C + + string and other type interchange

How do you implement string and other types of interchange in C + +? The best way to do this is to use StringStream, which is briefly described below:

1. Convert other types to string

#include <sstream>

StringStream Sstr;

string S1;
S1.append ("string");
Sstr << 12;
Sstr >> s1;//The result is that the value of the original string is flushed out
S1 + = Sstr.str ();//This will not change the original value
Sstr.clear ();//If you want to implement multiple types of conversions by using the same StringStream object, be aware that you must call the clear () member function after each conversion. If not clear, the value will always be there.
cout << s1 << Endl;

2.string conversion to other types

string s = "17";

StringStream SS;
ss<<s; Read-in value

int i;
ss>>i; Output value
cout<<i<<endl; 17

Sstr.clear ();

String name = "Colinguan";
Char cname[200];

StringStream Sstr;
sstr<<name; Read-in value
sstr>>cname; Output conversion Value

C + + string and other type interchange