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HomeBackend DevelopmentPHP TutorialPHP网页游戏学习之Xnova(ogame)源码解读(四)_php实例

五、 用户登录(login.php)

在开始的时候,我们说过游戏的入口是index.php文件;我们已经安装好了,自然转向登录流程,开始看。

前面照例是一段我们前进介绍过的代码,我们就不再详细讲了;不同的是使用的语言文件是login.mo,还有一个LOGIN的常量。如下

define('INSIDE' , true);
define('INSTALL' , false);
define('LOGIN'  , true);
$InLogin = true;
$xnova_root_path = './';
include($xnova_root_path . 'extension.inc');
include($xnova_root_path . 'common.' . $phpEx);
includeLang('login'); 


接下来又是我们前面讲过的结构,我们看初次进入的分支是下面代码:

$parse         = $lang;
$Count         = doquery('SELECT COUNT(*) as `players` FROM {{table}} WHERE 1', 'users', true);
$LastPlayer      = doquery('SELECT `username` FROM {{table}} ORDER BY `register_time` DESC', 'users', true);
$parse['last_user']  = $LastPlayer['username'];
$PlayersOnline     = doquery("SELECT COUNT(DISTINCT(id)) as `onlinenow` FROM {{table}} WHERE `onlinetime` > '" . (time()-900) ."';", 'users', true);
$parse['online_users'] = $PlayersOnline['onlinenow'];
$parse['users_amount'] = $Count['players'];
$parse['servername']  = $game_config['game_name'];
$parse['forum_url']  = $game_config['forum_url'];
$parse['PasswordLost'] = $lang['PasswordLost'];
$page = parsetemplate(gettemplate('login_body'), $parse);
// Test pour prendre le nombre total de joueur et le nombre de joueurs connect閟
if ($_GET['ucount'] == 1) {
 $page = $PlayersOnline['onlinenow']."/".$Count['players'];
 die ( $page );
} else {
 display($page, $lang['Login']);
} 

主要是取得注册用户数、最后注册用户、当前在线数;并显示登陆欢迎页面,包括前面取得的这些用户数据。
好了,现在用户可以选择注册并转向前面章节流程,或者是输入用户名和密码转入登录流程。

1. 先根据输入的用户,从数据库取得此用户的记录
2. 如果有记录,则使用md5判断用户的密码是否正确
3. 如果密码正确,则看用户是否选择了记住密码功能,后面用到
4. include数据库配置文件config
5. Setcookie,里面有用户名、密码等
6. 重定向到frames.php文件

其中前面的几个判断是否的话,就要出现一些错误提示信息,并结束登录过程,使用的是message()函数提示,前面也讲过。

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