Cross-conversion of different data types in C + +

Source: Internet
Author: User

1.string--char *
char * p = (char*) str.c_str ();

2.char *-->string
Char *p = "AAA";
String str (p);>string

intn=100000;Chart[ -];inti =0;if(n! =0){ while(n) {t[i+ +] = (n%Ten) +'0'; n/=Ten;} T[i]=0;}ElseT[i]='0';return string(_strrev (t));


#include <iostream><sstream><class type>Type string2num ( Const string& str) {      istringstream iss (str);      Type num;       >> num;       return num;}


Cross-conversion of different data types in C + +

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