C语言如何实现教务管理系统

这篇文章主要介绍“C语言如何实现教务管理系统”，在日常操作中，相信很多人在C语言如何实现教务管理系统问题上存在疑惑，小编查阅了各式资料，整理出简单好用的操作方法，希望对大家解答”C语言如何实现教务管理系统”的疑惑有所帮助！接下来，请跟着小编一起来学习吧！

实现效果如图：

主界面：

教师端——注册账号

进入教师管理系统

文件的保存

代码如下：

#include<stdio.h>#include<stdlib.h>#include<string.h>typedef struct Teacher{    char name[10];//学生姓名    char iD[10];//学生学号    float score;//学生成绩}teacher;typedef struct{    teacher data;    struct Teacher* next;}Tutor;typedef struct manager{    char manAcc[10];    //账号    char manPassw[10];    //密码    struct manager* next;}Manager;Manager* managerHead;void mainMenu();//主菜单void studentPort();//学生端void showTeacherPort();//教师端void teacherRegister();//教师端账号注册void teacherLogin();//教师端登录int Password_Text_Find();//密码验证Manager* Manager_check();//账号核对void teacherPort();//教师端void tutorMenu();//教师管理菜单void teacherFunction();//教师端功能应用void insertStudentData();//学生信息录入void showStudentData();//学生信息展示void searchStudentData();//学生信息查询void changeStudentData();//学生信息修改Tutor* deleteStudentData();//学生信息删除Tutor* initTeacherList();//链表初始化Tutor* createNode();//创建结点void readInfoFromFile();void writeInfoToFile();int main(void){        int choice = 0;    while (1)    {        mainMenu();//主菜单        printf("\t请输入选择:");        scanf("%d", &choice);        switch (choice)        {        case 1:            teacherPort();            break;        case 2:            studentPort();            break;        case 3:            printf("您已退出系统！\n");            system("pause");            exit(0);        default:            printf("您的输入有误,请重新输入!\n");            break;        }        system("pause");        system("cls");    }}void mainMenu(){    system("color f0");    printf("-------------------------------------------------\n");    printf("*欢迎使用教务管理系统*\n");    printf("\t1.教师端\n");    printf("\t2.学生端\n");    printf("\t3.退出系统\n");    printf("-------------------------------------------------\n");}void studentPort(){    system("cls");    system("color b0");    printf("\n\n\n\n\n\n\n\t\t\t\t学生端暂时未写，有兴趣可以接着写！！！\n\n\n\n\n\n\n\n");}void showTeacherPort(){    system("CLS");    printf("\n\n\n\t\t\t\t 教师端");    printf("\n\t\t\t---------------------------------\n\n");    printf("\t\t\t\t1)注册\n");    printf("\t\t\t\t2)登录\n");    printf("\t\t\t\t0)返回\n");    printf("\n\t\t\t---------------------------------\n\n");}void tutorMenu(){    system("cls");    system("color 70");    printf("-------------------------------------------------\n");    printf("*欢迎进入教师端*\n");    printf("\t1.学生信息录入\n");    printf("\t2.学生信息展示\n");    printf("\t3.学生信息查询\n");    printf("\t4.学生信息修改\n");    printf("\t5.学生信息删除\n");    printf("\t6.学生数据保存\n");    printf("\t0.返回主菜单\n");    printf("-------------------------------------------------\n");}void teacherRegister(){    Manager* p = (Manager*)malloc(sizeof(Manager));    p->next = NULL;    printf("请输入注册账号:");    scanf("%s", p->manAcc);    printf("请输入账号密码:");    scanf("%s", p->manPassw);        if (managerHead == NULL)    {        managerHead = p;    }    else    {        p->next = managerHead;        managerHead = p;    }    printf("注册成功！\n");}Manager* Manager_check(char* Manager_num){    Manager* t = managerHead;    while (t)     {        if (strcmp(Manager_num, t->manAcc) != 0)        {            t = t->next;            continue;        }        return t;    }    return t;}int Password_Text_Find(char* Password){    char password_tem[20]="";    int tem = 0;    int n = 0;    //检测输入次数    while (n != 3)     {        scanf("%s", password_tem);        if (strcmp(password_tem, Password) == 0) {            tem = 1;            break;        }        else         {            n++;            printf("\n\t\t输入错误，请重新输入，你还有%d次机会：", 3 - n);        }    }    return tem;}void teacherLogin(){    char ID[10];    Manager* t;    printf("请输入账号:");    scanf("%s",ID);    t = Manager_check(ID);    if (!t)    {        printf("\t\t抱歉，账号不存在\n");        system("pause");        return;    }    printf("请输入密码：");    if (Password_Text_Find(t->manPassw) == 0)    {        printf("\n\t\t已经错误输入密码三次，将退出登录系统···\n");        system("pause");        return;    }        printf("\t\t登录成功···\n");    system("pause");    teacherFunction();}void teacherPort(){    while (1)    {        showTeacherPort();        char ch = getch();        switch(ch)        {        case '1':            teacherRegister();            break;        case '2':            teacherLogin();            break;        case '0':            return;        default:            printf("\t\t输入错误，请重新输入\n");            break;        }        system("pause");        system("cls");    }}void teacherFunction(){    Tutor* T = initTeacherList();    teacher data;    int choice = 0;    readInfoFromFile(T);    while (1)    {        tutorMenu();//教师菜单        printf("\t请输入选择:");        scanf("%d", &choice);        switch (choice)        {        case 1:            printf("\t1.