function db_user_isroot($username)
{
if (!db_user_exist($username)) {
return false;
}
$result = mysql_query("select isroot from user where username = '******'");
$row = mysql_fetch_array($result);
if ($row[0] == 1) {
return true;
} else {
return false;
}
}
<?php
include "header.php";
include "db_conn.php";
require_once 'class.phpmailer.php';
?>
<div class="mainbar">
<div class="article">
<h2>注册结果</h2><div class="clr"></div>
<p>
<?php
if (true) {
echo "网上报名已结束。如还需报名请与组委会联系。\n";
} else {
if (db_user_exist($_POST['username'])) {
echo "用户名已存在，请<a href='javascript:window.history.back()'>返回</a>重新选择用户名。\n";
} else {
$s = $_POST['username'];
for ($i = 0; $i < strlen($s); $i++) {
if ($s[$i] >= '0' && $s[$i] <= '9' || $s[$i] >= 'a' && $s[$i] <= 'z' || $s[$i] >= 'A' && $s[$i] <= 'Z' || $s[i] == '-' || $s[i] == '_') {
continue;
} else {
break;
}
}
if ($i != strlen($s)) {
echo "用户名非法，请<a href='javascript:window.history.back()'>返回</a>重新选择用户名。\n";
} else {
if ($_POST['password'] != $_POST['repassword']) {
echo "密码不一致，请<a href='javascript:window.history.back()'>返回</a>重新输入。\n";
} else {
