原创内容,转载请注明原文网址:http://homeqin.cn/a/wenzhangboke/jishutiandi/2019/0910/635.html
1.
string strResult,str;
double a=35.000,b=14.967;
std::ostringstream ostr;
ostr << "a+b=" << a << "+" << b << "=" << a+b;
std::string str = ostr.str();
strResult += str;
2.
#include
#include
using namespace std;
ostringstream ostr;
ostr << "d = " << 123 << "f = " << 12.345 << "test format" << std:endl;
string str = ostr.str();
cout << ostr.str().c_str();
以上常州游戏开发培训两种办法中,double数值也默许显现为整数。
3.
char buf[1024];
sprintf(buf,"a+b=%f+%f=%f",a,b,a+b);
memset(buf,0,sizeof(buf));
上篇:上一篇:C++中map的用法详解
下篇:下一篇:C++模仿Http/Https POST登录web站点