PageDao.java表示web分页条，源码中提供了三种分页格式，可以直接调用；另外一个java文件和jsp文件，则是SSH框架结合JSON+AJAX；三个cpp文件则是可以直接运行的算法源码-PageDao.java web page article indicates, the source code provides three tabbed format, you can directly call　another java files and jsp files, it is the combination of SSH framework JSON+ AJAX　three cpp file is the algorithm source code can be run directly