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#include <stdio.h>
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#include <malloc.h>
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#include <stdlib.h>
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#include <string.h>
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#define SIZE_STU 10
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#define SIZE_COU 10
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#define SIZE_SEL 10
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//////////////函数声明部分
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void home(void);
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void stu_operate(void);
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void cou_operate(void);
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void statistic(void);
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void choose(void);
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void delete_sel(int);
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//--学生信息部分：
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void input_stu(void);
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void search_stu(void);
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void search_stu_id(void);
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void search_stu_name(void);
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void show_stu(void);
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void edit_stu(void);
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void renew_stu(void);
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void delete_stu(void);
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//--课程信息部分：
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void input_cou(void);
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void search_cou(void);
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void search_cou_id(void);
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void search_cou_name(void);
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void show_cou(void);
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void edit_cou(void);
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void renew_cou(void);
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void delete_cou(void);
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/*学生信息结构体*/
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struct student_info {
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char stu_ID[9];
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char stu_name[5];
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char sex[9];
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char age[9];
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char collage[9];
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char grade[9];
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char contact[9];
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}stu[SIZE_STU];
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/*课程信息结构体*/
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struct course_info {
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char course_ID[9];
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char course_name[9];
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char property[9];
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char period[9];
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char credit[9];
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char time[9];
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int people;
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}cou[SIZE_COU];
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/*选课记录结构体*/
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struct select {
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int s;//存放学生信息的数组下标
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int c;//存放课程信息的数组下标
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}sel[SIZE_SEL];
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//全局变量i,j,x分别是学生,课程,选课信息数组下标
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int i = -1;
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int j = -1;
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int x = -1;
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int main(void){
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//进入欢迎界面
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system("color f3");
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home();
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return 0;
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}
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//欢迎界面
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void home(void) {
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printf("\n-------------------------欢迎进入湖南工业大学学生选课系统！----------------------");
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int h;
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printf("\n\n 请选择你要进行的操作：");
