c++ - 使用字符串流提取参数

Question

我想输入一个短语并提取短语的每个字符:

int main()
{
    int i = 0;
    string line, command;
    getline(cin, line); //gets the phrase ex: hi my name is andy
    stringstream lineStream(line);
    lineStream>>command;
    while (command[i]!=" ") //while the character isn't a whitespace
    {
        cout << command[i]; //print out each character
        i++;
    }
}

但是我得到错误:无法在 while 语句中比较指针和整数

Answer 1

正如您的标题“Extracting arguments using stringstream”所暗示的那样:

我想你正在寻找这个:

getline(cin, line); 
stringstream lineStream(line);

std::vector<std::string> commands; //Can use a vector to store the words

while (lineStream>>command) 
{
    std::cout <<command<<std::endl; 
   //commands.push_back(command); // Push the words in vector for later use
}