demo_2_io_format_1_a.cpp

来自「对于一个初涉VC＋＋的人来书」· C++ 代码 · 共 35 行

//***************************************************
// 用操纵符进行格式化输出
//***************************************************

# include <iostream.h>
# include <iomanip.h>

int main()
{
	int a=123;
	double b=123.456;

	cout<<setiosflags(ios::uppercase)<<hex;
	cout<<a<<endl;
	cout<<setprecision(5)<<dec;
	cout<<b<<endl;

	char str[10];
	cout<<setw(20)<<setfill('*');
	cout<<"Input a string:"<<endl;
	cin>>ws>>str; //格式化输入
	cout<<str<<endl;

	return 0;
}

/*
7B
123.46
*****Input a string:
     Do a test.
Do
Press any key to continue
*/