建立一个通讯录系统，系统中保存着各人员的姓名、电话、住址、邮编等信息，通过该系统的界面可以浏览这些信息，也可以插入、添加、搜索及删除某个人员的信息-An address book system, the system maintains all the names, phone, address, zip code and other information through the system interface can view this information, you can also