最详细的ThinkPHP5自定义分页类教程

作为一名PHP程序员在编写列表性质的页面时，几乎都要写上一段分页的程序。分页的方法有很多种，本文我们就给大家详细介绍一下ThinkPHP5自定义分页类教程。

第一步：创建文件Page.php,将其放到extend\page,这里也可以自己决定，命名空间对了就行

<?phpnamespace page;// +----------------------------------------------------------------------// | 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]>// +---------------------------------------------------------------------- use think\Paginator; class Page extends Paginator{     //首页    protected function home() {        if ($this->currentPage() > 1) {            return "<a href='" . $this->url(1) . "' title='首页'>首页</a>";        } else {            return "<p>首页</p>";        }    }     //上一页    protected function prev() {        if ($this->currentPage() > 1) {            return "<a href='" . $this->url($this->currentPage - 1) . "' title='上一页'>上一页</a>";        } else {            return "<p>上一页</p>";        }    }     //下一页    protected function next() {        if ($this->hasMore) {            return "<a href='" . $this->url($this->currentPage + 1) . "' title='下一页'>下一页</a>";        } else {            return"<p>下一页</p>";        }    }     //尾页    protected function last() {        if ($this->hasMore) {            return "<a href='" . $this->url($this->lastPage) . "' title='尾页'>尾页</a>";        } else {            return "<p>尾页</p>";        }    }     //统计信息    protected function info(){        return "<p class='pageRemark'>共<b>" . $this->lastPage .            "</b>页<b>" . $this->total . "</b>条数据</p>";    }     /**     * 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<div class="pagination">%s %s %s</div>',                    $this->css(),                    $this->prev(),                    $this->getLinks(),                    $this->next()                );            } else {                return sprintf(                    '%s<div class="pagination">%s %s %s %s %s %s</div>',                    $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, $page)    {        return '<a href="' . htmlentities($url) . '" title="第"'. $page .'"页" >' . $page . '</a>';    }     /**     * 生成一个禁用的按钮     *     * @param  string $text     * @return string     */    protected function getDisabledTextWrapper($text)    {        return '<p class="pageEllipsis">' . $text . '</p>';    }     /**     * 生成一个激活的按钮     *     * @param  string $text     * @return string     */    protected function getActivePageWrapper($text)    {        return '<a href="" class="cur">' . $text . '</a>';    }     /**     * 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, $page);    }     /**     * 分页样式     */    protected function css(){        return '  <style type="text/css">            .pagination p{                margin:0;                cursor:pointer            }            .pagination{      <a>@本文9来源gao($daima.com搞@代@#码8网^</a><strong>搞代gaodaima码</strong>          height:40px;                padding:20px 0px;            }            .pagination a{                display:block;                float:left;                margin-right:10px;                padding:2px 12px;                height:24px;                border:1px #cccccc solid;                background:#fff;                text-decoration:none;                color:#808080;                font-size:12px;                line-height:24px;            }            .pagination a:hover{                color:#077ee3;                background: white;                border:1px #077ee3 solid;            }            .pagination a.cur{                border:none;                background:#077ee3;                color:#fff;            }            .pagination p{                float:left;                padding:2px 12px;                font-size:12px;                height:24px;                line-height:24px;                color:#bbb;                border:1px #ccc solid;                background:#fcfcfc;                margin-right:8px;             }            .pagination p.pageRemark{                border-style:none;                background:none;                margin-right:0px;                padding:4px 0px;                color:#666;            }            .pagination p.pageRemark b{                color:red;            }            .pagination p.pageEllipsis{                border-style:none;                background:none;                padding:4px 0px;                color:#808080;            }            .dates li {font-size: 14px;margin:20px 0}            .dates li span{float:right}        </style>';    }}

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