PHP分页类

来源:互联网 发布:投资分红网站源码 编辑:程序博客网 时间:2024/05/13 10:59

php分页类一直都是在项目中必须用到的。下面有一个比较好的PHP分页类供大家使用。

<?php/* =============================================================================#     FileName: page.php#         Desc: php分页类#       Author: net#      Version: 0.0.1#   LastChange: 2015-02-14 17:34:46#      History:============================================================================= */class Lib_Page{    //起始行数    public     $first_row;            //每页行数    public     $list_rows;            //总页数    protected  $total_pages;          //总行数    protected  $total_rows;           //当前页    protected  $now_page;             //处理情况 Ajax分页 Html分页(静态化时) 普通get方式     protected  $method  = 'defalut';     //参数    protected  $parameter = '';    //分页用的参数名    protected  $page_name;            //ajax翻页调用函数    protected  $ajax_func_name;    //分页偏移量    public     $plus = 3;    //页面的URL    protected  $url;              public function __construct($data = array())    {        $this->total_rows     = $data['total_rows'];        $this->parameter      = !empty($data['parameter']) ? $data['parameter'] : '';        $this->list_rows      = !empty($data['list_rows']) && $data['list_rows'] <= 100 ? $data['list_rows'] : 15;        $this->total_pages    = ceil($this->total_rows / $this->list_rows);        $this->page_name      = !empty($data['page_name']) ? $data['page_name'] : 'p';        $this->ajax_func_name = !empty($data['ajax_func_name']) ? $data['ajax_func_name'] : '';        $this->method         = !empty($data['method']) ? $data['method'] : '';                 if(!empty($data['now_page'])) {            $this->now_page = intval($data['now_page']);        } else {            $this->now_page = isset($_GET[$this->page_name]) ? intval($_GET[$this->page_name]) : 1;        }        $this->now_page   = $this->now_page <= 0 ? 1 : $this->now_page;                 if(!empty($this->total_pages) && $this->now_page > $this->total_pages) {            $this->now_page = $this->total_pages;        }        $this->first_row = $this->list_rows * ($this->now_page - 1);    }            /**     * 得到当前连接     * @param $page     * @param $text     * @return string     */    protected function _get_link($page,$text)    {        switch ($this->method) {            case 'ajax':                $parameter = '';                if($this->parameter) {                    $parameter = ','.$this->parameter;                }                return '<a onclick="' . $this->ajax_func_name . '(\'' . $page . '\''.$parameter.')" href="javascript:void(0)">' . $text . '</a>' . "\n";            break;                         case 'html':                $url = str_replace('?', $page,$this->parameter);                return '<a href="' .$url . '">' . $text . '</a>' . "\n";            break;            default:                return '<a href="' . $this->_get_url($page) . '">' . $text . '</a>' . "\n";            break;        }    }              /**     * 设置当前页面链接     */    protected function _set_url()    {        $url  =  $_SERVER['REQUEST_URI'].(strpos($_SERVER['REQUEST_URI'],'?')?'':"?").$this->parameter;        $parse = parse_url($url);        if(isset($parse['query'])) {            parse_str($parse['query'],$params);            unset($params[$this->page_name]);            $url   =  $parse['path'].'?'.http_build_query($params);        }        if(!empty($params)) {            $url .= '&';        }        $this->url = $url;    }         /**     * 得到$page的url     * @param $page 页面     * @return string     */    protected function _get_url($page)    {        if($this->url === NULL)        {            $this->_set_url();           }    //  $lable = strpos('&', $this->url) === FALSE ? '' : '&';        return $this->url . $this->page_name . '=' . $page;    }              /**     * 得到第一页     * @return string     */    public function first_page($name = '第一页')    {        if($this->now_page > 5)        {            return $this->_get_link('1', $name);        }           return '';    }         /**     * 最后一页     * @param $name     * @return string     */    public function last_page($name = '最后一页')    {        if($this->now_page < $this->total_pages - 5)        {            return $this->_get_link($this->total_pages, $name);        }           return '';    }           /**     * 上一页     * @return string     */    public function up_page($name = '上一页')    {        if($this->now_page != 1)        {            return $this->_get_link($this->now_page - 1, $name);        }        return '';    }         /**     * 下一页     * @return string     */    public function down_page($name = '下一页')    {        if($this->now_page < $this->total_pages)        {            return $this->_get_link($this->now_page + 1, $name);        }        return '';    }     /**     * 分页样式输出     * @param $param     * @return string     */    public function show($param = 1)    {        if($this->total_rows < 1)        {            return '';        }                 $className = 'show_' . $param;                 $classNames = get_class_methods($this);         if(in_array($className, $classNames))        {            return $this->$className();        }        return '';    }         protected function show_2()    {        if($this->total_pages != 1)        {            $return = '';            $return .