学生档案管理系统 这个谁帮我改改
#include<stdio.h>#include<stdlib.h>
#include <string.h>
#define SIZE 100
struct stud_type
{
char num[3];
char name[10];
char sex;
char date[10];
char nation[4];
char addr[15];
char polaff[2];
int score;
};
struct stud_type arrange,student[SIZE];
FILE *fp;
char numstr[20];
int n=0;
void menu();
void LR();//录入
void XG();//修改
void ZJ();//增加
void JS();//减少
void SC();//删除
void CZ();//查询
void TJPJ(); //统计平均
void TJNN(); //统计男女
void TJMN(); //统计某年以前出生人数
void TJCSD(); //统计出生地
void TJZZ(); //统计政治面貌
void XS();//显示
void XSGR();//显示个人
void XSQB();//显示全部
void main()
{
menu();
}
/***************菜单()**************/
void menu()
{
char choice;
printf("-----------------------------------------------------------\n");
printf("|| ~~~***学生统计管理***~~~ ||\n");
printf("===========================================================\n");
printf("||1.信息录入 2.信息修改 3.信息增加 4.信息减少||\n");
printf("||5.信息删除 6.信息查询 7.统计平均数 ||\n");
printf("||8.统计男女人数 9.统计某年以前出生人数 ||\n");
printf("||10.统计出生地 11.统计政治面貌 12.显示 ||\n");
printf("||13.显示个人 14.显示全部 0.退出 ||\n");
printf("===========================================================\n");
printf("-------------------------------------------------==--------\n");
choice=getchar();getchar();
switch(choice)
{
case'1': LR(); break;
case'2':XG(); break;
case'3': ZJ(); break;
case'4':JS(); break;
case'5':SC(); break;
case'6':CZ(); break;
case'7':TJPJ(); break;
case'8':TJNN(); break;
case'9':TJMN(); break;
case'10':TJCSD();break;
case'11':TJZZ();break;
case'12':XS();break;
case'13':XSGR();break;
case'14':XSQB();break;
case'0':exit(0);
}
menu();
}
/*************输入信息 *************/
void function1()
{ char ch;
n=0;
if((fp=fopen("E:\学生统计管理.txt","wb"))==NULL)
{
printf("can't open file student.txt");
exit(0);
}
printf("Please input a record:");
for(n=0;n<=SIZE;)
{
printf("\n输入姓名第%d:记录\n:",n+1);
gets(student[n].name);
printf("\nenter numder:");
gets(numstr);
student[n].num=atol(numstr);
printf("\n输入性别:");
gets(numstr);
student[n].age=atoi(numstr);
printf("\nenter sex:");
student[n].sex=getchar();getchar();
printf("\nenter stu_class:");
gets(student[n].stu_class);
printf("\nenter Chinese score:");
gets(numstr);
student[n].C=atof(numstr);
printf("\nenter Maths score:");
gets(numstr);
student[n].M=atof(numstr);
printf("\nenter English score:");
gets(numstr);
student[n].E=atof(numstr);
printf("\nenter Sports score:");
gets(numstr);
student[n].S=atof(numstr);
n++;
printf("have another record (y/n)\n");
ch=getchar();getchar();
if(ch=='n')
break;
}
fwrite(student,sizeof(student[0]),n,fp);
fclose(fp);
}
/**********put out the imformation**********/
void function2()
{ n=0;
if((fp=fopen("student.txt","rb"))==NULL)
{
printf("can't open the file student.txt");
exit(0);
}
printf("-Name Number Age Sex stu_class Chinese Maths English Sports-\n");
while(fread(&student[n],sizeof(student[n]),1,fp)==1)
{
printf("%-6s%5ld%5d%5c%10s %8.1f%8.1f%8.1f%8.1f\n",
student[n].name,student[n].num,student[n].age,
student[n].sex,student[n].stu_class,student[n].C,
student[n].M,student[n].E,student[n].S);
n++;
}
fclose(fp);
}
/***********Search the imformation***********/
void function3()
{
int a=0; char ch; n=0;
if((fp=fopen("student.txt","rb"))==NULL)
{
printf("can not open the file.\n ");
exit(0);
}
while(fread(&student[n],sizeof(student[n]),1,fp)==1)
n++;
a=n;
printf("which way do you want to search by?\n");
printf("1.name 2.number 3.stu_class\n");
ch=getchar();getchar();
switch(ch)
{
case '1':
printf(" Please input the record's name you want to search:\n");
gets(numstr);
for(n=0;n<a;)
{
if(!strcmp(numstr,student[n].name))
break;
n++;
}
break;
case '2':
printf("Please input the record's number you want to search\n");
gets(numstr);
for(n=0;n<a;)
{
if(atol(numstr)==student[n].num)
