分页控件代码逻辑(JS版本&PHP版本)

JS版本:

    //total_page:总页数

    //boundary:页数临界值

    //front_range:前段显示页码数

    //mid_range:中段显示页码数

    //rear_range后段显示页码数

    //page_size:每页记录数

    var pagination_config = {total_page : 10,current_page:1, boundary : 7, front_range : 1, mid_range : 5,rear_range : 1,page_size:10};



    /**

     * 分頁格式處理,ex. prev 1 ... 8 9 10 11 12 ... 20 next

     * @return array 要顯示的頁碼

     */

    function pagintion_array()

    {

                var total_page = pagination_config.total_page,

                    boundary = pagination_config.boundary, 

                    front_range =  pagination_config.front_range, 

                    mid_range = pagination_config.mid_range,

                    rear_range = pagination_config.rear_range,

                    current_page = pagination_config.current_page;

        var pagintion = [];



        current_page = (current_page > total_page) ? total_page : current_page;



        // 總頁數小於頁數臨界值,則顯示所有頁碼

        if (total_page <= boundary) {

            for (i = 1; i <= total_page; i++) {

                pagintion.push(i);

            }

        } else {

            var front_end     = front_range; // 前段最後一個頁碼

            var mid_start     = current_page - Math.ceil(parseFloat(mid_range - 1) / 2); // 中段第一個頁碼

            var mid_end     = current_page + ((mid_range - 1) - Math.ceil((mid_range - 1) / 2)); // 中段最後一個頁碼

            var rear_start     = total_page - rear_range + 1; // 後段第一個頁碼

            // 中段第一個頁碼小於等於1,中斷頁碼往左位移

            while (mid_start <= 1) {

                if (mid_start < 1)

                    mid_end += 1;

                mid_start += 1;

            }



            // 中段第一個頁碼大於等於總頁數,中斷頁碼往右位移

            while (mid_end >= total_page) {

                if (mid_end > total_page)

                    mid_start -= 1;

                mid_end -= 1;

            }



            // 取出需要顯示的頁碼數

            for (var i = 1; i <= total_page; i++) {

                if (i <= front_end || (i >= mid_start && i <= mid_end) || i >= rear_start) {

                    if (i - pagintion[pagintion.length-1] > 1) {

                        pagintion.push('...');

                    }



                    pagintion.push(i);

                }

            }

        }



        return pagintion;

    }



    /**

     * 拼装分页的 html  ;

     * 样式 for jquery.simplepagination 

     * @return string

     */

    function create_html()

    {

                var current_page = pagination_config.current_page,

                    total_page = pagination_config.total_page;

                if(total_page<=1){

                    return;

                }

        var html = '<ul>';

        //计算总页数;

        //计算分页

        var pagintion = pagintion_array();



        //上一页

        //上一页 不可点击

        if (current_page <= 1) {

            html+='<li class="pg-prev pg-off"><a href=""><i></i>上一页</a></li>';

        } else {

            //上一页可点击

            var page_prev = current_page - 1;

            html+='<li class="pg-prev" data-page-index='+page_prev+'><a href="javascript:void(0)"><i></i>上一页</a></li>';

        }



        //每一页的 链接

                for(var i=0;i<pagintion.length;i++){

                    var page_id =  pagintion[i];

                    if (page_id == current_page) {

                            html+='<li class="pg-on pg-index"  data-page-index='+page_id+'><a href="javascript:void(0)" class="on">'+page_id+'</a></li>';

                    } else if (page_id == '...') {

                            html+='<li>...</li>';

                    } else {

                            html+='<li pg-index data-page-index='+page_id+'><a href="javascript:void(0)">'+page_id+'</a></li>';

                    }

                }



        //下一页

        //下一页 不可点击

        if (current_page >= total_page) {

            html+='<li class="pg-next pg-off"><a href="javascript:void(0)">下一页</a></li>';

        } else {

            //下一页 可点击

            var page_next = current_page + 1;

            html+='<li class="pg-next" data-page-index='+page_next+'><a href="javascript:void(0)">下一页</a></li>';

        }

                html+='<li class="pg-num-top">到第</li>';

                html+='<li class="pg-num"><input type="text" class="jump_index" ></li>';

                html+='<li class="pg-num-bot">页</li>';

                html+='<li class="pg-btn"><button class="btn_jump">确定</button></li>';

        html+='</ul>';

                $('.pagintion').children().remove();

        $('.pagintion').append(html);

                $(".pagintion").find('[data-page-index]').on("click",function(){

                    if($(this).data('page-index')!=pagination_config.current_page){

                        pagination_config.current_page = $(this).data('page-index');

                        //绑定列表
get_comment_list(); } }) } }

PHP版本:

<?php



/**

 * 分页类

 * @auth 

 * @date 2014-10-24

 */

class Pagination_lib

{



    /**

     * 参数设定 

     * @param int $current_page 當前頁數

     * @param int $total_page 總頁數

     * @param int $boundary 頁數臨界值

     * @param int $front_range 前段顯示頁碼數

     * @param int $mid_range 中段顯示頁碼數

     * @param int $rear_range 後段顯示頁碼數

     */

    public $current_page = 1;

    public $total_page     = 10;

    public $boundary     = 7;

    public $front_range     = 1;

    public $mid_range     = 5;

    public $rear_range     = 1;