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printf("\n\n 1.学生操作");
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printf("\n 2.课程操作");
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printf("\n 3.开始选课");
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printf("\n 4.选课统计");
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printf("\n 5.退出系统");
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printf("\n ");
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printf("\n 请输入：");
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scanf("%d",&h);
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system("cls");
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switch(h){
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case 1:
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stu_operate();
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break;
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case 2:
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cou_operate();
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break;
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case 3:
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choose();
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break;
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case 4:
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statistic();
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break;
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default:
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system("cls");
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printf("BYE!");
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break;
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}
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}
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/*开始选课*/
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void choose(void){
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/* FILE *fp1,*fp2;
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int count;
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struct student_info stu[10];
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struct course_info cou[10];
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if(NULL==(fp1=fopen("G:\\课程设计\\student.txt","r")))
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{
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printf("打开文件失败");
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exit(0);
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}
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for(int o=0;o<10;o++)
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{
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if(!feof(fp1))
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{
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fscanf(fp1,"%s%s%s%s%s%s%s",stu[o].stu_ID,stu[o].stu_name,stu[o].sex,stu[o].age,stu[o].collage,stu[o].grade,stu[o].contact);
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count=o+1;
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continue;
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}
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}
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fclose(fp1);
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if(NULL==(fp2=fopen("G:\\课程设计\\course.txt","r")))
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{
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printf("打开文件失败");
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exit(0);
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}
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for(int o=0;o<10;o++)
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{
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if(!feof(fp2))
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{
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fscanf(fp2,"%s%s%s%s%s%s%d",cou[o].course_ID,cou[o].course_name,cou[o].property,cou[o].period,cou[o].credit,cou[o].time,cou[o].people);
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count=o+1;
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continue;
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}
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}
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fclose(fp2);*/
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char stu_id[10],cou_id[10];
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printf("\n-------------------------欢迎进入湖南工业大学学生选课系统！----------------------");
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//输入选课学生信息
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printf("\n\n 请输入选课人学号：");
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fflush(stdin);
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scanf("%s",stu_id);
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int h,flag = 0;
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for(h = 0;h <= i;h++){
