用C语言编写学生信息管理系统,十万火急!

可以参考
#include "stdioh" /I/O函数/
#include "stdlibh" /其它说明/
#include "stringh" /字符串函数/
#include "conioh" /屏幕 *** 作函数/
#include "memh" /内存 *** 作函数/
#include "ctypeh" /字符 *** 作函数/
#include "alloch" /动态地址分配函数/
struct score
{
int mingci;
char xuehao[8];
char mingzi[20];
float score[6];
}data,info[1000];
int i,j,k=0;
char temp[20],ch;
FILE fp,fp1;
void shuru()
{
if((fp=fopen("s_scoretxt","ab+"))==NULL)
{
printf("cannot open this file\n");
getch();exit(0);
}
for(i=0;i<=1000;i++)
{
printf("\nPlease shuru xuehao:");
gets(dataxuehao);
printf("Please shuru mingzi:");
gets(datamingzi);
printf("Please shuru yuwen score:");
gets(temp);datascore[0]=atof(temp);
printf("Please shuru shuxue score:");
gets(temp);datascore[1]=atof(temp);
printf("Please input yingyu score:");
gets(temp);datascore[2]=atof(temp);
printf("Please shuru wuli score:");
gets(temp);datascore[3]=atof(temp);
printf("Please shur huaxue score:");
gets(temp);datascore[4]=atof(temp);
datascore[5]=datascore[0]+datascore[1]+datascore[2]+datascore[3]+datascore[4];
fwrite(&data,sizeof(data),1,fp);
printf("anothery/n");
ch=getch();
if(ch=='n'||ch=='N')
break;
} fclose(fp);
}
void xianshi()
{
float s;int n;
if((fp=fopen("s_scoretxt","rb+"))==NULL)
{
printf("Cannot reading this file\n");
exit(0);
}
for(i=0;i<=1000;i++)
{
if((fread(&info[i],sizeof(info[i]),1,fp))!=1)
break;
}
printf("\nxuehao mingzi yuwen shuxue yingyu wuli huauxue zhongfen\n");
for(j=0,k=1;j<i;j++,k++)
{
info[j]mingci=k;
printf("%6s %8s %31f %31f %31f %31f %31f %31f\n",info[j]xuehao,info[j]mingzi,info[j]score[0],info[j]score[1],info[j]score[2],info[j]score[3],info[j]score[4],
info[j]score[5]);
}
getch();
fclose(fp);
}
void xiugai()
{
if((fp=fopen("s_scoretxt","rb+"))==NULL||(fp1=fopen("temptxt","wb+"))==NULL)
{
printf("Cannot open this file\n");
exit(0);
}
printf("\nPLease shuru xiugai xuehao:");
scanf("%d",&i); getchar();
while((fread(&data,sizeof(data),1,fp))==1)
{
j=atoi(dataxuehao);
if(j==i)
{
printf("xuehao:%s\nmingzi:%s\n",dataxuehao,datamingzi);
printf("Please shuru mingzi:");
gets(datamingzi);
printf("Please shuru yuwen score:");
gets(temp);datascore[0]=atof(temp);
printf("Please shuru shuxue score:");
gets(temp);datascore[1]=atof(temp);
printf("Please input yingyu score:");
gets(temp);datascore[2]=atof(temp);
printf("Please input wuli score:");
gets(temp);datascore[3]=atof(temp);
printf("Please input huaxue score:");
gets(temp);datascore[4]=atof(temp);
datascore[5]=datascore[0]+datascore[1]+datascore[2]+datascore[3]+datascore[4];
} fwrite(&data,sizeof(data),1,fp1);
}
fseek(fp,0L,0);
fseek(fp1,0L,0);
while((fread(&data,sizeof(data),1,fp1))==1)
{
fwrite(&data,sizeof(data),1,fp);
}
fclose(fp);
fclose(fp1);
}
void chazhao()
{
if((fp=fopen("s_scoretxt","rb"))==NULL)
{
printf("\nCannot open this file\n");
exit(0);
}
printf("\nPLease shuru xuehao chakan:");
scanf("%d",&i);
while(fread(&data,sizeof(data),1,fp)==1)
{
j=atoi(dataxuehao);
if(i==j)
{
printf("xuehao:%s mingzi:%s\nyuwen:%f\n shuxue:%f\n yingyu:%f\n wuli:%f\n huaxue:%f\n ",dataxuehao,datamingzi,datascore[0],datascore[1],datascore[2],datascore[3],datascore[4],datascore[5]);
}getch();
}
}
void shanchu()
{
if((fp=fopen("s_scoretxt","rb+"))==NULL||(fp1=fopen("temptxt","wb+"))==NULL)
{
printf("\nopen scoretxt was failed!");
getch();
exit(0);
}
printf("\nPlease input ID which you want to del:");
scanf("%d",&i);getchar();
while((fread(&data,sizeof(data),1,fp))==1)
{
j=atoi(dataxuehao);
if(j==i)
{
printf("Anykey will delet it\n");
getch();
continue;
}
fwrite(&data,sizeof(data),1,fp1);
}
fclose(fp);
fclose(fp1);
remove("s_scoretxt");
rename("temptxt","s_scoretxt");
printf("Data delet was succesful!\n");
printf("Anykey will return to main");
getch();
}
main()
{
while(1)
{
clrscr(); /清屏幕/
gotoxy(1,1); /移动光标/
textcolor(YELLOW); /设置文本显示颜色为**/
textbackground(BLUE); /设置背景颜色为蓝色/
window(1,1,99,99); / 制作显示菜单的窗口，大小根据菜单条数设计/
clrscr();
printf("welcome to use student manage\n");
printf("menu\n");
printf(" ========================================================= \n");
printf(" 1>shuru 2>xiugai \n");
printf(" 3>shanchu 4>chazhao \n");
printf(" 5>xianshi 6>exit \n");
printf(" \n");
printf(" --------------------------------------------------------- \n");
printf(" Please input which you want(1-6):");
ch=getch();
switch(ch)
{
case '1':shuru();break;
case '2':xiugai(); break;
case '3':shanchu(); break;
case '4':chazhao(); break;
case '5':xianshi(); break;
case '6':exit(0);
default: continue;
}
}
}

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