Bootstrap.php

<?php

/**
 *  分页类（PC/mobile自动切换样式）
 * ============================================================================
 * 版权所有 (C) 2016-2018 西安尊云信息科技有限公司，并保留所有权利。
 * 网站地址:   http://www.zunyunkeji.com
 * ----------------------------------------------------------------------------
 * 许可声明：这是一个开源程序，未经许可不得将本软件的整体或任何部分用于商业用途及再发布。
 * ============================================================================
 * Author: 缘境 (yvsm@zunyunkeji.com) QQ:2829706235 
*/

namespace wanyi\thinkExtendPaginator;
use think\Paginator;

// define('TERMINAL', 'mobile');


class Bootstrap extends Paginator
{
 
    /**
     * 上一页按钮
     * @param string $text
     * @return string
     */
    protected function getPreviousButton($text = "上一页")
    {
 
        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()
    {
 
        $totalhtml="<li class=\"disabled\"><span>共".$this->total."条记录&nbsp&nbsp第".$this->currentPage()."页/共".$this->lastPage()."页</span></li>";
        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, $text);
    }
  //后五页
    protected  function afivepage($text = '后五页')
    {
 
 
        if($this->lastPage()<$this->currentPage()+5)
        {
            return $this->getDisabledTextWrapper($text);
 
        }
        $url = $this->url($this->currentPage()+5);
 
 
        return $this->getPageLinkWrapper($url, $text);
    }
 
    //前五页
    protected  function bfivepage($text = '前五页')
    {
 
 
        if($this->currentPage()<5)
        {
            return $this->getDisabledTextWrapper($text);
 
        }
        $url = $this->url($this->currentPage()-5);
 
 
        return $this->getPageLinkWrapper($url, $text);
    }
 
 
    /**
     * 下一页按钮
     * @param string $text
     * @return string
     */
    protected function getNextButton($text = '下一页')
    {
        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()
    {
        return $gotohtml="<li><form action='' method='get' ><span><input type='text' name='page'> <input type='submit' value='确定'> </span></form></li>";
       // return $totalhtml;;
 
    }
 
    /**
     * 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(
                    '<ul class="pager">%s %s</ul>',
 
                    $this->getPreviousButton(),
                    $this->getNextButton()
                );
            } else {
				defined('TERMINAL') or define('TERMINAL','web');
				if(TERMINAL=='mobile'){
					return sprintf(
						'<ul class="pagination"> %s %s %s %s %s %s </ul>',
						//显示数量页码信息
						$this->totalshow(),
					   //第一页
						$this->showfirstpage(),
					   //上一页
						$this->getPreviousButton(),
						//当前
						$this->getActivePageWrapper($this->currentPage()),
						//下一页
						$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()
	 
					);
				}
					return sprintf(
						'<ul class="pagination"> %s %s %s %s %s %s %s %s </ul>',
						//显示数量页码信息
						$this->totalshow(),
					   //第一页
						$this->showfirstpage(),
					   //上一页
						$this->getPreviousButton(),
					   //前五页
						$this->bfivepage(),
					   //页码
						$this->getLinks(),
					   //后五页
						$this->afivepage(),
						//下一页
						$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, $page)
    {
        return '<li><a href="' . htmlentities($url) . '">' . $page . '</a></li>';
    }
 
    /**
     * 生成一个禁用的按钮
     *
     * @param  string $text
     * @return string
     */
    protected function getDisabledTextWrapper($text)
    {
        return '<li class="disabled"><span>' . $text . '</span></li>';
    }
 
    /**
     * 生成一个激活的按钮
     *
     * @param  string $text
     * @return string
     */
    protected function getActivePageWrapper($text)
    {
        return '<li class="active"><span>' . $text . '</span></li>';
    }
 
    /**
     * 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);
    }
}