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if(strcmp(stu[h].stu_ID,stu_id)==0){
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flag = 0;
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break;
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} else {
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flag = 1;
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}
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}
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if(flag||i==-1){
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printf("\n 不存在此学号\n");
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system("pause");
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system("cls");
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home();
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}
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//录入姓名信息
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x++;
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sel[x].s = h;
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//输入课程信息
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printf("\n\n 请输入选修课程号：");
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fflush(stdin);
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scanf("%s",cou_id);
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flag = 0;
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for(h = 0;h <= j;h++){
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if(strcmp(cou[h].course_ID,cou_id)==0){
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flag = 0;
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break;
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} else {
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flag = 1;
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}
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}
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if(flag||j==-1){
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printf("\n 不存在此课程号\n");
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x--;
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system("pause");
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system("cls");
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home();
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}
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//录入课程信息
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sel[x].c = h;
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cou[h].people++;
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printf("\n 录入成功!\n");
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system("pause");
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system("cls");
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home();
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}
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/*删除选课记录*/
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void delete_sel(int q){//删除第q+1条记录
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/*注意！本函数没有将x减1，请在函数外手动减1（考虑外层函数循环的需要）*/
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int h;
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cou[sel[q].c].people--;
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for(h = q;q < x;h++){
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q++;
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sel[h].c = sel[q].c;
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sel[h].s = sel[q].s;
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}
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}
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//对学生记录进行操作
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void stu_operate(void) {
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printf("\n-------------------------欢迎进入湖南工业大学学生选课系统！----------------------");
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printf("\n\n 请选择你要对学生记录进行的操作：");
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printf("\n\n 1.添加");
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printf("\n 2.查询");
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printf("\n 3.显示");
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printf("\n 4.返回主页面");
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printf("\n ");
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printf("\n 请输入：");
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int i;
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scanf("%d",&i);
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system("cls");
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switch(i){
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case 1://添加学生信息
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input_stu();
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break;
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case 2://查询学生信息
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search_stu();
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break;
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case 3://显示所有学生信息
