Question

好的，我有这个任务，我必须提示用户提供有关5个独立篮球运动员的数据。我的问题提示是for循环，循环首次执行第一个玩家罚款，但是当需要输入第二个玩家信息时，前两个问题提示在同一行，我摆弄了这个并且只是无法弄明白，我相信这显然是一件小事，我显然已经失踪了，感谢你提出如何解决这个问题的建议。

这是输出：

Enter the name, number, and points scored for each of the 5 players.
Enter the name of player # 1: Michael Jordan
Enter the number of player # 1: 23
Enter points scored for player # 1: 64
Enter the name of player # 2: Enter the number of player # 2: <------- * questions 1 and 2 *

这是我的代码：

#include <iostream>
#include <string>
#include <iomanip>
using namespace std;


//struct of Basketball Player info
struct BasketballPlayerInfo
{
    string name; //player name

    int playerNum, //player number
        pointsScored; //points scored

};

int main()
{
    int index; //loop count
    const int numPlayers = 5; //nuymber of players
    BasketballPlayerInfo players[numPlayers]; //Array of players

    //ask user for Basketball Player Info
    cout << "Enter the name, number, and points scored for each of the 5 players.\n";

    for (index = 0; index < numPlayers; index++)
    {
        //collect player name
        cout << "Enter the name of player # " << (index + 1);
        cout << ": ";
        getline(cin, players[index].name);

        //collect players number
        cout << "Enter the number of player # " << (index + 1);
        cout << ": ";
        cin >> players[index].playerNum;

        //collect points scored
        cout << "Enter points scored for player # " << (index + 1);
        cout << ": ";
        cin >> players[index].pointsScored;
    }

 system("pause");
return 0;

}

Answer 1

读完一个数字（例如int）之后，输入缓冲区中仍然有一个你还没有读过的新行。当您读取另一个数字时，会跳过任何空白区域（包括新行以查找数字。但是，当您读取字符串时，输入缓冲区中的换行符将被读取为空字符串。

要使其正常工作，您需要在尝试读取字符串之前从输入缓冲区中获取换行符。

for循环没有正确执行？

1 个答案: