如果你需要实现多个视图的窗口的显示,那么看看这个是有好处的.这个程序虽然简单,但是他告诉了你怎样去操作多个视图的转换.-If you need to achieve multiple views of the display window, then look at this is a good thing. This procedure is simple, but he tells you how to operate the various View conversion.