C++字符串的建立
比如要把三个整型变成连续字符串,应该这样:
#include <iostream>
#include <sstream> //这个是关键
#include <string>
using namespace std;
int main()
{
int a=1,b=2,c=3;
string s;
stringstream out;
out<<a<<b<<c;
out>>s; //注意箭头方向
cout<<s<<endl;
return 0;
}
则输出123(字符串);