//加密void HelloWorld::encode(std::string &str) { for(int i = 0; i < str.length(); i++) { int ch = str[i]; ch = ch ^ 1; str[i] = ch; }} //解密void HelloWorld::decode(std::string &str) { for(int i = 0; i < str.length(); i++) { int ch = str[i]; ch = ch ^ 1; str[i] = ch; }}
转自：http://www.2cto.com/kf/201406/306946.html
原文：http://www.cnblogs.com/C-Plus-Plus/p/4028753.html