ThinkPHP抽出来的分页类

代码片段

jquery带商品分类侧边栏列表的商城导航菜单

这是一款使用jquery制作的带商品分类侧边栏列表的商城导航菜单。该商城菜单兼容ie8浏览器。用户可以通过点击左侧的下拉菜单来查看各种商品的列表，非常实用和方便。 使用方法 在页面中引入样式文件style.css和jquery.min.js文件。

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1. [图片] default_theme.jpg    

2. [图片] theme_1.jpg    

3. [文件]     demo_ajax.php ~ 805B          

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);

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4. [文件]     page.class.php ~ 7KB    

'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)
				$upPage='function_name.'('.$upRow.');>'.$this->config['prev'].'';//ajax方式
			else
				$upPage=''.$this->config['prev'].'';
        }else{
            $upPage='';
        }

        if ($downRow <= $this->totalPages){
			if($this->AjaxType)
				$downPage='function_name.'('.$downRow.');>'.$this->config['next'].'';//ajax方式
			else
				$downPage=''.$this->config['next'].'';
        }else{
            $downPage='';
        }
        // << < > >>
        if($this->nowPage == 1){
            $theFirst = '';
            $prePage = '';
        }else{
            $preRow =  $this->nowPage-$this->rollPage;
			if($this->AjaxType)
				$theFirst = 'function_name.'(1);>'.$this->config['first'].'';//ajax方式
			else
            	$theFirst = ''.$this->config['first'].'';
        }
        if($this->nowPage == $this->totalPages){
            $nextPage = '';
            $theEnd='';
        }else{
            $nextRow = $this->nowPage+$this->rollPage;
            $theEndRow = $this->totalPages;
			if($this->AjaxType)
				$theEnd = 'function_name.'('.$theEndRow.');>'.$this->config['last'].'';//ajax方式
			else
            	$theEnd = ''.$this->config['last'].'';
        }
        // 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)
						$linkPage .= ' function_name.'('.$page.');> '.$page.' ';//ajax方式
					else
                    	$linkPage .= '  '.$page.' ';
                }else{
                    break;
                }
            }else{
                if($this->totalPages != 1){
                    $linkPage .= ' '.$page.'';
                }
            }
       	  }
		}
		//jump page
		if($this->isJumpPage){
			$jump = 'nowPage.'\'>';
			$jump .='nowPage.')\'>';
			$jump .='';
		}
        $pageStr=str_replace(
        array('%header%','%nowPage%','%totalRow%','%totalPage%','%upPage%','%downPage%','%first%','%prePage%','%linkPage%','%nextPage%','%end%','%jump%'),
        array($this->config['header'],$this->nowPage,$this->totalRows,$this->totalPages,$upPage,$downPage,$theFirst,$prePage,$linkPage,$nextPage,$theEnd,$jump),$this->config['theme']);
        return $pageStr;
    }
	
}

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