掌握标准输入输出（iostream库中标准对象cin、cout）的使用

掌握IO流类成员函数输入输出（cin.get, cin.getline, cin.read cout.put, cout.write）的使用

掌握输出格式（标准控制符、IO流类成员函数、iomanip头文件中的控制符）控制方法

掌握磁盘文件的输入输出方法-Master the standard input and output (iostream library standard objects cin, cout) use IO streams master class member function input and output (cin.get, cin.getline, cin.read　cout.put, cout.write) use master output format (standard control characters, IO stream class member functions, iomanip header file control characters) control method to master disk file input and output methods