压缩包中包括了5个java小程序，代码以前有相应的说明。因为急需本站的某个程序，所以也许质量不高，请谅解。如通过，以后必将继续努力-compression package includes a five java small program code used to be a corresponding note. Because of the urgent need for a particular site, and therefore perhaps not high quality, understanding. If passed, the future will continue efforts