This commit is contained in:
2025-07-16 00:25:11 +08:00
committed by GitHub
parent a9a0e571cb
commit 74ed54f7f4
4 changed files with 0 additions and 1143 deletions
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/**
* @file auxiliary.c
* @brief 辅助函数实现文件
* @note 实现系统中使用的各种辅助函数
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#ifdef _WIN32
#include <windows.h>
#include <direct.h>
#include <conio.h>
#else
#include <sys/stat.h>
#include <unistd.h>
#include <termios.h>
#endif
#include "auxiliary.h"
#include "config.h"
#include "globals.h"
#include "stu.data.h"
#include "user_manage.h"
/**
* @brief 清理输入缓冲区
*/
void clearInputBuffer()
{
int c;
while ((c = getchar()) != '\n' && c != EOF)
;
}
/**
* @brief 暂停系统,等待用户按键
*/
void pauseSystem()
{
printf("\n按任意键继续...");
#ifdef _WIN32
_getch();
#else
getchar();
#endif
printf("\n");
}
/**
* @brief 清屏
*/
void clearScreen()
{
#ifdef _WIN32
system("cls");
#else
system("clear");
#endif
}
/**
* @brief 打印分隔线
*/
void printSeparator()
{
printf("========================================\n");
}
/**
* @brief 打印标题头
* @param title 标题文本
*/
void printHeader(const char *title)
{
printSeparator();
printf(" %s\n", title);
printSeparator();
}
/**
* @brief 验证分数是否合法
* @param score 分数
* @return 合法返回true,否则返回false
*/
bool isValidScore(float score)
{
return score >= MIN_SCORE && score <= MAX_SCORE;
}
/**
* @brief 验证学号格式
* @param id 学号
* @return 合法返回true,否则返回false
*/
bool isValidStudentID(const char *id)
{
if (id == NULL || strlen(id) == 0 || strlen(id) >= MAX_ID_LENGTH)
{
return false;
}
// 检查是否只包含数字和字母
for (int i = 0; id[i] != '\0'; i++)
{
if (!isalnum(id[i]))
{
return false;
}
}
return true;
}
/**
* @brief 验证姓名格式
* @param name 姓名
* @return 合法返回true,否则返回false
*/
bool isValidName(const char *name)
{
if (name == NULL || strlen(name) == 0 || strlen(name) >= MAX_NAME_LENGTH)
{
return false;
}
// 检查是否包含非法字符
for (int i = 0; name[i] != '\0'; i++)
{
if (!isalpha(name[i]) && name[i] != ' ' && name[i] != '-' &&
(unsigned char)name[i] < 128)
{ // 允许中文字符
return false;
}
}
return true;
}
/**
* @brief 验证性别
* @param gender 性别字符
* @return 合法返回true,否则返回false
*/
bool isValidGender(char gender)
{
return gender == GENDER_MALE || gender == GENDER_FEMALE;
}
/**
* @brief 验证年龄
* @param age 年龄
* @return 合法返回true,否则返回false
*/
bool isValidAge(int age)
{
return age >= 10 && age <= 100;
}
/**
* @brief 去除字符串首尾空格
* @param str 字符串
*/
void trimString(char *str)
{
if (str == NULL)
return;
// 去除开头空格
char *start = str;
while (isspace(*start))
start++;
// 去除结尾空格
char *end = str + strlen(str) - 1;
while (end > start && isspace(*end))
end--;
// 移动字符串
int len = end - start + 1;
memmove(str, start, len);
str[len] = '\0';
}
/**
* @brief 判断字符串是否为空
* @param str 字符串
* @return 为空返回true,否则返回false
*/
bool isEmptyString(const char *str)
{
if (str == NULL)
return true;
while (*str)
{
if (!isspace(*str))
return false;
str++;
}
return true;
}
/**
* @brief 检查文件是否存在
* @param filename 文件名
* @return 存在返回true,否则返回false
*/
bool fileExists(const char *filename)
{
FILE *file = fopen(filename, "r");
if (file)
{
fclose(file);
return true;
}
return false;
}
/**
* @brief 创建目录
* @param path 目录路径
* @return 成功返回true,否则返回false
*/
bool createDirectory(const char *path)
{
#ifdef _WIN32
return _mkdir(path) == 0 || errno == EEXIST;
#else
return mkdir(path, 0755) == 0 || errno == EEXIST;
#endif
}
/**
* @brief 计算平均分
* @param scores 分数数组
