431 lines
10 KiB
C++
431 lines
10 KiB
C++
#include<iostream>
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#include"Menu.h"
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#include"MenuUtils.h"
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#include"StudentDAO.h"
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#include"GradeDAO.h"
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#include"CourseDAO.h"
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using namespace std;
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void mainMenu(_ConnectionPtr connection) {
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system("cls");
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printf("1.显示所有学生\n");
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printf("2.增加学生\n");
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printf("3.删除学生\n");
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printf("4.修改学生\n");
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printf("5.从文件导入学生信息\n");
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printf("6.导出学生信息到文件\n");
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printf("7.学生成绩管理\n");
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printf("8.课程管理\n");
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printf("0.退出\n");
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int opt = -1;
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checkOptInput(opt, 0, 8);
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switch (opt){
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case 1:
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showAllStudent(connection);
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break;
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case 2:
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insertStudent(connection);
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break;
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case 3:
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deleteStudent(connection);
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break;
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case 4:
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changeStudent(connection);
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break;
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case 5:
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importData(connection);
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break;
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case 6:
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exportData(connection);
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break;
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case 7:
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studentGradeMenu(connection);
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break;
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case 8:
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courseMenu(connection);
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break;
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default:
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exit(EXIT_SUCCESS);
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}
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printf("\n");
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}
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void studentGradeMenu(_ConnectionPtr connection) {
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while (true) {
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system("cls");
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printf("1.输入学生成绩\n");
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printf("2.获取学生平均成绩\n");
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printf("3.获取学生总成绩\n");
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printf("4.获取班级平均分\n");
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printf("5.获取班级最高分\n");
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printf("6.获取班级最低分\n");
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printf("7.获取班级成绩\n");
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printf("8.二级拓展菜单\n");
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printf("0.返回上一级\n");
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int opt = -1;
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checkOptInput(opt, 0, 8);
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printf("\n");
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string stuId, courseId;
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string stuClass, courseName;
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double grade = -1;
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int size;
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vector<Grade> *v;
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switch (opt) {
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case 1://输入学生成绩
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printf("请输入学号：");
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cin >> stuId;
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printf("请输入课程名：");
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cin >> courseId;
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printf("请输入分数(0-100)：");
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while (!(cin >> grade) || (opt < 0) || (opt > 100)) {
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cout << "输入错误！请重新输入：";
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cin.clear();
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while (cin.get() != '\n');
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}
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addGrade(connection, *new Grade(stuId, courseId, doubleToString(grade)));
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printf("添加成功！\n");
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break;
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case 2://获取学生平均成绩
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printf("请输入学号：");
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cin >> stuId;
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printf("学生平均成绩为：%.2lf\n", getOnesAvgGrade(connection, stuId));
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break;
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case 3://获取学生总成绩
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printf("请输入学号：");
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cin >> stuId;
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printf("学生总成绩为：%.2lf\n", getOnesAllGrade(connection, stuId));
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break;
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case 4://获取班级平均分
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printf("请输入班级：");
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cin >> stuClass;
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printf("请输入课程名：");
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cin >> courseName;
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cout << stuClass << "班级" << courseName << "课程的平均分为：" << getClassAvgGrade(connection, stuClass, courseName) << "\n";
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break;
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case 5://获取班级最高分
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printf("请输入班级：");
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cin >> stuClass;
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printf("请输入课程名：");
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cin >> courseName;
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cout << stuClass << "班级" << courseName << "课程的最高分为：" << getClassMaxGrade(connection, stuClass, courseName) << "\n";
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break;
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case 6://获取班级最低分
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printf("请输入班级：");
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cin >> stuClass;
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printf("请输入课程名：");
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cin >> courseName;
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cout << stuClass << "班级" << courseName << "课程的最低分为：" << getClassMinGrade(connection, stuClass, courseName) << "\n";
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break;
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case 7://获取班级成绩
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printf("请输入班级：");
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cin >> stuClass;
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v = getGradeByStuClass(connection, stuClass);
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if (v == NULL) {
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printf("该班级不存在！\n");
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break;
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}
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size = v->size();
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cout << "学号\t" << "课程名\t" << "成绩\n";
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for (int i = 0; i < size; i++) {
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cout << (*v)[i].getStuId() << "\t" << getCourseById(connection, (*v)[i].getCourseId())->getName() << "\t" << (*v)[i].getGradeStr() << "\n";
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}
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break;
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case 8://二级拓展菜单
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studentGradeExternMenu(connection);
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break;
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default://返回上一级
