// +----------------------------------------------------------------------
namespace app\common\paginator;
use think\Paginator;
class Bootstrap extends Paginator
{
/**
* <按钮
* @param string $text
* @return string
*/
protected function getPreviousButton($text = "«")
{
if ($this->currentPage() <= 1) {
return $this->getDisabledTextWrapper($text);
}
$url = $this->url(
$this->currentPage() - 1
);
return $this->getPageLinkWrapper($url, $text);
}
//总数标签
protected function totalshow()
{
$totalhtml="共".$this->total."条记录 第".$this->currentPage()."页/共".$this->lastPage()."页";
return $totalhtml;
}
//尾页标签
protected function showlastpage($text = '尾页')
{
if($this->currentPage()==$this->lastPage())
{
return $this->getDisabledTextWrapper($text);
}
$url = $this->url($this->lastPage());
return $this->getPageLinkWrapper($url, $text);
}
//首页标签
protected function showfirstpage($text = '首页')
{
if($this->currentPage()==1)
{
return $this->getDisabledTextWrapper($text);
}
$url = $this->url(1);
return $this->getPageLinkWrapper($url, $text);
}
/**
* >按钮
* @param string $text
* @return string
*/
protected function getNextButton($text = '»')
{
if (!$this->hasMore) {
return $this->getDisabledTextWrapper($text);
}
$url = $this->url($this->currentPage() + 1);
return $this->getPageLinkWrapper($url, $text);
}
//跳转到哪页
protected function gopage()
{
$url = $_SERVER['REQUEST_URI'];
return $gotohtml="到 页
";
}
/**
* 页码按钮
* @return string
*/
protected function getLinks()
{
if ($this->simple)
return '';
$block = [
'first' => null,
'slider' => null,
'last' => null
];
$side = 2;
$window = $side * 2;
if ($this->lastPage < $window +1) {
$block['slider'] = $this->getUrlRange(1, $this->lastPage);
} elseif ($this->currentPage <= $window-1) {
$block['slider'] = $this->getUrlRange(1, $window + 1);
} elseif ($this->currentPage > ($this->lastPage - $window+1)) {
$block['slider'] = $this->getUrlRange($this->lastPage - ($window), $this->lastPage);
} else {
$block['slider'] = $this->getUrlRange($this->currentPage - $side, $this->currentPage + $side);
}
$html = '';
if (is_array($block['first'])) {
$html .= $this->getUrlLinks($block['first']);
}
if (is_array($block['slider'])) {
$html .= $this->getUrlLinks($block['slider']);
}
if (is_array($block['last'])) {
$html .= $this->getUrlLinks($block['last']);
}
return $html;
}
/**
* 渲染分页html
* @return mixed
*/
public function render()
{
if ($this->hasPages()) {
if ($this->simple) {
return sprintf(
'',
$this->getPreviousButton(),
$this->getNextButton()
);
} else {
return sprintf(
'',
//显示数量页码信息
$this->totalshow(),
//第一页
$this->showfirstpage(),
//<
$this->getPreviousButton(),
//页码
$this->getLinks(),
//>
$this->getNextButton(),
//最后一页
$this->showlastpage(),
//最后再加个参数 %s 可以显示跳转到哪页
$this->gopage()
);
}
}
}
/**
* 生成一个可点击的按钮
*
* @param string $url
* @param int $page
* @return string
*/
protected function getAvailablePageWrapper($url, $page)
{
return '' . $page . '';
}
/**
* 生成一个禁用的按钮
*
* @param string $text
* @return string
*/
protected function getDisabledTextWrapper($text)
{
return '' . $text . '';
}
/**
* 生成一个激活的按钮
*
* @param string $text
* @return string
*/
protected function getActivePageWrapper($text)
{
return '' . $text . '';
}
/**
* 生成省略号按钮
*
* @return string
*/
protected function getDots($text = '...')
{
//$url = $this->url($this->currentPage() + 1);
// return $this->getPageLinkWrapper($url, $text);
return $this->getDisabledTextWrapper('...');
}
/**
* 批量生成页码按钮.
*
* @param array $urls
* @return string
*/
protected function getUrlLinks(array $urls)
{
$html = '';
foreach ($urls as $page => $url) {
$html .= $this->getPageLinkWrapper($url, $page);
}
return $html;
}
/**
* 生成普通页码按钮
*
* @param string $url
* @param int $page
* @return string
*/
protected function getPageLinkWrapper($url, $page)
{
if ($page == $this->currentPage()) {
return $this->getActivePageWrapper($page);
}
return $this->getAvailablePageWrapper($url, $page);
}
}