两款万能的php分页类

本文为大家分享个超级好用、万能的php分页类,具体的实现代码如下

第一款php分页类

<?php
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
 
/**
 * 分页类
 * 使用方式:
 * $page = new Page();
 * $page->init(1000, 20);
 * $page->setNotActiveTemplate('<span> {a} </span>');
 * $page->setActiveTemplate('{a}');
 * echo $page->show();
 * 
 * 
 * @author 风居住的地方
 */
class Page {
  /**
   * 总条数
   */
  private $total;
  /**
   * 每页大小
   */
  private $pageSize;
  /**
   * 总页数
   */
  private $pageNum;
  /**
   * 当前页
   */
  private $page;
  /**
   * 地址
   */
  private $uri;
  /**
   * 分页变量
   */
  private $pageParam;
  /**
   * LIMIT XX,XX
   */
  private $limit;
  /**
   * 数字分页显示
   */
  private $listnum = 8;
  /**
   * 分页显示模板
   * 可用变量参数
   * {total}   总数据条数
   * {pagesize}  每页显示条数
   * {start}   本页开始条数
   * {end}    本页结束条数
   * {pagenum}  共有多少页
   * {frist}   首页
   * {pre}    上一页
   * {next}    下一页
   * {last}    尾页
   * {list}    数字分页
   * {goto}    跳转按钮
   */
  private $template = '<div><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></div>';
  /**
   * 当前选中的分页链接模板
   */
  private $activeTemplate = '<li class="active"><a href=#>

第二款php分页类

<?php
/*
 *本程序文件对分页程序进行了封装
 *
*/

class Page_Link
{
  var $page_max = 10; //一组页码的最大数

  var $page_num = 10; //总页数
  var $length = 20; //一页的数据条数

  var $isNextPage = true;
  var $isFirstPage = false;

  function Calculation_Page_Num( $total )
  {
    $this->page_num = ceil( $total / $this->length );
    return $this->page_num;
  }

  function Calculation_Min_Max( $act_page = 1 )
  {
    // 定义左右偏移量
    $py_left = 0;
    $py_right = 0;
    // 定义左右边界
    $bj_left = 0;
    $bj_right = 0;
    // 定义滚动区间边界
    $gd_left = 0;
    $gd_right = 0;
    // 判断是否需要分组
    if ( ( $this->page_num - $this->page_max ) <= 0 )
    {
      // 不需要分组
      $bj_left = 1;
      $bj_right = $this->page_num;
    }
    else
    {
      // 要进行分组
      // 判断容量的奇偶
      $tmp = $this->page_max % 2;
      if ( $tmp === 1 )
      {
        // 奇数
        $py_left = $py_right = ( $this->page_max - 1 ) / 2;
      }
      else
      {
        // 偶数
        $py_left = $this->page_max / 2 - 1;
        $py_right = $this->page_max / 2;
      }
      // 计算滚动区间
      $gd_left = 1 + $py_left;
      $gd_right = $this->page_num - $py_right;
      // 判断当前页是否落入了滚动区间
      if ( $act_page >= $gd_left && $act_page <= $gd_right )
      {
        // 区间内
        $bj_left = $act_page - $py_left;
        $bj_right = $act_page + $py_right;
      }
      else
      {
        // 区间外
        if ( ( $act_page - $py_left ) <= 1 )
        {
          // 左侧固定区间
          $bj_left = 1;
          $bj_right = $this->page_max;
        }
        else
        {
          $bj_left = $this->page_num - $this->page_max + 1;
          $bj_right = $this->page_num;
        }
      }
    }

    $res = array();
    $res['min'] = $bj_left;
    $res['max'] = $bj_right;

    return $res;
    
  }
  // 主方法
  function make_page( $total, $act_page, $url, $param )
  {
    $page_num = $this->Calculation_Page_Num( $total );
    $arr_min_max = $this->Calculation_Min_Max( $act_page );
    
    if (!eregi("([?|&]$param=)", $url)) {
      $url = strpos($url,"?")===false?$url."?":$url."&";
      $url = $url."$param=0";
    }

    if ( $act_page > $page_num )
    {
      $act_page = $page_num;
    }
    // 用正则把url改成正规的
    $url = eregi_replace( $param . '=[0-9]+', $param . '=0', $url );

