简单好用的PHP分页类

openkk 10年前

class Pagination  独立分页类
调用方式:
$pagenation = new Pagination( 4, 10, 200 ); // 4(第一个参数) = currentPage, 10(第二个参数) = pageSize, 200(第三个参数) = 总数
$pagenation->set_link( 'http://www.open-open.com' );
$pagenation->show();

<?php  /**   *  class Pagination   *   *  独立分页类   *  调用方式:   *  $pagenation = new Pagination( 4, 10, 200 ); // 4(第一个参数) = currentPage, 10(第二个参数) = pageSize, 200(第三个参数) = 总数   *  $pagenation->set_link( 'http://www.360hqb.com' );   *  $pagenation->show();   */  class Java_Pagination  {      protected $_total = 0;      protected $_total_page = 0;      protected $_page = 1;      protected $_page_size = 10;      protected $_link = '';      protected $_grep = 3;        protected $_admin = false;      protected $_css_next = 'next-page';      protected $_css_prev = 'prev-page';      protected $_css_curr = 'curr-page';      protected $_css_page = 'page-nav inline-block';        public function __construct ( $page, $page_size, $total, $admin = false )      {          $this->set_current_page( $page );          $this->set_page_size( $page_size );          $this->set_total( $total );            if ( $admin )          {              $this->_admin = $admin;          }          //$this->_link = $_SERVER['REQUEST_URI'];          $this->set_link( $_SERVER['REQUEST_URI'] );      }        public function set_link ( $link, $is_shop = TRUE )      {          $len  = strlen( $link );          $substr = substr( $link, $len - 1 );          if ( '&' == $substr )          {              $link = substr( $link, 0, $len - 1 );          }          $pos = strpos( $link, '?' );          if ( $pos )          {              $link = substr( $link, 0, $pos );          }          if ( !empty( $_GET ) )          {              $link .= '?';              foreach ( $_GET as $k=>$v )              {                  if ( 'page' == strtolower( $k ) )                  {                      continue;                  }                  $link .= $k.'='.$v.'&';              }              $len  = strlen( $link );              $substr = substr( $link, $len - 1 );              if ( '&' == $substr )              {                  $link = substr( $link, 0, $len - 1);              }          }           elseif ( isset( $_SERVER['QUERY_STRING'] ) AND !empty( $_SERVER['QUERY_STRING'] ) AND $is_shop )          {                $link .= '?'.$_SERVER['QUERY_STRING'];              $len  = strlen( $link );              $substr = substr( $link, $len - 1 );              if ( '&' == $substr )              {                  $link = substr( $link, 0, $len - 1);              }          }           $this->_link = $link;      }        public function set_page_size ( $page_size )      {          if ( empty( $page_size ) )          {              $this->_page_size = 10;          }          else          {              $this->_page_size = (int) $page_size;          }      }        public function set_total ( $total )      {          $page_size = empty( $this->_page_size )?10:$this->_page_size;          $this->_total = $total;          if ( 0 == ( $total % $page_size ) )          {              $this->_total_page = intval( $total / $page_size );          }          else          {              $this->_total_page = intval( $total / $page_size ) + 1;          }          if ( $this->_page > $this->_total_page )          {              $this->_page = $this->_total_page;          }      }        public function set_current_page ( $page )      {          if ( empty( $page ) )          {              $this->_page = 1;          }          else          {              $this->_page = (int) $page;          }      }        public function get_next_page_btn ()      {          if ( $this->_page < $this->_total_page )          {              $link = '';              if ( strpos( $this->_link, '?' ) )              {                  $link = $this->_link.'&page='.( $this->_page + 1 );              }              else              {                  $link = $this->_link.'?page='.( $this->_page + 1 );              }              if ( $this->_admin )              {                  return '<a href="'.$link.'">下一页</a>';              }              else              {                  return '<li class="'.$this->_css_next.'"><a href="'.$link.'">下一页</a></li>';              }          }          if ( $this->_admin )              return '下一页&nbsp;»';          else              return '';      }        public function get_prev_page_btn ()      {          if ( $this->_page > 1 )          {              $link = '';              if ( strpos( $this->_link, '?' ) )              {                  $link = $this->_link.'&page='.( $this->_page - 1 );              }              else              {                  $link = $this->_link.'?page='.( $this->_page - 1 );              }              if ( $this->_admin )              {                  return '<a href="'.$link.'">上一页</a>';              }              else              {                  return '<li class="'.$this->_css_prev.'"><a href="'.$link.'">上一页</a></li>';              }          }          if ( $this->_admin )              return '«&nbsp;上一页';          else              return '';      }        public function get_current_page ()      {          if ( $this->_admin )              return '<strong>'.$this->_page.'</strong>';          else              return '<li class="'.$this->_css_curr.'"><a class="selected" href="javascript:void(0)">'.$this->_page.'</a></li>';      }        public function get_page_link ( $page )      {          $link = '';          if ( strpos( $this->_link, '?' ) )          {              $link = $this->_link.'&page='.$page;          }          else          {              $link = $this->_link.'?page='.$page;          }          if ( $this->_admin )          {              return '<a href="'.$link.'">'.$page.'</a>';          }          else          {              return '<li><a href="'.$link.'">'.$page.'</a></li>';          }      }        public function get_prev_pages ()      {          $pages = array();          $begin = $this->_page - $this->_grep;          if ( $begin < 1 )          {              $begin = 1;          }          elseif ( $begin > 2 )          {              $pages[] = $this->get_page_link( 1 );                          if ( $this->_admin )              {                  $pages[] = '&nbsp;...&nbsp;';              }              else              {                  $pages[] = '<li>...</li>';              }          }          elseif ( $begin == 2 )          {              $pages[] = $this->get_page_link( 1 );          }          for ( $i = $begin; $i < $this->_page; $i++ )          {              $pages[] = $this->get_page_link( $i );          }          return $pages;      }        public function get_next_pages ()      {          $pages = array();          $begin = $this->_page + 1;          if ( $begin < $this->_total_page )          {              $end = $begin + $this->_grep;              if ( $end > $this->_total_page )              {                  $end = $this->_total_page;              }              for ( $i = $begin; $i < $end; $i++ )              {                  $pages[] = $this->get_page_link( $i );              }              if ( $i < $this->_total_page )              {                  if ( $this->_admin )                  {                      $pages[] = '&nbsp;...&nbsp;';                  }                  else                  {                      $pages[] = '<li>...</li>';                  }                  $pages[] = $this->get_page_link( $this->_total_page );              }              else              {                  $pages[] = $this->get_page_link( $this->_total_page );              }          }          elseif ( $begin == $this->_total_page )          {              $pages[] = $this->get_page_link( $this->_total_page );          }          return $pages;      }        public function show ()      {          if ( $this->_total_page <= 1 )          {              return;          }          if ( $this->_admin )          {              echo '<p class="pagination">';              echo '<span>共有'.$this->_total.'条记录</span>';          }          else          {              echo '<ul class="'.$this->_css_page.'">';          }          echo $this->get_prev_page_btn();          $prev_pages = $this->get_prev_pages ();          if ( !empty( $prev_pages ) )          {              foreach ( $prev_pages as $page )              {                  echo $page;              }          }          echo $this->get_current_page();          $next_pages = $this->get_next_pages ();          if ( !empty( $next_pages ) )          {              foreach ( $next_pages as $page )              {                  echo $page;              }          }          echo $this->get_next_page_btn();          if ( $this->_admin )          {              echo '</p>';          }          else          {              echo '</ul>';          }      }  }