利用MFC创建一个单文档应用程序，实现一个电话本软件。每次输入一个人名，空格键，电话号码，可以将输入字符显示在客户区。点击回车键后，在主菜单后添加一个弹出菜单，标题为“电话本”，并以输入的人名做为菜单项的标题。当点击某菜单项时，可将菜单项所对应人名及其电话号码显示在客户区。-Use MFC to create a single document application, the realization of a phone book software. Each time you enter a name, the space bar, phone number, can be input characters are displayed in the client area. Click the Enter key, at the main menu to add after a popup menu, titled" phone book", and to enter the name as the caption of the menu item. When you click on a menu item, the menu item corresponding to the name and telephone number is displayed on the client area.