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show_stu();
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break;
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case 4:
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home();
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break;
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}
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}
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//对课程记录进行操作
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void cou_operate(void) {
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printf("\n-------------------------欢迎进入湖南工业大学学生选课系统！----------------------");
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printf("\n\n 请选择你要对课程记录进行的操作：");
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printf("\n\n 1.添加");
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printf("\n 2.查询");
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printf("\n 3.显示");
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printf("\n 4.返回主页面");
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printf("\n ");
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printf("\n 请输入：");
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int i;
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scanf("%d",&i);
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system("cls");
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switch(i){
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case 1:
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input_cou();
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break;
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case 2:
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search_cou();
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break;
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case 3:
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show_cou();
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case 4:
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home();
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break;
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}
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}
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//选课信息统计记录
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void statistic(void){
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printf("\n-------------------------欢迎进入湖南工业大学学生选课系统！----------------------");
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printf("\n\n 共有学生信息：%d 条",i+1);
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printf("\n 共有课程信息：%d 条",j+1);
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if(x == -1){
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printf("\n 选课记录：0 条");
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printf("\n\n ");
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system("pause");
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system("cls");
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home();
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} else {
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printf("\n\n 选课记录 %d 条：",x+1);
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int m;
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for(m = 0;m <= x;m++){
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printf("\n ================");
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printf("\n 第%d条",m+1);
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printf("\n 学生学号：%s",stu[sel[m].s].stu_ID);
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printf("\n 学生姓名：%s",stu[sel[m].s].stu_name);
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printf("\n 课程号：%s",cou[sel[m].c].course_ID);
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printf("\n 课程名：%s",cou[sel[m].c].course_name);
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}
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printf("\n\n ");
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system("pause");
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system("cls");
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home();
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}
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}
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//--------------------------------------学生信息插入--------------------------------------
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void input_stu(void){
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char flag;
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FILE * fp;
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//--判断文件是否为空
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fp = fopen("student.txt","a+");
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flag = fgetc(fp);
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if(flag==EOF){
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fprintf(fp,"学号\t姓名\t性别\t年龄\t系别\t班级\t联系方式\n");
