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/**


 * 功能：上传文件


 * 参数


 * $obj  : 提交$this 对象


 * $file : 上传控件的名字


 * $dir  : 上传路径


 * $filename :  上传的文件名


 *  


 */





function ik_upload($obj,$file='userfile',$dir,$filename=''){


/*


	switch ($filename) {


		case 'system.test':break;


		case 'b.jpg':break;


		default: echo "<script>alert('NO File!');</script>";exit;


	}


*/


	  $config['upload_path'] = $dir;


	  $config['allowed_types'] = 'txt|bak|import|patch|lib|zip|rar'; //只允许上传类型


	  $config['file_name'] = $filename;


	  $config['overwrite'] = TRUE; 





      //print_r($config);exit;


	  


	  $obj->load->library('upload', $config);


	  if (!$obj->upload->do_upload($file))


	  {


	   $data = array('error' => $obj->upload->display_errors());


	  } 


	  else


	  {


	   $data = array('upload_data' => $obj->upload->data());


	  // echo "<script>alert('upload ok!');history.back();<//script>";


	  } 


	 //print_r($data);


	 if(isset($data['error'])){


	     //echo "<script>alert('上传文件失败！');history.back();<//script>;";


		 return false;


	 }else{


	    return true;


	 }


}

//编辑保存


	public function save(){


		shellControl($this->shellmodel,'rename '.$_POST['old_bakname'].' '.$_POST['bakname'],'',false);


		echo json_encode($_POST);


	}

/* 


 @功能：对shell命令的操作进行二次封装


 @参数：


   $model--对应模块


   $shell--shell命令    


   $data --拼接数据


 @返回：string or array


 @data:20140211 by tian


 >/dev/null 2>/dev/null &


*/





function shellControl($model,$shell,$data=array(),$return=true){   //默认有返回值的


	 if(!$data){


			  $str = '';


		  }else{


              if(!is_array($data))return false;


			  $key = array_keys($data);


			  $val = array_values($data);


			  $str = '';


			  foreach($key as $k=>$v){


				//$str .= $v.'="'.$val[$k].'" ';


			  	$str .= $v."='".$val[$k]."' ";


			  }


		  }


			  $redirt = '>/dev/null 2>/dev/null &'; 


			  if(!$return){


			     ikExec($model,$shell." ".trim($str).' '.$redirt);//重定向没有返回值


				 //echo sqlMsg();exit;


			  }else{


			     $res = json_decode(ikExec($model,$shell." ".trim($str)),true);


			  }


			  


			  return $return?$res:'ok';//暂时返回OK


}