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一款万能的php分页类实例代码

时间：2021-07-01 10:21:17 帮助过：6人阅读

分页 (pagination)，即将一个页面分成两个或两个以上的页面。

有一种自动分页机制，可以将移动 Web窗体中的内

容分割成一组组较小的页进行呈现，以适合于特定的设备。该机制还呈现可用于浏览到其他页的用户界面元素。

这篇文章主要介绍了一款万能的php分页类，特别好用，需要使用php分页类的朋友不要错过。代码如下

  1. <?php
  2. /*
  3.  * To change this template, choose Tools | Templates
  4.  * and open the template in the editor.
  5.  */
  6.  
  7. /**
  8.  * 分页类
  9.  * 使用方式:
  10.  * $page = new Page();
  11.  * $page->init(1000, 20);
  12.  * $page->setNotActiveTemplate('<span> {a} </span>');
  13.  * $page->setActiveTemplate('{a}');
  14.  * echo $page->show();
  15.  * 
  16.  * 
  17.  * @author 风居住的地方
  18.  */
  19. class Page {
  20.   /**
  21.    * 总条数
  22.    */
  23.   private $total;
  24.   /**
  25.    * 每页大小
  26.    */
  27.   private $pageSize;
  28.   /**
  29.    * 总页数
  30.    */
  31.   private $pageNum;
  32.   /**
  33.    * 当前页
  34.    */
  35.   private $page;
  36.   /**
  37.    * 地址
  38.    */
  39.   private $uri;
  40.   /**
  41.    * 分页变量
  42.    */
  43.   private $pageParam;
  44.   /**
  45.    * LIMIT XX,XX
  46.    */
  47.   private $limit;
  48.   /**
  49.    * 数字分页显示
  50.    */
  51.   private $listnum = 8;
  52.   /**
  53.    * 分页显示模板
  54.    * 可用变量参数
  55.    * {total}   总数据条数
  56.    * {pagesize}  每页显示条数
  57.    * {start}   本页开始条数
  58.    * {end}    本页结束条数
  59.    * {pagenum}  共有多少页
  60.    * {frist}   首页
  61.    * {pre}    上一页
  62.    * {next}    下一页
  63.    * {last}    尾页
  64.    * {list}    数字分页
  65.    * {goto}    跳转按钮
  66.    */
  67.   private $template = '<p><span>共有{total}条数据</span><span>每页显示{pagesize}条数据</span>,<span>本页{start}-{end}条数据</span><span>共有{pagenum}页</span><ul>{frist}{pre}{list}{next}{last}{goto}</ul></p>';
  68.   /**
  69.    * 当前选中的分页链接模板
  70.    */
  71.   private $activeTemplate = '<li class="active"><a href="javascript:;">{text}</a></li>';
  72.   /**
  73.    * 未选中的分页链接模板
  74.    */
  75.   private $notActiveTemplate = '<li><a href="{url}">{text}</a></li>';
  76.   /**
  77.    * 显示文本设置
  78.    */
  79.   private $config = array('frist' => '首页', 'pre' => '上一页', 'next' => '下一页', 'last' => '尾页');
  80.   /**
  81.    * 初始化
  82.    * @param type $total    总条数
  83.    * @param type $pageSize  每页大小
  84.    * @param type $param    url附加参数
  85.    * @param type $pageParam  分页变量
  86.    */
  87.   public function init($total, $pageSize, $param = '', $pageParam = 'page') {
  88.     $this->total = intval($total);
  89.     $this->pageSize = intval($pageSize);
  90.     $this->pageParam = $pageParam;
  91.     $this->uri = $this->geturi($param);
  92.     $this->pageNum = ceil($this->total / $this->pageSize);
  93.     $this->page = $this->setPage();
  94.     $this->limit = $this->setlimit();
  95.   }
  96.    
  97.   /**
  98.    * 设置分页模板
  99.    * @param type $template  模板配置
  100.    */
  101.   public function setTemplate($template) {
  102.     $this->template = $template;
  103.   }
  104.    
  105.   /**
  106.    * 设置选中分页模板
  107.    * @param type $activeTemplate   模板配置
  108.    */
  109.   public function setActiveTemplate($activeTemplate) {
  110.     $this->activeTemplate = $activeTemplate;
  111.   }
  112.  
  113.   /**
  114.    * 设置未选中分页模板
  115.    * @param type $notActiveTemplate  模板配置
  116.    */
  117.   public function setNotActiveTemplate($notActiveTemplate) {
  118.     $this->notActiveTemplate = $notActiveTemplate;
  119.   }
  120.  
  121.   /**
