1.string --> char *
char * p = (char*)str.c_str();
2.char * -->string
char *p = "aaa";
string str(p);
3.int-->string
int n=;
char t[];
int i = ;
if (n != )
{
while (n) {
t[i++] = (n % ) + '';
n /= ;
}
t[i] = ;
}
else
t[i] = '';
return string(_strrev(t));
4.string-->number
#include <iostream>
#include <sstream>
template <class Type>
Type string2Num(const string& str)
{
istringstream iss(str);
Type num;
iss >> num;
return num;
}
待续....