public function uploadimg(){
    	if (IS_POST) {
    		$data = I('post.');
    			$data = I('post.');
				$config = array(
			        'mimes'         =>  array(), //允許上傳的檔案MiMe型別
			        'maxSize'       =>  0, //上傳的檔案大小限制 (0-不做限制)
			        'exts'          =>  array('jpg','png','jpeg','gif'), //允許上傳的檔案字尾
			        'autoSub'       =>  true, //自動子目錄儲存檔案
			        'subName'       =>  array('date', 'Y-m-d'), //子目錄建立方式，[0]-函式名，[1]-引數，多個引數使用陣列
			        'rootPath'      =>  './Uploads/Pic/', //儲存根路徑
			        'savePath'      =>  '', //儲存路徑
	    		);

				$upload = new \Think\Upload($config);
				$info = $upload->upload();
	    		foreach ($data as $key => $value) {}
				foreach ($info as $key => $v) {}
				for($i=0 ; $i < count($value) ; $i++){
	    			$batch['pt_time'] = time();
					$batch['pt_show'] = 0;
					$batch['pt_name'] = $data['pt_name'][$i];
					$batch['pt_website'] = $data['pt_website'][$i];
					$batch['pt_flag'] = $data['pt_flag'][$i];
					$batch['pt_img'] = '/Uploads/Pic'.'/'.$info[$i]['savepath'].$info[$i]['savename'];
    				M('Photos')->add($batch);
				}
				$this->redirect('edit',array('flag'=>7));
				
				
    	}else{
    		$this->display();
    	}
    }
 

 <input name="pt_img[]"  type="file"  />