构造一颗机构树根据用户权限返回这个树,用于java中根据用户权限返回不同的树菜单-tree structure a body of users to return to the tree authority for java based user privileges to different menu tree

简单的对话框创建菜单的运行程序，比较简单-create menu

用于创建窗口，完整的doc程序，非常好用-Used to create the window, full doc program, very easy to use