    //每个页的链接 如: domain/list#page=

    public $page_url = '#page=';



    /**

     * 初始化设置 分页类 

     * @param type $config

     */

    function init($config = array())

    {

        if (count($config) > 0) {

            foreach ($config as $key => $val) {

                if (isset($this->$key)) {

                    $this->$key = $val;

                }

            }

        }

    }



    /**

     * 分頁格式處理,ex. prev 1 ... 8 9 10 11 12 ... 20 next

     *  copy from Store_lib.pagintion  , 从Store_lib中复制过来

     * @param int $current_page 當前頁數

     * @param int $total_page 總頁數

     * @param int $boundary 頁數臨界值

     * @param int $front_range 前段顯示頁碼數

     * @param int $mid_range 中段顯示頁碼數

     * @param int $rear_range 後段顯示頁碼數

     * @return array 要顯示的頁碼

     */

    public function pagintion_array($current_page = 1, $total_page = 10, $boundary = 7, $front_range = 1, $mid_range = 5,

                                 $rear_range = 1)

    {

        $pagintion = array();



        $current_page = ($current_page > $total_page) ? $total_page : $current_page;



        // 總頁數小於頁數臨界值,則顯示所有頁碼

        if ($total_page <= $boundary) {

            for ($i = 1; $i <= $total_page; $i++) {

                $pagintion[] = $i;

            }

        } else {

            $front_end     = $front_range; // 前段最後一個頁碼

            $mid_start     = $current_page - ceil(($mid_range - 1) / 2); // 中段第一個頁碼

            $mid_end     = $current_page + (($mid_range - 1) - ceil(($mid_range - 1) / 2)); // 中段最後一個頁碼

            $rear_start     = $total_page - $rear_range + 1; // 後段第一個頁碼

            // 中段第一個頁碼小於等於1,中斷頁碼往左位移

            while ($mid_start <= 1) {

                if ($mid_start < 1)

                    $mid_end += 1;

                $mid_start += 1;

            }



            // 中段第一個頁碼大於等於總頁數,中斷頁碼往右位移

            while ($mid_end >= $total_page) {

                if ($mid_end > $total_page)

                    $mid_start -= 1;

                $mid_end -= 1;

            }



            // 取出需要顯示的頁碼數

            for ($i = 1; $i <= $total_page; $i++) {

                if ($i <= $front_end || ($i >= $mid_start && $i <= $mid_end) || $i >= $rear_start) {

                    if ($i - (int) end($pagintion) > 1) {

                        $pagintion[] = '...';

                    }



                    $pagintion[] = $i;

                }

            }

        }



        return $pagintion;

    }



    /**

     * 拼装分页的 html  ;

     * 样式 for jquery.simplepagination 

     * @return string

     */

    function create_html()

    {

        $html = '<ul>';

        //计算总页数;

        //计算分页

        $pagintion = $this->pagintion_array($this->current_page, $this->total_page, $this->boundary, $this->front_range, $this->mid_range, $this->rear_range);



        //上一页

        //上一页 不可点击

        if ($this->current_page <= 1) {

            $html.='<li class="active"><span class="current prev" style="color: rgb(188, 188, 188); position: relative; width: 57px; background: rgb(255, 255, 255);"><span class="bg_prev" style="background-position: -78px -210px;"></span>上一页</span></li>';

        } else {

            //上一页可点击

            $page_prev = $this->current_page - 1;

            $html.='<li><a href="' . $this->page_url . $page_prev . '" class="page-link prev" url="' . $this->page_url . $page_prev . '" page="' . $page_prev . '" style="color: rgb(102, 102, 102); position: relative; background: rgb(255, 255, 255);"><span class="bg_prev" style="background-position: -99px -210px;"></span>上一页</a></li>';

        }



        //每一页的 链接

        foreach ($pagintion as $page_id) {

            if ($page_id == $this->current_page) {

                $html.='<li class="active"><span class="current">' . $page_id . '</span></li>';

            } elseif ($page_id == '...') {

                $html.='<li class="disabled"><span class="ellipse">…</span></li>';

            } else {

                $html.='<li><a href="' . $this->page_url . $page_id . '" class="page-link" page="' . $page_id . '">' . $page_id . '</a></li>';

            }

        }



        //下一页

        //下一页 不可点击

        if ($this->current_page >= $this->total_page) {

            $html.='<li class="active"><span class="current next" style="color: rgb(188, 188, 188); position: relative; background: rgb(255, 255, 255);"><span class="bg_next" style="background-position: -84px -210px;"></span>下一页</span></li>';

        } else {

            //下一页 可点击

            $page_next = $this->current_page + 1;

            $html.='<li><a href="' . $this->page_url . $page_next . '" class="page-link next" url="' . $this->page_url . $page_next . '" page="' . $page_next . '" style="color: rgb(102, 102, 102); position: relative; width: 57px; background: rgb(255, 255, 255);"><span class="bg_next" style="background-position: -104px -210px;"></span>下一页</a></li>';

        }

        $html.='</ul>';

        return $html;

    }



}

 预览效果:

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