C++——演讲比赛流程管理系统（黑马程序员）

speaker.h文件

#pragma once
#include
using namespace std;

class Speaker
{
public:
	string m_Name;
	double m_Score[2];  //最多2轮得分
};

SpeechManager.h文件

#pragma once
#include
#include
#include
#include "speaker.h"
using namespace std;

//设计演讲管理类
class SpeechManager
{
public:

	//构造函数
	SpeechManager();

	//菜单功能
	void show_Menu();

	//退出功能
	void exitSystem();

	//初始化属性
	void initSpeech();

	//初始化创建12名选手
	void createSpeaker();

	//开始比赛————比赛流程控制
	void startSpeech();

	//抽签
	void speechDraw();

	//比赛
	void speechContest();

	//显示比赛结果
	void showScore();

	//保存记录
	void saveRecord();

	//读取记录
	void loadRecord();

	//文件为空标志
	bool fileIsEmpty;

	//往届记录
	map<int, vector<string>> m_Record;

	//显示往届得分
	void showRecord();

	//清空记录
	void clearRecord();

	//析构函数
	~SpeechManager();

	//比赛选手 容器 12人
	vector<int>v1;

	//第一轮晋级容器 6人
	vector<int>v2;

	//比赛前三名容器 3人
	vector<int>vVictory;

	//存放编号以及对应的具体选手容器
	map<int, Speaker> m_Speaker;

	//记录比赛轮数
	int m_Index;

};

SpeechManager.cpp文件

#include "SpeechManager.h"
#include
#include 
#include
#include

//构造函数
SpeechManager::SpeechManager()
{
	//初始化属性和容器
	this->initSpeech();

	//创建选手
	this->createSpeaker();

	//获取往届记录
	this->loadRecord();
}

//菜单功能
void SpeechManager::show_Menu()
{
	cout << "欢迎参加演讲比赛" << endl;
	cout << "1.开始演讲比赛" << endl;
	cout << "2.查看往届记录" << endl;
	cout << "3.清空比赛记录" << endl;
	cout << "0.退出比赛程序" << endl;
	cout << endl;
}

//退出功能
void SpeechManager::exitSystem()
{
	cout << "欢迎下次使用" << endl;
	system("pause");
	exit(0);
}

//初始化属性
void SpeechManager::initSpeech()
{
	//容器都置空
	this->v1.clear();
	this->v2.clear();
	this->vVictory.clear();
	this->m_Speaker.clear();

	//初始化比赛轮数
	this->m_Index = 1;

	//初始化记录容器
	this->m_Record.clear();
}

//初始化创建12名选手
void SpeechManager::createSpeaker()
{
	string nameSeed = "ABCDEFGHIJKL";
	for (int i = 0; i < nameSeed.size(); i++)
	{
		string name = "选手";
		name += nameSeed[i];

		Speaker sp;
		sp.m_Name = name;
		for (int i = 0; i < 2; i++)
		{
			sp.m_Score[i] = 0;
		}

		//12名选手编号
		this->v1.push_back(i + 10001);

		//选手编号 以及对应选手存放到map容器中
		this->m_Speaker.insert(make_pair(i + 10001, sp));
	}
}

//抽签
void SpeechManager::speechDraw()
{
	cout << "第 " << this->m_Index << " 轮比赛选手正在抽签" << endl;
	cout << "--------------------" << endl;
	cout << "抽签后演讲顺序如下：" << endl;
	if (this->m_Index == 1)
	{
		random_shuffle(v1.begin(), v1.end());
		for (vector<int>::iterator it = v1.begin(); it != v1.end(); it++)
		{
			cout << *it << " ";
		}
		cout << endl;
	}
	else
	{
		random_shuffle(v2.begin(), v2.end());
		for (vector<int>::iterator it = v2.begin(); it != v2.end(); it++)
		{
			cout << *it << " ";
		}
		cout << endl;
	}
	cout << "-------------" << endl;
	system("pause");
	cout << endl;
}

//比赛
void SpeechManager::speechContest()
{
	cout << "----------第 " << this->m_Index << " 轮正式比赛开始：----------" << endl;

	//临时容器，保存key分数 value选手编号
	multimap<double, int, greater<double>> groupScore;
	int num = 0;

	//比赛人员容器
	vector<int>v_Src;
	if (this->m_Index == 1)
	{
		v_Src = v1;
	}
	else
	{
		v_Src = v2;
	}

	//遍历所有参赛选手
	for (vector<int>::iterator it = v_Src.begin(); it != v_Src.end(); it++)
	{
		num++;

		//评委打分
		deque<double>d;
		for (int i = 0; i < 10; i++)
		{
			double score = (rand() % 401 + 600) / 10.f;  //600-1000
			d.push_back(score);
		}

		sort(d.begin(), d.end(), greater<double>());  //排序
		d.pop_front();
		d.pop_back();

		double sum = accumulate(d.begin(), d.end(), 0.0f);
		double avg = sum / (double)d.size();

		this->m_Speaker[*it].m_Score[this->m_Index - 1] = avg;

		//6个人一组，用临时容器保存
		groupScore.insert(make_pair(avg, *it));
		if (num % 6 == 0)
		{
			cout << "第 " << num / 6 << " 小组比赛名次：" << endl;
			for (multimap<double, int, greater<double>>::iterator it = groupScore.begin(); it != groupScore.end(); it++)
			{
				cout << "编号：" << it->second << "姓名：" << this->m_Speaker[it->second].m_Name << "成绩：" << this->m_Speaker[it->second].m_Score[this->m_Index - 1] << endl;
			}

			int count = 0;
			//取前三名
			for (multimap<double, int, greater<double>>::iterator it = groupScore.begin(); it != groupScore.end() && count < 3; count++, it++)
			{
				if (this->m_Index == 1)
				{
					v2.push_back((*it).second);
				}
				else
				{
					vVictory.push_back((*it).second);
				}
			}

			groupScore.clear();
			cout << endl;
		}
	}
	cout << "----------第v" << this->m_Index << " 轮比赛完毕!----------" << endl;
	system("pause");
}

