大一下程序设计

由于上学期 决策不当，和lql大佬两个人做了个十分简单的五子棋小游戏，导致含泪拿中，所以这学期一个人肝了个400行的高校师生信息管理系统。

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设计流程图：

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部分运行界面截图：

代码如下：

#include <map>
#include <set>
#include <list>
#include <queue>
#include <deque>
#include <cmath>
#include <stack>
#include <vector>
#include <cstdio>
#include <string>
#include <cstring>
#include <iostream>
#include <windows.h>
#include <algorithm>
using namespace std;
int teacher_counter = 1, student_counter = 1;
class PERSON //person类，作为student类和teacher类的父类
{
public:
    string Name, Professional, ID, Gender, Telephone;
    int Age;
} person[1000000];

class STUDENT : public PERSON //student类，公有继承person类
{
public:
    int Math, PE, C_Language, English;
    STUDENT()
    {
        Math = PE = C_Language = English = 0;
    }
    void out_student1()
    {
        printf("姓名：%s\n职业：%s\n学号：%s\n性别：%s\n年龄：%d\n电话号码：%s\n", Name.c_str(), Professional.c_str(), ID.c_str(), Gender.c_str(), Age, Telephone.c_str());
    }
    void out_student2()
    {
        int sum = Math + PE + C_Language + English;
        printf("数学：%d\n体育：%d\nC语言：%d\n英语：%d\n平均分：%.2f\n", Math, PE, C_Language, English, 1.0 * sum / 4);
    }
} student[1000000];
class TEACHER : public PERSON //teacher类，公有继承person类
{
public:
    string xueli;
    int gonzi;
    TEACHER()
    {
        string xueli = "大学";
        gonzi = 0;
    }
    void out_teacher1()
    {
        printf("姓名：%s\n职业：%s\n学号：%s\n性别：%s\n年龄：%d\n电话号码：%s\n", Name.c_str(), Professional.c_str(), ID.c_str(), Gender.c_str(), Age, Telephone.c_str());
    }
    void out_teacher2()
    {
        printf("学历：%s\n工资：%d\n", xueli.c_str(), gonzi);
    }
} teacher[1000000];

void menu() //打印菜单
{
    system("cls");
    printf(" —————————————————————————————\n");
    printf("|****************************|\n");
    printf("|*高校师生信息管理系统主菜单*|\n");
    printf("|*******1.新增教师信息*******|\n");
    printf("|*******2.新增学生信息*******|\n");
    printf("|*******3.删除教师信息*******|\n");
    printf("|*******4.删除学生信息*******|\n");
    printf("|*******5.查询教师信息*******|\n");
    printf("|*******6.查询学生信息*******|\n");
    printf("|*******7.查询师生人数*******|\n");
    printf("|*******8.安全退出系统*******|\n");
    printf("|*****9.输出所有基本信息*****|\n");
    printf("|*!!!使用结束务必安全退出!!!*|\n");
    printf(" —————————————————————————————\n");
    printf("\n          ————————————————————————By.hesorchen\n\n\n");

