From f324fdc408408e8fff0bd0ca8f6d2ae37a06e9ce Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=8E=9F=E6=9D=A5=E6=98=AF=E9=A3=8E=E5=8A=A8?= <110901221+my1487@users.noreply.github.com> Date: Thu, 23 Feb 2023 18:36:27 +0800 Subject: [PATCH] =?UTF-8?q?Delete=20=E6=BA=90.txt?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- "\346\272\220.txt" | 216 --------------------------------------------- 1 file changed, 216 deletions(-) delete mode 100644 "\346\272\220.txt" diff --git "a/\346\272\220.txt" "b/\346\272\220.txt" deleted file mode 100644 index c61b5f8..0000000 --- "a/\346\272\220.txt" +++ /dev/null @@ -1,216 +0,0 @@ -#define _CRT_SECURE_NO_WARNINGS -#include -#include -#include - -#define MAX_COURSES 100 // 最多可录入的课程数 -#define MAX_NAME_LEN 20 // 课程名称最大长度 -#define COURSE_FILE "courses.dat" // 课程信息保存文件名 -#define STUDENT_FILE "students.dat" // 学生信息保存文件名 - -// 定义课程的结构体 -typedef struct course { - int id; // 课程编号 - char name[MAX_NAME_LEN]; // 课程名称 - char type[10]; // 课程性质（公共课、必修课、选修课等） - int total_hours; // 总学时 - int teach_hours; // 授课学时 - int exp_hours; // 实验/上机学时 - float credit; // 学分 - int semester; // 开课学期 -} Course; - -// 定义学生的结构体 -typedef struct student { - int id; // 学号 - char name[MAX_NAME_LEN]; // 姓名 - int course_ids[MAX_COURSES]; // 所选课程的编号数组 - int num_courses; // 已选课程数 -} Student; - -// 定义课程信息保存的全局变量 -Course courses[MAX_COURSES]; -int num_courses = 0; - -// 从文件中读取课程信息 -void read_courses() { - FILE* file = fopen(COURSE_FILE, "rb"); - if (file != NULL) { - fread(&num_courses, sizeof(int), 1, file); - fread(courses, sizeof(Course), num_courses, file); - fclose(file); - } -} - -// 将课程信息保存到文件中 -void save_courses() { - FILE* file = fopen(COURSE_FILE, "wb"); - if (file != NULL) { - fwrite(&num_courses, sizeof(int), 1, file); - fwrite(courses, sizeof(Course), num_courses, file); - fclose(file); - } -} - -// 添加一个新的课程 -void add_course() { - Course course; - printf("请输入课程编号："); - scanf("%d", &course.id); - printf("请输入课程名称："); - scanf("%s", course.name); - printf("请输入课程性质："); - scanf("%s", course.type); - printf("请输入总学时："); - scanf("%d", &course.total_hours); - printf("请输入授课学时："); - scanf("%d", &course.teach_hours); - printf("请输入实验/上机学时："); - scanf("%d", &course.exp_hours); - printf("请输入学分："); - scanf("%f", &course.credit); - printf("请输入开课学期："); - scanf("%d", &course.semester); - courses[num_courses++] = course; - save_courses(); - printf("课程添加成功！\n"); -} - -// 浏览所有课程信息 -// 浏览所有课程信息 -void view_courses() { - printf("课程编号\t课程名称\t课程性质\t总学时\t授课学时\t实验/上机学时\t学分\t开课学期\n"); - for (int i = 0; i < num_courses; i++) { - Course course = courses[i]; - printf("%d\t%s\t%s\t%d\t%d\t%d\t%.1f\t%d\n", course.id, course.name, course.type, course.total_hours, - course.teach_hours, course.exp_hours, course.credit, course.semester); - } -} - -// 按学分查询课程 -void search_courses_by_credit() { - float credit; - printf("请输入学分："); - scanf("%f", &credit); - printf("查询结果如下：\n"); - for (int i = 0; i < num_courses; i++) { - Course course = courses[i]; - if (course.credit == credit) { - printf("%d\t%s\t%s\t%d\t%d\t%d\t%.1f\t%d\n", course.id, course.name, course.type, course.total_hours, - course.teach_hours, course.exp_hours, course.credit, course.semester); - } - } -} - -// 按课程性质查询课程 -void search_by_type() { - char search_type[20]; - printf("请输入要查询的课程性质（公共课、必修课、选修课）："); - scanf("%s", search_type); - - printf("查询结果如下：\n"); - printf("课程编号\t课程名称\t课程性质\t总学时\t授课学时\t实验/上机学时\t学分\t开课学期\n"); - printf("------------------------------------------------------------------------------------\n"); - - int found = 0; // 是否找到符合条件的课程 - for (int i = 0; i < num_courses; i++) { - Course course = courses[i]; - if (strcmp(course.type, search_type) == 0) { - printf("%d\t%s\t%s\t%d\t%d\t%d\t%.1f\t%d\n", course.id, course.name, course.type, course.total_hours, course.teach_hours, course.exp_hours, course.credit, course.semester); - found = 1; - } - } - - if (!found) { - printf("没有找到符合条件的课程！\n"); - } -} - - -// 学生选修课程 -void choose_courses() { - int student_id; - printf("请输入学生学号："); - scanf("%d", &student_id); - Student student; - student.id = student_id; - printf("请输入学生姓名："); - scanf("%s", student.name); - student.num_courses = 0; - while (1) { - int course_id; - printf("请输入要选修的课程编号（输入0结束）："); - scanf("%d", &course_id); - if (course_id == 0) { - break; - } - int found = 0; - for (int i = 0; i < num_courses; i++) { - if (courses[i].id == course_id) { - found = 1; - student.course_ids[student.num_courses++] = course_id; - break; - } - } - if (!found) { - printf("课程编号%d不存在，请重新输入！\n", course_id); - } - } - FILE* file = fopen(STUDENT_FILE, "ab"); - if (file != NULL) { - fwrite(&student, sizeof(Student), 1, file); - fclose(file); - printf("选课成功！\n"); - } - else { - printf("选课失败，请重试！\n"); - } -} - -// 主菜单 -void main_menu() { - printf("\n==== 选修课程系统 ====\n"); - printf("1. 浏览所有课程信息\n"); - printf("2. 添加课程信息\n"); - printf("3. 按学分查询课程\n"); - printf("4. 按课程性质查询课程\n"); - printf("5. 学生选课\n"); - printf("0. 退出系统\n"); - printf("=======================\n"); - printf("请选择操作编号："); -} - -int main() { - int choice; - do { - main_menu(); - scanf("%d", &choice); - - switch (choice) { - case 0: - printf("谢谢使用，再见！\n"); - break; - case 1: - view_courses(); - break; - case 2: - add_course(); - break; - case 3: - search_courses_by_credit(); - break; - case 4: - search_by_type(); - break; - case 5: - choose_courses(); - break; - default: - printf("无效的操作编号，请重新输入！\n"); - break; - } - } while (choice != 0); - - return 0; -} -