/************定义__toString方法,把对象解析成字符串******/
public function __toString(){
return $this->pageShow;
}
/************获得当前页页码,$p用来接收$_GET['p']*******/
public function getPageNow($p){
if(!isset($p)){
$this->pageNow = 1;
}else if($p>0){
$this->pageNow = $p;
}else{
die("page number error");
}
return $this->pageNow;
}
/***********************设置当前页面链接***************/
public function getUrl(){
$url = "http://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];