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Ranklist.php
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<!DOCTYPE html>
<html lang="zh-cn">
<?php require_once('Php/HTML_Head.php') ?>
<?php
//获取用户数量
$sql = "SELECT count(*) as `value` FROM `oj_user`";
$rs = oj_mysql_query($sql);
$ConCount = oj_mysql_fetch_array($rs);
$clength = $ConCount['value'];
//定义常量，一页中最大显示数量
define("MaxRankNum", 20);
//定义常量，一页中最多显示按钮数量(奇数)
define("MaxButtonNum", 5);
//计算总页数
$AllPage = $clength / MaxRankNum;
//获取当前页数
$iPage = 1;
if (array_key_exists('Page', $_GET)) {
$iPage = intval($_GET['Page']);
}
$iPage = floor($iPage);
//计算上一页的页数
$LastPage = ($iPage - 1 <= 0) ? 1 : ($iPage - 1);
//计算下一页的页数
$NextPage = $iPage * MaxRankNum < $clength ? $iPage + 1 : $iPage;
//最小页数
$MinPage = 1;
$iPage = $iPage >= $MinPage ? $iPage : 1;
//最大页数
$MaxPage = ceil(($clength * 1.0) / MaxRankNum);
$iPage = $iPage <= $MaxPage ? $iPage : $MaxPage;
//根据页数计算显示第一个的排名
$Rank = ($iPage - 1) * MaxRankNum;
//开始显示的按钮数字
$StaButNum;
//至结束显示的按钮数字
$EndButNum;
//如果最大页数小于等于一页中最多显示按钮数量
if ($MaxPage <= MaxButtonNum) {
$StaButNum = 1;
$EndButNum = $MaxPage;
} else {
//将当前页的数字当作中间的按钮
$iCenBuNum = $iPage;
//开始显示的按钮数字为 最多显示按钮数量/2
$StaButNum = $iCenBuNum - floor(MaxButtonNum / 2);
//至结束显示的按钮的数字为 最多显示按钮数量/2
$EndButNum = $iCenBuNum + floor(MaxButtonNum / 2);
//如果开始显示的数字<=0，说明不能把当前页的数字当作中间的按钮
if ($StaButNum <= 0) {
//将至结束显示的按钮的数字调整
$EndButNum -= $StaButNum - 1;
//开始显示的数字显示为1
$StaButNum -= $StaButNum - 1;
}
//如果结束显示的数字>最多显示按钮数量，说明不能把当前页的数字当作中间的按钮
if ($EndButNum > $MaxPage) {
//调整开始按钮的值
$StaButNum -= ($EndButNum - $MaxPage);
//结束显示的数字显示为最大值
$EndButNum = $MaxPage;
}
}
//读取数据库中的用户信息，保存在数组中
$sql = "SELECT `name`,`tails`,`signature`,`fight`,`regtime` FROM `oj_user` ORDER BY `fight` DESC, `regtime` LIMIT " . ($iPage - 1) * MaxRankNum . ", " . MaxRankNum;
$result = oj_mysql_query($sql);
$AllUserData = array();
if (!$result) {
header('Location: /Message.php?Msg=用户信息获取失败');
}
while ($row = oj_mysql_fetch_array($result)) {
$PassProNum = 0;
$AllNum = 0;
$sql = "SELECT count(*) AS value FROM `oj_status` WHERE User='" . $row['name'] . "' AND `Show`=1";
if (is_admin()) {
$sql = "SELECT count(*) AS value FROM `oj_status` WHERE User='" . $row['name'] . "'";
}
$rs = oj_mysql_query($sql);
$AllNum = oj_mysql_fetch_array($rs);
$sql = "SELECT `Problem` FROM `oj_status` WHERE `User`='" . $row['name'] . "' AND `Status` = " . Accepted . " AND `Show`=1";
if (is_admin()) {
$sql = "SELECT `Problem` FROM `oj_status` WHERE `User`='" . $row['name'] . "' AND `Status` = " . Accepted . "";
}
$rs = oj_mysql_query($sql);
$PassProblem = array();
while ($ProblemData = oj_mysql_fetch_array($rs)) {
if (!in_array($ProblemData['Problem'], $PassProblem)) {
array_push($PassProblem, $ProblemData['Problem']);
$PassProNum++;
}
}
$AllUserData[] = array(
"Name" => $row['name'],
"Tails" => $row['tails'],
