#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include <string.h>
#define N 20
struct xk
{
int num;
char name[20];
char xz;
int zks;
int ks;
int syks;
int xf;
int kk;
}kc[N];
void lr()
{
FILE *fp;
int i,n;
fp=fopen("d://kcxx.txt","ab+");
if(fp==NULL){
printf("Can not open file\n");
exit(1);
}
printf("输入几门课程信息\n");
scanf("%d",&n);
for(i=0;i<n;i++)
{
printf("请输入课程编号\n");
scanf("%d",&kc[i].num);
printf("请输入课程名称\n");
gets(kc[i].name);
printf("请输入课程性质\n");
scanf("%c",&kc[i].xz);
printf("请输入课程总课时\n");
scanf("%d",&kc[i].zks);
printf("请输入课程授课课时\n");
scanf("%d",&kc[i].ks);
printf("请输入课程实验课时\n");
scanf("%d",&kc[i].syks);
printf("请输入课程学分\n");
scanf("%d",&kc[i].xf);
printf("请输入课程开课学期\n");
scanf("%d",&kc[i].kk);
fwrite(&kc[i],sizeof(struct xk),8,fp);
}
fclose(fp);
}
void ll()
{
FILE *fp;
int i;
fp=fopen("d://kcxx.txt","ab+");
if(fp==NULL){
printf("Can not open file\n");
exit(1);
}
for(i=0;i<N;i++){
fread(&kc[i],sizeof(struct xk),8,fp);
printf("%d\t%s\t%c\t%d\t%d\t%d\t%d\t%d\t",&kc[i].num,&kc[i].name,&kc[i].xz,&kc[i].zks,&kc[i].ks,&kc[i].syks,&kc[i].xf,&kc[i].kk);
}
fclose(fp);
}
void xfcx()
{
FILE *fp;
struct xk kc1[N];
int i,n;
fp=fopen("d://kcxx.txt","rb");
if(fp==NULL){
printf("Can not open file\n");
exit(1);
}
printf("输入学分\n");
scanf("%d",&i);
for(n=0;n<N;n++){
fread(&kc1[n],sizeof(struct xk),1,fp);
if(i==kc1[n].xf)
{
printf("%d\t%s\t%c\t%d\t%d\t%d\t%d\t%d\t",&kc[i].num,&kc[i].name,&kc[i].xz,&kc[i].zks,&kc[i].ks,&kc[i].syks,&kc[i].xf,&kc[i].kk);
}
}
void xfcx()
{
FILE *fp;
struct xk kc1[N];
int i,n;
fp=fopen("d://kcxx.txt","rb");
if(fp==NULL){
printf("Can not open file\n");
exit(1);
}
printf("输入学分\n");
scanf("%d",&i);
for(n=0;n<N;n++){
fread(&kc1[n],sizeof(struct xk),1,fp);
if(i==kc1[n].xf)
{
printf("%d\t%s\t%c\t%d\t%d\t%d\t%d\t%d\t",&kc[i].num,&kc[i].name,&kc[i].xz,&kc[i].zks,&kc[i].ks,&kc[i].syks,&kc[i].xf,&kc[i].kk);
}
}
void cx()
{
FILE *fp;
int i;
fp=fopen("d://kcxx.txt","ab+");
if(fp==NULL){
printf("Can not open file\n");
exit(1);
}
printf("1、学分查询，2、课程性质查询");
scanf("%d",&i);
switch(i)
{
case 1:xfcx();
break;
case 2:xzcx();
break;
default:printf("输入有误，重新输入。\n");
sleep(1000);
}
}
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