  122.    * 返回分页
  123.    * @return type
  124.    */
  125.   public function show() {
  126.     return str_ireplace(array(
  127.       '{total}',
  128.       '{pagesize}',
  129.       '{start}',
  130.       '{end}',
  131.       '{pagenum}',
  132.       '{frist}',
  133.       '{pre}',
  134.       '{next}',
  135.       '{last}',
  136.       '{list}',
  137.       '{goto}',
  138.     ), array(
  139.       $this->total,
  140.       $this->setPageSize(),
  141.       $this->star(),
  142.       $this->end(),
  143.       $this->pageNum,
  144.       $this->frist(),
  145.       $this->prev(),
  146.       $this->next(),
  147.       $this->last(),
  148.       $this->pagelist(),
  149.       $this->gopage(),
  150.     ), $this->template);
  151.   }
  152.    
  153.   /**
  154.    * 获取limit起始数
  155.    * @return type
  156.    */
  157.   public function getOffset() {
  158.     return ($this->page - 1) * $this->pageSize;
  159.   }
  160.    
  161.   /**
  162.    * 设置LIMIT
  163.    * @return type
  164.    */
  165.   private function setlimit() {
  166.     return "limit " . ($this->page - 1) * $this->pageSize . ",{$this->pageSize}";
  167.   }
  168.  
  169.   /**
  170.    * 获取limit
  171.    * @param type $args
  172.    * @return type
  173.    */
  174.   public function __get($args) {
  175.     if ($args == "limit") {
  176.       return $this->limit;
  177.     } else {
  178.       return null;
  179.     }
  180.   }
  181.  
  182.   /**
  183.    * 初始化当前页
  184.    * @return int
  185.    */
  186.   private function setPage() {
  187.     if (!empty($_GET[$this->pageParam])) {
  188.       if ($_GET[$this->pageParam] > 0) {
  189.         if ($_GET[$this->pageParam] > $this->pageNum)
  190.           return $this->pageNum;
  191.         else
  192.           return $_GET[$this->pageParam];
  193.       }
  194.     }
  195.     return 1;
  196.   }
  197.  
  198.   /**
  199.    * 初始化url
  200.    * @param type $param
  201.    * @return string
  202.    */
  203.   private function geturi($param) {
  204.     $url = $_SERVER['REQUEST_URI'] . (strpos($_SERVER['REQUEST_URI'], "?") ? "" : "?") . $param;
  205.     $parse = parse_url($url);
  206.     if (isset($parse["query"])) {
  207.       parse_str($parse["query"], $params);
  208.       unset($params["page"]);
  209.       $url = $parse["path"] . "?" . http_build_query($params);
  210.       return $url;
  211.     } else {
  212.       return $url;
  213.     }
  214.   }
  215.  
  216.   /**
  217.    * 本页开始条数
  218.    * @return int
  219.    */
  220.   private function star() {
  221.     if ($this->total == 0) {
  222.       return 0;
  223.     } else {
  224.       return ($this->page - 1) * $this->pageSize + 1;
  225.     }
  226.   }
  227.  
  228.   /**
  229.    * 本页结束条数
  230.    * @return type
  231.    */
  232.   private function end() {
  233.     return min($this->page * $this->pageSize, $this->total);
  234.   }
  235.  
  236.   /**
  237.    * 设置当前页大小
  238.    * @return type
  239.    */
  240.   private function setPageSize() {
  241.     return $this->end() - $this->star() + 1;
  242.   }
  243.    
  244.   /**
  245.    * 首页
  246.    * @return type
  247.    */
  248.   private function frist() {
  249.     $html = '';
  250.     if ($this->page == 1) {
  251.       $html .= $this->replace("{$this->uri}&page=1", $this->config['frist'], true);
  252.     } else {
  253.       $html .= $this->replace("{$this->uri}&page=1", $this->config['frist'], false);
