[英]Weird output with class getter function C++
所以我的头文件中有飞镖游戏的这段代码:
class Player
{
private:
string playerName;
int bullAccuracy;
int outerAccuracy;
int singleAccuracy;
public:
//getters
string& getName();
int& getBullAccuracy();
int& getSingleAccuracy();
//setters
void setName(string& name);
void setBullAccuracy(int& bull_accuracy);
void setSingleAccuracy(int& single_accuracy);
};
然后,.cpp文件中的对应getter和setter函数如下所示:
//getters
string& Player::getName()
{
return playerName;
}
unsigned int& Player::getScore()
{
return playerScore;
}
int& Player::getBullAccuracy()
{
return bullAccuracy;
}
int& Player::getSingleAccuracy()
{
return singleAccuracy;
}
//setters
void Player::setName(string& name)
{
playerName = name;
}
void Player::setBullAccuracy(int& bull_accuracy)
{
bullAccuracy = bull_accuracy;
}
void Player::setSingleAccuracy(int& single_accuracy)
{
singleAccuracy = single_accuracy;
}
所有用于类数据成员的非常简单且基本的获取/设置代码,对吗?
不过,在main()函数中,我设置了球员的姓名,他们的各种准确性,然后在吸气剂中显示他们。 所有这些都是使用对象和迭代器的向量完成的,如下所示:
vector<Player> player(2);
vector<Player>::iterator modIter;
int bAccuracy, sAccuracy;
string playerName;
cout << "Input the name of the players: " << endl;
for (modIter = player.begin(); modIter != player.end(); modIter++)
{
cin >> playerName;
modIter->setName(playerName);
}
cout << "\nSet the players' bull accuracy:" << endl;
for (modIter = player.begin(); modIter != player.end(); modIter++)
{
cout << modIter->getName() << ": ";
cin >> bAccuracy;
modIter->setBullAccuracy(bAccuracy);
}
cout << "\nSet the players' single hit accuracy: " << endl;
for (modIter = player.begin(); modIter != player.end(); modIter++)
{
cout << modIter->getName() << ": ";
cin >> sAccuracy;
modIter->setBullAccuracy(sAccuracy);
}
//display values to check program working well so far
for (modIter = player.begin(); modIter != player.end(); modIter++)
{
cout << modIter->getBullAccuracy() << endl;
cout << modIter->getOuterAccuracy() << endl;
cout << modIter->getSingleAccuracy() << endl;
}
在运行代码之后,输入输入“ Joe”和“ Sid”作为名称,分别为71和73表示公牛精度,然后为两个玩家输入80的单次命中精度,这就是我的控制台输出的内容:
输入玩家名称:
乔
席德
设置玩家的公牛准确性:
乔71
Sid:73 //这意味着至少名称设置正确
设置玩家的单次命中精度:
乔:80
席德:80
//这是奇怪的输出
80 //应该是71
-842150451 //和这80
80 //这里73
-842150451 //这里又是80
所以发生了什么事,因为这实际上是对getter和setter的基本和熟悉的使用,而且我不知道如何自己调试它,因为我看不到问题。 我的代码中有什么我看不到的东西正在改变结果吗?
预先非常感谢您的帮助
当提示输入单精度时,您仍在调用setBullAccuracy
方法,而不是setSingleAccuracy
。 您也没有初始化成员变量,这就是为什么打印出singleAccuracy
会给您带来垃圾的原因。
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