1.使用sstreamm类整数转换为字符串
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| #include<iostream>
#include<sstream>
using namespace std;
void is2(int x,string &s_basic)
{
stringstream ss;
ss<<x;
ss>>s_basic;
}
int main()
{
string s1;
int n=123456;
is2(n,s1);
cout<<s1[3];
return 0;
}
|
1.使用sstreamm类字符串转换为整数，但字符串存储的一定要是数字否则输出零
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| #include<iostream>
#include<sstream>
using namespace std;
void is2(int &x,string s_basic)
{
stringstream ss;
ss<<s_basic;
ss>>x;
}
int main()
{
string s1="1234456";
int n;
is2(n,s1);
cout<<n;
return 0;
}
|