"Text" => $row['signature'],
"q_PassNum" => $PassProNum,
"q_AllNum" => $AllNum['value'],
"Fight" => $row['fight'],
"RegisterTime" => $row['regtime']
);
}
//对用户按照战斗力进行排名
function my_sort($a, $b)
{
if ($a['Fight'] == $b['Fight']) {
return $a['RegisterTime'] < $b['RegisterTime'] ? -1 : 1;
}
return $a['Fight'] > $b['Fight'] ? -1 : 1;
}
usort($AllUserData, "my_sort");
/*
$arr1 = array_map(create_function('$n', 'return $n["Fight"];'), $AllUserData);
array_multisort($arr1, SORT_DESC, $AllUserData);
*/
?>
<body>
<?php require_once('Php/Page_Header.php') ?>
<div class="container">
<center>
<h2>排行榜</h2>
</center>
<center>
<ul class="pagination">
<li><a href=<?php echo '"Ranklist.php?Page=' . ($MinPage) . '"' ?>>«</a></li>
<li><a href=<?php echo '"Ranklist.php?Page=' . ($LastPage) . '"' ?>><</a></li>
<?php
for ($i = $StaButNum; $i <= $EndButNum; $i++) {
if ($i == $iPage)
echo '<li class="active"><a href="Ranklist.php?Page=' . $i . '">' . $i . '</a></li>';
else
echo '<li><a href="Ranklist.php?Page=' . $i . '">' . $i . '</a></li>';
}
?>
<li><a href=<?php echo '"Ranklist.php?Page=' . ($NextPage) . '"' ?>>></a></li>
<li><a href=<?php echo '"Ranklist.php?Page=' . ($MaxPage) . '"' ?>>»</a></li>
</ul>
</center>
<div class="panel panel-default animated fadeInDown">
<table class="table table-striped table-hover">
<thead>
<tr>
<th>排名</th>
<th>用户名</th>
<th>个性签名</th>
<th>通过题数</th>
<th>提交总次数</th>
<th>战斗力</th>
</tr>
</thead>
<tbody>
<?php
for ($i = 0; $i < MaxRankNum; $i++) {
if (!isset($AllUserData[$i]['Name'])) {
continue;
}
?>
<tr>
<td> <?php echo ($iPage - 1) * MaxRankNum + $i + 1 ?> </td>
<td>
<a href=<?php echo '"/OtherUser.php?User=' . $AllUserData["$i"]['Name'] . '"' ?> class=<?php echo GetUserColor($AllUserData[$i]['Fight']) ?>>
<?php echo $AllUserData[$i]['Name'] . ($AllUserData[$i]['Tails'] ? '(' . $AllUserData[$i]['Tails'] . ')' : '') ?> </a>
</td>
<td> <?php echo $AllUserData[$i]['Text'] ?> </td>
<td> <?php echo $AllUserData[$i]['q_PassNum'] ?> </td>
<td> <?php echo $AllUserData[$i]['q_AllNum'] ?> </td>
<td> <?php echo $AllUserData[$i]['Fight'] ?> </td>
</tr>
<?php } ?>
</tbody>
</table>
</div>
<center>
<ul class="pagination">
<li><a href=<?php echo '"Ranklist.php?Page=' . ($MinPage) . '"' ?>>«</a></li>
<li><a href=<?php echo '"Ranklist.php?Page=' . ($LastPage) . '"' ?>><</a></li>
<?php
for ($i = $StaButNum; $i <= $EndButNum; $i++) {
if ($i == $iPage)
echo '<li class="active"><a href="Ranklist.php?Page=' . $i . '">' . $i . '</a></li>';
else
echo '<li><a href="Ranklist.php?Page=' . $i . '">' . $i . '</a></li>';
}
?>
<li><a href=<?php echo '"Ranklist.php?Page=' . ($NextPage) . '"' ?>>></a></li>
<li><a href=<?php echo '"Ranklist.php?Page=' . ($MaxPage) . '"' ?>>»</a></li>
</ul>
</center>
</div>
<?php
$PageActive = '#ranklist';
require_once('Php/Page_Footer.php');
?>
</body>
</html>