jbuilder下开发的等待提示线程，如果你的程序执行很慢，可以挂一个等待线程动画，这个的GIF动画一般，可以根据需要改写，内附使用说明。-JBuilder under development suggest waiting threads, if your procedure is very slow, and can carry a thread wait for animation, the GIF animation in general, it may need to be rewri