//显示比赛结果
void SpeechManager::showScore()
{
	cout << "----------第" << this->m_Index << " 轮紧急选手信息如下----------" << endl;
	vector<int>v;
	if (this->m_Index == 1)
	{
		v = v2;
	}
	else
	{
		v = vVictory;
	}
	for (vector<int>::iterator it = v.begin(); it != v.end(); it++)
	{
		cout << "编号：" << *it << "姓名：" << m_Speaker[*it].m_Name << "成绩：" << this->m_Speaker[*it].m_Score[this->m_Index - 1] << endl;
	}
	cout << endl;

	system("pause");
	system("cls");
	this->show_Menu();
}

//保存记录
void SpeechManager::saveRecord()
{
	ofstream ofs;
	ofs.open("speech.csv", ios::out | ios::app);  //用输出的方式打开文件--写文件

	//将每个人数据写入到文件中
	for (vector<int>::iterator it = vVictory.begin(); it != vVictory.end(); it++)
	{
		ofs << *it << "," << this->m_Speaker[*it].m_Score[1] << ",";
	}
	ofs << endl;

	//关闭文件
	ofs.close();
	cout << "已经完成记录保存!" << endl;

	//有记录了，文件不为空
	this->fileIsEmpty = false;
}

//开始比赛
void SpeechManager::startSpeech()
{
	//第一轮比赛
	//1.抽签
	this->speechDraw();
	//2.比赛
	this->speechContest();
	//3.显示晋级结果
	this->showScore();
	//第二轮比赛
	this->m_Index++;
	//1.抽签
	this->speechDraw();
	//2.比赛
	this->speechContest();
	//3.显示最终结果
	this->showScore();
	//4.保存分数
	this->saveRecord();

	//重置比赛，获取记录
	//初始化属性和容器
	this->initSpeech();

	//创建选手
	this->createSpeaker();

	//获取往届记录
	this->loadRecord();

	cout << "本届比赛完毕！" << endl;
	system("pause");
	system("cls");
}

//读取记录
void SpeechManager::loadRecord()
{
	ifstream ifs("speech.csv", ios::in);  //输入流对象，读取文件
	if (!ifs.is_open())
	{
		this->fileIsEmpty = true;
		cout << "文件不存在！" << endl;
		ifs.close();
		return;
	}

	char ch;
	ifs >> ch;
	if (ifs.eof())
	{
		cout << "文件为空！" << endl;
		this->fileIsEmpty = true;
		ifs.close();
		return;
	}

	//文件不为空
	this->fileIsEmpty = false;
	ifs.putback(ch);  //获取的单个字符被放回去
	string data;
	int index = 0;
	while (ifs >> data)
	{
		vector<string>v;
		int pos = -1;
		int start = 0;

		while (true)
		{
			pos = data.find(",", start);  //从0开始查找
			if (pos == -1)
			{
				break;  //找不到则break返回
			}
			string tmp = data.substr(start, pos - start);
			//找到了进行分割 参数1起始位置，参数2截取长度
			v.push_back(tmp);
			start = pos + 1;
		}
		this->m_Record.insert(make_pair(index, v));
		index++;
	}
	ifs.close();

}

//显示往届得分
void SpeechManager::showRecord()
{
	if (this->fileIsEmpty)
	{
		cout << "文件不存在，或记录为空！" << endl;
	}
	else
	{
		for (int i = 0; i < this->m_Record.size(); i++)
		{
			cout << "第 " << i + 1 << " 届" <<
				"冠军编号：" << this->m_Record[i][0] << " 得分：" << this->m_Record[i][1] << " "
				"亚军编号：" << this->m_Record[i][2] << " 得分：" << this->m_Record[i][3] << " "
				"季军编号：" << this->m_Record[i][4] << " 得分：" << this->m_Record[i][5] << endl;
		}
	}
	system("pause");
	system("cls");
}


//清空记录
void SpeechManager::clearRecord()
{
	cout << "确认清空？" << endl;
	cout << "1.确认" << endl;
	cout << "2.返回" << endl;

	int select = 0;
	cin >> select;

	if (select == 1)
	{
		ofstream ofs("speech.csv", ios::trunc);
		ofs.close();

		//初始化属性和容器
		this->initSpeech();

		//创建选手
		this->createSpeaker();

		//获取往届记录
		this->loadRecord();

		cout << "清空成功！" << endl;
	}
	system("pause");
	system("cls");
}

//析构函数
SpeechManager::~SpeechManager()
{

}

演讲比赛流程管理系统.cpp文件

#include
#include
#include
#include "SpeechManager.h"
#include "speaker.h"
using namespace std;

int main()
{
	//随机数种子
	srand((unsigned int)time(NULL));


	//创建管理类对象
	SpeechManager sm;

	int choice = 0;
	while (true)
	{
		sm.show_Menu();

		cout << "请输入您的选择：" << endl;
		cin >> choice;

		switch (choice)
		{
		case 1:  //开始比赛
			sm.startSpeech();
			break;
		case 2:  //查看记录
			sm.showRecord();
			break;
		case 3:  //清空记录
			sm.clearRecord();
			break;
		case 0:  //退出系统
			sm.exitSystem();
			break;
		default:
			system("cls");
			break;
		}
	}

	

	system("pause");
	return 0;
}