问用字符分隔数字

EN

 cin>>ws;       //eats up white spaces
 cout.flush(); 
    do          //loop to check every number
    {
        cin>>num1; 
        num_vec.push_back(num1);
        if(cin.peek() == ',')
        {
            cin.ignore();
        }
        else if(cin.peek() == '-')      
        {
            cin.ignore();
        //if it sees a dash it will ignore the dash
       // similar to what you did with your comma 
            cin>>num2;
            for(++num1; num1<=num2; num1++)
            {
                num_vec.push_back(num1);
      //keeps adding 1 to that range and pushing it back to vector 
            } 
                if(cin.peek() == ',')
                {
                    cin.ignore();
                }       
        }
    }while(cin.peek() != '\n');