
foreach ($cates as $cates_v) {
// print_r($cates_v['name']);
if ($cates_v['cate_id'] == $_GET['id']) {
echo '<h3>'.$cates_v['name'].'</h3>';
echo '<ul>';
foreach ($movies as $movies_v) {
// print_r($movies_v['mov_name']);
if ($movies_v['cate_id'] == $cates_v['cate_id']) {
echo '<li><a href="calist.php?id='.$movies_v['mov_id'].'&cate_id='.$movies_v['cate_id'].'">'.$movies_v['mov_name'].'</a></li>';
}
}
echo '</ul>';
}
}
?>
</main>
<?php
include __DIR__ . "/footer.php";
?>运行实例 »
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实例
<?php
include __DIR__ . "/header.php";
?>
<main>
<?php
foreach ($cates as $cates_v) {
// print_r($cates_v['name']);
if ($cates_v['cate_id'] == $_GET['cate_id']) {
echo '<h3><a href="list.php?id='.$cates_v['cate_id'].'">'.$cates_v['name'].'</a></h3>';
echo '<ul>';
foreach ($movies as $movies_v) {
// print_r($movies_v['mov_name']);
if ($movies_v['mov_id'] == $_GET['id']) {
echo '<li>'.$movies_v['mov_name'].'</li>';
echo '<li><img src="/img/'.$movies_v['image'].' "></li>';
echo '<li>'.$movies_v['mov_js'].'</li>';
}
}
echo '</ul>';
}
}
?>
</main>
<?php
include __DIR__ . "/footer.php";
?>运行实例 »
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实例
<?php
//数据库连接参数
$db = [
'type' => 'mysql',
'host' => 'localhost',
'dbname' => 'zy',
'username' => 'root',
'password' => 'root',
];
//配置数据源DSN信息
//$pdo = new PDO('mysql:host=localhost;dbname=php','root','root');
$dsn = "{$db['type']}:host={$db['host']};dbname={$db['dbname']}";
try{
$pdo = new PDO($dsn,$db['username'],$db['password']);
echo "连接成功!<br/>";
}catch(PDOException $e){
die( $e->getMessage() );
}
?>运行实例 »
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实例
<?php
session_start();
if (isset($_SESSION['phone'])) {
echo '用户: ' . $_SESSION['phone'] . '已登录<br>';
echo '<a href="dispatch.php?action=logout">退出</a>';
} else {
echo '<a href="dispatch.php?action=login">请登录</a>';
}运行实例 »
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实例
<?php
// 防止用户重复登录
if (isset($_SESSION['phone'])) {
echo '<script>alert("不要重复登录");location.assign("index.php");</script>';
}
?>
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>用户登录</title>
</head>
<body>
<h3>用户登录</h3>
<form action="dispatch.php?action=check" method="post" onsubmit="return isEmpty();">
<p>
<label for="phone">手机号:</label>
<input type="phone" name="phone" id="phone">
</p>
<p>
<label for="password">密码:</label>
<input type="password" name="password" id="password">
</p>
<p>
<button>提交</button>
</p>
</form>
<script>
function isEmpty() {
var phone = document.getElementById('phone').value;
var password = document.getElementById('password').value;
if (phone.length=== 0 || password.length===0) {
alert('手机和密码不能为空');
return false;
}
}
</script>
</body>
</html>运行实例 »
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实例
<?php
// 1.判断用户的请求类型是否正确?
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
// 2.获取表单数据
$phone = $_POST['phone'];
$password = md5($_POST['password']);
//var_dump($phone.'--'.$password);
// 3. 用用户表user.dbf进行验证
$sql = 'SELECT * FROM `username` WHERE `phone` = :phone AND `password` = :password LIMIT 1';
$stmt = $pdo->prepare($sql);
$stmt->execute(['phone'=>$phone, 'password'=>$password]);
$user = $stmt->fetch(PDO::FETCH_ASSOC);
// 4. 判断验证的结果
if (false === $user) {
// 验证失败,返回上一下页面
echo '<script>alert("验证失败");history.back();</script>';
die;
}
// 验证成功，将用户的信息写到session
$_SESSION['phone'] = $user['phone'];
echo '<script>alert("登录成功");location.assign("index.php");</script>';
exit;
} else {
die('请求类型错误');
}运行实例 »
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实例
<?php
// 只需要在该脚本中打开会话即可, check.php/logout.php/login.php都是由它调用的, 不必重复开启
session_start();
// 连接数据库
require __DIR__ . '/connect.php';
// 获取请求参数
$action = isset($_GET['action']) ? $_GET['action'] : 'login';
$action = htmlentities(strtolower(trim($action)));
// 请求分发
switch ($action) {
// 1. 登录页面
case 'login':
// 加载登录表单
include __DIR__ . '/login.php';
break;
// 2. 验证登录
case 'check':
include __DIR__ . '/check.php';
break;
// 3. 退出登录
case 'logout':
include __DIR__ . '/logout.php';
break;
// 默认操作
default:
header('Location: index.php');
echo '<script>location.assign("index.php");</script>';
}运行实例 »
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实例
<?php
// 必须在用户已经登录的情况下再退出
if (isset($_SESSION['phone'])) {
session_destroy();
echo '<script>alert("退出成功");location.assign("index.php");</script>';
} else {
// 要求用户先登录
echo '<script>alert("请先登录");location.assign("index.php");</script>';
}运行实例 »
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