D单项选择题标准化考试系统设计(4)

单项选择题标准化考试系统

}

} else

printf(\出错!不能打开文件!\exit(0);

for(i=0;i

fprintf(fp2,\

fclose(fp2);

int shumu() {

int i=0;

if((fp1=fopen(\ {

printf(\出错!不能打开文件!\ exit(0);

}

while(!feof(fp1))

fscanf(fp1,\

{

on[i].b,question[i].c,question[i].d); }

void shanchu(void) {

int a,i; m=shumu();

printf(\共有%d道题\\n\printf(\请输入要删除的题号:\scanf(\

}

i++; m=i;

fclose(fp1); return m;

第 16 页 共 30 页

单项选择题标准化考试系统

readq(); reada();

for(i=a-1;i

strcpy(question[i].timu,question[i+1].timu); strcpy(question[i].a,question[i+1].a); strcpy(question[i].b,question[i+1].b); strcpy(question[i].c,question[i+1].c); strcpy(question[i].d,question[i+1].d);

answer[i].a=answer[i+1].a; }

void zengjia(void) { int i; m=shumu(); i=m;

printf(\共有%d道题\\n\readq(); reada();

printf(\输入您要增加的题目:\\n\printf(\请输入题号:\scanf(\answer[i].t=question[i].t; printf(\请输入题干:\scanf(\} m=m-1; writeq(); writea();

printf(\请输入选项A:\

scanf(\

printf(\请输入选项B:\scanf(\printf(\请输入选项C:\

第 17 页 共 30 页

单项选择题标准化考试系统

scanf(\printf(\请输入选项D:\scanf(\

printf(\请输入答案:\

getchar();

scanf(\

if((fp1=fopen(\{

printf(\出错!不能打开文件!\ exit(0); }

if((fp2=fopen(\{

printf(\出错!不能打开文件!\ exit(0); }

fprintf(fp1,\

a,question[i].b,question[i].c,question[i].d); }

void xiugai(void) { int n; m=shumu();

printf(\共有%d道题\\n\readq(); reada();

fprintf(fp2,\fclose(fp1); fclose(fp2);

printf(\请输入您要修改的题号:\

scanf(\n=n-1;

question[n].t=n+1; answer[n].t=n+1;

第 18 页 共 30 页

单项选择题标准化考试系统

printf(\请输入题干:\

scanf(\

printf(\请输入选项A(请以A.开头):\

scanf(\

printf(\请输入选项B(请以B.开头):\

scanf(\

printf(\请输入选项C(请以C.开头):\

scanf(\

printf(\请输入选项D(请以D.开头):\

scanf(\

printf(\请输入答案:\ }

void teacher(void) { int b; char c;

int menu_select(); m=shumu();

printf(\共有%d道题\\n\getchar();

scanf(\writeq(); writea();

printf(\您可以对试题库进行以下维护操作:\\n\ printf(\、删除\\n2、增加\\n3、修改\\n请选择:\

scanf(\switch(b) { }

printf(\是否继续？(Y/是,N/否)\getchar();

case 1: shanchu();break; case 2: zengjia();break; case 3: xiugai();break;

第 19 页 共 30 页

单项选择题标准化考试系统

}

scanf(\getchar(); if(c=='Y')

teacher();

else if(c=='N')

menu_select();

void student(void) {

int menu_select(); int a,i,j,n;

int as[100],bb[100]; char b,c,d; char ans[100];

printf(\开始做题？(Y/是,N/否)\getchar(); scanf(\getchar(); if(b=='Y') {

m=shumu();

printf(\共有%d道题\\n\printf(\请输入答题数:\scanf(\srand(time(NULL)); for(i=0;i

printf(\

as[i]=rand()%(m-0+1)+0;

第 20 页 共 30 页