2019独角兽企业重金招聘Python工程师标准>>> 
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2017 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: zhangyajun <[email protected]>
// +----------------------------------------------------------------------
namespace think\paginator\driver;
use think\Paginator;
class Bootstrap extends Paginator
{
//首页
protected function home() {
if ($this->currentPage() > 1) {
return "首页";
} else {
return "
首页
";}
}
//上一页
protected function prev() {
if ($this->currentPage() > 1) {
return "上一页";
} else {
return "
上一页
";}
}
//下一页
protected function next() {
if ($this->hasMore) {
return "下一页";
} else {
return"
下一页
";}
}
//尾页
protected function last() {
if ($this->hasMore) {
return "尾页";
} else {
return "
尾页
";}
}
//统计信息
protected function info(){
return "
共" . $this->lastPage .
"页" . $this->total . "条数据
}
/**
* 页码按钮
* @return string
*/
protected function getLinks()
{
$block = [
'first' => null,
'slider' => null,
'last' => null
];
$side = 3;
$window = $side * 2;
if ($this->lastPage < $window + 6) {
$block['first'] = $this->getUrlRange(1, $this->lastPage);
} elseif ($this->currentPage <= $window) {
$block['first'] = $this->getUrlRange(1, $window + 2);
$block['last'] = $this->getUrlRange($this->lastPage - 1, $this->lastPage);
} elseif ($this->currentPage > ($this->lastPage - $window)) {
$block['first'] = $this->getUrlRange(1, 2);
$block['last'] = $this->getUrlRange($this->lastPage - ($window + 2), $this->lastPage);
} else {
$block['first'] = $this->getUrlRange(1, 2);
$block['slider'] = $this->getUrlRange($this->currentPage - $side, $this->currentPage + $side);
$block['last'] = $this->getUrlRange($this->lastPage - 1, $this->lastPage);
}
$html = '';
if (is_array($block['first'])) {
$html .= $this->getUrlLinks($block['first']);
}
if (is_array($block['slider'])) {
$html .= $this->getDots();
$html .= $this->getUrlLinks($block['slider']);
}
if (is_array($block['last'])) {
$html .= $this->getDots();
$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(
'%s
$this->css(),
$this->prev(),
$this->getLinks(),
$this->next()
);
} else {
return sprintf(
'%s
$this->css(),
$this->home(),
$this->prev(),
$this->getLinks(),
$this->next(),
$this->last(),
$this->info()
);
}
}
}
/**
* 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()
{
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);
}
/**
* 分页样式
*/
protected function css(){
return ' ';
}
}