}
void option1() //对饮操作1
{
    system("cls");
    string str1, str2, str3, str4, str5, str6;
    int b1, b2, b3, b4, b5;
    cout << "请输入姓名：\n";
    cin >> str1;
    cout << "请输入工号：\n";
    cin >> str3;
    cout << "请输入性别：\n";
    cin >> str4;
    cout << "请输入电话号码：\n";
    cin >> str5;
    cout << "请输入年龄：\n";
    cin >> b1;
    cout << "请输入学历：\n";
    cin >> str6;
    cout << "请输入工资：\n";
    cin >> b3;
    teacher[teacher_counter].Name = str1;
    teacher[teacher_counter].Professional = "教师";
    teacher[teacher_counter].ID = str3;
    teacher[teacher_counter].Gender = str4;
    teacher[teacher_counter].Telephone = str5;
    teacher[teacher_counter].Age = b1;
    teacher[teacher_counter].xueli = str6;
    teacher[teacher_counter++].gonzi = b3;
    cout << "教师信息录入成功！" << endl;
    system("pause");
}
void option2() //对饮操作2
{
    system("cls");
    string str1, str2, str3, str4, str5, str6;
    int b1, b2, b3, b4, b5;
    cout << "请输入姓名：\n";
    cin >> str1;
    cout << "请输入学号：\n";
    cin >> str3;
    cout << "请输入性别：\n";
    cin >> str4;
    cout << "请输入电话号码：\n";
    cin >> str5;
    cout << "请输入年龄：\n";
    cin >> b1;
    cout << "请输入数学成绩：\n";
    cin >> b2;
    cout << "请输入体育成绩：\n";
    cin >> b3;
    cout << "请输入C语言成绩：\n";
    cin >> b4;
    cout << "请输入英语成绩：\n";
    cin >> b5;
    student[student_counter].Name = str1;
    student[student_counter].Professional = "学生";
    student[student_counter].ID = str3;
    student[student_counter].Gender = str4;
    student[student_counter].Telephone = str5;
    student[student_counter].Age = b1;
    student[student_counter].Math = b2;
    student[student_counter].PE = b3;
    student[student_counter].C_Language = b4;
    student[student_counter++].English = b5;
    cout << "学生信息录入成功！" << endl;
    system("pause");
}
void option3() //对饮操作3
{
    system("cls");
    cout << "请输入要删除的教师信息的教师工号：\n";
    string num;
    cin >> num;
    int len = num.size();
    int pos = -1;
    for (int i = 1; i < teacher_counter; i++)
    {
        if (teacher[i].ID.substr(0, len) == num)
        {
            pos = i;
            break;
        }
    }
    if (pos == -1)
        cout << "没有该工号的教师！" << endl;
    else
    {
        cout << "姓名：";
        printf("%s\n", teacher[pos].Name.c_str());
        cout << "职业：";
        printf("%s\n", teacher[pos].Professional.c_str());
        cout << "工号：";
        printf("%s\n", teacher[pos].ID.c_str());
        cout << "性别：";
        printf("%s\n", teacher[pos].Gender.c_str());
        cout << "电话号码：";
        printf("%s\n", teacher[pos].Telephone.c_str());
        cout << "年龄：";
        printf("%d\n", teacher[pos].Age);
        cout << "学历：";
        printf("%s\n", teacher[pos].xueli.c_str());
        cout << "确认删除该教师信息吗？" << endl;
        cout << "输入1确认，输入2取消：\n";
        int flagg = 0;
        cin >> flagg;
        if (flagg == 1)
        {
            cout << "成功删除该教师信息！" << endl;
            teacher[pos].Name = "***";
        }
        else
            cout << "取消操作！" << endl;
    }

    system("pause");
}
void option4() //对饮操作4
{
    system("cls");
    cout << "请输入要删除的学生信息的学生学号：\n";
    string num;
    cin >> num;
    int len = num.size();
    int pos = -1;
    for (int i = 1; i < student_counter; i++)
    {
        if (student[i].ID.substr(0, len) == num)
        {
            pos = i;
            break;
        }
    }
    if (pos == -1)
        cout << "没有该学号的学生！" << endl;
    else
    {
        cout << "姓名：";
        printf("%s\n", student[pos].Name.c_str());
        cout << "职业：";
        printf("%s\n", student[pos].Professional.c_str());
        cout << "学号：";
        printf("%s\n", student[pos].ID.c_str());
        cout << "性别：";
        printf("%s\n", student[pos].Gender.c_str());
        cout << "电话号码：";
        printf("%s\n", student[pos].Telephone.c_str());
        cout << "年龄：";
        printf("%d\n", student[pos].Age);
        cout << "确认删除该学生信息吗？" << endl;
        cout << "输入1确认，输入2取消：\n";
        int flagg = 0;
        cin >> flagg;
        if (flagg == 1)
        {
            cout << "成功删除该学生信息！" << endl;
            student[pos].Name = "***";
        }
        else
            cout << "取消操作！" << endl;
    }

    system("pause");
}
void option5() //对饮操作5
{
    system("cls");
    cout << "请输入要查询的教师信息的教师工号：\n";
    string num;
    cin >> num;
    int len = num.size();
    int pos = -1;
    for (int i = 1; i < teacher_counter; i++)
    {
        if (teacher[i].ID.substr(0, len) == num)
        {
            pos = i;
            break;
        }
    }
    if (pos == -1)
        cout << "没有该工号的教师！" << endl;
    else
    {
        teacher[pos].out_teacher1();
        teacher[pos].out_teacher2();
    }
    system("pause");
}
void option6() //对饮操作6
{
    system("cls");
    cout << "请输入要查询的学生信息的学生学号：\n";
    string num;
    cin >> num;
    int len = num.size();
    int pos = -1;
    for (int i = 1; i < student_counter; i++)
    {
        if (student[i].ID.substr(0, len) == num)
        {
            pos = i;
            break;
        }
    }
    if (pos == -1)
        cout << "没有该学号的学生！" << endl;
    else
    {
        student[pos].out_student1();
        student[pos].out_student2();
    }
    system("pause");
}
void option7() //对饮操作7
{
    system("cls");
    cout << "全校共有教师" << teacher_counter - 1 << "人" << endl;
    cout << "        学生" << student_counter - 1 << "人" << endl;
    system("pause");
}
void option9() //对饮操作9
{
    system("cls");
    cout << "总共" << student_counter - 1 << "位学生信息如下：\n";
    for (int i = 1; i < student_counter; i++)
    {
        cout << "第" << i << "位学生的基本信息："
             << ":\n";
        student[i].out_student1();
        cout << endl;
    }

