C语言程序设计期末/课程设计/综合实验，学生成绩管理系统/教务管理系统

#include <stdio.h> #include <stdlib.h> #include <string.h> #define MAX_SUBJECTS 6 #define MAX_STUDENTS 30 #define MAX_NAME_LENGTH 50 struct Student { char id[20]; char name[MAX_NAME_LENGTH]; int scores[MAX_SUBJECTS]; float totalScore; float averageScore; }; //测试用例 void ceshi(struct Student* students, char subjects[][50], int* numStudents, int* numSubjects){ // 假设有三名学生 *numStudents=3; // 假设每位学生有三门课程成绩 *numSubjects=3; // 填充学生信息和成绩 strcpy(students[0].id, "001"); strcpy(students[0].name, "张三"); students[0].scores[0] = 80; students[0].scores[1] = 90; students[0].scores[2] = 85; students[0].totalScore = 80+90+85; students[0].averageScore = students[0].totalScore/3; strcpy(students[1].id, "002"); strcpy(students[1].name, "李四"); students[1].scores[0] = 75; students[1].scores[1] = 85; students[1].scores[2] = 90; students[1].totalScore = 75+85+90; students[1].averageScore = students[1].totalScore/3; strcpy(students[2].id, "003"); strcpy(students[2].name, "王五"); students[2].scores[0] = 77; students[2].scores[1] = 81; students[2].scores[2] = 93; students[2].totalScore = 77+81+93; students[2].averageScore = students[1].totalScore/3; strcpy(subjects[0], "语文"); strcpy(subjects[1], "数学"); strcpy(subjects[2], "英语"); printf("\n导入成功！"); printf("输入任意内容返回主菜单："); scanf("%s"); } //显示菜单 void displayMenu() { system("cls"); printf("1. Input record(录入学生信息)\n"); printf("2. Calculate total and average score of every course(打印每门课程的总分和平均分)\n"); printf("3. Calculate total and average score of every student(打印每个学生的总分和平均分)\n"); printf("4. Sort in descending order by total score of every student(按每个学生的总分降序排列)\n"); printf("5. Sort in ascending order by number(按学号由小到大排序)\n"); printf("6. Sort in dictionary order by name(按姓名的字典顺序排序)\n"); printf("7. Search by number(按学号查询学生信息)\n"); printf("8. Search by name(按姓名查询学生信息)\n"); printf("9. Statistic analysis for every course(每门课程统计分析)\n"); printf("10. List record (输出学生信息)\n"); printf("11. 一键导入测试数据\n"); printf("0. Exit(退出)\n"); printf("Please input your choice(请输入您的选择): "); } //录入学生信息 void storeStudentInfo(int* numStudents,struct Student* students,int* numSubjects,char (*subjects)[50]) { int i,j; // 输入学生人数 printf("请输入学生人数（不超过30）: "); scanf("%d", &*numStudents); // 输入科目数 printf("请输入科目数（不超过6）: "); scanf("%d", &*numSubjects); // 输入科目名称 for (i = 0; i < *numSubjects; i++) { printf("请输入第 %d 门科目的名称: ", i+1); scanf("%s", &subjects[i]); }; // 输入学生信息 for (i = 0; i < *numStudents; i++) { printf("hello!"); //初始化数据 students[i].totalScore=0; students[i].averageScore=0; // 输入学号和姓名 printf("\n请输入第 %d 位学生的学号: ", i + 1); scanf("%s", students[i].id); printf("请输入第 %d 位学生的姓名: ", i + 1); scanf("%s", students[i].name); // 输入每门科目的成绩 for (j = 0; j < *numSubjects; j++) { printf("请输入第 %d 位学生的 %s 成绩: ", i + 1, subjects[j]); scanf("%d", &students[i].scores[j]); students[i].totalScore += students[i].scores[j]; }; // 计算平均成绩 students[i].averageScore = (float)students[i].totalScore / *numSubjects; }; // 打印学生信息 printf("\n学生信息:\n"); printf("%-10s %-10s %-10s %-10s\n", "学号", "姓名", "总成绩", "平均成绩"); for (i = 0; i < *numStudents; i++) { struct Student *student = &students[i]; printf("|%-10s|%-10s|%-10.2f|%-10.2f|\n", student->id, student->name, student->totalScore, student->averageScore); } printf("输入任意内容返回主菜单："); scanf("%s"); }; //打印每科总分和平均分 void calculateCourseScores(int numStudents, struct Student* students, int numSubjects, char subjects[][50]) { int i, j; // 打印科目名称 printf("科目名称\t总分\t平均分\n"); // 计算每门科目的总分和平均分 for (j = 0; j < numSubjects; j++) { int totalScore = 0; float averageScore = 0.0; // 计算总分 for (i = 0; i < numStudents; i++) { totalScore += students[i].scores[j]; } // 计算平均分 averageScore = (float)totalScore / numStudents; // 打印科目总分和平均分 printf("%s\t\t%d\t%.2f\n", subjects[j], totalScore, averageScore); } printf("输入任意内容返回主菜单："); scanf("%s"); } //打印每个学生的总分和平均分 void calculateStudentScores(int numStudents, struct Student* students, int numSubjects) { int i; // 打印学生总分和平均分 printf("|学生姓名\t|总分\t|平均分\n"); for (i = 0; i < numStudents; i++) { printf("|%s\t\t|%.2f\t|%.2f|\n", students[i].name, students[i].totalScore, students[i].averageScore); } printf("输入任意内容返回主菜单："); scanf("%s"); } //学生总分由高到低排序 void sortStudentsByTotalScore(int numStudents, struct Student* students) { int i, j; struct Student temp; // 使用冒泡排序按总分由高到低排序学生 for (i = 0; i < numStudents - 1; i++) { for (j = 0; j < numStudents - i - 1; j++) { if (students[j].totalScore < students[j + 1].totalScore) { temp = students[j]; students[j] = students[j + 1]; students[j + 1] = temp; }; }; }; // 打印排序后的学生信息 printf("学生ID\t\t姓名\t\t总分\t\t平均分\n"); for (i = 0; i < numStudents; i++) { printf("%s\t\t%s\t\t%.2f\t\t%.2f\n", students[i].id, students[i].name, students[i].totalScore, students[i].averageScore); } printf("输入任意内容返回主菜单："); scanf("%s"); } //学生学号由小到大 void sortStudentsById(int numStudents, struct Student* students) { int i, j; struct Student temp; // 使用冒泡排序按学生id由小到大排序 for (i = 0; i < numStudents - 1; i++) { for (j = 0; j < numStudents - i - 1; j++) { if (strcmp(students[j].id, students[j + 1].id) > 0) { temp = students[j]; students[j] = students[j + 1]; students[j + 1] = temp; } } } // 打印排序后的学生信息 printf("学生ID\t\t姓名\t\t总分\t\t平均分\n"); for (i = 0; i < numStudents; i++) { printf("%s\t\t%s\t\t%.2f\t\t%.2f\n", students[i].id, students[i].name, students[i].totalScore, students[i].averageScore); } printf("输入任意内容返回主菜单："); scanf("%s"); } //按学生姓名的字典顺序排序并打印 void printStudentInfoByName(int numStudents, struct Student* students) { int i, j; struct Student temp; // 使用冒泡排序按学生id由小到大排序 for (i = 0; i < numStudents - 1; i++) { for (j = 0; j < numStudents - i - 1; j++) { if (strcmp(students[j].name, students[j + 1].name) > 0) { temp = students[j]; students[j] = students[j + 1]; students[j + 1] = temp;