数字转string
std::to_string(int)
std::to_string(long)
std::to_string(long long)
std::to_string(float)
std::to_string(double)
std::to_string(long double)
1 #include <string> 2 #include <iosream> 3 using namespace std; 4 int main() 5 { 6 int num=123; 7 string str=to_string(num); 8 cout<<str<<endl; 9 return 0;
string转数字
头文件:cstdlib
std::stoi
std::stol
std::stoll
#include<cstdlib.h> using namespace std; int main() { int num=0; string str="123"; num=stoi(str); cout<<num<<endl; return 0;
其他: