p11_3.cpp

来自「相当丰富的C++源码」· C++ 代码 · 共 39 行

/************************************************
* 程序名：p11_3.cpp                              *
* 功能： 揭开格式标志的秘密                     *
*                    By Antony                  *
*                     8-19-2006                  *
*************************************************/
# include <iostream>
using namespace std;
struct fmtflags {
            long flag;
			char flagname[12];
} flags[18]={{ios::hex,"hex"},
			{ios::dec,"dec"},
			{ios::oct,"oct"},
			{ios::basefield,"basefield"},
			{ios::internal,"internal"},
			{ios::left,"left"},
			{ios::right,"right"},
			{ios::adjustfield,"adjustfield"},
			{ios::fixed,"fixed"},
			{ios::scientific,"scientific"},
			{ios::basefield,"basefield"},
			{ios::showbase,"showbase"},
			{ios::showpoint,"showpoint"},
			{ios::showpos,"showpos"},
			{ios::skipws,"skipws"},
			{ios::uppercase,"uppercase"},
			{ios::boolalpha,"boolalpha"},
			{ios::unitbuf,"unitbuf"}
};
void main() {
   long IFlags;
   IFlags=cout.setf(0,cout.flags());
   cout.setf(ios::hex,ios::basefield);
   cout<<"Default flag is:"<<IFlags<<endl;
   for(int i=0;i<18;i++) 
	   cout<<flags[i].flag<<'\t'<<flags[i].flagname<<endl;
 }