* @param count 分数个数
* @return 平均分
*/
float calculateAverage(float scores[], int count)
{
if (count <= 0)
return 0.0;
float sum = 0.0;
for (int i = 0; i < count; i++)
{
sum += scores[i];
}
return sum / count;
}
/**
* @brief 安全输入整数
* @param prompt 提示信息
* @param min 最小值
* @param max 最大值
* @return 输入的整数
*/
int safeInputInt(const char *prompt, int min, int max)
{
int value;
char buffer[100];
while (1)
{
printf("%s (%d-%d): ", prompt, min, max);
if (fgets(buffer, sizeof(buffer), stdin) != NULL)
{
if (sscanf(buffer, "%d", &value) == 1)
{
if (value >= min && value <= max)
{
return value;
}
}
}
printError("输入无效,请重新输入!");
}
}
/**
* @brief 安全输入浮点数
* @param prompt 提示信息
* @param min 最小值
* @param max 最大值
* @return 输入的浮点数
*/
float safeInputFloat(const char *prompt, float min, float max)
{
float value;
char buffer[100];
while (1)
{
printf("%s (%.1f-%.1f): ", prompt, min, max);
if (fgets(buffer, sizeof(buffer), stdin) != NULL)
{
if (sscanf(buffer, "%f", &value) == 1)
{
if (value >= min && value <= max)
{
return value;
}
}
}
printError("输入无效,请重新输入!");
}
}
/**
* @brief 安全输入字符串
* @param prompt 提示信息
* @param buffer 缓冲区
* @param maxLen 最大长度
*/
void safeInputString(const char *prompt, char *buffer, int maxLen)
{
while (1)
{
printf("%s: ", prompt);
if (fgets(buffer, maxLen, stdin) != NULL)
{
// 移除换行符
buffer[strcspn(buffer, "\n")] = '\0';
trimString(buffer);
if (!isEmptyString(buffer))
{
return;
}
}
printError("输入不能为空,请重新输入!");
}
}
/**
* @brief 彩色输出
* @param text 文本
* @param color 颜色代码
*/
void printColored(const char *text, const char *color)
{
printf("%s%s%s", color, text, COLOR_RESET);
}
/**
* @brief 成功消息
* @param message 消息
*/
void printSuccess(const char *message)
{
printColored(message, COLOR_GREEN);
printf("\n");
}
/**
* @brief 错误消息
* @param message 消息
*/
void printError(const char *message)
{
printColored(message, COLOR_RED);
printf("\n");
}
/**
* @brief 警告消息
* @param message 消息
*/
void printWarning(const char *message)
{
printColored(message, COLOR_YELLOW);
printf("\n");
}
/**
* @brief 信息消息
* @param message 消息
*/
void printInfo(const char *message)
{
printColored(message, COLOR_CYAN);
printf("\n");
}
/**
* @brief 初始化系统
* @return 成功返回true,否则返回false
*/
bool initializeSystem()
{
// 创建数据目录
if (!createDataDirectories())
{
return false;
}
// 加载用户数据
loadUsersFromFile();
// 加载学生数据
loadStudentsFromFile();
systemInitialized = true;
return true;
}
/**
* @brief 创建数据目录
* @return 成功返回true,否则返回false
*/
bool createDataDirectories()
{
if (!createDirectory("data"))
{
return false;
}
if (!createDirectory(BACKUP_DIR))
{
return false;
}
return true;
}
/**
* @brief 清理系统资源
*/
void cleanupSystem()
{
// 保存数据
if (dataModified)
{
saveStudentsToFile();
saveUsersToFile();
}
systemInitialized = false;
}
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/**
* @file auxiliary.h
* @brief 辅助函数头文件
* @note 包含系统中使用的各种辅助函数声明
*/
#ifndef AUXILIARY_H
#define AUXILIARY_H
#include <stdbool.h>
#include "main_menu.h"
// 输入输出辅助函数
void clearInputBuffer(); // 清理输入缓冲区
void pauseSystem(); // 暂停系统,等待用户按键
void clearScreen(); // 清屏
void printSeparator(); // 打印分隔线
void printHeader(const char* title); // 打印标题头
// 数据验证函数
bool isValidScore(float score); // 验证分数是否合法 (0-100)
bool isValidStudentID(const char* id); // 验证学号格式
bool isValidName(const char* name); // 验证姓名格式
bool isValidGender(char gender); // 验证性别
bool isValidAge(int age); // 验证年龄
