基于C++实现的演讲管理系统源码+sln解决方案.zip

#include"speechManager.h" #include"speaker.h" SpeechManager::SpeechManager() { initSpeech(); creatSpeaker(); loadScore(); } void SpeechManager::menu() { std::cout << "********************************************" << std::endl; std::cout << "************* 欢迎参加演讲比赛 ************" << std::endl; std::cout << "************* 1.开始演讲比赛 *************" << std::endl; std::cout << "************* 2.查看往届记录 *************" << std::endl; std::cout << "************* 3.清空比赛记录 *************" << std::endl; std::cout << "************* 0.退出比赛程序 *************" << std::endl; std::cout << "********************************************" << std::endl; std::cout << std::endl; } void SpeechManager::exit() { std::cout << "exit" << std::endl; } void SpeechManager::initSpeech() { v1.clear(); v2.clear(); vWin.clear(); m.clear(); mRecord.clear(); index = 1; } void SpeechManager::creatSpeaker() { std::string nameSeed = "ABCDEFGHIJKL"; for (int i = 0; i < 12; i++) { std::string name = "speaker"; name += nameSeed[i]; Speaker sp; sp.name = name; for (int j = 0; j < 2; j++) { sp.score[j] = 0; } v1.push_back(i + 10001); m.insert(std::make_pair(i + 10001, sp)); } } void SpeechManager::stareSpeech() { for (; index <= 2; index++) { drawSpeech(); speechScore(); showScore(); } saveScore(); initSpeech(); creatSpeaker(); loadScore(); } void SpeechManager::drawSpeech() { std::cout << "round" << index << " draw" << std::endl; std::vector<int> vDraw; if (index == 1) { vDraw = v1; } else { vDraw = v2; } random_shuffle(vDraw.begin(), vDraw.end()); for (std::vector<int>::iterator it = vDraw.begin(); it != vDraw.end(); it++) { std::cout << *it << std::endl; } system("pause"); system("cls"); } void SpeechManager::speechScore() { std::cout << "round" << index << " score" << std::endl; std::vector<int> vScore; std::multimap<double, int, std::greater<double>> group; int num = 0; if (index == 1) { vScore = v1; } else { vScore = v2; } for (std::vector<int>::iterator it = vScore.begin(); it != vScore.end(); it++) { std::deque<double> d; for (int i = 0; i < 10; i++) { double sc = (rand() % 601 + 400) / 10.0f; d.push_back(sc); } sort(d.begin(), d.end()); d.pop_front(); d.pop_back(); double score = (double)accumulate(d.begin(), d.end(), 0.0f) / (double)d.size(); m[*it].score[index - 1] = score; group.insert(std::make_pair(score, *it)); num++; if (!(num % 6)) { std::cout << "group" << num / 6 << std::endl; for (std::multimap<double, int, std::greater<int>>::iterator it = group.begin(); it!= group.end(); it++) { std::cout << "编号: " << it->second << " 姓名： " << this->m[it -> second].name << " 成绩： " << this->m[it->second].score[this->index - 1] << std::endl; } int count = 0; for (std::multimap<double, int>::iterator mit = group.begin(); mit != group.end() && count < 3; mit++, count++) { std::vector<int>* vNext; if (index == 1) { vNext = &v2; } else { vNext = &vWin; } vNext->push_back(mit->second); } group.clear(); } } system("pause"); system("cls"); } void SpeechManager::showScore() { std::vector<int> vShow; if (index == 1) { vShow = v2; } else { vShow = vWin; } for (std::vector<int>::iterator it = vShow.begin(); it != vShow.end(); it++) { std::cout << *it << m[*it].name << m[*it].score[index - 1] << std::endl; } system("pause"); system("cls"); } void SpeechManager::saveScore() { std::ofstream ofs("speech.csv", std::ios::out | std::ios::app); for (std::vector<int>::iterator it = vWin.begin(); it != vWin.end(); it++) { ofs << *it << "," << m[*it].name << "," << m[*it].score[1] << ","; } ofs << std::endl; ofs.close(); fileEmpty = false; } void SpeechManager::loadScore() { std::ifstream ifs("speech.csv", std::ios::in); if (!ifs.is_open()) { std::cout << "no file" << std::endl; ifs.close(); fileEmpty = true; return; } char ch; ifs >> ch; if (ifs.eof()) { std::cout << "empty" << std::endl; ifs.close(); fileEmpty = true; return; } ifs.putback(ch); fileEmpty = false; std::string data; int num = 1; while (ifs >> data) { std::vector<std::string> vDate; int pos = 0; int start = 0; while (true) { pos = data.find(",", start); if (pos == -1) { break; } vDate.push_back(data.substr(start, pos - start)); start = pos + 1; } mRecord.insert(make_pair(num, vDate)); num++; } ifs.close(); } void SpeechManager::showRecord() { if (fileEmpty) { std::cout << "no record" << std::endl; return; } for (std::map<int, std::vector<std::string>>::iterator it = mRecord.begin(); it != mRecord.end(); it++) { std::cout << it->first << " "; for (int i = 1; i <= 3; i++) { std::cout << "no." << i << " " << it->second[3 * (i - 1)] << " " << it->second[3 * (i - 1) + 1] << " " << it->second[3 * (i - 1) + 2] << " "; } std::cout << std::endl; } system("pause"); system("cls"); } void SpeechManager::clearRecord() { std::cout << "yes or no" << std::endl << "1 yes 0 no" << std::endl; int select = 0; do { std::cin >> select; if (select == 1) { std::ofstream ofs("speech.csv", std::ios::trunc); ofs.close(); initSpeech(); creatSpeaker(); loadScore(); std::cout << "clear successfully" << std::endl; break; } } while (select); system("pause"); system("cls"); } SpeechManager::~SpeechManager() { }