';
$max_pages = ceil($total_items / $items_per_page );
//上一页
if($current_page>1){
$page=$current_page-1;
if($page == 1){
$pages_str.='«';
}else{
$pages_str.='«';
}
}
//第一页
if($current_page>1){
$page_str='1';
$pages_str.=$page_str;
}else{
$pages_str.='1';
}
//显示当前两页的前两页到后两页
if($max_pages-$current_page<3){
$prev_2_page=$max_pages-5;
}else{
$prev_2_page=$current_page-2;
}
if($prev_2_page<2){
$prev_2_page=2;
}
$next_2_page=$prev_2_page+5;
if($next_2_page>$max_pages) $next_2_page=$max_pages;
for($i=$prev_2_page; $i<=$next_2_page; $i++){
if($i==$current_page){
$pages_str.=''.$i.'';
}else{
$pages_str.=''.$i.'';
}
}
//下一页
if($current_page<$max_pages){
$page=$current_page+1;
$pages_str.='»';
}
$pages_str.'';
return $pages_str;
}
//手机版的分页
public static function pager_mobile($total_items, $items_per_page=20,$current_page=1, $url){
if ($total_items <= $items_per_page) {
return '';
}
if($items_per_page==0){
return '';
}
$pages_str='';
return $pages_str;
}
//判断终端类型
//返回设备类型
public static function checkmobile() {
$mobile = array();
static $touchbrowser_list =array('iphone', 'android', 'phone', 'mobile', 'wap', 'netfront', 'java', 'opera mobi', 'opera mini',
'ucweb', 'windows ce', 'symbian', 'series', 'webos', 'sony', 'blackberry', 'dopod', 'nokia', 'samsung',
'palmsource', 'xda', 'pieplus', 'meizu', 'midp', 'cldc', 'motorola', 'foma', 'docomo', 'up.browser',
'up.link', 'blazer', 'helio', 'hosin', 'huawei', 'novarra', 'coolpad', 'webos', 'techfaith', 'palmsource',
'alcatel', 'amoi', 'ktouch', 'nexian', 'ericsson', 'philips', 'sagem', 'wellcom', 'bunjalloo', 'maui', 'smartphone',
'iemobile', 'spice', 'bird', 'zte-', 'longcos', 'pantech', 'gionee', 'portalmmm', 'jig browser', 'hiptop',
'benq', 'haier', '^lct', '320x320', '240x320', '176x220', 'windows phone');
static $wmlbrowser_list = array('cect', 'compal', 'ctl', 'lg', 'nec', 'tcl', 'alcatel', 'ericsson', 'bird', 'daxian', 'dbtel', 'eastcom',
'pantech', 'dopod', 'philips', 'haier', 'konka', 'kejian', 'lenovo', 'benq', 'mot', 'soutec', 'nokia', 'sagem', 'sgh',
'sed', 'capitel', 'panasonic', 'sonyericsson', 'sharp', 'amoi', 'panda', 'zte');
static $pad_list = array('ipad');
if(isset($_SERVER['HTTP_USER_AGENT'])){
$useragent = strtolower($_SERVER['HTTP_USER_AGENT']);
}else{
$useragent = '';
}
if(CommonFn::dstrpos($useragent, array('windows'))) {
return 'pc';
}
if(CommonFn::dstrpos($useragent, $pad_list)) {
return 'pad';
}
if(($v = CommonFn::dstrpos($useragent, $touchbrowser_list, true))){
if(strpos($useragent, 'iphone') || strpos($useragent, 'ipod')){
return 'ios';
}else{
return 'android';
}
}
if(($v = CommonFn::dstrpos($useragent, $wmlbrowser_list))) {
return 'android';
}
return 'pc';
}
public static function header_redirect($url, $code=301){
header('Location: '.$url, true, $code);
return false;
}
}