    $res = array();
    $d = 0;
    for( $i = $arr_min_max['min'];$i <= $arr_min_max['max'];$i++ )
    {
      if ( $i == $act_page )
      {
        $res[$d]['url'] = '';
        $res[$d]['name'] = $i;
        $res[$d]['no'] = $i;
      }
      else
      {
        $res[$d]['url'] = str_replace( $param . '=0', $param . '=' . $i, $url );
        $res[$d]['name'] = $i;
        $res[$d]['no'] = $i;
      }
      $d++;
    }

    if ( $this->isNextPage )
    {
      $res = $this->make_before_next_link( $res, $act_page, $url, $param );
    }
    if ( $this->isFirstPage )
    {
      $res = $this->make_first_end_link( $res, $act_page, $url, $param );
    }
    return $res;
  }
  //// 带总页数
  function make_page_with_total( $total, $act_page, $url, $param )
  {
    $page_num = $this->Calculation_Page_Num( $total );
    $arr_min_max = $this->Calculation_Min_Max( $act_page );
    
    if (!eregi("([?|&]$param=)", $url)) {
      $url = strpos($url,"?")===false?$url."?":$url."&";
      $url = $url."$param=0";
    }

    if ( $act_page > $page_num )
    {
      $act_page = $page_num;
    }
    // 用正则把url改成正规的
    $url = eregi_replace( $param . '=[0-9]+', $param . '=0', $url );

    $res = array();
    $d = 0;
    for( $i = $arr_min_max['min'];$i <= $arr_min_max['max'];$i++ )
    {
      if ( $i == $act_page )
      {
        $res[$d]['url'] = '';
        $res[$d]['name'] = $i;
        $res[$d]['no'] = $i;
      }
      else
      {
        $res[$d]['url'] = str_replace( $param . '=0', $param . '=' . $i, $url );
        $res[$d]['name'] = $i;
        $res[$d]['no'] = $i;
      }
      $d++;
    }

    if ( $this->isNextPage )
    {
      $res = $this->make_before_next_link( $res, $act_page, $url, $param );
    }
    if ( $this->isFirstPage )
    {
      $res = $this->make_first_end_link( $res, $act_page, $url, $param );
    }
    
    $total_num= ceil($total/$this->length);
    $result['total']=$total_num;
    $result['DATA']=$res;
    return $result;
  }
  
  // 附加上一页和下一页
  function make_before_next_link( $arr, $act, $url, $param )
  {
    $tmp = array();

    $before = $act - 1;
    $next = $act + 1;

    if ( $before < 1 )
    {
      $before = 1;
      $tmp[0]['url'] = '';
      $tmp[0]['name'] = "上一页";
      $tmp[0]['no'] = $before;
    }
    else
    {
      $tmp[0]['url'] = str_replace( $param . '=0', $param . '=' . $before, $url );
      $tmp[0]['name'] = "上一页";
      $tmp[0]['no'] = $before;
    }

    $counts = sizeof( $arr );
    $tmp_count = sizeof( $tmp );
    for( $i = 0;$i < $counts;$i++ )
    {
      $tmp[$tmp_count]['url'] = $arr[$i]['url'];
      $tmp[$tmp_count]['name'] = $arr[$i]['name'];
      $tmp[$tmp_count]['no'] = $arr[$i]['no'];
      $tmp_count++;
    }

    if ( $next > $this->page_num )
    {
      $next = $this->page_num;
      $tmp[$tmp_count]['url'] = '';
      $tmp[$tmp_count]['name'] = "下一页";
      $tmp[$tmp_count]['no'] = $next;
    }
    else
    {
      $tmp[$tmp_count]['url'] = str_replace( $param . '=0', $param . '=' . $next, $url );
      $tmp[$tmp_count]['name'] = "下一页";
      $tmp[$tmp_count]['no'] = $next;
    }

    return $tmp;
  }
  
  // 附加首页和尾页
  function make_first_end_link( $arr, $act, $url, $param )
  {
    $tmp = array();

