利用 JFrame的扩展类JTextAreaDemo 实现记事本分三段，可分类记录不相干内容-use of the extension of the class JFrame JTextAreaDemo achieve notebook IPP Records can be categorized as irrelevant

网站访问统计（多用户版） 能帮用户分析访问者所在地址、访问来路等等。-site visit statistics (multi-user version) can help the user to analyze where visitors addresses, etc. similar to visit.