通过设计简单的电话薄管理程序，实现在电话号码簿中查找、添加、删除和显示等操作，以电子显示的方式使电话号码簿的使用变得便捷。-By designing a simple phone book management program to achieve in a telephone directory to find, add, delete and display operations, the way of electronic display becomes easy to make use