    $before = 1;
    $next = $this->page_num;

    if ( $act == 1 )
    {
      $before = 1;
      $tmp[0]['url'] = '';
      $tmp[0]['name'] = "首页";
      $tmp[0]['no'] = $before;
    }
    else
    {
      $tmp[0]['url'] = str_replace( $param . '=0', $param . '=' . $before, $url );
      $tmp[0]['name'] = "首页";
      $tmp[0]['no'] = $before;
    }

    $counts = sizeof( $arr );
    $tmp_count = sizeof( $tmp );
    for( $i = 0;$i < $counts;$i++ )
    {
      $tmp[$tmp_count]['url'] = $arr[$i]['url'];
      $tmp[$tmp_count]['name'] = $arr[$i]['name'];
      $tmp[$tmp_count]['no'] = $arr[$i]['no'];
      $tmp_count++;
    }

    if ( $act == $this->page_num )
    {
      $tmp[$tmp_count]['url'] = '';
      $tmp[$tmp_count]['name'] = "尾页";
      $tmp[$tmp_count]['no'] = $next;
    }
    else
    {
      $tmp[$tmp_count]['url'] = str_replace( $param . '=0', $param . '=' . $next, $url );
      $tmp[$tmp_count]['name'] = "尾页";
      $tmp[$tmp_count]['no'] = $next;
    }

    return $tmp;
  }
  
   
  /**
   * 带上一页<,下一页>,省略号的分页
   * @param int $total    记录总条数
   * @param int $act_page    当前页码
   * @param string $url    url
   * @param int $maxpageicon  最大显示页码数
   * @param int $style    上一页,下一页显示样式
   * @param string $param    url参数
   */
  function make_page_with_points( $total,$act_page,$url,$maxpageicon,$style,$param )
  {
    $page_num = $this->Calculation_Page_Num( $total );    //总页数
    $arr_min_max = $this->Calculation_Min_Max( $act_page );    //最大页,最小页  
    if($total==0)
    {
       return "";

    }
    if( $act_page > $page_num )
    {
      $act_page = $page_num+1;
      $page_num = $page_num+1;
    }
    
    switch ($style){
      case 1:
        $name_before = '前一页';
        $name_next = '后一页';
        break;
      case 2:
        $name_before = '<';
        $name_next = '>';
        break;
      case 3:
        $name_before = '<<';
        $name_next = '>>';
        break;
      default:
        $name_before = '上一页';
        $name_next = '下一页';
    }
    
    if (!eregi("([?|&]$param=)", $url)) {
      $url = strpos($url,"?")===false?$url."?":$url."&";
      $url = $url."$param=0";
    }
        
    // 用正则把url改成正规的
    $url = eregi_replace( $param . '=[0-9]+', $param . '=0', $url );
    $res = array();
    $no_before = $act_page-1;
    $no_next = $act_page+1;
    
