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#include"头文件.cpp"
int fun() //目录函数
{
int n;
system("cls");
printf("\n\n\t\t\t\t 成绩记录簿");
printf("\n\n\t\t\t");
for(int i=0;i<36;i++)
printf("*");
printf("\n");
printf("\t\t\t *************菜单***************\n");
printf("\t\t\t*|1、创建学生的信息 \t|*\n");
printf("\t\t\t*|2、输出所有学生的信息 \t|*\n");
printf("\t\t\t*|3、修改成绩 \t|*\n");
printf("\t\t\t*|4、查询 \t|*\n");
printf("\t\t\t*|5、显示成绩分段的学生信息 \t|*\n");
printf("\t\t\t*|6、学生成绩排名 \t|*\n");
printf("\t\t\t*|7、退出成绩记录簿 \t|*\n");
printf("\t\t\t *****设计者:吕永太 朱鹏俊****\n");
printf("\t\t\t");
for(int i=0;i<36;i++)
printf("*");
printf("\n\n");
printf("\n\t\t\t 请输入选项:");
scanf("%d",&n);
return n;
}
void input() //成绩输入
{
Student s[50];
system("cls");
int i=0;
FILE *fp;
fp=fopen("a.txt","a+");
printf("请以0作为输入学生学号信息的结束\n");
do
{
printf("输入学生的学号:");
scanf("%lf",&s[i].no);
printf("输入学生的姓名:");
scanf("%s",s[i].name);
printf("输入学生的C语言成绩");
scanf("%f",&s[i].cscore);
if(s[i].no!=0)
fprintf(fp,"%.0lf %-4s %.1f\n",s[i].no,s[i].name,s[i].cscore);
}while(s[i].no!=0);
fclose(fp);
}
void output() //成绩输出
{
if((fp=fopen("a.txt","r"))==NULL)
{
printf("Cannot open the file!\n");
}
printf("\t\t\t全部的学生信息:\n");
int k=0;
while(fscanf(fp,"%lf%s%f",&s[k].no,s[k].name,&s[k].cscore)!=EOF)
{
printf("\t\t\t%.0lf\t%s\t%.1f\n",s[k].no,s[k].name,s[k].cscore);
k++;
}
fclose(fp);
}