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return;
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}
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system("pause");
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}
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}
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void studentGradeExternMenu(_ConnectionPtr connection) {
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while (true) {
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system("cls");
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printf("1.删除某学生某科成绩\n");
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printf("2.删除某学生成绩\n");
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printf("3.删除某科成绩\n");
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printf("4.更改某学生某科成绩\n");
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printf("5.查询某学生某科成绩\n");
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printf("6.查询某学生成绩\n");
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printf("7.查询某科成绩\n");
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printf("8.查询所有成绩\n");
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printf("0.返回上一级\n");
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int opt = -1;
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checkOptInput(opt, 0, 8);
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printf("\n");
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string stuId, courseId;
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string stuClass, courseName;
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double grade = -1;
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int size;
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vector<Grade> *v;
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Grade* gra;
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Course* course;
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switch (opt) {
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case 1://删除某学生某科成绩
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printf("请输入学号：");
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cin >> stuId;
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printf("请输入课程名：");
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cin >> courseName;
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course = getCourseByName(connection, courseName);
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if (course == NULL) {
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printf("该课程不存在！\n");
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break;
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}
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deleteOnesGrade(connection, stuId, course->getId());
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printf("删除成功！\n");
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break;
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case 2://删除某学生成绩
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printf("请输入学号：");
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cin >> stuId;
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deleteGradeByStuId(connection, stuId);
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printf("删除成功！\n");
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break;
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case 3://删除某科成绩
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printf("请输入课程名：");
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cin >> courseName;
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course = getCourseByName(connection, courseName);
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if (course == NULL) {
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printf("该课程不存在！\n");
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break;
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}
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deleteGradeByCourseId(connection, course->getId());
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printf("删除成功！\n");
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break;
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case 4://更改某学生某科成绩
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printf("请输入学号：");
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cin >> stuId;
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printf("请输入课程名：");
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cin >> courseName;
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course = getCourseByName(connection, courseName);
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if (course == NULL) {
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printf("该课程不存在！\n");
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break;
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}
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printf("请输入新分数(0-100)：");
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while (!(cin >> grade) || (opt < 0) || (opt > 100)) {
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cout << "输入错误！请重新输入：";
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cin.clear();
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while (cin.get() != '\n');
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}
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updateOnesGrade(connection, stuId, course->getId(), doubleToString(grade));
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printf("更改成功！\n");
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break;
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case 5://查询某学生某科成绩
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printf("请输入学号：");
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cin >> stuId;
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printf("请输入课程名：");
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cin >> courseName;
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course = getCourseByName(connection, courseName);
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if (course == NULL) {
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printf("该课程不存在！\n");
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break;
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}
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gra = getOnesGrade(connection, stuId, course->getId());
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if (gra == NULL) {
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printf("该条记录不存在！\n");
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break;
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}
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cout << "学号\t" << "课程名\t" << "成绩\n";
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cout << (*gra).getStuId() << "\t" << getCourseById(connection, (*gra).getCourseId())->getName() << "\t" << (*gra).getGradeStr() << "\n";
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break;
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case 6://查询某学生成绩
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printf("请输入学号：");
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cin >> stuId;
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v = getGradeByStuId(connection, stuId);
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if (v == NULL) {
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printf("该学生不存在！\n");
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break;
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}
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size = v->size();
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cout << "学号\t" << "课程名\t" << "成绩\n";
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for (int i = 0; i < size; i++) {
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cout << (*v)[i].getStuId() << "\t" << getCourseById(connection, (*v)[i].getCourseId())->getName() << "\t" << (*v)[i].getGradeStr() << "\n";
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}
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break;
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case 7://查询某科成绩
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printf("请输入课程名：");
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cin >> courseName;
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course = getCourseByName(connection, courseName);
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if (course == NULL) {
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printf("该课程不存在！\n");
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break;
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}
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v = getGradeByCourseId(connection, course->getId());
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if (v == NULL) {
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printf("该课程不存在对应成绩！\n");
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break;
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}
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size = v->size();
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cout << "学号\t" << "课程名\t" << "成绩\n";
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for (int i = 0; i < size; i++) {
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cout << (*v)[i].getStuId() << "\t" << getCourseById(connection, (*v)[i].getCourseId())->getName() << "\t" << (*v)[i].getGradeStr() << "\n";
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}
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break;
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case 8://查询所有成绩
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v = getAllGrade(connection);
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if (v == NULL) {
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printf("无成绩记录！\n");
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break;
