PHP 数组分页

Posted

tags:

篇首语：本文由小常识网(cha138.com)小编为大家整理，主要介绍了PHP 数组分页相关的知识，希望对你有一定的参考价值。

<?php

  /************************************************************\
  *
  *	  PHP Array Pagination Copyright 2007 - Derek Harvey
  *	  www.lotsofcode.com
  *
  *	  This file is part of PHP Array Pagination .
  *
  *	  PHP Array Pagination is free software; you can redistribute it and/or modify
  *	  it under the terms of the GNU General Public License as published by
  *	  the Free Software Foundation; either version 2 of the License, or
  *	  (at your option) any later version.
  *
  *	  PHP Array Pagination is distributed in the hope that it will be useful,
  *	  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *	  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
  *	  GNU General Public License for more details.
  *
  *	  You should have received a copy of the GNU General Public License
  *	  along with PHP Array Pagination ; if not, write to the Free Software
  *	  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA	02111-1307	USA
  *
  \************************************************************/

  class pagination
  {
    var $page = 1; // Current Page
    var $perPage = 10; // Items on each page, defaulted to 10
    var $showFirstAndLast = false; // if you would like the first and last page options.
    
    function generate($array, $perPage = 10)
    {
      // Assign the items per page variable
      if (!empty($perPage))
        $this->perPage = $perPage;
      
      // Assign the page variable
      if (!empty($_GET['page'])) {
        $this->page = $_GET['page']; // using the get method
      } else {
        $this->page = 1; // if we don't have a page number then assume we are on the first page
      }
      
      // Take the length of the array
      $this->length = count($array);
      
      // Get the number of pages
      $this->pages = ceil($this->length / $this->perPage);
      
      // Calculate the starting point 
      $this->start  = ceil(($this->page - 1) * $this->perPage);
      
      // Return the part of the array we have requested
      return array_slice($array, $this->start, $this->perPage);
    }
    
    function links()
    {
      // Initiate the links array
      $plinks = array();
      $links = array();
      $slinks = array();
      
      // Concatenate the get variables to add to the page numbering string
      if (count($_GET)) {
        $queryURL = '';
        foreach ($_GET as $key => $value) {
          if ($key != 'page') {
            $queryURL .= '&'.$key.'='.$value;
          }
        }
      }
      
      // If we have more then one pages
      if (($this->pages) > 1)
      {
        // Assign the 'previous page' link into the array if we are not on the first page
        if ($this->page != 1) {
          if ($this->showFirstAndLast) {
            $plinks[] = ' <a href="?page=1'.$queryURL.'">«« First </a> ';
          }
          $plinks[] = ' <a href="?page='.($this->page - 1).$queryURL.'">« Prev</a> ';
        }
        
        // Assign all the page numbers & links to the array
        for ($j = 1; $j < ($this->pages + 1); $j++) {
          if ($this->page == $j) {
            $links[] = ' <a class="selected">'.$j.'</a> '; // If we are on the same page as the current item
          } else {
            $links[] = ' <a href="?page='.$j.$queryURL.'">'.$j.'</a> '; // add the link to the array
          }
        }
  
        // Assign the 'next page' if we are not on the last page
        if ($this->page < $this->pages) {
          $slinks[] = ' <a href="?page='.($this->page + 1).$queryURL.'"> Next » </a> ';
          if ($this->showFirstAndLast) {
            $slinks[] = ' <a href="?page='.($this->pages).$queryURL.'"> Last »» </a> ';
          }
        }
        
        // Push the array into a string using any some glue
        return implode(' ', $plinks).implode($this->implodeBy, $links).implode(' ', $slinks);
      }
      return;
    }
  }
?>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
  <meta http-equiv="content-type" content="text/html; charset=windows-1250">
  <title>PHP Array Pagination</title>
  <style>
  <!--
   body {
    font-family: Tahoma, Verdana, Arial, Sans-serif;
    font-size: 11px;
   }
   hr {
    border: 1px #ccc;
    border-style: none none solid none;
    margin: 20px 0;
   }
   a {
    color: #333;
    text-decoration: none;
   }
   a:hover {
    text-decoration: underline;
   }
   a.selected {
    font-weight: bold;
    text-decoration: underline;
   }
   .numbers {
    line-height: 20px;
    word-spacing: 4px;
   }
  //-->
  </style>
  </head>
  <body>
    <h1>PHP Array Pagination</h1>
    <hr  />
      <?php
        // Include the pagination class
        include 'pagination.class.php';
        // Create the pagination object
        $pagination = new pagination;
        
        // some example data
        foreach (range(1, 100) as $value) {
          $products[] = array(
            'Product' => 'Product '.$value,
            'Price' => rand(100, 1000),
          );
        }
        
        // If we have an array with items
        if (count($products)) {
          // Parse through the pagination class
          $productPages = $pagination->generate($products, 10);
          // If we have items 
          if (count($productPages) != 0) {
            // Create the page numbers
            echo $pageNumbers = '<div class="numbers">'.$pagination->links().'</div>';
            // Loop through all the items in the array
            foreach ($productPages as $productArray) {
              // Show the information about the item
              echo '<p><b>'.$productArray['Product'].'</b>   £'.$productArray['Price'].'</p>';
            }
            // print out the page numbers beneath the results
            echo $pageNumbers;
          }
        }
      ?>
      <hr />
      <p><a href="http://www.lotsofcode.com/php/projects/php-array-pagination" target="_blank">PHP Array Pagination</a> provided by <a href="http://www.lotsofcode.com/" target="_blank">Lots of Code</a></p>
  </body>
</html>

以上是关于PHP 数组分页的主要内容，如果未能解决你的问题，请参考以下文章

PHP基于数组的分页函数(核心函数array_slice())

php数组分页

php 从数组创建分页

PHP 通过数组项目分页

PHP 数组分页

php数组分页