PHP:如何缩短url +从数据库中获取数据

时间:2013-03-31 11:43:18

标签: php mysql file-upload download download-manager

我正在尝试为我的文件上传脚本制作自动下载页面网址缩短程序。

将数据插入数据库的部分示例:

function RandomString($length) {
    $key = "";
    $keys = array_merge(range(0,9), range('a', 'z'), range('A', 'Z'));

    for($i=0; $i < $length; $i++) {
        $key .= $keys[array_rand($keys)];
    }
    return $key;
}

try {
    $db = new PDO('mysql:host='. DB_HOST .';dbname=' . DB_DATABASE .';charset=utf8', DB_USER, DB_PASSWORD);
    $db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING);

    $download_code = RandomString(5);
    $query = "INSERT INTO user_uploads(User_Id, Name, File, DownloadCode) VALUES('".$USER_ID."','".$upload_name."','".$upload_file."','".$download_code."'")";
    $link = $db->prepare($query);
    if($link->execute()){
        header("location: upload-success");
        exit();
    }
    $db = null;
}catch(PDOException $e) {
    die($e->getMessage());
}

所以,让我们说下载代码是“KD9UI”

如何制作像这样的下载页面? http://domain.com/KD9UI

当访问者访问该网址时,页面会通过此下载代码从数据库中获取数据,并将文件详细信息打印给访问者。

家庭帮助会很好:)

1 个答案:

答案 0 :(得分:1)

将ID传递给上传成功页面。

像这样:

header('Location: upload-success?download_code='.$download_code);

并将domain.com/id重定向到domain.com/download.php?download_code=id

像这样:

RewriteRule ^upload-success$ upload_success.php [L,NC]
/*
other rewrite rules..
this rule must be at last rule
becuse another rules may be exists too and it's domain.com/(...)
*/
RewriteRule ^(.+?)$ download.php?download_code=$1 [L,NC]