PHP简单分页

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	/**
	 * 自定义分页方法
	 * @param unknown_type $url		#分页url，页码采用'%s'表示，例如：http://test.ebers.com/tags/xxx/%s/
	 * @param unknown_type $cur_page		#当前页码
	 * @param unknown_type $page_fix		#当前页码前后需要显示多少个页码
	 * @param intval $total_rows			#数据总数
	 * @param intval $pagesize 		#每页显示多少数据
	 * @param string $cur_page_calss 		#当前页css样式名称
	 */
	public function pagenation($url, $cur_page=1, $page_fix=2, $total_rows=0, $pagesize=10, $cur_page_calss='disable'){
		#计算总页数
		$pagesize = $pagesize>0?$pagesize:10;
		$total_page = ceil($total_rows / $pagesize);
		
		$code = '';
		if($total_page>1){
			$pager = array();
			#首页
			$pager[] = sprintf( '<ul><li><a href="%s">首页</a></li>', sprintf($url, 1) );
			
			#页码列表
			for($page_num=$cur_page-$page_fix; $page_num<$cur_page+$page_fix; $page_num++){
				if($page_num<1 || $page_num>$total_page){
					continue;
				}
				$pager[] = sprintf( '<li class="%s"><a href="%s">%s</a></li>', ( $page_num==$cur_page?$cur_page_calss:'' ), sprintf($url, $page_num), $page_num );
			}
			
			#末页
			$pager[] = sprintf( '<li><a href="%s">末页</a></li><li>共%s条，第%s/%s页</li></ul>', sprintf($url, $total_page), $total_rows, $cur_page, $total_page );
			
			$code = implode("\n", $pager);
			unset($pager);
		}
		
		return $code;
	}