break;
n++;
}
break;
case '3':
printf("Please input the record's stu_class you want to search\n");
gets(numstr);
for(n=0;n<a;)
{
if(!strcmp(numstr,student[n].stu_class))
break;
n++;
}
break;
}
printf("-Name Number Age Sex stu_class Chinese Maths English Sports-\n");
printf("%-6s%5ld%5d%5c%10s %8.1f%8.1f%8.1f%8.1f\n",
student[n].name,student[n].num,student[n].age,
student[n].sex,student[n].stu_class,student[n].C,
student[n].M,student[n].E,student[n].S);
fclose(fp);
}
/**********Modify the imformation*********/
void function4()
{ char ch;int i;
printf("which record do you want to modify? you must search first\n");
function3();
i=0;
if((fp=fopen("student.txt","rb+"))==NULL)
{
printf("can not open the file.\n ");
exit(0);
}
while(fread(&student[i],sizeof(student[i]),1,fp)==1)
i++;
printf("where you want to modify?\n");
printf("1.Name2.Number3.Age4.Sex5.stu_class6. ");
printf("6.Chinese7.Maths8.English9.Sports\n");
ch=getchar();getchar();
switch(ch)
{
case '1':printf("please input the new name.\n");
gets(student[n].name);
printf("%s\n",student[n].name);
break;
case '2':
printf("please input the new number.\n");
gets(numstr);
student[n].num=atol(numstr);
break;
case '3':
printf("please input the new age.\n");
gets(numstr);
student[n].age=atoi(numstr);
break;
case '4':
printf("please input the new sex.\n");
student[n].sex=getchar();
getchar();
break;
case '5':
printf("please input the new stu_class.\n");
gets(student[n].stu_class);
break;
case '6':
printf("please input the new chinses score.\n");
gets(numstr);
student[n].C=atof(numstr);
break;
case '7':
printf("please input the new math score.\n");
gets(numstr);
student[n].M=atof(numstr);
break;
case '8':
printf("please input the new english score.\n");
gets(numstr);
student[n].E=atof(numstr);
break;
case '9':
printf("please input the new sports score.\n");
gets(numstr);
student[n].S=atof(numstr);
break;
}
printf("%-6s %5ld %5d %5c %10s %8.1f%8.1f%8.1f%8.1f\n",
student[n].name,student[n].num,student[n].age,
student[n].sex,student[n].stu_class,student[n].C,
student[n].M,student[n].E,student[n].S);
rewind(fp);
fwrite(student,sizeof(student[0]),i,fp);
fclose(fp);
}
/***********Inseart the imformation ************/
void function5()
{
int i;int a=0;
printf("if you want to insert record. ");
printf("please search the record insert before.\n");
function3();
i=0;
if((fp=fopen("student.txt","rb+"))==NULL)
{
printf("can't open the file student.txt");
exit(0);
}
while (fread(&student[i],sizeof(student[0]),1,fp)==1)
i++;
a=i;
for(i=a-1;i>n-1;i--)
student[i+1]=student[i];
printf("\nenter name:");
gets(student[n].name);
printf("enter number:");
gets(numstr);
student[n].num=atol(numstr);
printf("\nenter age:");
gets(numstr);
student[n].age=atoi(numstr);
printf("\nenter sex:");
student[n].sex=getchar();getchar();
printf("\nenter stu_class:");
gets(student[n].stu_class);
printf("\nenterChinese score:");
gets(numstr);
student[n].C=atof(numstr);
printf("\nenter Maths score:");
gets(numstr);
student[n].M=atof(numstr);
printf("\nenter English score:");
gets(numstr);
student[n].E=atof(numstr);
printf("\nenter Sports score:");
gets(numstr);
student[n].S=atof(numstr);
rewind(fp);
fwrite(student,sizeof(student[0]),a+1,fp);
fclose(fp);
}
/****************Delete the information****************/
void function6()
{
int i=0;int a=0;
printf("if you want to delete ** record.you must search first.\n");
function3();
if((fp=fopen("student.txt","rb+"))==NULL)
{
printf("can't open the file student.txt");
exit(0);
}
while (fread(&student[n],sizeof(student[0]),1,fp)==1)
i++;
a=i;
for(i=n;i<a;i++)
student[i]=student[i+1];
fp=fopen("student.txt","wb");
fwrite(student,sizeof(student[0]),a-1,fp);
fclose(fp);
}
/***********Work the total or average**********/