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}
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fclose(fp);
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//--
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fp = fopen("student.txt","a+");
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if(fp == NULL){
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printf("打开文件失败！");
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system("cls");
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home();
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}
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printf("学号\t姓名\t性别\t年龄\t系别\t班级\t联系方式\n");
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while(1){
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i++;
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scanf("%s %s %s %s %s %s %s",&stu[i].stu_ID,&stu[i].stu_name,&stu[i].sex,&stu[i].age,&stu[i].collage,&stu[i].grade,&stu[i].contact);
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//--数据查重
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int h;
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for(h = 0;h < i;h++){
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if(i == 0) break;//第一条数据不需要查重
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if (strcmp(stu[h].stu_ID,stu[i].stu_ID)==0) {
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printf("该学号已存在，请重新输入！\n");
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scanf("\n%s %s %s %s %s %s %s",&stu[i].stu_ID,&stu[i].stu_name,&stu[i].sex,&stu[i].age,&stu[i].collage,&stu[i].grade,&stu[i].contact);
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h = -1;
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}
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}
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//--
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fprintf(fp,"%s\t%s\t%s\t%s\t%s\t%s\t%s\n",stu[i].stu_ID,stu[i].stu_name,stu[i].sex,stu[i].age,stu[i].collage,stu[i].grade,stu[i].contact);
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printf("\n录入成功，继续录入输入y，返回上一级请按任意键：");
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fflush(stdin);
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scanf("%c",&flag);
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fclose(fp);
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if(flag!='y'&&'Y') break;
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fp = fopen("student.txt","a");
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}
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renew_stu();
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system("cls");
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home();
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}
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/*查询学生信息*/
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void search_stu(void){
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system("cls");
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printf("\n请选择查询方式：");
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printf("\n 1.学号查询");
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printf("\n 2.姓名查询");
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printf("\n请选择：");
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int h;
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scanf(" %d",&h);
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switch(h){
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case 1:
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search_stu_id();
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break;
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case 2:
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search_stu_name();
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break;
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}
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}
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/*学号查询*/
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void search_stu_id(void){
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system("cls");
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char id[9];
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printf("\n输入学生的学号:");
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fflush(stdin);
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scanf("%s",id);
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int h;
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for(h = 0;h <= i;h++){
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if(strcmp(stu[h].stu_ID,id)==0){
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system("cls");
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printf("查找成功!");
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printf("\n\n\t学号\t姓名\t性别\t年龄\t系别\t班级\t联系方式");
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printf("\n\t-----------------------------------------------------------------");
