实现制作一个通讯录功能，还有对通讯录的增删改操作，以及对数据文件的读取和改写，该代码采用多文件的方式，分成多个模块-Making an address book function, CRUD operations on contacts, as well as the data file read and rewrite the code using the multi-file into multiple modules

用ASP，NET开发的通讯录能够基本的完成对好友的增删改查以及其他功能-Using ASP, NET developers contacts can complete basic CRUD friends and other features

smarty模板简单实现留言板的增删改查功能-Simple Smarty template to realize message board crud functions

JavaEE (CRUD) layer implementation