  254.     }
  255.     return $html;
  256.   }
  257.  
  258.   /**
  259.    * 上一页
  260.    * @return type
  261.    */
  262.   private function prev() {
  263.     $html = '';
  264.     if ($this->page > 1) {
  265.       $html .= $this->replace($this->uri.'&page='.($this->page - 1), $this->config['pre'], false);
  266.     } else {
  267.       $html .= $this->replace($this->uri.'&page='.($this->page - 1), $this->config['pre'], true);
  268.     }
  269.     return $html;
  270.   }
  271.  
  272.   /**
  273.    * 分页数字列表
  274.    * @return type
  275.    */
  276.   private function pagelist() {
  277.     $linkpage = "";
  278.     $lastlist = floor($this->listnum / 2);
  279.     for ($i = $lastlist; $i >= 1; $i--) {
  280.       $page = $this->page - $i;
  281.       if ($page >= 1) {
  282.         $linkpage .= $this->replace("{$this->uri}&page={$page}", $page, false);
  283.       } else {
  284.         continue;
  285.       }
  286.     }
  287.     $linkpage .= $this->replace("{$this->uri}&page={$this->page}", $this->page, true);
  288.     for ($i = 1; $i <= $lastlist; $i++) {
  289.       $page = $this->page + $i;
  290.       if ($page <= $this->pageNum) {
  291.         $linkpage .= $this->replace("{$this->uri}&page={$page}", $page, false);
  292.       } else {
  293.         break;
  294.       }
  295.     }
  296.     return $linkpage;
  297.   }
  298.  
  299.   /**
  300.    * 下一页
  301.    * @return type
  302.    */
  303.   private function next() {
  304.     $html = '';
  305.     if ($this->page < $this->pageNum) {
  306.       $html .= $this->replace($this->uri.'&page='.($this->page + 1), $this->config['next'], false);
  307.     } else {
  308.       $html .= $this->replace($this->uri.'&page='.($this->page + 1), $this->config['next'], true);
  309.     }
  310.     return $html;
  311.   }
  312.  
  313.   /**
  314.    * 最后一页
  315.    * @return type
  316.    */
  317.   private function last() {
  318.     $html = '';
  319.     if ($this->page == $this->pageNum) {
  320.       $html .= $this->replace($this->uri.'&page='.($this->pageNum), $this->config['last'], true);
  321.     } else {
  322.       $html .= $this->replace($this->uri.'&page='.($this->pageNum), $this->config['last'], false);
  323.     }
  324.     return $html;
  325.   }
  326.  
  327.   /**
  328.    * 跳转按钮
  329.    * @return string
  330.    */
  331.   private function gopage() {
  332.     $html = '';
  333.     $html.=' <input type="text" value="' . $this->page . '" onkeydown="javascript:if(event.keyCode==13){var page=(this.value>' . $this->pageNum . ')?' . $this->pageNum . ':this.value;location=\'' . $this->uri . '&page=\'+page+\'\'}" style="width:25px;"/><input type="button" onclick="javascript:var page=(this.previousSibling.value>' . $this->pageNum . ')?' . $this->pageNum . ':this.previousSibling.value;location=\'' . $this->uri . '&page=\'+page+\'\'" value="GO"/>';
  334.     return $html;
  335.   }
  336.  
  337.   /**
  338.    * 模板替换
  339.    * @param type $replace   替换内容
  340.    * @param type $result   条件
  341.    * @return type
  342.    */
  343.   private function replace($url, $text, $result = true) {
  344.     $template = ($result ? $this->activeTemplate : $this->notActiveTemplate);
  345.      
  346.      $html = str_replace('{url}', $url, $template);
  347.      $html = str_replace('{text}', $text, $html);
  348.     return $html;
  349.   }
  350. }