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printf("\n\t%s\t%s\t%s\t%s\t%s\t%s\t%s\n",stu[h].stu_ID,stu[h].stu_name,stu[h].sex,stu[h].age,stu[h].collage,stu[h].grade,stu[h].contact);
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system("pause");
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system("cls");
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stu_operate();
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}
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}
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system("cls");
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printf("没有此学号！\n");
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system("pause");
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system("cls");
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stu_operate();
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}
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/*姓名查询*/
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void search_stu_name(void){
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system("cls");
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char name[9];
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printf("\n输入学生的姓名:");
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fflush(stdin);
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scanf("%s",name);
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int h;
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for(h = 0;h <= i;h++){
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if(strcmp(stu[h].stu_name,name)==0){
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system("cls");
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printf("查找成功!");
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printf("\n\n\t学号\t姓名\t性别\t年龄\t系别\t班级\t联系方式");
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printf("\n\t---------------------------------------------------------");
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printf("\n\t%s\t%s\t%s\t%s\t%s\t%s\t%s\n",stu[h].stu_ID,stu[h].stu_name,stu[h].sex,stu[h].age,stu[h].collage,stu[h].grade,stu[h].contact);
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system("pause");
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system("cls");
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stu_operate();
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}
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}
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system("cls");
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printf("没有此姓名！");
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system("pause");
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system("cls");
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stu_operate();
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}
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/*显示所有学生信息*/
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void show_stu(void){
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int h;
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|
|
if(i == -1){
|
|
|
printf("\n还没有录入信息！\n");
|
|
|
system("pause");
|
|
|
system("cls");
|
|
|
stu_operate();
|
|
|
}
|
|
|
system("cls");
|
|
|
printf("\n\n\t学号\t姓名\t性别\t年龄\t系别\t班级\t联系方式");
|
|
|
printf("\n\t---------------------------------------------------------");
|
|
|
for(h = 0;h <= i;h++){
|
|
|
printf("\n\t%s\t%s\t%s\t%s\t%s\t%s\t%s\n",stu[h].stu_ID,stu[h].stu_name,stu[h].sex,stu[h].age,stu[h].collage,stu[h].grade,stu[h].contact);
|
|
|
}
|
|
|
//
|
|
|
fflush(stdin);
|
|
|
printf("\n\t1.修改");
|
|
|
printf("\n\t2.删除");
|
|
|
printf("\n\t3.返回");
|
|
|
printf("\n\n 选择要进行的操作：");
|
|
|
int flag;
|
|
|
fflush(stdin);
|
|
|
scanf("%d",&flag);
|
|
|
switch(flag){
|
|
|
case 1:
|
|
|
edit_stu();
|
|
|
break;
|
|
|
case 2:
|
|
|
delete_stu();
|
|
|
break;
|
|
|
default:
|
|
|
system("cls");
|
|
|
stu_operate();
|
|
|
break;
|
|
|
|
|
|
}
|
|
|
}
|
|
|
/*编辑学生信息*/
|
|
|
void edit_stu(void){
|
|
|
printf("\n输入需要编辑的学生的学号：");
|
|
|
char id[10];
|
|
|
getchar();
|
|
|
scanf("%s",id);
|
|
|
int h;
|
|
|
for(h = 0;h <= i;h++){
|
|
|
if(strcmp(stu[h].stu_ID,id)==0){//找到需要编辑的行
|
|
|
system("cls");
|
|
|
printf("\n\n\t学号\t姓名\t性别\t年龄\t系别\t班级\t联系方式");
|
|
|
printf("\n\t---------------------------------------------------------");
|
|
|
printf("\n\t%s\t%s\t%s\t%s\t%s\t%s\t%s\n",stu[h].stu_ID,stu[h].stu_name,stu[h].sex,stu[h].age,stu[h].collage,stu[h].grade,stu[h].contact);
|
|
|
printf("\n这是修改前的数据，请依次输入修改值：\n\t");
|
|
|
fflush(stdin);
|
|
|
scanf("%s %s %s %s %s %s %s",&stu[h].stu_ID,&stu[h].stu_name,&stu[h].sex,&stu[h].age,&stu[h].collage,&stu[h].grade,&stu[h].contact);
|
|
|
int k;
|
|
|
for(k = 0;k <= i;k++){
|
|
|
if(strcmp(stu[k].stu_ID,stu[h].stu_ID)==0){
|
|
|
if(k==h){
|
|
|
continue;
|
|
|
} else {//学号不唯一
|
|
|
printf("\n此学号已存在！重新输入学号：");
|
|
|
fflush(stdin);
|
|
|
scanf("%s",&stu[h].stu_ID);
|
|
|
k = -1;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
/*将修改信息写入文件*/
|
|
|
//思想：将原文件重新写入一遍
|
|
|
renew_stu();
|
|
|
system("cls");
|
|
|
printf("修改成功！\n");
|
|
|
system("pause");
|
|
|
system("cls");
|
|
|
stu_operate();
|
|
