通信录由以下几项数据信息构成：

数据项 类型

姓名 字符串

地址 字符串

邮政编码 字符串

电话号码 字符串

试为通信录数据定义类型和定义通信录变量，

实现功能：存取、显示、删除记录、查询记录等功能。

-Communications were recorded by the following data: the data string of the type of name address phone number string string string zip code for the communications test recorded in the definition of the type and definition of data communication variables were recorded, the realization of functions: access, display, delete records For inquiries, records and other functions.