求各位大神帮忙，程序错误找出，帮忙看一下怎么改
#include "stdio.h" #include"string"
struct Student /*定义学生结构体*/
{
char ID[20];
char Name[20];
int age;
int classs;
char zy[20];
char xb[20];
};
struct Student students[1000]; /*声明学生数组及学生数量*/
int num=0;
int Student_SearchByIndex(char id[]) /*通过学号返回数组下标*/
{
int i;
for (i=0;i<num;i++)
{
if (strcmp(students[i].ID,id)==0)
{
return i;
}
}
return -1;
}
int Student_SearchByName(char name[]) /*通过姓名返回数组下标*/
{
int i;
for (i=0;i<num;i++)
{
if (strcmp(students[i].Name,name)==0)
{
return i;
}
}
return -1;
}
void Student_DisplaySingle(int index) /*显示单条学生记录*/
{
printf("%10s%10s%8s%8s%8s%10s\n","学号","姓名","年龄","班级","专业","系别");
printf("-------------------------------------------------------------\n");
printf("%10s%10s%d%d%10s%10s\n",students[index].ID,students[index].Name,
students[index].age,students[index].classs,students[index].zy,students[index].xb);
}
void Student_Insert() /*插入学生信息*/
{
while(1)
{
printf("请输入学号:");
scanf("%s",&students[num].ID);
getchar();
printf("请输入姓名:");
scanf("%s",&students[num].Name);
getchar();
printf("请输入年龄:");
scanf("%d",&students[num].age);
getchar();
printf("请输入班级:");
scanf("%d",&students[num].classs);
getchar();
printf("请输入专业:");
scanf("%s",&students[num].zy);
getchar();
printf("请输入系别:");
scanf("%s",&students[num].xb);
getchar();
num++;
printf("是否继续?(y/n)");
if (getchar()=='n')
{
break;
}
}
}
void Student_Modify() /*修改学生信息*/
{
while(1)
{
char id[20];
int index;
printf("请输入要修改的学生的学号:");
scanf("%s",&id);
getchar();
index=Student_SearchByIndex(id);
if (index==-1)
{
printf("学生不存在!\n");
}
else
{
printf("你要修改的学生信息为:\n");
Student_DisplaySingle(index);
printf("-- 请输入新值--\n");
printf("请输入学号:");
scanf("%s",&students[index].ID);
getchar();
printf("请输入姓名:");
scanf("%s",&students[index].Name);
getchar();
printf("请输入年龄:");
scanf("%d",&students[index].age);
getchar();
printf("请输入班级:");
scanf("%s",&students[index].classs);
getchar();
printf("请输入专业:");
scanf("%s",&students[index].zy);
getchar();
printf("请输入系别:");
scanf("%s",&students[index].xb);
getchar();
printf("是否继续?(y/n)");
if (getchar()=='n')
{
break;
}
}
}
void Student_Delete() /*删除学生信息*/
{
int i;
while(1)
{
char id[20];
int index;
printf("请输入要删除的学生的学号:");
scanf("%s",&id);
getchar();
index=Student_SearchByIndex(id);
if (index==-1)
{
printf("学生不存在!\n");
}
else
{
printf("你要删除的学生信息为:\n");
Student_DisplaySingle(index);
printf("是否真的要删除?(y/n)");
if (getchar()=='y')
{
for (i=index;i<num-1;i++)
{
students[i]=students[i+1];//把后边的对象都向前移动
}
num--;
}
getchar();
}
printf("是否继续?(y/n)");
if (getchar()=='n')
{
break;
}
}
}
void Student_Select() /*按姓名查询*/
{
while(1)
{
char name[20];
int index;
printf("请输入要查询的学生的姓名:");
scanf("%s",&name);
getchar();
index=Student_SearchByName(name);
if (index==-1)
{
printf("学生不存在!\n");
}
else
{
printf("你要查询的学生信息为:\n");
Student_DisplaySingle(index);
}
printf("是否继续?(y/n)");
if (getchar()=='n')
{
break;
}
}
}
void Student_Display() /*显示学生信息*/
{
int i;
printf("%10s%10s%8s%8s%8s%10s\n","学号","姓名","年龄","班级","专业","系别");
printf("-------------------------------------------------------------\n");
for (i=0;i<num;i++)
{
printf("%10s%10s%d%d%10s%10s\n",students[i].ID,students[i].Name,
students[i].age,students[i].classs,students[i].zy,students[i].xb);
}
}
void IO_ReadInfo() /*将学生信息从文件读出*/
{
FILE *fp;
int i;
if ((fp=fopen("Database.txt","rb"))==NULL)
{
printf("不能打开文件!\n");
return;
}
if (fread(&num,sizeof(int),1,fp)!=1)
{
num=-1;
}
else
{
for(i=0;i<num;i++)
{
fread(&students[i],sizeof(struct Student),1,fp);
}
}
fclose(fp);
}
/*将学生信息写入文件*/
void IO_WriteInfo()
{
FILE *fp;
int i;
if ((fp=fopen("Database.txt","wb"))==NULL)
{
printf("不能打开文件!\n");
return;
}
if (fwrite(&num,sizeof(int),1,fp)!=1)
{
printf("写入文件错误!\n");
}
for (i=0;i<num;i++)
{
if (fwrite(&students[i],sizeof(struct Student),1,fp)!=1)
{
printf("写入文件错误!\n");
}
}
fclose(fp);
}
/*主程序*/
void main()
{
int choice;
IO_ReadInfo();
while(1)
{
/*主菜单*/
printf("\n------ 学生成绩管理系统------\n");
printf("1. 增加学生记录\n");
printf("2. 修改学生记录\n");
printf("3. 删除学生记录\n");
printf("4. 按姓名查询学生记录\n");
printf("5. 按平均成绩排序\n");
printf("6. 退出\n");
printf("请选择(1-6):");
scanf("%d",&choice);
getchar();
switch(choice)
{
case 1:
Student_Insert();
break;
case 2:
Student_Modify();
break;
case 3:
Student_Delete();
break;
case 4:
Student_Select();
break;
case 5:
Student_Display();
break;
case 6:
exit(0);
break;
}
IO_WriteInfo();
}
}
C:\Users\Administrator\Desktop\C语言程序设计\5.cpp(260) : error C2601: 'Student_Delete' : local function definitions are illegal
C:\Users\Administrator\Desktop\C语言程序设计\5.cpp(338) : error C2601: 'Student_Select' : local function definitions are illegal
C:\Users\Administrator\Desktop\C语言程序设计\5.cpp(400) : error C2601: 'Student_Display' : local function definitions are illegal
C:\Users\Administrator\Desktop\C语言程序设计\5.cpp(426) : error C2601: 'IO_ReadInfo' : local function definitions are illegal
C:\Users\Administrator\Desktop\C语言程序设计\5.cpp(474) : error C2601: 'IO_WriteInfo' : local function definitions are illegal
C:\Users\Administrator\Desktop\C语言程序设计\5.cpp(524) : error C2601: 'main' : local function definitions are illegal
C:\Users\Administrator\Desktop\C语言程序设计\5.cpp(603) : fatal error C1004: unexpected end of file found
执行 cl.exe 时出错.
5.obj - 1 error(s), 0 warning(s)
程序代码：