|
}
|
|
|
}
|
|
|
printf("\n此学号不存在！\n");
|
|
|
system("pause");
|
|
|
system("cls");
|
|
|
stu_operate();
|
|
|
}
|
|
|
/*删除学生信息*/
|
|
|
void delete_stu(void){
|
|
|
printf("\n输入需要编辑的学生的学号：");
|
|
|
char id[10];
|
|
|
getchar();
|
|
|
scanf("%s",id);
|
|
|
int h;
|
|
|
for(h = 0;h <= i;h++){
|
|
|
if(strcmp(stu[h].stu_ID,id)==0){//找到需要编辑的行
|
|
|
system("cls");
|
|
|
//检查他/她是否选课了
|
|
|
int a;
|
|
|
for(a = 0;a <= x;a++){
|
|
|
if(h==sel[a].s){//选课了则将对应课程记录减1,以及选课数组减1
|
|
|
delete_sel(a);
|
|
|
a = -1;
|
|
|
x--;
|
|
|
continue;
|
|
|
}
|
|
|
}
|
|
|
//如果只有一条记录
|
|
|
if(i==0){
|
|
|
i = -1;
|
|
|
renew_stu();
|
|
|
printf("修改成功！\n");
|
|
|
system("pause");
|
|
|
system("cls");
|
|
|
stu_operate();
|
|
|
}
|
|
|
|
|
|
int k;
|
|
|
for(k = h+1;k <= i;k++,h++){//将数组直接向前移动
|
|
|
strcpy(stu[h].stu_ID,stu[k].stu_ID);
|
|
|
strcpy(stu[h].stu_name,stu[k].stu_name);
|
|
|
strcpy(stu[h].sex,stu[k].sex);
|
|
|
strcpy(stu[h].grade,stu[k].grade);
|
|
|
strcpy(stu[h].contact,stu[k].contact);
|
|
|
strcpy(stu[h].collage,stu[k].collage);
|
|
|
strcpy(stu[h].age,stu[k].age);
|
|
|
}
|
|
|
/*将修改信息写入文件*/
|
|
|
//思想：将原文件重新写入一遍
|
|
|
renew_stu();
|
|
|
i--;
|
|
|
system("cls");
|
|
|
printf("修改成功！\n");
|
|
|
system("pause");
|
|
|
system("cls");
|
|
|
stu_operate();
|
|
|
}
|
|
|
}
|
|
|
printf("\n此学号不存在！\n");
|
|
|
system("pause");
|
|
|
system("cls");
|
|
|
stu_operate();
|
|
|
}
|
|
|
//--------------------------------------课程信息插入--------------------------------------
|
|
|
void input_cou(void){
|
|
|
char flag;
|
|
|
FILE * fp;
|
|
|
//--判断文件是否为空
|
|
|
fp = fopen("course.txt","a+");
|
|
|
flag = fgetc(fp);
|
|
|
if(flag==EOF){
|
|
|
fprintf(fp,"代码\t名称\t性质\t总学时\t学分\t开课学期\t选修人数\n");
|
|
|
}
|
|
|
fclose(fp);
|
|
|
//--
|
|
|
fp = fopen("course.txt","a+");
|
|
|
if(fp == NULL){
|
|
|
printf("打开文件失败！");
|
|
|
system("cls");
|
|
|
cou_operate();
|
|
|
}
|
|
|
printf("代码\t名称\t性质\t总学时\t学分\t开课学期\n");
|
|
|
while(1){
|
|
|
j++;
|
|
|
scanf("%s %s %s %s %s %s",&cou[j].course_ID,&cou[j].course_name,&cou[j].property,&cou[j].period,&cou[j].credit,&cou[j].time);
|
|
|
//--数据查重
|
|
|
int h;
|
|
|
for(h = 0;h < j;h++){
|
|
|
if(j == 0) break;//第一条数据不需要查重
|
|
|
if (strcmp(cou[h].course_ID,cou[j].course_ID)==0) {
|
|
|
printf("该课程号已存在，请重新输入！\n");
|
|
|
scanf("\n%s %s %s %s %s %s",&cou[j].course_ID,&cou[j].course_name,&cou[j].property,&cou[j].period,&cou[j].credit,&cou[j].time);
|
|
|
h = -1;
|
|
|
}
|
|
|
}
|
|
|
//--
|
|
|
fprintf(fp,"%s\t%s\t%s\t%s\t%s\t%s\t\t%d\n",cou[j].course_ID,cou[j].course_name,cou[j].property,cou[j].period,cou[j].credit,cou[j].time,cou[j].people);
|
|
|
printf("\n录入成功，继续录入输入y，返回上一级请按任意键：");
|
|
|
fflush(stdin);
|
|
|
scanf("%c",&flag);
|
|
|
fclose(fp);
|
|
|
if(flag!='y'&&'Y') break;
|
|
|
fp = fopen("course.txt","a");
|
|
|
}
|
|
|
renew_cou();
|
|
|
system("cls");
|
|
|
home();
|
|
|
}
|
|
|
/*查询课程信息*/
|
|
|
void search_cou(void){
|
|
|
system("cls");
|
|
|
printf("\n请选择查询方式：");
|
|
|
printf("\n 1.课程号查询");
|
|
|
printf("\n 2.课程名查询");
|
|
|
printf("\n请选择：");
|
|
|
int h;
|
|
|
scanf(" %d",&h);
|
|
|
switch(h){
|
|
|
case 1:
|
|
|
search_cou_id();
|
|
|
break;
|
|
|
case 2:
|
|
|
search_cou_name();
|
|
|
break;
|
|
|
|
|
|
}
|
|
|
}
|
|
|
/*课程号查询*/
|
|
|
void search_cou_id(void){
|
|
|
system("cls");
|
|
|
char id[9];
|
|
|
printf("\n输入课程号:");
|
|
|
fflush(stdin);
|
|
|
scanf("%s",id);
|
|
|
int h;
|
|
|
for(h = 0;h <= j;h++){
|
|
|
if(strcmp(cou[h].course_ID,id)==0){
|
|
|
system("cls");
|
|
|
printf("查找成功!");
|
|
|
printf("\n\n\t代码\t名称\t性质\t总学时\t学分\t开课学期\t选修人数");
|
|
|
printf("\n\t-----------------------------------------------------------------");
|
|
|
printf("\n\t%s\t%s\t%s\t%s\t%s\t%s\t\t%d\n",cou[h].course_ID,cou[h].course_name,cou[h].property,cou[h].period,cou[h].credit,cou[h].time,cou[h].people);
|
|
|
system("pause");
|
|
|
system("cls");
|
|
|
cou_operate();
|
|
|
}
|
|
|
}
|
|
|
system("cls");
|
|
|
printf("没有此课程号！\n");
|
|
|
system("pause");
|
|
|
system("cls");
|
|
|
cou_operate();
|
|
|
}
|
|
|
/*课程名查询*/
|
|
|
void search_cou_name(void){
|
|
|
system("cls");
|
|
|
char name[9];
|
|
|
printf("\n输入课程名:");
|
|
|
fflush(stdin);
|
|
|
scanf("%s",name);
|
|
|
int h;
|
|
|
for(h = 0;h <= j;h++){
|
|
|
if(strcmp(cou[h].course_name,name)==0){
|
|
|
system("cls");
|
|
|
printf("查找成功!");
|
|
|
printf("\n\n\t代码\t名称\t性质\t总学时\t学分\t开课学期\t选修人数");
|
|
|
printf("\n\t---------------------------------------------------------");
|
|
|
printf("\n\t%s\t%s\t%s\t%s\t%s\t%s\t\t%d\n",cou[h].course_ID,cou[h].course_name,cou[h].property,cou[h].period,cou[h].credit,cou[h].time,cou[h].people);
|
|
|
system("pause");
|
|
|
system("cls");
|
|
|
cou_operate();
|
|
|
}
|
|
|
}
|
|
|
system("cls");
|
|
|
printf("没有此课程名！");
|
|
|
system("pause");
|
|
|
system("cls");
|
|
|
cou_operate();
|
|
|
}
|
|
|
/*显示所有课程信息*/
|
|
|
void show_cou(void){
|
|
|
int h;
|
|
|
if(j == -1){
|
|
|
printf("\n还没有录入信息！\n");
|
|
|
system("pause");
|
|
|
system("cls");
|
|
|
cou_operate();
|
|
|
}
|
|
|
system("cls");
|
|
|
printf("\n\n\t代码\t名称\t性质\t总学时\t学分\t开课学期\t选修人数");
|
|
|
printf("\n\t-------------------------------------------------------------");
|
|
|
for(h = 0;h <= j;h++){
|
|
|