void function7()
{
int i=0;int a=0;double sum=0;char ch;
if((fp=fopen("student.txt","rb"))==NULL)
{
printf("can't open the file student.txt");
exit(0);
}
while (fread(&student[n],sizeof(student[0]),1,fp)==1)
i++;
a=i;
printf("1.one's average 2.one's total 3.total");
printf("4.every course average score \n");
ch=getchar();getchar();
switch(ch)
{
case '1':
printf("whose average score,please search first.\n");
function3();
sum=student[n].C+student[n].M+student[n].E+student[n].S;
printf("%s\'s average score is %f",student[n].name,sum/4);
break;
case '2':
printf("whose total score ,please search first.\n");
function3();
sum=student[n].C+student[n].M+student[n].E+student[n].S;
printf("%s\'s total is %f\n",student[n].name,sum);
break;
case '3':
for(i=0;i<a;i++)
sum=sum+student[i].C+student[i].M+student[i].E+student[i].S;
printf("total is %f\n",sum);
break;
case '4':
printf("which course\'s average score?\n");
printf("1.chinese2.math 3.english 4.sports\n");
switch(ch)
{
case '1':for(i=0;i<a;i++)
sum=sum+student[i].C;
printf("chinese's average is %f\n",sum/a);break;
case '2': for(i=0;i<a;i++)
sum=sum+student[i].M;
printf("math's average is %f\n",sum/a);break;
case '3': for(i=0;i<a;i++)
sum=sum+student[i].E;
printf("english's average is %f\n",sum/a);break;
case '4': for(i=0;i<a;i++)
sum=sum+student[i].S;
printf("sport's average is %f\n",sum/a);break;
}
}
fclose(fp);
}
/***********Sort by three ways************/
void function8()
{
char ch;
int i=0;int a=0,m=0,k=0;
if((fp=fopen("student.txt","rb+"))==NULL)
{
printf("can't open the file student.txt");
exit(0);
}
while (fread(&student[n],sizeof(student[0]),1,fp)==1)
i++;
a=i;
printf("which way do you want to sort in?\n");
printf("1.number 2.score\n");
ch=getchar();getchar();
switch(ch)
{
case '1': for(i=0;i<a-1;i++)
for(k=i+1;k<a;k++)
if(student[i].num>student[k].num)
{
arrange=student[k];
student[k]=student[i];
student[i]=arrange;
}
break;
case '2':
printf("sort in?1.chinese score 2.math score
3.english score 4.sports score\n");
ch=getchar();getchar();
switch(ch)
{
case '1': for(i=0;i<a-1;i++)
for(k=i+1;k<a;k++)
if(student[i].C>student[k].C)
{
arrange=student[k];
student[k]=student[i];
student[i]=arrange;
}
break;
case '2': for(i=0;i<a-1;i++)
for(k=i+1;k<a;k++)
if(student[i].M>student[k].M)
{
arrange=student[k];
student[k]=student[i];
student[i]=arrange;
}
break;
case '3': for(i=0;i<a-1;i++)
for(k=i+1;k<a;k++)
if(student[i].E>student[k].E)
{
arrange=student[k];
student[k]=student[i];
student[i]=arrange;
}
break;
case '4':for(i=0;i<a-1;i++)
for(k=i+1;k<a;k++)
if(student[i].S>student[k].S)
{
arrange=student[k];
student[k]=student[i];
student[i]=arrange;
}
break;
}
break;
}
rewind(fp);
fwrite(student,sizeof(student[0]),a,fp);
fclose(fp);
}
/********************Append a record***********************/
void function9()
{
n=0;
if((fp=fopen("student.txt","ab"))==NULL)
{ printf("can't open student.txt file\n");
exit(0);
}
while (fread(&student[n],sizeof(student[0]),1,fp)==1)
n++;
fclose(fp);
if((fp=fopen("student.txt","ab"))==NULL)
{
exit(0);
}
printf("\nenter name:");
gets(student[n].name);
printf("enter number:");
gets(numstr);
student[n].num=atol(numstr);
printf("\nenter age:");
gets(numstr);
student[n].age=atoi(numstr);
printf("\nenter sex:");
student[n].sex=getchar();getchar();
printf("\nenter stu_class:");
gets(student[n].stu_class);
printf("\nenterChinese score:");
gets(numstr);
student[n].C=atof(numstr);
printf("\nenter Maths score:");
gets(numstr);
student[n].M=atof(numstr);
printf("\nenter English score:");
gets(numstr);
student[n].E=atof(numstr);
printf("\nenter Sports score:");
gets(numstr);
student[n].S=atof(numstr);
fwrite(&student[n],sizeof(student[n]),1,fp);
fclose(fp);
}
