pg.cls.php

<?php

/*
 * This file is part of the phpems/phpems.
 *
 * (c) oiuv <i@oiuv.cn>
 *
 * 项目维护：oiuv(QQ:7300637) | 定制服务：火眼(QQ:278768688)
 *
 * This source file is subject to the MIT license that is bundled.
 */

class pg
{
    public $G;
    public $pre = '<li>';
    public $end = '</li>';
    public $number;

    public function __construct(&$G)
    {
        $this->G = $G;
        $this->ev = $this->G->make('ev');
    }

    public function setUrlTarget($target)
    {
        $this->target = $target;
    }

    public function setBlock($pre, $end)
    {
        $this->pre = $pre;
        $this->end = $end;
    }

    //获取总页数
    public function getPagesNumber($number, $sepnumber = PN)
    {
        if (!$sepnumber) {
            $sepnumber = PN;
        }
        $this->number = $number;
        if ($number % $sepnumber) {
            return intval($number / $sepnumber) + 1;
        }

        return intval($number / $sepnumber);
    }

    public function outPhonePage($pages, $cpage, $url = false, $separate = '&page=')
    {
        if ($pages < 2) {
            return false;
        }
        if (!$url) {
            $url = 'index.php?'.$_SERVER['QUERY_STRING'];
            $url = str_replace('&page='.$cpage, '', $url);
            if (is_array($this->ev->post('search'))) {
                foreach ($this->ev->post('search') as $key => $p) {
                    if (strlen($p) < 1024) {
                        $url .= '&search['.$key.']='.$p;
                    }
                }
            }
        }
        /**
         * if($cpage > 1)
         * {
         * $pageString = $this->pre.'<a class="ajax" href="'.$url.$separate.'1">'.'第一页'.'</a>'.$this->end;
         * $pageString .= $this->pre.'<a class="ajax" href="'.$url.$separate.intval($cpage - 1).'">'.'上一页'.'</a>'.$this->end;
         * }
         * else
         * $pageString = $this->pre.'<a class="current">'.'第一页'.'</a>'.$this->end;
         * $pageString .= $this->pre.'<a>共'.$this->number.'条数据</a>'.$this->end;
         * if($cpage < $pages)
         * {
         * $pageString .= $this->pre.'<a class="ajax" href="'.$url.$separate.intval($cpage + 1).'">'.'下一页'.'</a>'.$this->end;
         * $pageString .= $this->pre.'<a class="ajax" href="'.$url.$separate.$pages.'">'.'末页'.'</a>'.$this->end;
         * }
         * else
         * $pageString .= $this->pre.'<a>'.'末页'.'</a>'.$this->end;.
         * **/
        if ($cpage > 1) {
            $pageString = '<li class="col-2 text-center"><a class="ajax" data-target="pagination" data-direction="left" href="'.$url.$separate.intval($cpage - 1).'"><em class="iconfont icon-left-circle"></em></a></li>';
        } else {
            $pageString = '<li class="col-2 text-center"><em class="iconfont icon-left-circle"></em></li>';
        }
        $pageString .= '<li class="col-6 text-center">'.$cpage.'/'.$pages.'</a></li>';
        if ($cpage < $pages) {
            $pageString .= '<li class="col-2 text-center"><a class="ajax" data-target="pagination" href="'.$url.$separate.intval($cpage + 1).'"><em class="iconfont icon-right-circle"></em></a></li>';
        } else {
            $pageString .= '<li class="col-2 text-center"><em class="iconfont icon-right-circle"></em></li>';
        }

        return $pageString;
    }

    //生成分页HTML
    public function outPage($pages, $cpage, $url = false, $separate = '&page=')
    {
        if ($this->ev->isMobile()) {
            return $this->outPhonePage($pages, $cpage, $url, $separate);
        }
        if (!$url) {
            $url = 'index.php?'.$_SERVER['QUERY_STRING'];
            $url = str_replace('&page='.$cpage, '', $url);
            if (is_array($this->ev->post('search'))) {
                foreach ($this->ev->post('search') as $key => $p) {
                    if (strlen($p) < 1024) {
                        $url .= '&search['.$key.']='.$p;
                    }
                }
            }
        }
        $pageString = '';
        if ($pages < 2) {
            return false;
        } elseif ($pages <= 10) {
            for ($p = 1; $p <= $pages; $p++) {
                if ($p == $cpage) {
                    $t = $this->pre.'<a href="#" class="current">'.$p.'</a>'.$this->end;
                } else {
                    $t = $this->pre.'<a target="'.$this->target.'" href="'.$url.$separate.$p.'">'.$p.'</a>'.$this->end;
                }
                $pageString .= $t;
            }
            $pageString .= $this->pre.'<a>共'.$this->number.'条数据</a>'.$this->end;

            return $pageString;
        }

        $pageString = $this->pre.'<a target="'.$this->target.'" href="'.$url.$separate.'1">|&lsaquo;</a>'.$this->end;
        if ($cpage <= 5) {
            $start = 1;
            $end = 10;
            $endString = $this->pre.'<a target="'.$this->target.'" href="'.$url.$separate.'11"> >> </a>'.$this->end;
        } else {
            $start = $cpage - 5;
            if ($start > 1) {
                $startString = $this->pre.'<a target="'.$this->target.'" href="'.$url.$separate.intval($start - 1).'"> << </a>'.$this->end;
            }
            if ($pages - $cpage >= 5) {
                $end = $cpage + 4;
                $endString = $this->pre.'<a target="'.$this->target.'" href="'.$url.$separate.intval($end + 1).'"> >> </a>'.$this->end;
            } else {
                $start = $pages - 9;
                $end = $pages;
            }
        }
        if (isset($startString)) {
            $pageString .= $startString;
        }
        for ($start; $start <= $end; $start++) {
            if ($start == $cpage) {
                $t = $this->pre.'<a href="#" class="current">'.$start.'</a>'.$this->end;
            } else {
                $t = $this->pre.'<a target="'.$this->target.'" href="'.$url.$separate.$start.'">'.$start.'</a>'.$this->end;
            }
            $pageString .= $t;
        }
        if (isset($endString)) {
            $pageString .= $endString;
        }
        $pageString .= $this->pre.'<a target="'.$this->target.'" href="'.$url.$separate.$pages.'">&rsaquo;|</a>'.$this->end;
        $pageString .= $this->pre.'<a>共'.$this->number.'条数据</a>'.$this->end;

        return $pageString;
    }
}