1.用户可以登录注册 2.高级权限的用户可以发报黑板报,板报除了基本的属性以外还需要有:生效时间,失效时间,发布者 3.所有用户登录后的主页面都显示当前处理有效时间范围内的板报(在生效时间到失效时间之间）。-User can login registered 2 senior privileges transmitters to Blackboard blackboard newspaper is also needed in addition to the basic proper

Flex4.5滑屏效果，类似于触摸屏读报系统的滑屏效果，新建一个Flex项目，将源码拷入即可预览。-Flex4.5 sliding screen effect, similar to the touch-screen systems newspaper sliding screen effect, create a new Flex project, you can preview the source copyed.