session

1.session中的数组

提交页面

<?php
//开始session
session_start();
if(isset($_POST['products'])){
    if(!empty($_SESSION['products'])){
        //array_unique数组去重
        $products = array_unique(
            //array_merge合并数组
            array_merge(
                //unserialize将存在session中的数组序列转化为数组
                unserialize($_SESSION['products']),
                $_POST['products']
            )
        );
        //serialize序列化后存储session
        $_SESSION['products'] = serialize($products);
    } else {
        $_SESSION['products'] = serialize($_POST['products']);
    }
    echo '将数组插入session完成';
}
?>
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
</head>

<body>
<form action="<?php echo $_SERVER['PHP_SELF'] ?>" method="post" >
<select name="products[]" multiple>
<option value="iPhone">iPhone</option>
<option value="ipad">ipad</option>
<option value="mac air">mac air</option>
</select>
<button type="submit">提交</button>
</form>
<a href="session.php">另一个页面</a>
</body>
</html>

session.php访问session页面

<?php
//开始session
session_start();

?>
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
</head>

<body>
<?php
echo "<ul>";
if(!empty($_SESSION['products'])){
    foreach(unserialize($_SESSION['products']) as $value){
        echo "<li>".$value."</li>";
    }
}
echo "</ul>";
?>
</body>
</html>

posted on 2015-02-12 15:01 吹过的风阅读(120) 评论(0) 编辑收藏举报