    //总页数如果小于等于初始化最大呈现页数
    if ($page_num<= ($maxpageicon + 1))
    {
      //如果当前页数是首页 上一页无效
      if ($act_page == 1)  
      {
        $res[0]['url'] = '';
        $res[0]['name'] = $name_before;
        $res[0]['no'] = $no_before;
      }
      else      //上一页有效
      {
        $res[0]['url'] = str_replace( $param . '=0', $param . '=' .($act_page - 1), $url );
        $res[0]['name'] = $name_before;
        $res[0]['no'] = $no_before; 
      }
      //循环添加页码
      $d = 1;
      for ($i = 1; $i <= $page_num; $i++)
      {
        if ($i != $act_page)
        {
          $res[$d]['url'] = str_replace( $param . '=0', $param . '=' . $i, $url );
          $res[$d]['name'] = $i;
          $res[$d]['no'] = $i;
        }
        else  //当前页,页码
        {
          $res[$d]['url'] = '';
          $res[$d]['name'] = $i;
          $res[$d]['no'] = $i;
          $res[$d]['attr'] = 'current';
        }
        $d++;
      }
      $last_d = count($res);
      //判断尾页
      if($act_page == $page_num)  //下一页无效
      {
        $res[$last_d]['url'] = '';
        $res[$last_d]['name'] = $name_next;
        $res[$last_d]['no'] = $no_next;    
      }
      else
      {
         $res[$last_d]['url'] = str_replace( $param . '=0', $param . '=' .($act_page + 1), $url );
        $res[$last_d]['name'] = $name_next;
        $res[$last_d]['no'] = $no_next;
      }
    }else if ($page_num > ($maxpageicon + 1))//如果总页数满足添加省略号
    { 
      if ($act_page <= $maxpageicon) //如果当前页小于等于初始化数目
      {
        //如果当前页数是首页 上一页无效
        if ($act_page == 1)  
        {
          $res[0]['url'] = '';
          $res[0]['name'] = $name_before;
          $res[0]['no'] = $no_before;
        }
        else      //上一页有效
        {
          $res[0]['url'] = str_replace( $param . '=0', $param . '=' .($act_page - 1), $url );
          $res[0]['name'] = $name_before;
          $res[0]['no'] = $no_before; 
        }
        //循环添加页码
        $d = 1;
        for ($i = 1; $i <= $maxpageicon; $i++)
        {
          if ($i != $act_page)
          {
            $res[$d]['url'] = str_replace( $param . '=0', $param . '=' . $i, $url );
            $res[$d]['name'] = $i;
            $res[$d]['no'] = $i;
          }
          else  //当前页,页码
          {
            $res[$d]['url'] = '';
            $res[$d]['name'] = $i;
            $res[$d]['no'] = $i;
            $res[$d]['attr'] = 'current';
          }
          $d++;
        }
        $last_d = count($res);
        //添加省略号
        $res[$last_d]['url'] = '';
        $res[$last_d]['name'] = '...';
        $res[$last_d]['no'] = '';
        //总页数
        $res[$last_d+1]['url'] = str_replace( $param . '=0', $param . '=' . $page_num, $url );
        $res[$last_d+1]['name'] = $page_num;
        $res[$last_d+1]['no'] = $page_num;
        //下一页
        $res[$last_d+1]['url'] = str_replace( $param . '=0', $param . '=' . ($act_page + 1), $url );
        $res[$last_d+1]['name'] = $name_next;
        $res[$last_d+1]['no'] = $no_next;     
      }else//如果当前页大于最大显示页面
      {
        if ($act_page > ($page_num - $maxpageicon))//满足后几页
        {
          //上一页
          $res[0]['url'] = str_replace( $param . '=0', $param . '=' .($act_page - 1), $url );
          $res[0]['name'] = $name_before;
          $res[0]['no'] = $no_before;
          //第一页
          $res[1]['url'] = str_replace( $param . '=0', $param . '=1', $url );
          $res[1]['name'] = 1;
          $res[1]['no'] = 1;  
          //省略号
          $res[2]['url'] = '';
          $res[2]['name'] = '...';
          $res[2]['no'] = ''; 
          $d = 3;
          for ($i = ($page_num - $maxpageicon + 1); $i <= $page_num; $i++)
          {
            if ($i != $act_page)
            {
              $res[$d]['url'] = str_replace( $param . '=0', $param . '=' . $i, $url );
              $res[$d]['name'] = $i;
              $res[$d]['no'] = $i;
            }
            else  //当前页,页码
            {
              $res[$d]['url'] = '';
              $res[$d]['name'] = $i;
              $res[$d]['no'] = $i;
              $res[$d]['attr'] = 'current';
            }
            $d++;
          }
          $last_d = count($res);
          //判断尾页
          if($act_page == $page_num)  //下一页无效
          {
             $res[$last_d]['url'] = '';
            $res[$last_d]['name'] = $name_next;
            $res[$last_d]['no'] = $no_next;    
          }
          else
          {
             $res[$last_d]['url'] = str_replace( $param . '=0', $param . '=' .($act_page + 1), $url );
            $res[$last_d]['name'] = $name_next;
            $res[$last_d]['no'] = $no_next;
          }

