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