实现电话号码查询　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，分别以电话号码和用户名为关键字建立散列表；
3)　　　采用一定的方法解决冲突；
4)　　　查找并显示给定电话号码的记录；
5）　查找并显示给定用户名的记录。(To achieve the telephone number inquiry, each record is provided with the following data items: telephone number, user name and address;
2) enter each record from the keyboard, and establish the Hash list by phone number and user name respectively;
3) adopt a certain method to solve the conflict;
4) find and display a record of a given phone number;
5) find and display a record of a given user name.)