http://bbs.9ria.com/thread-86464-1-1.html 具体可以参考源文件 http://files.cnblogs.com/zack/%E4%BC%98%E5%8C%96%E6%8E%89%E9%94%AF%E9%BD%BF%E4%BB%A5%E5%90%8E%E7%9A%84%E6%A0%BC%E5%AD%90AStar.zip 转载于:https://www.cnblogs.com/zack/archive/2011/06/25/2090205.html