#include?“book.h“

huanbook（）?/*還書函數(shù)*/?
{?
FILE?*fp*fp2;?/*定義兩個文件指針，fp2用于修改數(shù)據(jù)時設(shè)立臨時文件用，防止數(shù)據(jù)遭破壞*/?
int?in;?
int?carnum;?
char?lendbook[10];?
printf（“請你輸入你的卡號\n“）;?
scanf（“%d“&carnum）;?
fp=fopen（“car.txt““r“）;?/*讀取卡號記錄*/?
for（i=0;fread（&car[i]sizeof（struct?car）1fp）!=0;i++）?/*for循環(huán)判斷卡號是否存在*/?
{?
???if（car[i].carnum==carnum）?/*卡號存在，進(jìn)入下一循環(huán)*/?
???{?
????n=i;?
????fclose（fp）;?
????printf（“請輸入你要還的書的名字\n“）;?
????scanf（“%s“l(fā)endbook）;?
????fp=fopen（“record.txt““r“）;?
????for（i=0;fread（&student[i]sizeof（struct?student）1fp）!=0;i++）?/*判斷是否借閱了輸入的書*/?
????{?
?????if（strcmp（student[i].lendbooklendbook）==0）?/*借閱了該書，進(jìn)入下一循環(huán)，否則出錯顯示*/?
?????{?
??????fclose（fp）;?
??????fp=fopen（“record.txt““r“）;?
??????fp2=fopen（“bookl.txt““w“）;?
??????for（i=0;fread（&student[i]sizeof（struct?student）1fp）!=0;i++）?
??????{?
???????if（strcmp（student[i].lendbooklendbook）==0）?
???????{?
????????continue;?/*刪除還掉的書的借書記錄*/?
???????}?
???????fwrite（&student[i]sizeof（struct?student）1fp2）;?/*寫入原來沒還的書的記錄*/?
??????}?
??????fclose（fp）;?
??????fclose（fp2）;?
??????fp=fopen（“record.txt““w“）;?
??????fp2=fopen（“bookl.txt““r“）;?
??????for（i=0;fread（&student[i]sizeof（struct?student）1fp2）!=0;i++）?
???????{?
????????fwrite（&student[i]sizeof（struct?student）1fp）;?/*將借書記錄信息寫回*/?
???????}?
??????fclose（fp）;?
??????fclose（fp2）;?
??????fopen（“bookl.txt““w“）;?/*清臨時文件的記錄*/?
??????fclose（fp2）;?
??????fp=fopen（“book.txt““r“）;?
??????fp2=fopen（“bookl.txt““w“）;?
??????for（i=0;fread（&book[i]sizeof（struct?book）1fp）!=0;i++）?/*將書的記錄寫入臨時文件，防止因?yàn)樾薷男畔⑵茐囊郧暗挠涗?/?
??????{?
???????if（i==n）?
???????{?
????????book[i].turefalse=1;?
????????fwrite（&book[i]sizeof（struct?book）1fp2）;?/*將還的書的原來狀態(tài)設(shè)為無人借閱的*/?
????????continue;?
???????}?
???????fwrite（&book[i]sizeof（struct?book）1fp2）;?
??????}?
??????fclose（fp）;?
??????fclose（fp2）;?
??????fp=fopen（“book.txt““w“）;?
??????fp2=fopen（“bookl.txt““r“）;?
??????for（i=0;fread（&book[i]sizeof（struct?book）1fp2）!=0;i++）?
??????{?
???????fwrite（&book[i]sizeof（struct?book）1fp）;?/*將臨時文件寫回*/?
??????}?
??????fclose（fp）;?
??????fclose（fp2）;?
??????fopen（“bookl.txt““w“）;?/*清臨時文件*/?
??????fclose（fp2）;?
??????printf（“還書完畢，按任意鍵返回\n“）;?
??????getch（）;?
??????return;?
?????}?
????}?
????printf（“你沒有借這樣的書，任意鍵返回\n“）;?/*出錯提示*/?
????fclose（fp）;?
????getch（）;?
????return;?
???}?
}?
printf（“系統(tǒng)沒這樣的卡，和管理員聯(lián)系按任意鍵返回\n“）;?/*出錯提示*/?
fclose（fp）;?
getch（）;?
}


findbook（）//根據(jù)書名查找書籍
{?
FILE?*fp;?
char?bookname[10];?
int?i;?
fp=fopen（“book.txt““r“）;?
printf（“請輸入你要查找的書名\n“）;?
scanf（“%s“bookname）;?
for（i=0;fread（&book[i]sizeof（struct?book）1fp）!=0;i++）?
{?
???if（strcmp（booknamebook[i].bookname）==0）?
???{?
????if（book[i].turefalse==1）?
????{?
?????printf（“這本書的詳細(xì)資料是：%d?%s?%s?此書現(xiàn)在無人借閱\n按任意鍵返回\n“book[i].booknumbook[i].booknamebook[i].bookcreat）;?
????}?
????else?{printf（“這本書已經(jīng)有人借出\n“）;fclose（fp）;return?0;}?
????fclose（fp）;?
????return?FALSE;?
???}?
}?
printf（“沒有你要查詢的書籍\n“）;?

?屬性????????????大小?????日期????時間???名稱
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?????文件??????16867??2009-02-28?15:57??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\book.c

?????文件????????770??2008-12-31?09:34??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\book.h

?????文件?????????84??2009-02-28?15:56??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\book.txt

?????文件??????????0??2009-02-28?15:56??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\bookl.txt

?????文件?????????60??2009-02-28?15:43??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\car.txt

?????文件??????48303??2009-02-28?15:36??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\Debug\book.obj

?????文件??????33792??2009-02-28?15:42??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\Debug\vc60.idb

?????文件??????53248??2009-02-28?15:39??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\Debug\vc60.pdb

?????文件?????192575??2009-02-28?15:39??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\Debug\圖書管理系統(tǒng).exe

?????文件?????217952??2009-02-28?15:39??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\Debug\圖書管理系統(tǒng).ilk

?????文件??????58271??2009-02-28?15:39??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\Debug\圖書管理系統(tǒng).obj

?????文件?????223260??2009-02-28?15:39??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\Debug\圖書管理系統(tǒng).pch

?????文件?????402432??2009-02-28?15:39??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\Debug\圖書管理系統(tǒng).pdb

?????文件??????????0??2008-12-31?09:23??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\employ.txt

?????文件??????????0??2009-02-28?15:56??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\record.txt

?????文件?????395776??2009-03-06?12:06??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\圖書管理程序的設(shè)計(jì)與實(shí)現(xiàn).doc

?????文件???????2910??2009-01-16?09:51??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\圖書管理系統(tǒng).c

?????文件???????3473??2009-02-28?15:38??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\圖書管理系統(tǒng).dsp

?????文件????????549??2009-02-28?16:08??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\圖書管理系統(tǒng).dsw

?????文件??????33792??2009-02-28?16:08??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\圖書管理系統(tǒng).ncb

?????文件??????48640??2009-02-28?16:08??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\圖書管理系統(tǒng).opt

?????文件????????778??2009-02-28?15:39??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\圖書管理系統(tǒng).plg

?????目錄??????????0??2009-02-28?15:39??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)\Debug

?????目錄??????????0??2009-02-28?16:08??盧青數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)

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??????????????1733532????????????????????24