<?php 
if(basename($_SERVER['PHP_SELF'])!="auto.php")
{
    if(!is_file("admin.php"))
    {
        if(isset($_POST['username']) && isset($_POST['password']) && isset($_POST['password2']))
        {
            if(strlen($u=trim($_POST['username']))>=5 && strlen($p=trim($_POST['password']))>=5 && $p===trim($_POST['password2']))
            {
                $data="<?php \ndefine(\"U\",\"$u\");\ndefine(\"P\",\"$p\");\n?>";
                if(file_put_contents("admin.php",$data))
                {
                    header("Location: {$_SERVER['PHP_SELF']}?{$_SERVER['QUERY_STRING']}");
                    exit;
                }
                else
                {
                    $info="没有权限写入配置文件！";
                }
            }
            else
            {
                $info="没有正确输入配置信息！";
            }
        }
        require "xhtml.php";
        header("Content-Type:text/html;charset=UTF-8");
        head2("配置系统");
        echo "<div class=\"love\">\n";
        echo "<form action=\"{$_SERVER['PHP_SELF']}?{$_SERVER['QUERY_STRING']}\" method=\"POST\">\n";
        echo "用户昵称：<br />\n<input type=\"text\" name=\"username\" /><br />\n";
        echo "用户密码：<br />\n<input type=\"text\" name=\"password\" /><br />\n";
        echo "重复密码：<br />\n<input type=\"password\" name=\"password2\" /><br />\n";
        echo "<input type=\"submit\" value=\"配置超级帐号\" />\n";
        echo "</form>\n";
        echo "</div>\n";
        if(isset($info))
        {
            echo "<div class=\"subtitle\">\n配置系统错误信息\n</div>\n";
            echo "<div class=\"love\">\n$info\n</div>\n";
        }
        footer(1);
        exit;
    }
}