通用分页类
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2022-05-27 16:53:24
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通用分页类(以Codeigniter测试) CodeIgniter ?php if( ! defined('BASEPATH')) die('No Access');/** * 分页类 * * @author wangaibowangaibo@boqii.net * @version 1.0.0 * @link http://www.du52.com/text.php?id=551 */class Page_list { /** * 总数据 *
通用分页类(以Codeigniter测试) CodeIgniter
* @version 1.0.0 * @link http://www.du52.com/text.php?id=551 */ class Page_list { /** * 总数据 * @var int */ private $total; /** * 每页显示数据 * @var int */ private $size; /** * 当前页数 * @var int */ private $page; /** * 页数列表左右页数 * @var int */ private $len; /** * 总页数 * @var int */ private $page_total; /** * 页码列表 * @var array */ private $page_list; /** * 基准地址 * @var string */ private $base_url; /** * 替换标志 * @var string */ private $place; /** * 分页样式 * @var string */ private $style; /** * 构造函数 * * @param array $config 配置数组 */ public function __construct($config = array()){ // 初始化默认值 $this->total = 0; $this->size = 20; $this->page = 1; $this->len = 4; $this->page_total = 1; $this->page_list = array(); $this->base_url = '?page=-page-'; $this->place = '-page-'; $this->style = $this->get_default_style(); $this->initialize($config); } /** * 初始化分页 * * @param array $config 配置数组 */ public function initialize($config = array()){ // 取得配置值 if(is_array($config)){ if(array_key_exists('total', $config)) $this->total = @intval($config['total']); if(array_key_exists('size', $config)) $this->size = @intval($config['size']); if(array_key_exists('page', $config)) $this->page = @intval($config['page']); if(array_key_exists('len', $config)) $this->len = @intval($config['len']); if(array_key_exists('base_url', $config)) $this->base_url = @strval($config['base_url']); if(array_key_exists('place', $config)) $this->place = @strval($config['place']); if(array_key_exists('style', $config)) $this->style = @strval($config['style']); } // 修正值 if($this->totaltotal = 0; if($this->sizesize = 20; if($this->pagepage = 1; if($this->lenlen = 4; // 执行分页算法 $this->page_total = ceil($this->total/$this->size); if($this->page_totalpage_total = 1; if($this->page>$this->page_total) $this->page = $this->page_total; if($this->page-$this->len>=1){ for($i=$this->len; $i>0; $i--){ $this->page_list[] = $this->page - $i; } }else{ for($i=1; $ipage; $i++){ $this->page_list[] = $i; } } $this->page_list[] = $this->page; if($this->page+$this->lenpage_total){ for($i=1; $ilen; $i++){ $this->page_list[] = $this->page + $i; } }else{ for($i=$this->page+1; $ipage_total; $i++){ $this->page_list[] = $i; } } } /** * 默认分页样式 * * @return string */ public function get_default_style(){ $style = ''; return $style; } /** * 是否是第一页 * * @return bool */ public function is_first_page(){ return $this->page == 1; } /** * 获取第一页页码 * * @return int */ public function get_first_page(){ return 1; } /** * 是否是最后一页 * * @return bool */ public function is_last_page(){ return $this->page == $this->page_total; } /** * 获取最后一页页码 * * @return int */ public function get_last_page(){ return $this->page_total; } /** * 是否存在上一页 * * @return bool */ public function has_prev_page(){ return $this->page > 1; } /** * 是否存在下一页 * * @return bool */ public function has_next_page(){ return $this->page page_total; } /** * 获取上一页页码 * * @return int */ public function get_prev_page(){ return $this->has_prev_page() ? $this->page - 1 : $this->page; } /** * 获取下一页页码 * * @return int */ public function get_next_page(){ return $this->has_next_page() ? $this->page + 1 : $this->page; } /** * 获取当前页页码 * * @return int */ public function get_curr_page(){ return $this->page; } /** * 获取总数据数 * * @return int */ public function get_total(){ return $this->total; } /** * 获取每页显示数据数 * * @return int */ public function get_size(){ return $this->size; } /** * 获取总页数 * * @return int */ public function get_total_page(){ return $this->page_total; } /** * 构建并返回分页代码 * * @param string $base_url 基准地址 * @param string $place 替换标志 * @param string $style 分页样式 * @return string 分页HTML代码 */ public function display($base_url = '', $place = '', $style = ''){ if($base_url==='') $base_url = $this->base_url; if($place==='') $place = $this->place; if($style==='') $style = $this->style; $str = $style.''; if( ! $this->is_first_page()){ $str .= '首页'; } if($this->has_prev_page()){ $str .= '上一页'; } foreach($this->page_list as $v){ if($v==$this->page){ $str .= '' . $v . ''; }else{ $str .= ''.$v.''; } } if($this->has_next_page()){ $str .= '下一页'; } if( ! $this->is_last_page()){ $str .= '尾页'; } $str .= ''; return $str; } } ?>
load->helper('url'); $page = $this->input->get('page'); $page = @intval($page); if($pageload->library('page_list',array('total'=>10000,'size'=>16,'page'=>$page)); $pl = $this->page_list->display(site_url('pagelist/page/page/-page-')); $this->load->view('pagelist', array('pl' => $pl)); } } ?>
分页测试