// 字符串处理函数
void trimString(char* str); // 去除字符串首尾空格
bool isEmptyString(const char* str); // 判断字符串是否为空
void toLowerCase(char* str); // 转换为小写
void toUpperCase(char* str); // 转换为大写
// 文件操作辅助函数
bool fileExists(const char* filename); // 检查文件是否存在
bool createDirectory(const char* path); // 创建目录
bool backupFile(const char* source, const char* backup); // 备份文件
// 数学计算辅助函数
float calculateAverage(float scores[], int count); // 计算平均分
float findMaxScore(float scores[], int count); // 找最高分
float findMinScore(float scores[], int count); // 找最低分
// 安全输入函数
int safeInputInt(const char* prompt, int min, int max); // 安全输入整数
float safeInputFloat(const char* prompt, float min, float max); // 安全输入浮点数
void safeInputString(const char* prompt, char* buffer, int maxLen); // 安全输入字符串
char safeInputChar(const char* prompt, const char* validChars); // 安全输入字符
// 系统初始化和清理函数
bool initializeSystem(); // 初始化系统
void cleanupSystem(); // 清理系统资源
bool createDataDirectories(); // 创建数据目录
// 颜色输出函数
void printColored(const char* text, const char* color); // 彩色输出
void printSuccess(const char* message); // 成功消息
void printError(const char* message); // 错误消息
void printWarning(const char* message); // 警告消息
void printInfo(const char* message); // 信息消息
#endif // AUXILIARY_H
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#ifndef STU_DATA_H
#define STU_DATA_H
#include "config.h"
// 学生数据管理相关函数 (CRUD)
void loadStudentsFromFile(); // 从文件加载学生数据
void saveStudentsToFile(); // 将学生数据保存到文件
void addStudent(); // 增加学生信息
void deleteStudent(); // 删除学生信息
void modifyStudent(); // 修改学生信息
void searchStudentByID(); // 按学号查找学生
void searchStudentByName(); // 按姓名查找学生
void displayAllStudents(); // 显示所有学生信息
void displayStudentInfo(const Student* student); // 显示单个学生信息
void sortStudents(int criteria, int order); // 统一排序函数,根据参数选择排序依据和升降序
#endif // STU_DATA_H
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/**
* @file stu_data.c
* @brief 学生数据管理实现文件
* @note 实现学生信息的增删改查功能
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "stu.data.h"
#include "config.h"
#include "globals.h"
#include "auxiliary.h"
#include "statistical_analysis.h"
/**
* @brief 从CSV文件加载学生数据
*/
void loadStudentsFromFile() {
FILE* file = fopen(STUDENTS_FILE, "r");
if (file == NULL) {
studentCount = 0;
printInfo("学生数据文件不存在,将创建新文件。");
return;
}
char line[1024];
studentCount = 0;
// 跳过CSV头部
if (fgets(line, sizeof(line), file) == NULL) {
fclose(file);
studentCount = 0;
return;
}
// 读取学生数据
while (fgets(line, sizeof(line), file) != NULL && studentCount < MAX_STUDENTS) {
Student* student = &students[studentCount];
memset(student, 0, sizeof(Student));
// 解析CSV行
char* token = strtok(line, ",");
if (token == NULL) continue;
// 学号
strncpy(student->studentID, token, MAX_ID_LENGTH - 1);
// 姓名
token = strtok(NULL, ",");
if (token == NULL) continue;
strncpy(student->name, token, MAX_NAME_LENGTH - 1);
// 年龄
token = strtok(NULL, ",");
if (token == NULL) continue;
student->age = atoi(token);
// 性别
token = strtok(NULL, ",");
if (token == NULL) continue;
student->gender = token[0];
// 课程数量
token = strtok(NULL, ",");
if (token == NULL) continue;
student->courseCount = atoi(token);
// 课程和成绩
for (int i = 0; i < student->courseCount && i < MAX_COURSES; i++) {
// 课程名称
token = strtok(NULL, ",");
if (token == NULL) break;
strncpy(student->courses[i], token, MAX_COURSE_NAME_LENGTH - 1);
// 成绩
