文件操作 读写 输出 复制 加密 链接 和一些实例-Copy the encrypted file operations to read and write the output link, and some examples

基于MFC的电话本程序编程，可以实现名片的编辑、修改、添加等功能，本程序具有加密登录功能，并通过SOCKET编程，实现两台相连的电脑的名片交换和网络复制功能。-Phone book based on the MFC programming, can achieve the card s function such as edit, modify, add, this program is encrypted login function, and through SOCKET programmi