(1) 设每个记录有下列数据项：电话号码、用户名、地址；
(2) 从键盘输入各记录，分别以电话号码为关键字建立散列表；
(3) 采用线性探测再散列法解决冲突；
(4) 查找并显示给定电话号码的记录；
(5) 通讯录信息文件保存；
(6) 要求人机界面友好，使用图形化界面；((1) set the following data items for each record: telephone number, username, and address;
(2) input each record from the keyboard and set up a Hash list with the telephone number as the key.
(3) the linear detection and re hash method is used to solve the conflict.
(4) find and display the record of a given phone number;
(5) the information file of the address book is saved.
(6) the human-machine interface is friendly and the graphical interface is used.)