PHPページングナビゲーション関数
4728 ワード
この関数は昨年書いたもので、以前は独立ブログで発表されていました.
function show($config=array()){
//
if(!isset($config['total'])) return FALSE;
if(!isset($config['pagesize'])) $config['pagesize']=10;
if(!isset($config['page'])) $config['page']=1;
if(!isset($config['base'])) $config['base']='?&page=';
if(!isset($config['suffix'])) $config['suffix']='';
if(!isset($config['first_text'])) $config['first_text']=' ';
if(!isset($config['first_open'])) $config['first_open']='';
if(!isset($config['first_close'])) $config['first_close']='';
if(!isset($config['last_text'])) $config['last_text']=' ';
if(!isset($config['last_open'])) $config['last_open']='';
if(!isset($config['last_close'])) $config['last_close']='';
if(!isset($config['next_text'])) $config['next_text']=' ';
if(!isset($config['next_open'])) $config['next_open']='';
if(!isset($config['next_close'])) $config['next_close']='';
if(!isset($config['prev_text'])) $config['prev_text']=' ';
if(!isset($config['prev_open'])) $config['prev_open']='';
if(!isset($config['prev_close'])) $config['prev_close']='';
if(!isset($config['num_open'])) $config['num_open']='';
if(!isset($config['num_close'])) $config['num_close']='';
if(!isset($config['c_open'])) $config['c_open']='';
if(!isset($config['c_close'])) $config['c_close']='';
if(!isset($config['display_num'])) $config['display_num']=TRUE;
if(!isset($config['num_list'])) $config['num_list']=4;
//
$config['page']=ceil($config['page']);
$pages = ceil ( $config['total'] / $config['pagesize'] );
$offset= ($config['page']-1)*$config['pagesize'];
//
if(!is_numeric($config['page'])) $config['page']=1;
if($config['page']>$pages) return FALSE;
if($config['page']<1) return FALSE;
//
$tmp='';
//
if ($config['page']-1 < 1) {
$tmp .= $config['first_open'].$config['first_text'].$config['first_close'].' ';
$tmp .= $config['prev_open'].$config['prev_text'].$config['prev_close'].' ';
} else {
$tmp .= $config['first_open'].''.$config['first_text'].''.$config['first_close'].' ';
$tmp .= $config['prev_open'].''.$config['prev_text'].''.$config['prev_close'].' ';
}
//
if($config['display_num']){
$st=$config['page']-$config['num_list'];
$et=$config['page']+$config['num_list'];
if($st<1)$st=1;
if($et>$pages)$et=$pages;
for($i=$st;$i<=$et;$i++){
if($i==$config['page']){
$tmp.= $config['num_open'].$i.$config['num_close'].' ';
}
else
{
$tmp.= $config['c_open'].''.$i.''.$config['c_close'].' ';
}
}
}
//
if ($config['page'] >= $pages) {
$tmp .= $config['next_open'].$config['next_text'].$config['next_close'].' ';
$tmp .= $config['last_open'].$config['last_text'].$config['last_close'].' ';
} else {
$tmp .= $config['next_open'].''.$config['next_text'].''.$config['next_close'].' ';
$tmp .= $config['last_open'].''.$config['last_text'].''.$config['last_close'].' ';
}
return $tmp;
}