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/**
- Creates a page button.
- You may override this method to customize the page buttons.
- @param string $label the text label for the button
- @param integer $page the page number
- @param string $class the CSS class for the page button.
- @param boolean $hidden whether this page button is visible
- @param boolean $selected whether this page button is selected
- @return string the generated button
*/
protected function createPageButton($label,$class,$hidden,$selected)
{
if($hidden || $selected)
$class.=' '.($hidden ? $this->hiddenPageCssClass : $this->selectedPageCssClass);
if ($selected) {
$result = "" . ++$page . "";
} else {
$result = CHtml::link($label,$this->createPageUrl($page));
}
return $result;
}
/**
-
@return array the begin and end pages that need to be displayed.
/
protected function getPageRange()
{
$currentPage=$this->getCurrentPage();
$pageCount=$this->getPageCount();
/$beginPage=max(0,$currentPage-(int)($this->maxButtonCount/2));
if(($endPage=$beginPage+$this->maxButtonCount-1)>=$pageCount)
{
$endPage=$pageCount-1;
$beginPage=max(0,$endPage-$this->maxButtonCount+1);
}*/
if($pageCount > $this->maxButtonCount){
if($currentPage > 4 && $currentPage < ($pageCount - 4)){
// print_r('a');
$beginPage = $currentPage - 2;
$endPage = $currentPage + 2;
$ellipsis = 'both';
}else{
$beginPage=max(1,$currentPage-(int)($this->maxButtonCount/2));
if($beginPage == 1){
$ellipsis = 'right';
}else{
$ellipsis = 'left';
}
if(($endPage=$beginPage+$this->maxButtonCount-1)>=$pageCount)
{
// print_r('b');
$endPage=$pageCount-2;
$beginPage=max(1,$endPage-$this->maxButtonCount+1);
}elseif(($endPage=$beginPage+$this->maxButtonCount-1)>=$pageCount-2){
// print_r('c');
$endPage=$pageCount-2;
}
}
}else{
$beginPage=max(1,$currentPage-(int)($this->maxButtonCount/2));
if(($endPage=$beginPage+$this->maxButtonCount-1)>=$pageCount)
{
$endPage=$pageCount-2;
$beginPage=max(1,$endPage-$this->maxButtonCount+1);
}
}
return array($beginPage,$ellipsis);
}
/**
- Registers the needed client scripts (mainly CSS file).
*/
public function registerClientScript()
{
if($this->cssFile!==false)
self::registerCssFile($this->cssFile);
}
/**
- Registers the needed CSS file.
- @param string $url the CSS URL. If null,a default CSS URL will be used.
*/
public static function registerCssFile($url=null)
{
if($url===null)
$url=CHtml::asset(Yii::getPathOfAlias('system.web.widgets.pagers.pager').'.css');
Yii::app()->getClientScript()->registerCssFile($url);
}
}
3、调用方式
（编辑：源码网）
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