第二款php分页类

  1. <?php
  2. /*
  3.  *本程序文件对分页程序进行了封装
  4.  *
  5. */
  6. class Page_Link
  7. {
  8.   var $page_max = 10; //一组页码的最大数
  9.   var $page_num = 10; //总页数
  10.   var $length = 20; //一页的数据条数
  11.   var $isNextPage = true;
  12.   var $isFirstPage = false;
  13.   function Calculation_Page_Num( $total )
  14.   {
  15.     $this->page_num = ceil( $total / $this->length );
  16.     return $this->page_num;
  17.   }
  18.   function Calculation_Min_Max( $act_page = 1 )
  19.   {
  20.     // 定义左右偏移量
  21.     $py_left = 0;
  22.     $py_right = 0;
  23.     // 定义左右边界
  24.     $bj_left = 0;
  25.     $bj_right = 0;
  26.     // 定义滚动区间边界
  27.     $gd_left = 0;
  28.     $gd_right = 0;
  29.     // 判断是否需要分组
  30.     if ( ( $this->page_num - $this->page_max ) <= 0 )
  31.     {
  32.       // 不需要分组
  33.       $bj_left = 1;
  34.       $bj_right = $this->page_num;
  35.     }
  36.     else
  37.     {
  38.       // 要进行分组
  39.       // 判断容量的奇偶
  40.       $tmp = $this->page_max % 2;
  41.       if ( $tmp === 1 )
  42.       {
  43.         // 奇数
  44.         $py_left = $py_right = ( $this->page_max - 1 ) / 2;
  45.       }
  46.       else
  47.       {
  48.         // 偶数
  49.         $py_left = $this->page_max / 2 - 1;
  50.         $py_right = $this->page_max / 2;
  51.       }
  52.       // 计算滚动区间
  53.       $gd_left = 1 + $py_left;
  54.       $gd_right = $this->page_num - $py_right;
  55.       // 判断当前页是否落入了滚动区间
  56.       if ( $act_page >= $gd_left && $act_page <= $gd_right )
  57.       {
  58.         // 区间内
  59.         $bj_left = $act_page - $py_left;
  60.         $bj_right = $act_page + $py_right;
  61.       }
  62.       else
  63.       {
  64.         // 区间外
  65.         if ( ( $act_page - $py_left ) <= 1 )
  66.         {
  67.           // 左侧固定区间
  68.           $bj_left = 1;
  69.           $bj_right = $this->page_max;
  70.         }
  71.         else
  72.         {
  73.           $bj_left = $this->page_num - $this->page_max + 1;
  74.           $bj_right = $this->page_num;
  75.         }
  76.       }
  77.     }
  78.     $res = array();
  79.     $res['min'] = $bj_left;
  80.     $res['max'] = $bj_right;
  81.     return $res;
  82.     
  83.   }
  84.   // 主方法
  85.   function make_page( $total, $act_page, $url, $param )
  86.   {
  87.     $page_num = $this->Calculation_Page_Num( $total );
  88.     $arr_min_max = $this->Calculation_Min_Max( $act_page );
  89.     
  90.     if (!eregi("([?|&]$param=)", $url)) {
  91.       $url = strpos($url,"?")===false?$url."?":$url."&";
  92.       $url = $url."$param=0";
  93.     }
  94.     if ( $act_page > $page_num )
  95.     {
  96.       $act_page = $page_num;
  97.     }
  98.     // 用正则把url改成正规的
  99.     $url = eregi_replace( $param . '=[0-9]+', $param . '=0', $url );
  100.     $res = array();
  101.     $d = 0;
  102.     for( $i = $arr_min_max['min'];$i <= $arr_min_max['max'];$i++ )
  103.     {
  104.       if ( $i == $act_page )
  105.       {
  106.         $res[$d]['url'] = '';
  107.         $res[$d]['name'] = $i;
  108.         $res[$d]['no'] = $i;
  109.       }
  110.       else
  111.       {
  112.         $res[$d]['url'] = str_replace( $param . '=0', $param . '=' . $i, $url );
  113.         $res[$d]['name'] = $i;
  114.         $res[$d]['no'] = $i;
  115.       }
  116.       $d++;
  117.     }
  118.     if ( $this->isNextPage )
  119.     {
  120.       $res = $this->make_before_next_link( $res, $act_page, $url, $param );
  121.     }
  122.     if ( $this->isFirstPage )
  123.     {
  124.       $res = $this->make_first_end_link( $res, $act_page, $url, $param );
  125.     }
  126.     return $res;
  127.   }
  128.   //// 带总页数
  129.   function make_page_with_total( $total, $act_page, $url, $param )
  130.   {
  131.     $page_num = $this->Calculation_Page_Num( $total );
  132.     $arr_min_max = $this->Calculation_Min_Max( $act_page );
  133.     
  134.     if (!eregi("([?|&]$param=)", $url)) {
  135.       $url = strpos($url,"?")===false?$url."?":$url."&";
  136.       $url = $url."$param=0";
  137.     }
