基于STL的演讲比赛流程系统

speechManager.h

#pragma once
#include <iostream>
#include <vector>
#include <map>
#include "speaker.h"
#include <algorithm>
#include <deque>
#include <functional>
#include <numeric>
#include <fstream>
using namespace std;


class SpeechManager
{

public:
	//构造函数
	SpeechManager();

	//菜单功能
	void ShowMenu();


	//析构函数
	~SpeechManager();

	//初始化
	void initSpeech();

	//创建选手
	void createSpeaker();

	void startSpeech();

	//抽签
	void speechDraw();

	//比赛
	void speechContest();

	//显示分数
	void showScore();

	//保存分数
	void saveRecord();

	//读取记录
	void loadRecord();

	//显示记录
	void showRecord();

	//清空记录
	void clearRecord();

	//退出系统
	void exitSystem();


	//判断文件是否为空
	bool fileIsEmpty;

	//存放往届记录的数据
	map<int, vector<string>> m_Record;


	//成员
	vector<int>v1;
	vector<int>v2;
	vector<int>vVictory;
	map<int, Speaker>m_Speaker;
	int m_Index;

};

speechManager.cpp

#include "speechManager.h"


//构造函数
SpeechManager::SpeechManager()
{
	//初始化容器
	this->initSpeech();
	//创建12名选手
	this->createSpeaker();

	/*for (map<int, Speaker>::iterator it = m_Speaker.begin(); it != m_Speaker.end(); it++)
	{
		cout << it->first << "  " << it->second.m_Name << "  " << it->second.m_Score[0] << endl;;
	}*/

	this->loadRecord();
}


void SpeechManager::ShowMenu()
{
	cout << "*******************************************" << endl;
	cout << "*************欢迎参加比赛*****************" << 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;
	cout << endl;
}

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

void SpeechManager::initSpeech()
{
	this->v1.clear();
	this->v2.clear();
	this->vVictory.clear();
	this->m_Speaker.clear();
	this->m_Index = 1;
	this->m_Record.clear();
}

//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 = name + nameSeed[i];
		Speaker sp;
		sp.m_Name = name;

		for (int j = 0; j < 2; j++)
		{
			sp.m_Score[j] = 0;
		}
		this->v1.push_back(10001 + i);
		this->m_Speaker.insert(make_pair(i + 10001, sp));
	}
}

//抽签
void SpeechManager::speechDraw()
{
	cout << "第" << this->m_Index << "轮比赛" << endl;
	cout << "-------------------------------------" << endl;
	cout << "抽签演讲顺序如下" << 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 << "轮比赛 正式开始-----------" << endl;

	//准备临时容器，存放小组成绩
	multimap<double, int, greater<double>>groupScore;
	int num = 0;


	vector<int>v_Src;
	if (this->m_Index == 1)
	{
		v_Src = v1;
	}
	else 
	{
		v_Src = v2;
	}

	//遍历所有选手进行比赛
	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;
			//cout << score << "  ";
			d.push_back(score);
		}
		//cout << endl;
		sort(d.begin(), d.end() ,greater<double>());//降序排列

		//去掉最高分，最低分
		d.pop_front();
		d.pop_back();

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

		//cout << "编号：" << *it << "  姓名：" << this->m_Speaker[*it].m_Name << " 平均分数：" << avg << endl;;

		//将平均分放入map容器
		this->m_Speaker[*it].m_Score[this->m_Index - 1] = avg;

		//将打分数据，放入临时小组容器中
		groupScore.insert(make_pair(avg, *it)); //key 是得分，value 是具体的选手编号
		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 << "  得分：" << this->m_Speaker[it->second].m_Score[this->m_Index - 1] << endl ;
			}

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

			groupScore.clear();

			cout << endl;

		}

		
			
	}
	cout << "----------第" << this->m_Index << "轮比赛完毕-----------------" << endl;
	system("pause");
	cout << endl;
}

