#include<iostream> #include<string> #include<sstream> //定义了stringstream类 using namespace std; int main() { stringstream s;//真的好用,很方便的操作字符串增加转化等; string sr="1234"; s<<sr; s<<100; int a; s>>a; cout<<a;//1234100 return 0; }
#include<iostream> #include<string> #include<sstream> //定义了stringstream类 using namespace std; int main() { stringstream s;//真的好用,很方便的操作字符串增加转化等; string sr="1234"; s<<sr; s<<100; int a; s>>a; cout<<a;//1234100 return 0; }