  138.     if ( $act_page > $page_num )
  139.     {
  140.       $act_page = $page_num;
  141.     }
  142.     // 用正则把url改成正规的
  143.     $url = eregi_replace( $param . '=[0-9]+', $param . '=0', $url );
  144.     $res = array();
  145.     $d = 0;
  146.     for( $i = $arr_min_max['min'];$i <= $arr_min_max['max'];$i++ )
  147.     {
  148.       if ( $i == $act_page )
  149.       {
  150.         $res[$d]['url'] = '';
  151.         $res[$d]['name'] = $i;
  152.         $res[$d]['no'] = $i;
  153.       }
  154.       else
  155.       {
  156.         $res[$d]['url'] = str_replace( $param . '=0', $param . '=' . $i, $url );
  157.         $res[$d]['name'] = $i;
  158.         $res[$d]['no'] = $i;
  159.       }
  160.       $d++;
  161.     }
  162.     if ( $this->isNextPage )
  163.     {
  164.       $res = $this->make_before_next_link( $res, $act_page, $url, $param );
  165.     }
  166.     if ( $this->isFirstPage )
  167.     {
  168.       $res = $this->make_first_end_link( $res, $act_page, $url, $param );
  169.     }
  170.     
  171.     $total_num= ceil($total/$this->length);
  172.     $result['total']=$total_num;
  173.     $result['DATA']=$res;
  174.     return $result;
  175.   }
  176.   
  177.   // 附加上一页和下一页
  178.   function make_before_next_link( $arr, $act, $url, $param )
  179.   {
  180.     $tmp = array();
  181.     $before = $act - 1;
  182.     $next = $act + 1;
  183.     if ( $before < 1 )
  184.     {
  185.       $before = 1;
  186.       $tmp[0]['url'] = '';
  187.       $tmp[0]['name'] = "上一页";
  188.       $tmp[0]['no'] = $before;
  189.     }
  190.     else
  191.     {
  192.       $tmp[0]['url'] = str_replace( $param . '=0', $param . '=' . $before, $url );
  193.       $tmp[0]['name'] = "上一页";
  194.       $tmp[0]['no'] = $before;
  195.     }
  196.     $counts = sizeof( $arr );
  197.     $tmp_count = sizeof( $tmp );
  198.     for( $i = 0;$i < $counts;$i++ )
  199.     {
  200.       $tmp[$tmp_count]['url'] = $arr[$i]['url'];
  201.       $tmp[$tmp_count]['name'] = $arr[$i]['name'];
  202.       $tmp[$tmp_count]['no'] = $arr[$i]['no'];
  203.       $tmp_count++;
  204.     }
  205.     if ( $next > $this->page_num )
  206.     {
  207.       $next = $this->page_num;
  208.       $tmp[$tmp_count]['url'] = '';
  209.       $tmp[$tmp_count]['name'] = "下一页";
  210.       $tmp[$tmp_count]['no'] = $next;
  211.     }
  212.     else
  213.     {
  214.       $tmp[$tmp_count]['url'] = str_replace( $param . '=0', $param . '=' . $next, $url );
  215.       $tmp[$tmp_count]['name'] = "下一页";
  216.       $tmp[$tmp_count]['no'] = $next;
  217.     }
  218.     return $tmp;
  219.   }
  220.   
  221.   // 附加首页和尾页
  222.   function make_first_end_link( $arr, $act, $url, $param )
  223.   {
  224.     $tmp = array();
  225.     $before = 1;
  226.     $next = $this->page_num;
  227.     if ( $act == 1 )
  228.     {
  229.       $before = 1;
  230.       $tmp[0]['url'] = '';
  231.       $tmp[0]['name'] = "首页";
  232.       $tmp[0]['no'] = $before;
  233.     }
  234.     else
  235.     {
  236.       $tmp[0]['url'] = str_replace( $param . '=0', $param . '=' . $before, $url );
  237.       $tmp[0]['name'] = "首页";
  238.       $tmp[0]['no'] = $before;
  239.     }
  240.     $counts = sizeof( $arr );
  241.     $tmp_count = sizeof( $tmp );
  242.     for( $i = 0;$i < $counts;$i++ )
  243.     {
  244.       $tmp[$tmp_count]['url'] = $arr[$i]['url'];
  245.       $tmp[$tmp_count]['name'] = $arr[$i]['name'];
  246.       $tmp[$tmp_count]['no'] = $arr[$i]['no'];
  247.       $tmp_count++;
  248.     }
  249.     if ( $act == $this->page_num )
  250.     {
  251.       $tmp[$tmp_count]['url'] = '';
  252.       $tmp[$tmp_count]['name'] = "尾页";
  253.       $tmp[$tmp_count]['no'] = $next;
  254.     }
  255.     else
  256.     {
  257.       $tmp[$tmp_count]['url'] = str_replace( $param . '=0', $param . '=' . $next, $url );
  258.       $tmp[$tmp_count]['name'] = "尾页";
  259.       $tmp[$tmp_count]['no'] = $next;
  260.     }
  261.     return $tmp;
  262.   }
  263. ?>

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