#include <stdio.h>
#define M 10
void modify(struct student *stu, int st);//修改函数
void input(struct student *stu, int st);//输入函数
void (display(struct student *stu, int N));//显示函数
struct student{
int number; //学号
char name[M]; //姓名
char gender[M]; //性别
char place[M]; //籍贯
int grade; //年级
char major[5]; //专业
int Class; //班级
char course[M];//课程
}stu[30];//构造一个名字为 Student 的结构体
int main()
{
int i;
int a;//添加的学生个数
int ad;//添加的学生序号（第几个学生）
int op;//根据输入的数字确定执行的运算
int st;//修改的学生的序号
int flag=0;//计数标志
struct student stu[30] = {
{101, "aaa", "x", "shanghai", 15, "CS", 01, "chinese"},
{102, "aab", "y", "beijing", 16, "DN", 02, "English"},
{103, "aac", "x", "sichuan", 14, "CS", 03, "math"},
{104, "aad", "x", "chengdu", 13, "CS", 04, "chinese"},
{105, "aae", "y", "dandong", 13, "DN", 01, "English"},
{106, "aaf", "x", "shanghai", 15, "CS", 01, "chinese"},
{107, "aag", "y", "beijing", 16, "DN", 02, "English"},
{108, "aah", "x", "sichuan", 14, "CS", 03, "math"},
{109, "aai", "x", "chengdu", 13, "CS", 04, "chinese"},
{110, "aaj", "y", "dandong", 13, "DN", 01, "English"}
};
do{
printf("-1, 退出\n");
printf("1, 输入\n");
printf("2, 修改\n");
printf("3, 显示\n");
scanf("%d", &op);
switch(op){ //根据输入的数字确定执行的运算
case -1:
printf("您没有进行任何操作!\n");
flag=1;
case 1:
printf("(1-10)请输入添加学生的个数：");
scanf("%d", &a);
for(i=0, ad=11; i<a; i++, ad++){
printf("对第%d个学生进行添加操作：\n", ad);
input(&stu[ad], ad);//调用输入函数
}
break;
case 2:
printf("请输入需要修改的学生的序号（1-10）：");
scanf("%d", &st);
st = st-1;
modify(&stu[st], st);//调用修改函数
break;
case 3:
display(stu, M);//调用显示函数
break;
default:
printf("Unknown operator!\n");
}
if(flag)
break;
}while(op);
return 0;
}
//修改函数
void modify(struct student *stu, int st)
{
int att;
printf("(1)number\n");
printf("(2)name\n");
printf("(3)gender\n");
printf("(4)place\n");
printf("(5)grade\n");
printf("(6)major\n");
printf("(7)Class\n");
printf("(8)course\n");
printf("请输入需要修改的数据（1-8）：");
scanf("%d", &att);
switch(att)
{
case 1:
printf("student[%d] 原来的学号为%d\n", st, stu[st].number);
printf("修改为：");
scanf("%d", &stu[st].number);
printf("student[%d] 修改后的学号为%d\n", st, stu[st].number);
break;
case 2:
printf("student[%d] 原来的姓名为%s\n", st, stu[st].name);
printf("修改为：");
scanf("%s", &stu[st].name);
printf("student[%d] 修改后的姓名为%s\n", st, stu[st].name);
break;
case 3:
printf("student[%d] 原来的性别为%c\n", st, stu[st].gender);
printf("修改为：");
scanf("%c", &stu[st].gender);
printf("student[%d] 修改后的性别为%c\n", st, stu[st].gender);
break;
case 4:
printf("student[%d] 原来的籍贯为%s\n", st, stu[st].place);
printf("修改为：");
scanf("%s", &stu[st].place);
printf("student[%d] 修改后的籍贯为%s\n", st, stu[st].place);
break;
case 5:
printf("student[%d] 原来的年级为%d\n", st, stu[st].grade);
printf("修改为：");
scanf("%d", &stu[st].grade);
printf("student[%d] 修改后的年级为%d\n", st, stu[st].grade);
break;
case 6:
printf("student[%d] 原来的专业为%s\n", st, stu[st].major);
printf("修改为：");
scanf("%s", &stu[st].major);
printf("student[%d] 修改后的专业为%s\n", st, stu[st].major);
break;
case 7:
printf("student[%d] 原来的班级为%d\n", st, stu[st].Class);
printf("修改为：");
scanf("%d", &stu[st].Class);
printf("student[%d] 修改后的班级为%d\n", st, stu[st].Class);
break;
case 8:
printf("student[%d] 原来的课程为%s\n", st, stu[st].course);
printf("修改为：");
scanf("%s", &stu[st].course);
printf("student[%d] 修改后的课程为%s\n", st, stu[st].course);
break;
default:
printf("Unknown operator!\n");
}
}
//输入函数
void input(struct student *stu, int st)
{
printf("请输入添加学生的:\n");
printf("学号:");
scanf("%d", &stu[st].number);
printf("姓名:");
scanf("%s", &stu[st].name);
printf("性别:");
scanf("%s", &stu[st].gender);
printf("籍贯:");
scanf("%s", &stu[st].place);
printf("年级:");
scanf("%d", &stu[st].grade);
printf("专业:");
scanf("%s", &stu[st].major);
printf("班级:");
scanf("%d", &stu[st].Class);
printf("学习课程:");
scanf("%s", &stu[st].course);
printf("|-----------------------------------------------------------------------------------------------------|\n");
printf("| number | name | gender | place | grade | major | Class | course |\n");
printf("|------------|------------|------------|-------------|-----------|-----------|----------|-------------|\n");
printf("| %d %s %s %s %d %s %d %s \n",
stu[st].number, stu[st].name, stu[st].gender, stu[st].place,
stu[st].grade, stu[st].major, stu[st].Class, stu[st].course);
printf("|-----------------------------------------------------------------------------------------------------|\n");
}
//显示函数
void display(struct student *stu, int N)
{
int i;
printf("+*****************************************************************************************************+\n");
printf("| number | name | gender | place | grade | major | Class | course |\n");
for(i=0; i<N; i++){
printf("|------------|------------|------------|-------------|-----------|-----------|----------|-------------|\n");
printf("| %d %s %s %s %d %s %d %s \n",
stu[i].number, stu[i].name, stu[i].gender, stu[i].place,
stu[i].grade, stu[i].major, stu[i].Class, stu[i].course);
}
printf("+*****************************************************************************************************+\n");
}本文出自 “12090619” 博客，请务必保留此出处http://12100619.blog.51cto.com/12090619/1944659
原文：http://12100619.blog.51cto.com/12090619/1944659