ThinkPHP抽出来的分页类

代码片段

1. [图片] default_theme.jpg

2. [图片] theme_1.jpg

3. [文件] demo_ajax.php ~ 805B

<?php
require_once 'mysql.class.php';
require_once 'page.class.php';
require_once 'config.php';

$mysql = new MySQL(DB_HOST_NAME,DB_USER_NAME,DB_PASS_WORD,DB_DATABASE_NAME);

$pagenum = isset ( $_REQUEST ['page'] ) ? $_REQUEST ['page'] : 1;
$page_row = 5;//每页显示条数
$count = $mysql->count ( "select id from ajax" );//总数

$p = new Page ($count,$page_row,7);

$p->AjaxType = true;
$p->isJumpPage = true;
//$p->function_name = 'yourself';
$p->setConfig('theme','%totalRow% %header% %nowPage%/%totalPage% 页%first% %upPage% %linkPage% %downPage% %end% %jump%');

$sql = "select * from ajax limit ".($pagenum-1)*$page_row.",".$page_row;
$result = $mysql->query ( $sql );

$return_data['data'] = $result;
$return_data['page'] = $p->show();

echo json_encode($return_data);

4. [文件] page.class.php ~ 7KB

<?php
// +----------------------------------------------------------------------
// |分页类
// +----------------------------------------------------------------------
// | Author: justmepzy(justmepzy@gmail.com)
// +----------------------------------------------------------------------
class Page{
	// 起始行数
    public $firstRow;
    // 列表每页显示行数
    public $listRows;
    // 分页总页面数
    protected $totalPages;
    // 总行数
    protected $totalRows;
    // 当前页数
    protected $nowPage;
	// 分页的栏的总页数
    protected $coolPages;
	// 分页栏每页显示的页数
    protected $rollPage;
	//是否显示linkpage
	protected $isShowLinkPage = FALSE;
	//是否显示输入页数跳转
	public $isJumpPage = FALSE;
	//是否使用Ajax,默认不使用
	public $AjaxType = FALSE;
	//JavaScript中使用的获取数据方法名
	public $function_name = 'ajax_page';
	// 分页显示定制
    protected $config = array('header'=>'条记录','prev'=>'上一页','next'=>'下一页','first'=>'首页','last'=>'末页','theme'=>' %totalRow% %header% %nowPage%/%totalPage% 页 %upPage% %downPage% %first%  %prePage%  %linkPage%  %nextPage% %end% %jump%');
	/**
     +----------------------------------------------------------
     * 
     +----------------------------------------------------------
     * @access public
     +----------------------------------------------------------
     * @param array $totalRows  总的记录数
     * @param array $listRows  每页显示记录数
     * @param array $rollpage  是否显示linkpage条数
     +----------------------------------------------------------
     */
	public function __construct($totalRows,$listRows,$rollpage){
		$this->totalRows = $totalRows;
        $this->listRows = $listRows;
		$this->rollPage = $rollpage;
		$this->listRows = !empty($listRows)?$listRows:10;
		$this->isShowLinkPage = empty($rollpage)?false:true;
        $this->totalPages = ceil($this->totalRows/$this->listRows);     //总页数
		$this->coolPages  = ceil($this->totalPages/$this->rollPage);
        $this->nowPage  = !empty($_REQUEST['page'])?$_REQUEST['page']:1;
        if(!empty($this->totalPages) && $this->nowPage>$this->totalPages) {
            $this->nowPage = $this->totalPages;
        }
        $this->firstRow = $this->listRows*($this->nowPage-1);
		
	}
	/**
     +----------------------------------------------------------
     * 设置显示样式
     +----------------------------------------------------------
     * @access public
     +----------------------------------------------------------
     */
	public function setConfig($name,$value) {
        if(isset($this->config[$name])) {
            $this->config[$name]    =   $value;
        }
    }
	/**
     +----------------------------------------------------------
     * 分页显示输出
     +----------------------------------------------------------
     * @access public
     +----------------------------------------------------------
     */
    public function show() {
        if(0 == $this->totalRows) return '';
		$p = 'page';
		$nowCoolPage      = ceil($this->nowPage/$this->rollPage);
		$request_url = $_SERVER['REQUEST_URI'];
		
		if(strpos($request_url,'?')){
			$url  =  $request_url;
		}else{
			$url  =  $request_url.'?';
		}
		
        $parse = parse_url($url);
        if(isset($parse['query'])) {
            parse_str($parse['query'],$params);
            unset($params[$p]);
            $url   =  $parse['path'].'?'.http_build_query($params);
        }
        
