提取和插入运算符重载。一个有关VC++输入、输出流的程序，比较适合VC++初学者。以后我上传一系列这种类型的源程序供大家学习之用。-extraction and insertion Operator. One of the VC input and output streams procedure more suitable for beginners VC. After I uploaded a series of this type of source for all learning.