4条回答
- ปรัชญา แค้วคำมูล 2016-03-07 10:37关注
// using ios_base::fmtflags
#include // std::cout, std::ios_base, std::ios,
// std::hex, std::showbase
int main () {// using fmtflags as class member constants:
std::cout.setf (std::ios_base::hex , std::ios_base::basefield);
std::cout.setf (std::ios_base::showbase);
std::cout << 100 << '\n';// using fmtflags as inherited class member constants:
std::cout.setf (std::ios::hex , std::ios::basefield);
std::cout.setf (std::ios::showbase);
std::cout << 100 << '\n';// using fmtflags as object member constants:
std::cout.setf (std::cout.hex , std::cout.basefield);
std::cout.setf (std::cout.showbase);
std::cout << 100 << '\n';// using fmtflags as a type:
std::ios_base::fmtflags ff;
ff = std::cout.flags();
ff &= ~std::cout.basefield; // unset basefield bits
ff |= std::cout.hex; // set hex
ff |= std::cout.showbase; // set showbase
std::cout.flags(ff);
std::cout << 100 << '\n';// not using fmtflags, but using manipulators:
std::cout << std::hex << std::showbase << 100 << '\n';return 0;
}本回答被题主选为最佳回答 , 对您是否有帮助呢?解决 无用评论 打赏 举报
悬赏问题
- ¥15 素材场景中光线烘焙后灯光失效
- ¥15 请教一下各位,为什么我这个没有实现模拟点击
- ¥15 执行 virtuoso 命令后,界面没有,cadence 启动不起来
- ¥50 comfyui下连接animatediff节点生成视频质量非常差的原因
- ¥20 有关区间dp的问题求解
- ¥15 多电路系统共用电源的串扰问题
- ¥15 slam rangenet++配置
- ¥15 有没有研究水声通信方面的帮我改俩matlab代码
- ¥15 ubuntu子系统密码忘记
- ¥15 保护模式-系统加载-段寄存器