通过php的ftp函数上传文件

//ftp，使文件传到服务器上
	protected function ftp_send($des,$src)
	{
		$ftp_ip   = 'ip地址';
		$ftp_user = 'ftp用户名';
		$ftp_pass = 'ftp密码';
		
		$conn_id = ftp_connect($ftp_ip) or die("Couldn't connect to $ftp_ip");

		if(@ftp_login($conn_id, $ftp_user, $ftp_pass)) 
		{
			
			$path = dirname($des);
			
			if (!ftp_chdir($conn_id, $path)) 
			{
				ftp_mkdir($conn_id,$path);
			}
			
		    $upload = ftp_put($conn_id,$des,$src,FTP_BINARY);
		    if($upload)
		    {
		    	ftp_close($conn_id);
		    }
		    else
		    {
		    	exit('ftp error!');
		    }
		   
		} 
		else
		{
		    echo "Couldn't connect as $ftp_user\n";
		    exit;
		}
		
	}