    cout << "总共" << teacher_counter - 1 << "位教师信息如下：\n";
    for (int i = 1; i < teacher_counter; i++)
    {
        cout << "第" << i << "位教师的基本信息："
             << ":\n";
        teacher[i].out_teacher1();
        cout << endl;
    }
    system("pause");
}
void operation() //选择操作
{
    while (1) //只有退出系统才会break
    {
        menu();
        int option;
        cin >> option;

        if (option == 1)
            option1();
        else if (option == 2)
            option2();
        else if (option == 3)
            option3();
        else if (option == 4)
            option4();
        else if (option == 5)
            option5();
        else if (option == 6)
            option6();
        else if (option == 7)
            option7();
        else if (option == 8)
        {
            system("cls");
            cout << "感谢使用,系统已经安全退出" << endl;
            return;
        }
        else if (option == 9)
            option9();
    }
}
void read() //读取文件中的师生信息
{
    FILE *fp = fopen("message.txt", "a+");
    char ch = fgetc(fp);
    if (ch == EOF)
        fprintf(fp, "*** ***\n*** ***");
    fseek(fp, 0, SEEK_SET);
    int ff = 0;
    while (!feof(fp))
    {
        string str1, str2, str3, str4, str5, str6;
        int b1, b2, b3, b4, b5;
        str1.resize(20);
        str2.resize(20);
        str3.resize(20);
        str4.resize(20);
        str5.resize(20);
        str6.resize(20);
        fscanf(fp, "%s%s", &str1[0], &str2[0]);
        if (str2[0] == '*')
        {
            ff = 1;
            continue;
        }
        if (!ff)
        {
            fscanf(fp, "%s%s%s%d%d%d%d%d", &str3[0], &str4[0], &str5[0], &b1, &b2, &b3, &b4, &b5);
            student[student_counter].Name = str1;
            student[student_counter].Professional = str2;
            student[student_counter].ID = str3;
            student[student_counter].Gender = str4;
            student[student_counter].Telephone = str5;
            student[student_counter].Age = b1;
            student[student_counter].Math = b2;
            student[student_counter].PE = b3;
            student[student_counter].C_Language = b4;
            student[student_counter++].English = b5;
        }
        else if (ff && str2[0] != '*')
        {
            fscanf(fp, "%s%s%s%d%s%d", &str3[0], &str4[0], &str5[0], &b1, &str6[0], &b2);
            teacher[teacher_counter].Name = str1;
            teacher[teacher_counter].Professional = str2;
            teacher[teacher_counter].ID = str3;
            teacher[teacher_counter].Gender = str4;
            teacher[teacher_counter].Telephone = str5;
            teacher[teacher_counter].Age = b1;
            teacher[teacher_counter].xueli = str6;
            teacher[teacher_counter++].gonzi = b2;
        }
    }
    fclose(fp);
    fp = fopen("message.txt", "w");
    fclose(fp); //清空文件重新打开文件
}
void save() //退出系统时，把程序中的信息重新写入到文件中
{
    FILE *fp = fopen("message.txt", "a+");
    for (int i = 1; i < student_counter; i++)
    {
        if (student[i].Name[0] == '*')
            continue;
        fprintf(fp, "%s ", student[i].Name.c_str());
        fprintf(fp, "%s ", student[i].Professional.c_str());
        fprintf(fp, "%s ", student[i].ID.c_str());
        fprintf(fp, "%s ", student[i].Gender.c_str());
        fprintf(fp, "%s ", student[i].Telephone.c_str());
        fprintf(fp, "%d ", student[i].Age);
        fprintf(fp, "%d ", student[i].Math);
        fprintf(fp, "%d ", student[i].PE);
        fprintf(fp, "%d ", student[i].C_Language);
        fprintf(fp, "%d\n", student[i].English);
    }
    fprintf(fp, "*** ***\n");
    for (int i = 1; i < teacher_counter; i++)
    {
        if (teacher[i].Name[0] == '*')
            continue;
        fprintf(fp, "%s ", teacher[i].Name.c_str());
        fprintf(fp, "%s ", teacher[i].Professional.c_str());
        fprintf(fp, "%s ", teacher[i].ID.c_str());
        fprintf(fp, "%s ", teacher[i].Gender.c_str());
        fprintf(fp, "%s ", teacher[i].Telephone.c_str());
        fprintf(fp, "%d ", teacher[i].Age);
        fprintf(fp, "%s ", teacher[i].xueli.c_str());
        fprintf(fp, "%d\n", teacher[i].gonzi);
    }
    fprintf(fp, "*** ***");
    fclose(fp);
}
int main()
{
    read();      //读取文件信息
    operation(); //对系统进行的操作
    save();      //保存修改后的文件信息
    return 0;
}