会python真的可以为所欲为0(回)
379天前
这里还有人吗1(回)
564天前这里还有人吗0(回)
564天前
每天面对着电脑屏幕，敲打键盘。我所面对的并不只是代码，而是一种生活方式。0(回)
789天前到处都是羊，不想上班0(回)
869天前
鸽子
0(回)
873天前
version-ultimate.rar(免费下载)[10 次下载]void searchbook()//查询函数 |
{ |
FILE *fp; |
int choose; |
int ttid=0,tid=0,tamount=0,n=0,k=0,i,l; |
char tname[20]= {'\0'},ttauthor[20]= {'\0'},tauthor[20]= {'\0'},ttpublishing[20]= {'\0'},tpublishing[20]= {'\0'}, deletebookname[20]= {'\0'}; |
if ((fp=fopen("library.txt","r"))==NULL)//打开文件 |
{ |
system ("cls"); |
printf("\n\n\n\n\n\n\n\n\n\t\t\t记录文件不存在，请按任意键返回。"); |
getch(); |
booksystem(); |
} |
l=stockcount();//获得库存文件中图书个数 |
choose=searchmenu(); |
fflush(stdin); |
while (1) |
{ |
switch(choose)//功能函数选择 |
{ |
case 1: |
system ("cls"); |
printf("\n"); |
printf("请输入编号:"); |
scanf("%d",&ttid); |
break; |
case 2: |
system ("cls"); |
printf("\n"); |
printf("请输入书名:"); |
scanf("%s",deletebookname); |
break; |
case 3: |
system ("cls"); |
printf("\n"); |
printf("请输入作者:"); |
scanf("%s",ttauthor); |
break; |
case 4: |
system ("cls"); |
printf("\n"); |
printf("请输入出版社:"); |
scanf("%s",ttpublishing); |
break; |
case 5: |
booksystem(); |
break; |
default: |
printf("您的输入有误，请重新输入。\n"); |
getch(); |
booksystem(); |
break; |
} |
break; |
} |
|
system ("cls"); |
for (i=0; i<l; i++) |
{ |
fscanf(fp,"%d%s%s%s%d",&tid,tname,tauthor,tpublishing,&tamount);//读文件信息 |
if (ttid==tid||!strcmp(deletebookname,tname)||!strcmp(ttauthor,tauthor)||!strcmp(ttpublishing,tpublishing))//输出查询信息 |
{ |
if (k==0) |
{ |
printf("\n查询结果:\n\n"); |
printf("编号\t书名\t\t作者\t\t出版社\t\t\t库存量 \n"); |
} |
printf("%-7d %-15s %-15s %-23s %-5d \n",tid,tname,tauthor,tpublishing,tamount); |
k++; |
} |
} |
if (k==0)//文件夹为空则输出无记录 |
{ |
system ("cls"); |
printf("\n\n\n\n\t\t\t\t无符合的记录。\n"); |
getch(); |
booksystem(); |
} |
fclose(fp); |
getch(); |
booksystem(); |
} |
version-ultimate.rar(免费下载)[10 次下载]
初级程序员
by: 云代码会员 发表于：2016-09-24 11:15:33 顶(0) | 踩(0) 回复
不错
回复评论