{
if (is_object($vis)) {
unset($this->visitor[spl_object_hash($vis)]);
}
}
/**
* 访问者访问元素接口
* @param Object $vistor
*/
public function handler($vistor)
{
foreach ($this->visitor as $obj) {
$obj->accept($vistor);
}
}
}
///创建访问者管理对象
$os = new ObjectStructure();
///创建具体元素
$pc = new PCBrowser();
$pc->name = '360';
$os->addVisitor($pc);
///创建具体元素
$mb = new MBBrowser();
$mb->name = 'uc';
$os->addVisitor($mb);
///创建访问者
$vistor = new EquipmentAnalyze();
///作用于$os->visitor集合的各个元素
$os->handler($vistor);
