135 lines
3.2 KiB
C++
135 lines
3.2 KiB
C++
#pragma warning(disable:4996)
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#include"Exam.h"
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using namespace std;
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Exam::Exam(Examsave* insave) {
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this->save = *insave;
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studentnum = insave->studentnum;
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strcpy(name, insave->name);
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strcpy(filename, insave->filename);
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ifstream ibin(filename, ios::in, ios::binary);
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Item tmp;
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for (int i = 0; i < studentnum; i++) {
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ibin.read((char*)&tmp, sizeof(Item));
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items.push_back(tmp);
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}
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ibin.close();
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if (items.size() > 0) {
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sort(items.begin(), items.end());
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reverse(items.begin(), items.end());
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}
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}
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Exam::Exam(char inname[]) {
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strcpy(name, inname);
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studentnum = 0;
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ifstream tmp(inname, ios::in, ios::binary);
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if (tmp.good()) {
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string nname;
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nname += inname;
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for (auto i = 1; i < 100; i++) {
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nname += to_string(i);
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ifstream tmp(nname, ios::in, ios::binary);
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if (!tmp.good()) {
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break;
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}
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}
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strcpy(filename, nname.c_str());
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}
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else {
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strcpy(filename, inname);
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}
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}
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void Exam::addItem(long long int studentNo, double score[9]) {
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rmvItem(studentNo);
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Item tmp(studentNo, score);
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items.push_back(tmp);
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sort(items.begin(), items.end());
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reverse(items.begin(), items.end());
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studentnum++;
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}
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void Exam::addItem(const Item& item) {
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rmvItem(item.getStuNo());
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items.push_back(item);
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sort(items.begin(), items.end());
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reverse(items.begin(), items.end());
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studentnum++;
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}
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void Exam::saveAll(ofstream& examsout) {
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strcpy(save.filename, filename);
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strcpy(save.name, name);
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studentnum = items.size();
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save.studentnum = studentnum;
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ofstream obin(filename, ios::out, ios::binary);
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Item tmp;
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for (auto i = items.begin(); i < items.end(); i++) {
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tmp = *i;
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obin.write((char*)&tmp, sizeof(Item));
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}
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obin.close();
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examsout.write((char*)&this->save, sizeof(Examsave));
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}
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void Exam::dspHeader() {
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cout << setw(20) << "Ãû³Æ" << setw(15) << "ѧÉúÊý" << endl;
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}
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void Exam::dsp() const {
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cout << setw(20) << name << setw(15) << studentnum << endl;
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}
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void Exam::dspName() const {
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cout << name;
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}
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void Exam::dspName(int w) const {
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cout << setw(w) << name;
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}
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void Exam::dspItems() const {
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for (auto i = items.begin(); i < items.end(); i++) {
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i->dsp();
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cout << setw(6) << distance(items.begin(), i) + 1 << endl;
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}
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}
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void Exam::toCsvItems(ofstream& csv) const {
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for (auto i = items.begin(); i < items.end(); i++) {
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i->toCsv(csv);
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csv << distance(items.begin(), i) + 1 << endl;
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}
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}
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bool Exam::itemExists(long long int studentNo) const {
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for (auto i = items.begin(); i < items.end(); i++) {
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if (i->getStuNo()== studentNo) {
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return true;
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}
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}
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return false;
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}
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bool Exam::rmvItem(long long int studentNo) {
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for (auto i = items.begin(); i < items.end(); i++) {
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if (i->getStuNo() == studentNo) {
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items.erase(i);
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studentnum--;
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return true;
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}
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}
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return false;
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}
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void Exam::changeName(char name[]) {
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strcpy(this->name, name);
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}
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const Item* Exam::StudentInquiry(long long int studentNo) const{
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for (auto item = items.begin(); item < items.end(); item++) {
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if (item->getStuNo() == studentNo) {
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return &(*item);
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}
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}
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return nullptr;
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}
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int Exam::getStuRanking(const Item& item) {
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for (auto i = items.begin(); i < items.end(); i++) {
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if (i->stuNoEqual(item)) {
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return distance(items.begin(), i) + 1;
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}
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}
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return -1;
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}
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void Exam::rm() const {
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remove(filename);
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}
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