自己整理的一些java工具类包括文件处理，时间函数,日期处理,IO处理,Hibernaet处理,配置文件读取,数据库处理等功能，还是挺有用的-Java organize some of their own tools, including document processing, a function of time, date, treatment, IO handle, Hibernaet deal, read configuration files, databases and other