探测某主机开放端口的图形界面的小程序，本人的第一个做的程序，有些地方不完善，不过是个参考的好东西，包括使用了进度条等很多Swing的图形编程。-detection of a host of open ports graphical interface small programs, the first one I do the procedures, some imperfections, but is a reference to the good things, the progress, including the use of as many Swing graphical programming.