摘要：cats = $this->select();//将获取到的所有数据放到空数组 } public function getTree($parent_id=0,$lev=0){ $tree = array();//声明空数组 foreach($this->cats as $k=>$v){//遍历获取的数据 if($v... 阅读全文

摘要：hasItem($goods_id)){ return $this->incNum($goods_id , $num); } $this->items[$goods_id] = array();//此时items为二维数组 $this->items[$goods_id]['goods_name'] = $goods_name... 阅读全文

摘要：single = mt_rand(1,10000);//测试代码 } //获取实例。开发一个方法供外部调用 public static function getIns(){ //判断$ins是否是自身的实例 // if(!(self::$ins instanceof self)){ if(self::$ins === nul... 阅读全文