/**
* 初始化Http请求参数...
*/
protected static function _initRequestParam()
{
//定义详细请求路径及参数
define('REQUEST_URI', Request::getFullPath());
//定义客户端IP
define('CLINET_IP', Request::getClientIP());
//服务器名称
define('SERVER_NAME', Request::getServerName());
//前一跳转地址
define('HTTP_REFERER', Request::getRefererUrl());
}
/**
* 获取分页导航 ...
* @param number $total 记录总数
* @param number $page 当前页
* @param number $pagesize 页容量
* @return string
*/
public static function getPageNav($total, $page, $pagesize = 20)
{
$url = Request::getFullPath();
$url = preg_replace("/([&]*page=[0-9]*)/i", "", $url);
$s = strpos($url, '?') === FALSE ? '?' : '&';
$pages = ceil($total / $pagesize);
$page = min($pages, $page);
$prepg = $page - 1;
$nextpg = $page == $pages ? 0 : $page + 1;
if ($total < 1) {
return FALSE;
}
$pagenav = "总数<b>{$total}</b> ";
$pagenav .= $prepg ? "<a href='{$url}{$s}page=1'>第一页</a> <a href='{$url}{$s}page={$prepg}'>上一页</a> " : "第一页 上一页 ";
$pagenav .= $nextpg ? "<a href='{$url}{$s}page={$nextpg}'>下一页</a> <a href='{$url}{$s}page={$pages}'>尾页</a> " : "下一页 尾页 ";
$pagenav .= "页码: <b><font color=red>{$page}</font>/{$pages}</b> <input type='text' name='page' id='page' size='2' onKeyDown=\"if(event.keyCode==13) {window.location='{$url}{$s}page='+this.value; return false;}\"> <input type='button' value='GO' onclick=\"window.location='{$url}{$s}page='+document.getElementById('page').value\">";
return $pagenav;
}
public static function getRefererUrl()
{
return isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : Request::getFullPath();
}
/**
* 获取分页导航 ...
* @param number $total 记录总数
* @param number $page 当前页
* @param number $pagesize 页容量
* @return string
*/
function getPageNav($total, $page, $pagesize = 20)
{
$url = Request::getFullPath();
$url = preg_replace("/([-]*page-[0-9]*)/i", "", $url);
$postfix = '';
$strpos = strpos($url, '?');
if ($strpos !== false) {
$postfix = substr($url, $strpos);
$url = substr($url, 0, $strpos);
}
if (substr($url, -1, 1) == '/') {
$s = '';
} else {
$s = '/';
}
$s = strpos($url, '-') === FALSE ? $s : '-';
$pages = ceil($total / $pagesize);
$page = min($pages, $page);
$prepg = $page - 1;
$nextpg = $page == $pages ? 0 : $page + 1;
if ($total < 1) {
return FALSE;
}
$pagenav = '<li class="disabled"><a>总数：' . $total . ' 页码：' . $page . '/' . $pages . '</a></li>';
$pagenav .= $prepg ? "<li><a href='{$url}{$s}page-1{$postfix}'>首页</a></li>" : '<li><a href="">首页</a></li>';
for ($i = -2; $i <= 2; $i++) {
$pageTmp = $page + $i;
if ($pageTmp < 1 || $pageTmp > $pages) {
continue;
}
if ($i != 0) {
$pagenav .= "<li><a href='{$url}{$s}page-{$pageTmp}{$postfix}'>{$pageTmp}</a></li>";
} else {
if ($i == 0) {
$pagenav .= "<li class='active'><a href='{$url}{$s}page-{$pageTmp}{$postfix}'>{$pageTmp}</a></li>";
}
}
}
$pagenav .= $nextpg ? "<li><a href='{$url}{$s}page-{$pages}{$postfix}'>尾页</a></li>" : '<li><a href="">尾页</a></li>';
return $pagenav;
}