        //上下翻页字符串
        $upRow   = $this->nowPage-1;
        $downRow = $this->nowPage+1;
        if ($upRow>0){         
			if($this->AjaxType)
				$upPage='<a href=javascript:'.$this->function_name.'('.$upRow.');>'.$this->config['prev'].'</a>';//ajax方式
			else
				$upPage='<a href=\''.$url.'&'.$p.'='.$upRow.'\'>'.$this->config['prev'].'</a>';
        }else{
            $upPage='';
        }

        if ($downRow <= $this->totalPages){
			if($this->AjaxType)
				$downPage='<a href=javascript:'.$this->function_name.'('.$downRow.');>'.$this->config['next'].'</a>';//ajax方式
			else
				$downPage='<a href=\''.$url.'&'.$p.'='.$downRow.'\'>'.$this->config['next'].'</a>';
        }else{
            $downPage='';
        }
        // << < > >>
        if($this->nowPage == 1){
            $theFirst = '';
            $prePage = '';
        }else{
            $preRow =  $this->nowPage-$this->rollPage;
			if($this->AjaxType)
				$theFirst = '<a href=javascript:'.$this->function_name.'(1);>'.$this->config['first'].'</a>';//ajax方式
			else
            	$theFirst = '<a href=\''.$url.'&'.$p.'=1\' >'.$this->config['first'].'</a>';
        }
        if($this->nowPage == $this->totalPages){
            $nextPage = '';
            $theEnd='';
        }else{
            $nextRow = $this->nowPage+$this->rollPage;
            $theEndRow = $this->totalPages;
			if($this->AjaxType)
				$theEnd = '<a href=javascript:'.$this->function_name.'('.$theEndRow.');>'.$this->config['last'].'</a>';//ajax方式
			else
            	$theEnd = '<a href=\''.$url.'&'.$p.'='.$theEndRow.'\' >'.$this->config['last'].'</a>';
        }
        // 1 2 3 4 5
		if($this->isShowLinkPage){
			$linkPage = '';
        	for($i=1;$i<=$this->rollPage;$i++){
            $page=($nowCoolPage-1)*$this->rollPage+$i;
            //保证linkpage保持当前页不是最后一个
            if($this->nowPage%$this->rollPage ==0 ){
            	$page = ($nowCoolPage-1)*$this->rollPage+$i+$this->rollPage-1;
            }
            if($page!=$this->nowPage){
                if($page<=$this->totalPages){
					if($this->AjaxType)
						$linkPage .= '&nbsp;<a href=javascript:'.$this->function_name.'('.$page.');>&nbsp;'.$page.'&nbsp;</a>';//ajax方式
					else
                    	$linkPage .= '&nbsp;<a href=\''.$url.'&'.$p.'='.$page.'\'>&nbsp;'.$page.'&nbsp;</a>';
                }else{
                    break;
                }
            }else{
                if($this->totalPages != 1){
                    $linkPage .= '&nbsp;<span class=\'currentpage\'>'.$page.'</span>';
                }
            }
       	  }
		}
		//jump page
		if($this->isJumpPage){
			$jump = '<input type=\'text\' id=\'jumppage\' value = \''.$this->nowPage.'\'>';
			$jump .='<input type=\'button\' id=\'jumppagebutton\' value=\'GO\' onclick=\'go_page('.$this->nowPage.')\'>';
			$jump .='<script>function go_page(page){var jumptopage = document.getElementById(\'jumppage\').value;var topage;';
			$jump .='if(jumptopage==page||isNaN(jumptopage)){return false;}else{ ';
			$jump .='if(jumptopage>'.$this->totalPages.'){topage = '.$this->totalPages.'}';
			$jump .='else if(jumptopage<1){topage = 1;}else{topage = jumptopage;}';
			if($this->AjaxType){
				$jump .= $this->function_name.'(topage);';
			}else{
				$jump .='window.location.href = \''.$url.'&'.$p.'=\'+topage;';
			}
			$jump .='}}</script>';
		}
        $pageStr=str_replace(
        array('%header%','%nowPage%','%totalRow%','%totalPage%','%upPage%','%downPage%','%first%','%prePage%','%linkPage%','%nextPage%','%end%','%jump%'),
        array($this->config['header'],$this->nowPage,$this->totalRows,$this->totalPages,$upPage,$downPage,$theFirst,$prePage,$linkPage,$nextPage,$theEnd,$jump),$this->config['theme']);
        return $pageStr;
    }
	
}