6.演讲比赛流程管理系统

1.需求#

2.文件目录#

3.代码#

3.1Speaker.h#

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


class Speaker {

public:
	string m_Name;
	double m_Score[2];

};

3.2SpeechManager.h#

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


class SpeechManager {

public:
	vector<int> v1;

	vector<int> v2;

	vector<int> vVictory;

	map<int, Speaker> m_Speaker;

	int m_Index;

	bool fileIsEmpty;

	map<int, vector<string>> m_Record;

public:
	SpeechManager();

	void showMenu();

	void exitSystem();

	void initSpeech();

	void createSpeaker();

	void startSpeech();

	void speechDraw();

	void speechContest();

	void showScore();

	void saveRecord();

	void loadRecord();

	void showRecord();

	void clearRecord();

	~SpeechManager();

};

3.3SpeechManager.cpp#

#include "SpeechManager.h"

SpeechManager::SpeechManager() {
	this->initSpeech();

	this->createSpeaker();

	this->loadRecord();
}

SpeechManager::~SpeechManager() {

}

void SpeechManager::showMenu() {
	cout << "********************************************" << endl;
	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;
	cout << endl;
}

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

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


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;
		}
		this->v1.push_back(i + 10001);
		this->m_Speaker.insert(make_pair(i + 10001, sp));
	}
}


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());
		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;
}


void SpeechManager::speechContest() {
	cout << "------------- 第" << this->m_Index << "轮正式比赛开始：------------- " << endl;
	multimap<double, int, greater<double>> groupScore;
	int num = 0;
	vector<int> v_Src;
	if (this->m_Index == 1) {
		v_Src = this->v1;
	}
	else {
		v_Src = this->v2;
	}

	for (vector<int>::iterator it = v_Src.begin(); it != v_Src.end(); it++) {
		num++;
		deque<double> d;
		for (vector<int>::iterator it = v_Src.begin(); it != v_Src.end(); it++) {
			double score = (rand() % 401 + 600) / 10.f;
			d.push_back(score);
		}
		sort(d.begin(), d.end(), greater<double>());
		d.pop_back();
		d.pop_front();

		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;
		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;
			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");
}


void SpeechManager::showScore() {
	cout << "---------第" << this->m_Index << "轮晋级选手信息如下：-----------" << 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 << "选手编号：" << *it << " 姓名： " << m_Speaker[*it].m_Name << " 得分： " 
			<< m_Speaker[*it].m_Score[this->m_Index - 1] << endl;
	}
	cout << endl;
	system("pause");
	system("cls");
	this->showMenu();
}


void SpeechManager::saveRecord() {
	ofstream ofs;
	ofs.open("speech.csv", ios::out | ios::app);

	for (auto idx : this->vVictory) {
		ofs << idx << "," << this->m_Speaker[idx].m_Score[1] << ",";
	}
	ofs << endl;

	ofs.close();
	cout << "记录已经保存" << endl;
	this->fileIsEmpty = false;
}


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

	// 第一轮比赛
	this->speechContest();

	// 显式晋级结果
	this->showScore();

	// 第二轮比赛
	this->m_Index++;

	// 第二轮抽签
	this->speechDraw();

	// 第二轮比赛
	this->speechContest();

	// 显式最终结果
	this->showScore();

	// 保存分数
	this->saveRecord();

	// 初始化属性
	this->initSpeech();

	this->createSpeaker();

	this->loadRecord();

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

void SpeechManager::loadRecord() {
	ifstream ifs("speech.csv", ios::in);

	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;
	}

	this->fileIsEmpty = false;
	ifs.putback(ch);
	string data;
	int index = 0;
	while (ifs >> data) {
		vector<string> v;
		int pos = -1;
		int start = 0;
		while (true) {
			pos = data.find(",", start);
			if (pos == -1) {
				break;
			}
			string tmp = data.substr(start, pos - start);
			v.push_back(tmp);
			start = pos + 1;
		}
		this->m_Record.insert(make_pair(index, v));
		index++;
	}
	ifs.close();
}

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");
}

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();

		this->initSpeech();
		this->createSpeaker();
		this->loadRecord();
		cout << "清空成功！" << endl;
	}
	system("pause");
	system("cls");
}

3.4演讲比赛管理系统.cpp#

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


int main() {
	srand((unsigned int)time(NULL));
	SpeechManager sm;

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

		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;
}