//显示分数
void SpeechManager::showScore()
{
	cout << "----------第" << this->m_Index << "轮晋级的选手-----------------" << 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 << "选手编号：" << *it << "  姓名：" << this->m_Speaker[*it].m_Name << "  得分：" << this->m_Speaker[*it].m_Score[this->m_Index-1] << endl;
	}
		
	cout << endl;
	system("pause");
	system("cls");
	this->ShowMenu();

}

//保存分数
void SpeechManager::saveRecord()
{
	ofstream ofs;
	ofs.open("speech.csv", ios::out | ios::app);  //追加方式打开文件

	for (vector<int>::iterator it = vVictory.begin(); it != vVictory.end(); it++)
	{

		ofs << *it << "," << this->m_Speaker[*it].m_Score[1] << ",";
	}
	ofs << endl;

	ofs.close();
	cout << "记录已经保存" << endl;

	this->fileIsEmpty = false;

}

//读取记录
void SpeechManager::loadRecord()
{
	ifstream ifs("speech.csv",ios::in); //读文件
	if (!ifs.is_open())
	{
		this->fileIsEmpty = true;
		ifs.close();
		return;
	}

	//文件清空情况
	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);
	string data;
	int index = 0;
	while (ifs >> data)
	{
		//cout << data << endl;
		vector<string>v; //存放6个string 字符串
		int pos = -1;
		int start = 0;
		

		while (true)
		{
			pos = data.find(",", start);
			if (pos == -1)
			{
				break;
			}
			string temp = data.substr(start, pos - start);
			//cout << temp << endl;
			v.push_back(temp);
			start = pos + 1;
		}
		this->m_Record.insert(make_pair(index, v));
		index++;
	}
	ifs.close();

	/*for (map<int, vector<string>>::iterator it = m_Record.begin(); it != m_Record.end(); it++)
	{
		cout << it->first << "冠军编号：" << it->second[0] << " 分数： " << it->second[1] << endl;
	}*/

}


//显示记录
void SpeechManager::showRecord()
{
	if (this->fileIsEmpty)
	{
		cout << "文件为空或者不存在！" << endl;
	}
	else 
	{
		for (int i = 0; i < this->m_Record.size(); i++)
		{
			cout << "第" << i + 1 << " 界"
				<< " 冠军： " << this->m_Record[i][0] << " 得分：" << this->m_Record[i][1] << "  "
				<< " 亚军： " << this->m_Record[i][2] << " 得分：" << this->m_Record[i][3] << "  "
				<< " 季军： " << 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 << "是否确定清空文件？" << endl;
	cout << "1. 是" << endl;
	cout << "2. 否" << endl;

	int select = 0;
	cin >> select;

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

		//初始化容器
		this->initSpeech();
		//创建12名选手
		this->createSpeaker();

		this->loadRecord();
		cout << "清空成功！" << endl;
	}

	system("pause");
	system("cls");

}

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


void SpeechManager::startSpeech()
{
	//第一轮
	//1.抽签
	this->speechDraw();

	//2.比赛
	this->speechContest();

	//3. 显示分数
	this->showScore();

	//第二轮
	this->m_Index++;
	//1.抽签
	this->speechDraw();

	//2.比赛
	this->speechContest();

	//3. 显示分数
	this->showScore();

	//保存分数
	this->saveRecord();

	//重置比赛
	//初始化容器
	this->initSpeech();
	//创建12名选手
	this->createSpeaker();

	this->loadRecord();

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


}

speaker.h

#pragma once
#include <iostream>
using namespace std;


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


};

演讲比赛流程管理系统.cpp

#include <iostream>
using namespace std;
#include "speechManager.h"
#include <ctime>

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

	//创建管理类的对象
	SpeechManager sm;

	int choice;

	while (true)
	{
		cout << "请输入您的选择:" << endl;
		sm.ShowMenu();

		cin >> choice;

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

	}


	system("pause");
	return 0; 
}