diff --git a/README.md b/README.md index 1caa4a0..6723cc7 100644 --- a/README.md +++ b/README.md @@ -68,20 +68,20 @@ Input course number(m<=%d): ``` Management for Students' scores -1.Input record -2.Calculate total and average score of every course -3.Calculate total and average score of every student -4.Sort in descending order by score -5.Sort in ascending order by score -6.Sort in ascending order by number -7.Sort in dictionary order by name -8.Search by number -9.Search by name -10.Statistic analysis -11.List record -12.Write to a file -13.Read from a file -0.Exit +1 Input record +2 Calculate total and average score of every course +3 Calculate total and average score of every student +4 Sort in descending order by score +5 Sort in ascending order by score +6 Sort in ascending order by number +7 Sort in dictionary order by name +8 Search by number +9 Search by name +10 Statistic analysis +11 List record +12 Write to a file +13 Read from a file +0 Exit Please Input your choice: //用户输入选项后将结果返回到主函数 ``` @@ -280,7 +280,8 @@ int main(void) break; case 13:ReadfromFile(stu,&n,&m); break; - case 0:printf("End of program!); + case 0: printf("Are you sure you want to exit?(Y/N):"); + printf("End of program!); exit(0); default:printf("Input error!"); } @@ -295,20 +296,20 @@ int Menu(void) { int itemSelected; printf("Management for Students' scores\n"); - printf("1.Input record\n"); - printf("2.Calculate total and average score of every course\n"); - printf("3.Calculate total and average score of every student\n"); - printf("4.Sort in descending order by score\n"); - printf("5.Sort in ascending order by score\n"); - printf("6.Sort in ascending order by number\n"); - printf("7.Sort in dictionary order by name\n"); - printf("8.Search by number\n"); - printf("9.Search by name\n"); - printf("10.Statistic analysis\n"); - printf("11.List record\n"); - printf("12.Write to a file\n"); - printf("13.Read from a file\n"); - printf("0.Exit\n"); + printf("1 Input record\n"); + printf("2 Calculate total and average score of every course\n"); + printf("3 Calculate total and average score of every student\n"); + printf("4 Sort in descending order by score\n"); + printf("5 Sort in ascending order by score\n"); + printf("6 Sort in ascending order by number\n"); + printf("7 Sort in dictionary order by name\n"); + printf("8 Search by number\n"); + printf("9 Search by name\n"); + printf("10 Statistic analysis\n"); + printf("11 List record\n"); + printf("12 Write to a file\n"); + printf("13 Read from a file\n"); + printf("0 Exit\n"); printf("Please Input your choice:"); scanf("%d",&itemSelected); //读入用户输入 return itemSelected; @@ -363,7 +364,7 @@ void AverSumofEveryCourse(STU stu[],int n,int m) } aver[j] = sum[j]/i; - printf("student %d: sum = %.0f,aver = %.0f\n",j+1, sum[j], aver[j]); + printf("course %d: sum = %.0f,aver = %.0f\n",j+1, sum[j], aver[j]); } } ``` diff --git a/基本框架的修改.md b/基本框架的修改.md new file mode 100644 index 0000000..7fd54eb --- /dev/null +++ b/基本框架的修改.md @@ -0,0 +1,155 @@ +### C1: 启动程序 + +命令行中执行命令./app,系统启动，显示提示信息，然后显示功能菜单，等待用户输入命令。 + +``` +Management for Students'scores + +1 Input record +2 Calculate total and average score of every course +3 Calculate total and average score of every student +4 Sort in descending order by score +5 Sort in ascending order by score +6 Sort in ascending order by number +7 Sort in dictionary order by name +8 Search by number +9 Search by name +10 Statistic analysis +11 List record +12 Write to a file +13 Read from a file +0 Exit + +Please Input your choice: + +``` + +### C2: 显示命令菜单 + +调用 Menu() 函数显示命令菜单，用户输入选项后，将结果返回主函数 + +``` +Management for Students'scores + +1 Input record +2 Calculate total and average score of every course +3 Calculate total and average score of every student +4 Sort in descending order by score +5 Sort in ascending order by score +6 Sort in ascending order by number +7 Sort in dictionary order by name +8 Search by number +9 Search by name +10 Statistic analysis +11 List record +12 Write to a file +13 Read from a file +0 Exit + +Please Input your choice: + +``` + +### C3: 退出程序 + +选择菜单命令 0 ，再输入 y 确认，则退出程序。 + +``` +Please Input your choice: 0 +Are you sure you want to exit?(Y/N): y +End of program! + +``` + +### C4: 添加学生信息 + +选择菜单命令 1 ，假设n=4,m=3,提示输入学生的学号，姓名和成绩，然后利用循环逐个输入学生的学号和姓名以及各科成绩。 + +``` +Please Input your choice: 1 +Input student's ID, name and score: +2214111006 XuZilin 100 95 86 +2214111009 XuZigui 77 89 99 +2214111011 ZhangYu 85 91 98 +2214111025 LiYujia 75 89 100 + +``` + +### C5: 计算学生各门课程总分和平均分 + +选择菜单命令 2 ，计算学生各门课程总分和平均分,然后利用循环逐个输出学生的顺序，总成绩和平均分，结果都取整数。 + +``` +Please Input your choice: 2 +student 1: sum = 281, aver = 93 +student 2: sum = 265, aver = 88 +student 3: sum = 274, aver = 91 +student 4: sum = 264, aver = 88 + +``` + +### C6: 计算每门课程的总分和平均分 + +选择菜单命令 3 ，计算每门课程的总分和平均分，然后利用循环逐个输出每门课程的总分和平均分，结果都取整数。 + +``` +Please Input your choice: 3 +course 1: sum = 337, aver = 84 +course 2: sum = 364, aver = 91 +course 3: sum = 383, aver = 95 + +``` + +### C7: 学生总分排序 + +如果a < b,则按升序排列。选择菜单命令 4 ，按选择法将数组 sum 的元素值按升序进行排序，显示提示信息，最后打印出学生信息。 +如果a > b,则按降序排序。选择菜单命令 5 ，按选择法将数组 sum 的元素值按降序进行排序，显示提示信息，最后打印出学生成绩。 + +``` +Please Input your choice: 4 +Sort in descending order by score: +2214111006 XuZilin 100 95 86 281 93 +2214111011 ZhangYu 85 91 98 274 91 +2214111009 XuZigui 77 89 99 265 88 +2214111025 LiYujia 75 89 100 264 88 + +Please Input your choice: 5 +Sort in ascending order by score: +2214111025 LiYujia 75 89 100 264 88 +2214111009 XuZigui 77 89 99 265 88 +2214111011 ZhangYu 85 91 98 274 91 +2214111006 XuZilin 100 95 86 281 93 + +``` + +### C8: 学号顺序排序 + +选择菜单命令 6 ，按学号从小到大进行排序，显示提示信息，最后打印学生信息。 +``` +Please Input your choice: 6 +Sort in ascending order by number: +2214111006 XuZilin 100 95 86 281 93 +2214111009 XuZigui 77 89 99 265 88 +2214111011 ZhangYu 85 91 98 274 91 +2214111025 LiYujia 75 89 100 264 88 + +``` + +### C9: 姓名顺序排序 + +选择菜单命令 7 ，按姓名的字典顺序进行排序，显示提示信息，最后打印学生信息。 + +``` +Please Input your choice: 7 +Sort in dictionary order by name: +2214111025 LiYujia 75 89 100 264 88 +2214111009 XuZigui 77 89 99 265 88 +2214111006 XuZilin 100 95 86 281 93 +2214111011 ZhangYu 85 91 98 274 91 + +``` + +### C10: 学生信息查询 + +选择菜单命令 8 ，按学号查找学生成绩并显示查找结果。 +