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}
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size = v->size();
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cout << "学号\t" << "课程名\t" << "成绩\n";
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for (int i = 0; i < size; i++) {
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cout << (*v)[i].getStuId() << "\t" << getCourseById(connection, (*v)[i].getCourseId())->getName() << "\t" << (*v)[i].getGradeStr() << "\n";
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}
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break;
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default://返回上一级
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return;
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}
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system("pause");
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}
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}
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void courseMenu(_ConnectionPtr connection) {
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while (true) {
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system("cls");
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printf("1.添加课程\n");
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printf("2.删除课程\n");
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printf("3.更改课程\n");
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printf("4.查询所有课程\n");
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printf("0.返回上一级\n");
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int opt = -1;
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checkOptInput(opt, 0, 8);
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printf("\n");
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int size;
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string courseId, courseName;
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vector<Course>* v;
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switch (opt) {
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case 1://添加课程
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printf("请输入课程号：");
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cin >> courseId;
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printf("请输入课程名：");
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cin >> courseName;
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addCourse(connection,*new Course(courseId, courseName));
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printf("添加成功！\n");
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break;
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case 2://删除课程
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printf("请输入课程号：");
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cin >> courseId;
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deleteCourse(connection, courseId);
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printf("删除成功！\n");
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break;
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case 3://更改课程
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printf("请输入课程号：");
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cin >> courseId;
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printf("请输入课程名：");
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cin >> courseName;
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updateCourseName(connection, courseId,courseName);
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printf("更新成功！\n");
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break;
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case 4://查询所有课程
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v = getAllCourse(connection);
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if (v == NULL) {
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printf("不存在课程记录！\n");
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break;
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}
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size = v->size();
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cout << "课程号\t" << "课程名\n";
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for (int i = 0; i < size; i++) {
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cout << (*v)[i].getId() << "\t" << (*v)[i].getName() << "\n";
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}
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break;
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default://返回上一级
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return;
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}
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system("pause");
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}
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}
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void showAllStudent(_ConnectionPtr connection) {
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vector<Student> vs = *getAllStudent(connection);
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int size = vs.size();
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for (int i = 0; i < size; i++) {
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cout << vs[i].toString() << "\n";
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}
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}
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void insertStudent(_ConnectionPtr connection) {
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Student *stu = new Student();
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string str;
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printf("请输入学号：");
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cin >> str;
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stu->setId(str);
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printf("请输入姓名：");
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cin >> str;
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stu->setName(str);
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printf("请输入性别：");
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cin >> str;
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stu->setSex(str);
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printf("请输入班级：");
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cin >> str;
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stu->setStuClass(str);
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printf("请输入学生状态(在读、休学、退学)：");
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cin >> str;
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stu->setStatus(str);
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addStudent(connection, *stu);
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printf("添加成功！\n");
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}
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void deleteStudent(_ConnectionPtr connection) {
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string id;
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printf("请输入待删除学生的学号：");
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cin >> id;
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Student *stu = getStudentById(connection,id);
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if (stu == NULL) {
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printf("该学生不存在！\n");
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return;
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}
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deleteStudent(connection, id);
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printf("删除成功！\n");
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}
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void changeStudent(_ConnectionPtr connection) {
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string id;
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printf("请输入待修改学生的学号：");
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cin >> id;
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Student* stu = getStudentById(connection, id);
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if (stu == NULL) {
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printf("该学生不存在！\n");
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return;
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}
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printf("请选择修改 班级(0) / 学生状态(1)：");
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int opt = -1;
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checkOptInput(opt, 0, 1);
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string input;
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switch (opt) {
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case 0:
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printf("\n请输入新班级：");
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cin >> input;
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updateStudentClass(connection,id,input);
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break;
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default:
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printf("\n请输入新状态：");
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cin >> input;
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updateStudentStatus(connection,id, input);
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break;
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}
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}
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void exportData(_ConnectionPtr connection) {
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}
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void importData(_ConnectionPtr connection) {
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} |