token = strtok(NULL, ",");
if (token == NULL) break;
student->scores[i] = atof(token);
}
// 总分
token = strtok(NULL, ",");
if (token != NULL) {
student->totalScore = atof(token);
}
// 平均分
token = strtok(NULL, ",");
if (token != NULL) {
student->averageScore = atof(token);
}
studentCount++;
}
fclose(file);
// 更新统计信息
statsNeedUpdate = true;
}
/**
* @brief 将学生数据保存到CSV文件
*/
void saveStudentsToFile() {
FILE* file = fopen(STUDENTS_FILE, "w");
if (file == NULL) {
printError("无法保存学生数据!");
return;
}
// 写入CSV头部
fprintf(file, "学号,姓名,年龄,性别,课程数量");
for (int i = 0; i < MAX_COURSES; i++) {
fprintf(file, ",课程%d,成绩%d", i+1, i+1);
}
fprintf(file, ",总分,平均分\n");
// 写入学生数据
for (int i = 0; i < studentCount; i++) {
Student* student = &students[i];
// 基本信息
fprintf(file, "%s,%s,%d,%c,%d",
student->studentID,
student->name,
student->age,
student->gender,
student->courseCount);
// 课程和成绩
for (int j = 0; j < MAX_COURSES; j++) {
if (j < student->courseCount) {
fprintf(file, ",%s,%.2f", student->courses[j], student->scores[j]);
} else {
fprintf(file, ",,"); // 空的课程和成绩
}
}
// 总分和平均分
fprintf(file, ",%.2f,%.2f\n", student->totalScore, student->averageScore);
}
fclose(file);
dataModified = false;
printSuccess("学生数据已保存到CSV文件!");
}
/**
* @brief 添加学生信息
*/
void addStudent() {
clearScreen();
printHeader("添加学生信息");
if (studentCount >= MAX_STUDENTS) {
printError("学生数量已达上限!");
pauseSystem();
return;
}
Student newStudent;
memset(&newStudent, 0, sizeof(Student));
printf("\n");
// 输入学号
while (1) {
safeInputString("请输入学号", newStudent.studentID, MAX_ID_LENGTH);
if (!isValidStudentID(newStudent.studentID)) {
printError("学号格式无效!");
continue;
}
// 检查学号是否已存在
bool exists = false;
for (int i = 0; i < studentCount; i++) {
if (strcmp(students[i].studentID, newStudent.studentID) == 0) {
printError("学号已存在!");
exists = true;
break;
}
}
if (!exists) break;
}
// 输入姓名
while (1) {
safeInputString("请输入姓名", newStudent.name, MAX_NAME_LENGTH);
if (isValidName(newStudent.name)) break;
printError("姓名格式无效!");
}
// 输入年龄
newStudent.age = safeInputInt("请输入年龄", 10, 100);
// 输入性别
while (1) {
printf("请输入性别 (M/F): ");
char gender;
scanf(" %c", &gender);
clearInputBuffer();
if (isValidGender(gender)) {
newStudent.gender = gender;
break;
}
printError("性别输入无效!请输入 M 或 F");
}
// 输入课程信息
printf("\n开始输入课程信息:\n");
newStudent.courseCount = 0;
while (newStudent.courseCount < MAX_COURSES) {
printf("\n第 %d 门课程:\n", newStudent.courseCount + 1);
safeInputString("课程名称",
newStudent.courses[newStudent.courseCount],
MAX_COURSE_NAME_LENGTH);
newStudent.scores[newStudent.courseCount] =
safeInputFloat("课程分数", MIN_SCORE, MAX_SCORE);
newStudent.courseCount++;
if (newStudent.courseCount < MAX_COURSES) {
printf("\n是否继续添加课程?(y/n): ");
char choice;
scanf(" %c", &choice);
clearInputBuffer();
if (choice != 'y' && choice != 'Y') {
break;
}
}
}
// 计算总分和平均分
calculateStudentStats(&newStudent);
// 添加到数组
students[studentCount] = newStudent;
studentCount++;
// 标记数据已修改
dataModified = true;
statsNeedUpdate = true;
printSuccess("学生信息添加成功!");
printf("学号: %s\n", newStudent.studentID);
printf("姓名: %s\n", newStudent.name);
printf("总分: %.2f\n", newStudent.totalScore);
printf("平均分: %.2f\n", newStudent.averageScore);
pauseSystem();
}
/**
* @brief 删除学生信息
*/
void deleteStudent() {
clearScreen();
printHeader("删除学生信息");
if (studentCount == 0) {
printWarning("暂无学生数据!");
pauseSystem();
return;
}