printf("\n\t%s\t%s\t%s\t%s\t%s\t%s\t\t%d\n",cou[h].course_ID,cou[h].course_name,cou[h].property,cou[h].period,cou[h].credit,cou[h].time,cou[h].people);
|
|
|
}
|
|
|
//
|
|
|
fflush(stdin);
|
|
|
printf("\n\t1.修改");
|
|
|
printf("\n\t2.删除");
|
|
|
printf("\n\t3.返回");
|
|
|
printf("\n\n 选择要进行的操作：");
|
|
|
int flag;
|
|
|
fflush(stdin);
|
|
|
scanf("%d",&flag);
|
|
|
switch(flag){
|
|
|
case 1:
|
|
|
edit_cou();
|
|
|
break;
|
|
|
case 2:
|
|
|
delete_cou();
|
|
|
break;
|
|
|
default:
|
|
|
system("cls");
|
|
|
cou_operate();
|
|
|
break;
|
|
|
|
|
|
}
|
|
|
}
|
|
|
/*编辑课程信息*/
|
|
|
void edit_cou(void){
|
|
|
printf("\n输入需要编辑的课程号：");
|
|
|
char id[10];
|
|
|
getchar();
|
|
|
scanf("%s",id);
|
|
|
int h;
|
|
|
for(h = 0;h <= j;h++){
|
|
|
if(strcmp(cou[h].course_ID,id)==0){//找到需要编辑的行
|
|
|
system("cls");
|
|
|
printf("\n\n\t代码\t名称\t性质\t总学时\t学分\t开课学期");
|
|
|
printf("\n\t-------------------------------------------------------------");
|
|
|
printf("\n\t%s\t%s\t%s\t%s\t%s\t%s\n",cou[h].course_ID,cou[h].course_name,cou[h].property,cou[h].period,cou[h].credit,cou[h].time);
|
|
|
printf("\n这是修改前的数据，请依次输入修改值：\n\t");
|
|
|
fflush(stdin);
|
|
|
scanf("%s %s %s %s %s %s",&cou[h].course_ID,&cou[h].course_name,&cou[h].property,&cou[h].period,&cou[h].credit,&cou[h].time);
|
|
|
int k;
|
|
|
for(k = 0;k <= j;k++){
|
|
|
if(strcmp(cou[k].course_ID,cou[h].course_ID)==0){
|
|
|
if(k==h){
|
|
|
continue;
|
|
|
} else {//课程号不唯一
|
|
|
printf("\n此课程号已存在，重新输入：");
|
|
|
fflush(stdin);
|
|
|
scanf("%s",&cou[h].course_ID);
|
|
|
k = -1;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
/*将修改信息写入文件*/
|
|
|
//思想：将原文件重新写入一遍
|
|
|
renew_cou();
|
|
|
system("cls");
|
|
|
printf("修改成功！\n");
|
|
|
system("pause");
|
|
|
system("cls");
|
|
|
cou_operate();
|
|
|
}
|
|
|
}
|
|
|
printf("\n此课程号不存在！\n");
|
|
|
system("pause");
|
|
|
system("cls");
|
|
|
cou_operate();
|
|
|
}
|
|
|
/*删除课程信息*/
|
|
|
void delete_cou(void){
|
|
|
printf("\n输入需要编辑的课程号：");
|
|
|
char id[10];
|
|
|
getchar();
|
|
|
scanf("%s",id);
|
|
|
int h;
|
|
|
for(h = 0;h <= j;h++){
|
|
|
if(strcmp(cou[h].course_ID,id)==0){//找到需要编辑的行
|
|
|
system("cls");
|
|
|
//如果只有一条记录
|
|
|
if(j==0){
|
|
|
j = -1;
|
|
|
renew_cou();
|
|
|
printf("修改成功！\n");
|
|
|
system("pause");
|
|
|
system("cls");
|
|
|
cou_operate();
|
|
|
}
|
|
|
//查看是否有人选课
|
|
|
if(cou[h].people!=0){//有人选课时
|
|
|
int a;
|
|
|
for(a = 0;a <= x;a++){
|
|
|
if(sel[a].c == h){
|
|
|
delete_sel(a);
|
|
|
a = -1;
|
|
|
x--;
|
|
|
continue;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
int k;
|
|
|
for(k = h+1;k <= j;k++,h++){//将数组直接向前移动
|
|
|
strcpy(cou[h].course_ID,cou[k].course_ID);
|
|
|
strcpy(cou[h].course_name,cou[k].course_name);
|
|
|
strcpy(cou[h].property,cou[k].property);
|
|
|
strcpy(cou[h].period,cou[k].period);
|
|
|
strcpy(cou[h].credit,cou[k].credit);
|
|
|
strcpy(cou[h].time,cou[k].time);
|
|
|
}
|
|
|
/*将修改信息写入文件*/
|
|
|
//思想：将原文件重新写入一遍
|
|
|
renew_cou();
|
|
|
j--;
|
|
|
system("cls");
|
|
|
printf("修改成功！\n");
|
|
|
system("pause");
|
|
|
system("cls");
|
|
|
cou_operate();
|
|
|
}
|
|
|
}
|
|
|
printf("\n此课程号不存在！\n");
|
|
|
system("pause");
|
|
|
system("cls");
|
|
|
cou_operate();
|
|
|
}
|
|
|
|
|
|
//--功能函数
|
|
|
/*更新系统数据至文件*/
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void renew_stu(void){
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FILE * fp;
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fp = fopen("student.txt","w+");
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|
|
if(fp == NULL){
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|
printf("\n打开文件失败,无法保存至文件。\n");
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|
|
fclose(fp);
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|
|
return ;
|
|
|
}
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fprintf(fp,"学号\t姓名\t性别\t年龄\t系别\t班级\t联系方式\n");
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|
|
if(i == -1){
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|
|
fclose(fp);
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|
|
return;
|
|
|
}
|
|
|
int h;
|
|
|
for(h = 0;h <= i;h++){
|
|
|
fprintf(fp,"%s\t%s\t%s\t%s\t%s\t%s\t%s\n",stu[h].stu_ID,stu[h].stu_name,stu[h].sex,stu[h].age,stu[h].collage,stu[h].grade,stu[h].contact);
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}
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|
|
fclose(fp);
|
|
|
|
|
|
}
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|
|
void renew_cou(void){
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|
|
FILE * fp;
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|
|
fp = fopen("course.txt","w+");
|
|
|
if(fp == NULL){
|
|
|
printf("\n打开文件失败,无法保存至文件。\n");
|
|
|
fclose(fp);
|
|
|
return ;
|
|
|
}
|
|
|
fprintf(fp,"代码\t名称\t性质\t总学时\t学分\t开课学期\t选修人数\n");
|
|
|
if(j == -1){
|
|
|
fclose(fp);
|
|
|
return;
|
|
|
}
|
|
|
int h;
|
|
|
for(h = 0;h <= j;h++){
|
|
|
fprintf(fp,"%s\t%s\t%s\t%s\t%s\t%s\t\t%s\n",cou[h].course_ID,cou[h].course_name,cou[h].property,cou[h].period,cou[h].credit,cou[h].time,cou[h].people); }
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|
|
fclose(fp);
|
|
|
|
|
|
}
|
|
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|
