c++ - 用户输入...如何检查 ENTER 键

Question

我有一段代码，用户从键盘输入。我想在按下 ENTER 时做一些事情。我正在检查 '\n' 但它不起作用。如何检查用户是否按下了 ENTER 键？

if( shuffle == false ){
    int i=0;
    string line;
    while( i<20){
        cout << "Playing: ";
        songs[i]->printSong();
        cout << "Press ENTER to stop or play next song: ";
        getline(cin, line);            
        if( line.compare("\n") == 0 ){
            i++;
        }
    }
}

Answer 1

if( shuffle == false ){
    int i=0;
    string line;
    while( i<20){
        cout << "Playing: ";
        songs[i]->printSong();
        cout << "Press ENTER to stop or play next song: ";
        if( cin.get() == '\n' ) {
            i++;
        }
    }
}