char studentID[MAX_ID_LENGTH];
printf("\n");
safeInputString("请输入要删除的学生学号", studentID, MAX_ID_LENGTH);
// 查找学生
for (int i = 0; i < studentCount; i++) {
if (strcmp(students[i].studentID, studentID) == 0) {
printf("\n找到学生信息:\n");
printf("学号: %s\n", students[i].studentID);
printf("姓名: %s\n", students[i].name);
printf("\n确认删除?(y/n): ");
char choice;
scanf(" %c", &choice);
clearInputBuffer();
if (choice == 'y' || choice == 'Y') {
// 移动后面的学生向前
for (int j = i; j < studentCount - 1; j++) {
students[j] = students[j + 1];
}
studentCount--;
dataModified = true;
statsNeedUpdate = true;
printSuccess("学生信息删除成功!");
} else {
printInfo("删除操作已取消。");
}
pauseSystem();
return;
}
}
printError("未找到该学号的学生!");
pauseSystem();
}
/**
* @brief 修改学生信息
*/
void modifyStudent() {
clearScreen();
printHeader("修改学生信息");
if (studentCount == 0) {
printWarning("暂无学生数据!");
pauseSystem();
return;
}
char studentID[MAX_ID_LENGTH];
printf("\n");
safeInputString("请输入要修改的学生学号", studentID, MAX_ID_LENGTH);
// 查找学生
for (int i = 0; i < studentCount; i++) {
if (strcmp(students[i].studentID, studentID) == 0) {
printf("\n找到学生信息:\n");
printf("学号: %s\n", students[i].studentID);
printf("姓名: %s\n", students[i].name);
printf("年龄: %d\n", students[i].age);
printf("性别: %c\n", students[i].gender);
printf("\n修改选项:\n");
printf("1. 修改姓名\n");
printf("2. 修改年龄\n");
printf("3. 修改性别\n");
printf("4. 修改课程成绩\n");
printf("0. 返回\n");
int choice = safeInputInt("请选择修改项", 0, 4);
switch (choice) {
case 1: // 修改姓名
safeInputString("请输入新姓名", students[i].name, MAX_NAME_LENGTH);
break;
case 2:
students[i].age = safeInputInt("请输入新年龄", 10, 100);
break;
case 3:
while (1) {
printf("请输入新性别 (M/F): ");
char gender;
scanf(" %c", &gender);
clearInputBuffer();
if (isValidGender(gender)) {
students[i].gender = gender;
break;
}
printError("性别输入无效!");
}
break;
case 4:
printf("\n当前课程列表:\n");
for (int j = 0; j < students[i].courseCount; j++) {
printf("%d. %s: %.2f\n", j + 1, students[i].courses[j], students[i].scores[j]);
}
printf("\n修改选项:\n");
printf("1. 修改现有课程成绩\n");
printf("2. 添加新课程\n");
printf("3. 删除课程\n");
printf("0. 返回\n");
int courseChoice = safeInputInt("请选择操作", 0, 3);
switch (courseChoice) {
case 1: // 修改现有课程成绩
if (students[i].courseCount == 0) {
printWarning("该学生没有课程记录!");
break;
}
int courseIndex = safeInputInt("请选择要修改的课程", 1, students[i].courseCount) - 1;
students[i].scores[courseIndex] = safeInputFloat("新成绩", MIN_SCORE, MAX_SCORE);
break;
case 2: // 添加新课程
if (students[i].courseCount >= MAX_COURSES) {
printWarning("课程数量已达上限!");
break;
}
safeInputString("课程名称", students[i].courses[students[i].courseCount], MAX_COURSE_NAME_LENGTH);
students[i].scores[students[i].courseCount] = safeInputFloat("课程成绩", MIN_SCORE, MAX_SCORE);
students[i].courseCount++;
break;
case 3: // 删除课程
if (students[i].courseCount == 0) {
printWarning("该学生没有课程记录!");
break;
}
courseIndex = safeInputInt("请选择要删除的课程", 1, students[i].courseCount) - 1;
// 移动数组元素
for (int k = courseIndex; k < students[i].courseCount - 1; k++) {
strcpy(students[i].courses[k], students[i].courses[k + 1]);
students[i].scores[k] = students[i].scores[k + 1];
}
students[i].courseCount--;
break;
}
break;
case 0:
return;
}
if (choice == 4) {
calculateStudentStats(&students[i]);
}
dataModified = true;
statsNeedUpdate = true;
printSuccess("学生信息修改成功!");
pauseSystem();
return;
}
}
printError("未找到该学号的学生!");
pauseSystem();
}
/**