学生信息录入\n");            printf("学生姓名:");            scanf("%s", data.name);            printf("学生学号:");            scanf("%s", data.iD);            printf("学生成绩:");            scanf("%f", &data.score);            insertStudentData(T, data);//录入学生信息                        break;        case 2:            showStudentData(T);            break;        case 3:            searchStudentData(T);            break;        case 4:            changeStudentData(T);            break;        case 5:                        T=deleteStudentData(T);            break;        case 6:            writeInfoToFile(T);            break;        case 0:            return;        default:            printf("您的输入有误,请重新输入!\n");            break;        }        system("pause");        system("cls");        }}Tutor* initTeacherList(){    Tutor* headNode = (Tutor*)malloc(sizeof(Tutor));    headNode->next = NULL;    return headNode;}Tutor* createNode(teacher data){    Tutor* newNode = (Tutor*)malloc(sizeof(Tutor));    newNode->data = data;    newNode->next = NULL;    return newNode;}void insertStudentData(Tutor* headNode,teacher data){    Tutor* newNode = createNode(data);        newNode->next = headNode->next;    headNode->next = newNode;    printf("\t录入成功！\n");}void showStudentData(Tutor* headNode){    Tutor* P = headNode->next;    printf("姓名\t学号\t成绩\t\n");    while (P)    {        printf("%s\t%s\t%f\n", P->data.name, P->data.iD, P->data.score);        P = P->next;    }}void searchStudentData(Tutor* headNode){    Tutor* P = headNode->next;    char ID[10] = " ";    printf("请输入查找的学生学号:");    scanf("%s", ID);    while (P)    {        if (strcmp(P->data.iD, ID) != 0)        {            P = P->next;            continue;        }        else        {            printf("姓名\t学号\t成绩\n");            printf("%s\t%s\t%f\n", P->data.name, P->data.iD, P->data.score);            return;        }    }    printf("\t目前不存在该学生信息！\n");    return;}void changeStudentData(Tutor* headNode){    Tutor* P = headNode->next;    char ID[10] = " ";    printf("请输入修改的学生学号:");    scanf("%s", ID);    while (P)    {        if (strcmp(P->data.iD, ID) != 0)        {            P = P->next;            continue;        }        else        {                    printf("\t请进行修改\n");            printf("学生姓名:");            scanf("%s", P->data.name);            printf("学生学号:");            scanf("%s", P->data.iD);            printf("学生成绩:");            scanf("%f", &P->data.score);            printf("已完成修改!\n");            return;        }    }    printf("\t目前不存在该学生信息！\n");    return;}Tutor* deleteStudentData(Tutor* headNode){    Tutor* head= headNode;    Tutor* node= head->next;    char ID[10] = " ";        if (headNode->next == NULL)    {        printf("\t当前数据为空!\n");        return headNode;    }        printf("请输入要删除的学生学号:");    scanf("%s", ID);    while (node!=NULL)    {        if (strcmp(node->data.iD, ID) != 0)        {            head = node;            node = node->next;            continue;        }        else        {            head->next = node->next;            free(node);            printf("\t删除成功!\n");            return headNode;        }    }    printf("\t未找到该学生的相关信息!\n");    return headNode;}//文件读操作void readInfoFromFile(Tutor* headNode){    FILE* fp;    struct Teacher data;    fp = fopen("1.txt", "r");    if (fp == NULL)    {        fp = fopen("1.txt", "w+");    }    //2.读文件    fscanf(fp, "姓名\t学号\t成绩\n");//fscanf--格式化读取数据    while (fscanf(fp, "%s\t%s\t%f\n", data.name, data.iD, &data.score) != EOF)    {        insertStudentData(headNode, data);    }    fclose(fp);}//文件写操作void writeInfoToFile(Tutor* headNode){    FILE* fp;    fp = fopen("1.txt", "w");    Tutor* pMove = headNode->next;    fprintf(fp, "姓名\t学号\t成绩\n"); //fprintf--写入格式化数据    while (pMove)    {        fprintf(fp, "%s\t%s\t%f\n",  pMove->data.name,pMove->data.iD, pMove->data.score);        pMove = pMove->next;    }    fclose(fp);}

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