通过手机键盘将字符串转换为数字的小程序

#include "stdafx.h"#include <iostream>#include <vector>#include <algorithm>#include <string>int _tmain(int argc, _TCHAR* argv[]){bool br = true;vector<string> vecPhotoNumber;vecPhotoNumber.push_back("abc");vecPhotoNumber.push_back("def");vecPhotoNumber.push_back("ghi");vecPhotoNumber.push_back("jkl");vecPhotoNumber.push_back("mno");vecPhotoNumber.push_back("pgrs");vecPhotoNumber.push_back("tuv");vecPhotoNumber.push_back("wxyz");string strWord;string strNumber;char buf[2] = { 0 };while (getline(cin, strWord)){strNumber.clear();br = true;std::transform(strWord.begin(), strWord.end(), strWord.begin(), tolower);for (int i = 0; i < strWord.size(); i++){if (!isalpha(strWord[i])){br = false;break;}int tmp = (int)(strWord[i] - 'a');int reduce = 0;// Beyond 's'.if (tmp > 17){reduce++;}// Beyond 'z'.if (tmp > 24){reduce++;}tmp = (tmp - reduce) / 3 + 2;sprintf(buf, "%d", tmp);strNumber += buf;}if (false == br){cout << "Invalid inputs!" << endl;}else{cout << strNumber << endl;}}system("pause");return 0;}