        }else//满足处在中间
        {
          //上一页
          $res[0]['url'] = str_replace( $param . '=0', $param . '=' .($act_page - 1), $url );
          $res[0]['name'] = $name_before;
          $res[0]['no'] = $no_before;
          //第一页
          $res[1]['url'] = str_replace( $param . '=0', $param . '=1', $url );
          $res[1]['name'] = 1;
          $res[1]['no'] = 1;  
          //省略号
          $res[2]['url'] = '';
          $res[2]['name'] = '...';
          $res[2]['no'] = ''; 
          for ($i = ($act_page - ($maxpageicon - 2) / 2); $i <= floor($act_page+($maxpageicon - 2) / 2); $i++)
          {
            $i = ceil($i);
            if ($i != $act_page)
            {
              $res[$d]['url'] = str_replace( $param . '=0', $param . '=' . $i, $url );
              $res[$d]['name'] = $i;
              $res[$d]['no'] = $i;
            }
            else  //当前页,页码
            {
              $res[$d]['url'] = '';
              $res[$d]['name'] = $i;
              $res[$d]['no'] = $i;
              $res[$d]['attr'] = 'current';
            }
            $d++;
          }
          $last_d = count($res);
          //加省略号
          $res[$last_d]['url'] = '';
          $res[$last_d]['name'] = '...';
          $res[$last_d]['no'] = '';
          //当前页
          $res[$last_d+1]['url'] = str_replace( $param . '=0', $param . '=' . $page_num, $url );
          $res[$last_d+1]['name'] = $page_num;
          $res[$last_d+1]['no'] = $page_num;    
          //下一页
          $res[$last_d+2]['url'] = str_replace( $param . '=0', $param . '=' . ($act_page + 1), $url );
          $res[$last_d+2]['name'] = $name_next;
          $res[$last_d+2]['no'] = $no_next;
          //exit;  
         }
      }
    }
    return $res;
  }
}

?>

以上就是为大家分享的两款php分页类,希望对大家的学习有所帮助。

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验证码通常是用来安全保证我们网站注册或登录不被注入的,但为了更安全我们通常会生成一些混合验证码了,下面一起来看看例子. 在我们开发登录模块或者是论坛的灌水模块的时候,为了防止恶意提交,需要用到验证码,验证码就是用来区分人和机器的一种手段,当然这种手段不是万无一失,但总归会起到一些作用. 验证码的实现需要GD库的支持,没有开启GD库的童鞋需开启GD库,其实验证码的制作和使用非常的简单,仅仅只是需要4个步骤就可以搞定:创建验证码底图,显示验证码内容,增加干扰元素,输出验证码,下面我们来进行步骤拆分: 第一步:

php验证手机号码 - 2015-11-13 15:11:46

大家都应该有这个常识,中国的手机号码都是以数字“1”开头,然后利用“0~9”10个数字组成的11位数字组合,那么我们的验证规则肯定要根据这个思路来写。 根据上面的简单思路,我们便可以写下以下的验证代码,代码如下: ?php //本代码仅仅是提供一些思路 //距离实际应用还有一些距离 $mobile = '15858588585'; //下面的1便是手机的第一位数字必须为数字1 //[0-9]指后面的数字均为0~9的数字 //{9}这中间的9指的是手机号码除了第一位数外,其他要重复10次,刚好就是11位数了

php+mysql实现无限级分类 - 2015-11-13 15:11:46

项目思路分析: 一个PHP项目要用到分类,但不确定分几级,所以就想做成无限级分类。 一开始想是按以前一样,数据库建4个值,如下: id: 自增 | pid: 父类ID | xid: 排序ID | classname: 分类名称 后来想到这种在读取数据时和修改时比较不方便,而且在产品读取时尤其不便,于时改成了以下的方案: 在Mysql的表中新增了一个字段,现 数据库 如下: 表名 w_faqclass: id: 自增 | pid: 父类ID | xid: 排序ID | classname: 分类名称 | r

分享10段PHP常用代码 - 2015-11-13 14:11:31

本文汇集PHP开发中经常用到的十段代码,包括Email、64位编码和解码、解压缩、64位编码、解析JSON等,希望对您有所帮助。 1、使用PHP Mail函数发送Email $to = "viralpatel.net@gmail.com"; $subject = "VIRALPATEL.net"; $body = "Body of your message here you can use HTML too. e.g.

Thinkphp无限级分类代码 - 2015-11-13 14:11:12

本篇就一点一点教大家写一个无限级分类出来,其实掌握一个知识,最主要的是要掌握无限级分类的逻辑,那么写起来就很容易的多了。 首先看数据库表:xp_cate 控制器:CateAction.class.php ?phpclass CateAction extends Action{function index(){$cate=M('Cate');$list=$cate-field("id,name,pid,path,concat(path,'-',id) as bpath")-order('bpath')-se