= $this->up_page('<');            for($i = 1;$i<=$this->total_pages;$i++)            {                if($i == $this->now_page)                {                    $return .= "<a class='now_page'>$i</a>\n";                }                else                {                    if($this->now_page-$i>=4 && $i != 1)                    {                        $return .="<span class='pageMore'>...</span>\n";                        $i = $this->now_page-3;                    }                    else                    {                        if($i >= $this->now_page+5 && $i != $this->total_pages)                        {                            $return .="<span>...</span>\n";                             $i = $this->total_pages;                        }                        $return .= $this->_get_link($i, $i) . "\n";                    }                }            }            $return .= $this->down_page('>');            return $return;        }    }         protected function show_1()    {        $plus = $this->plus;        if( $plus + $this->now_page > $this->total_pages)        {            $begin = $this->total_pages - $plus * 2;        }else{            $begin = $this->now_page - $plus;        }                 $begin = ($begin >= 1) ? $begin : 1;        $return = '';        $return .= $this->first_page();        $return .= $this->up_page();        for ($i = $begin; $i <= $begin + $plus * 2;$i++)        {            if($i>$this->total_pages)            {                break;            }            if($i == $this->now_page)            {                $return .= "<a class='now_page'>$i</a>\n";            }            else            {                $return .= $this->_get_link($i, $i) . "\n";            }        }        $return .= $this->down_page();        $return .= $this->last_page();        return $return;    }         protected function show_3()    {        $plus = $this->plus;        if( $plus + $this->now_page > $this->total_pages)        {            $begin = $this->total_pages - $plus * 2;        }else{            $begin = $this->now_page - $plus;        }               $begin = ($begin >= 1) ? $begin : 1;        $return = '总计 ' .$this->total_rows. ' 个记录分为 ' .$this->total_pages. ' 页, 当前第 ' . $this->now_page . ' 页 ';        $return .= ',每页 ';        $return .= '<input type="text" value="'.$this->list_rows.'" id="pageSize" size="3"> ';        $return .= $this->first_page()."\n";        $return .= $this->up_page()."\n";         $return .= $this->down_page()."\n";        $return .= $this->last_page()."\n";        $return .= '<select onchange="'.$this->ajax_func_name.'(this.value)" id="gotoPage">';                for ($i = $begin;$i<=$begin+10;$i++)        {            if($i>$this->total_pages)            {                break;            }                       if($i == $this->now_page)            {                $return .= '<option selected="true" value="'.$i.'">'.$i.'</option>';            }            else            {                $return .= '<option value="' .$i. '">' .$i. '</option>';            }                   }         $return .= '</select>';        return $return;    }}/*###html分页#### method 处理环境 设置为 html # parameter 为静态页面参数taobao.com/10-0-0-0-40-?.html 注意问号?问号的位置会自动替换为去向页码 # now_page 当前页面(静态页面获取不到当前页面所以只有你传入)$params = array(            'total_rows'=>100, #(必须)            'method'    =>'html', #(必须)            'parameter' =>'taobao.com/10-0-0-0-40-?.html',  #(必须)            'now_page'  =>$_GET['p'],  #(必须)            'list_rows' =>10, #(可选) 默认为15);$page = new Lib_Page($params);echo  $page->show(1);#<a href="taobao.com/10-0-0-0-40-2.html">2</a>*/ ###处理ajax分页的情况#### method 处理环境 设置为 ajax# ajax_func_name ajax分页跳转页面的javascript方法# parameter    ajax_func_name后面的附带参数 默认为空# now_page 不到当前页面所以只有你传入$params = array(            'total_rows'=>100,            'method'    =>'ajax',            'ajax_func_name' =>'goToPage',            'now_page'  =>1,);$page = new Lib_Page($params);echo  $page->show(1);        #<a href="javascript:void(0)" onclick="goToPage('7')">7</a>


1 0
原创粉丝点击