all = $all;
        $this->now = $now;
        $this->seletor = $seletor;
        $this->url = $url;
        if($this->now > $this->all ){
            $this->all = 0;
        }
        if($this->now < 1){
            $this->now = 1;
        }
    }
    public function display(){
        $str = "
";
//         if($this->all == 0){
//             $str.="
没有相关记录
";
//         }else{
            if($this->all == 1){
                $str.="
1(current)
";
            }else{
                if($this->now > 1 && $this->now < 6){
                    $str.="
第一页
                            
«
";
                    for($i = 1; $i < $this->now; $i++) {
                        $str.="
{$i}
";
                    }
                }elseif($this->now >= 6){
                    $str.="
第一页
                    
«
                    
...
";
                    for($i = $this->now-4; $i < $this->now; $i++) {
                        $str.="
{$i}
";
                    }
                }
                $str.="
{$this->now}(current)
";
                if($this->all - $this->now > 4) {
                    for($i = $this->now + 1; $i <= $this->now + 4; $i++) {
                        $str.="
{$i}
";
                    }
                    $str.="
                    
...
                    
»
                    
最后页
                    ";
                }elseif($this->all - $this->now >= 1){
                    for($i = $this->now + 1; $i <= $this->all; $i++) {
                        $str.="
{$i}
";
                    }
                    $str.="
»
                            
最后页
";
                }
            }
            $str.=" 跳到页
                    GO
                    
                    
                ";
            $str.= "";
//         }
                    
        return $str;
    }
}


?>

我想问问这种分页什么意思 怎么有js代码