// 访问字符的元素的STL字符串
#include <string>
#include <iostream>
int main() {
using namespace std;
// The sample string
string strSTLString("Hello String");
// Access the contents of the string using array syntax
cout << "Displaying characters using array-syntax: " << endl;
for (size_t nCharCounter = 0; nCharCounter < strSTLString.length();
++nCharCounter) {
cout << "Character [" << nCharCounter << "] is: ";
cout << strSTLString[nCharCounter] << endl;
}
cout << endl;
// Access the contents of a string using iterators
cout << "Displaying characters using iterators: " << endl;
int nCharOffset = 0;
string::const_iterator iCharacterLocator;
for (iCharacterLocator = strSTLString.begin()
; iCharacterLocator != strSTLString.end(); ++iCharacterLocator) {
cout << "Character [" << nCharOffset++ << "] is: ";
cout << *iCharacterLocator << endl;
}
cout << endl;
// Access the contents of a string as a C-style string
cout << "The char* representation of the string is: ";
cout << strSTLString.c_str() << endl;
return 0;
}