boolean commandPORT()
	    {
	        int p1 = 0;
	        int p2 = 0;
	        int[] a = new int[6];//存放ip+tcp
	        int i = 0;             //
	        try
	        {
	            while((p2 = param.indexOf(",",p1))!=-1)//前5位
	            {
	                 a[i] = Integer.parseInt(param.substring(p1,p2));
	                 p2 = p2+1;
	                 p1 = p2;
	                 i++;
	            }
	            a[i] = Integer.parseInt(param.substring(p1,param.length()));//最后一位
	        }
	        catch(NumberFormatException e)
	        {
	            reply = "501 参数语法错误";
	            return false;
	        }
	        
	        remoteHost = a[0]+"."+a[1]+"."+a[2]+"."+a[3];
	        remotePort = a[4] * 256+a[5];
	        reply = "200 命令正确";
	        return false;
	    }//commandPort() end