* @brief 修改学生课程成绩
*/
/**
* @brief 按学号查找学生
*/
void searchStudentByID() {
clearScreen();
printHeader("按学号查找学生");
if (studentCount == 0) {
printWarning("暂无学生数据!");
pauseSystem();
return;
}
char studentID[MAX_ID_LENGTH];
printf("\n");
safeInputString("请输入学号", studentID, MAX_ID_LENGTH);
for (int i = 0; i < studentCount; i++) {
if (strcmp(students[i].studentID, studentID) == 0) {
displayStudentInfo(&students[i]);
pauseSystem();
return;
}
}
printError("未找到该学号的学生!");
pauseSystem();
}
/**
* @brief 按姓名查找学生
*/
void searchStudentByName() {
clearScreen();
printHeader("按姓名查找学生");
if (studentCount == 0) {
printWarning("暂无学生数据!");
pauseSystem();
return;
}
char name[MAX_NAME_LENGTH];
printf("\n");
safeInputString("请输入姓名(支持模糊查找)", name, MAX_NAME_LENGTH);
bool found = false;
for (int i = 0; i < studentCount; i++) {
if (strstr(students[i].name, name) != NULL) {
if (!found) {
printf("\n找到以下匹配的学生:\n");
printSeparator();
found = true;
}
displayStudentInfo(&students[i]);
printf("\n");
}
}
if (!found) {
printError("未找到匹配的学生!");
}
pauseSystem();
}
/**
* @brief 显示所有学生信息
*/
void displayAllStudents() {
clearScreen();
printHeader("所有学生信息");
if (studentCount == 0) {
printWarning("暂无学生数据!");
pauseSystem();
return;
}
printf("\n");
// 调整中文表头的对齐格式,考虑中文字符的显示宽度
printf("%-10s %-12s %-6s %-6s %-8s %-8s\n",
"学号", "姓名", "年龄", "性别", "总分", "平均分");
printf("========================================\n");
for (int i = 0; i < studentCount; i++) {
printf("%-10s %-12s %-6d %-6c %-8.2f %-8.2f\n",
students[i].studentID,
students[i].name,
students[i].age,
students[i].gender,
students[i].totalScore,
students[i].averageScore);
}
printf("\n总学生数: %d\n", studentCount);
pauseSystem();
}
/**
* @brief 显示单个学生详细信息
*/
void displayStudentInfo(const Student* student) {
printf("\n学生详细信息:\n");
printSeparator();
printf("学号: %s\n", student->studentID);
printf("姓名: %s\n", student->name);
printf("年龄: %d\n", student->age);
printf("性别: %c\n", student->gender);
printf("课程数量: %d\n", student->courseCount);
if (student->courseCount > 0) {
printf("\n课程成绩:\n");
for (int i = 0; i < student->courseCount; i++) {
printf(" %s: %.2f分\n",
student->courses[i],
student->scores[i]);
}
printf("\n总分: %.2f\n", student->totalScore);
printf("平均分: %.2f\n", student->averageScore);
}
}
/**
* @brief 排序学生信息
*/
void sortStudents(int criteria, int order) {
if (studentCount <= 1) return;
// 使用冒泡排序
for (int i = 0; i < studentCount - 1; i++) {
for (int j = 0; j < studentCount - 1 - i; j++) {
bool shouldSwap = false;
switch (criteria) {
case SORT_BY_ID:
shouldSwap = (order == SORT_ASCENDING) ?
strcmp(students[j].studentID, students[j + 1].studentID) > 0 :
strcmp(students[j].studentID, students[j + 1].studentID) < 0;
break;
case SORT_BY_NAME:
shouldSwap = (order == SORT_ASCENDING) ?
strcmp(students[j].name, students[j + 1].name) > 0 :
strcmp(students[j].name, students[j + 1].name) < 0;
break;
case SORT_BY_TOTAL_SCORE:
shouldSwap = (order == SORT_ASCENDING) ?
students[j].totalScore > students[j + 1].totalScore :
students[j].totalScore < students[j + 1].totalScore;
break;
case SORT_BY_AVERAGE_SCORE:
shouldSwap = (order == SORT_ASCENDING) ?
students[j].averageScore > students[j + 1].averageScore :
students[j].averageScore < students[j + 1].averageScore;
break;
}
if (shouldSwap) {
Student temp = students[j];
students[j] = students[j + 1];
students[j + 1] = temp;
}
}
}
dataModified = true;
}