c语言图书管理系统

#include <stdio.h>#include <stdlib.h>#include <time.h>#include <string.h>typedef int BOOL;typedef struct bookinfo{
char number[15];/*产品编号*/
char name[30];/*产品名称*/
float price;/*单价*/
char auther[20];/*作者*/
BOOL isExit;/*存状态*/
char lendername[20];/*借书姓名*/
char lendersex[2];/*借书性别*/
char lendernum[15];/*借书号*/}BOOKINFO;void menu(){
printf("＼n＼n＼n＼n＼n＼n＼n");
printf("＼t＼t＼t图书管理系统＼n");
printf("＼t＼t＼t1:新进图书基本信息输入＼n");
printf("＼t＼t＼t2:显示全部记录＼n");
printf("＼t＼t＼t3:根据图书名称查询图书基本信息＼n");
printf("＼t＼t＼t4:根据图书名称撤销图书信息进行删除＼n");
printf("＼t＼t＼t5:按照图书名称排序＼n");
printf("＼t＼t＼t6:统计某价格图书数量＼n");
printf("＼t＼t＼t7:列所未借图书信息＼n");
printf("＼t＼t＼t8:退＼n");
}void choice_1_input_new()/*输入新进图书信息*/{
char choice;
FILE *p;
BOOKINFO newbook;
system("cls");
while(1)
{
printf("输入图书编号:");
gets(newbook.number);



printf("输入图书名称:");
gets(newbook.name);



printf("输入图书单价:");
scanf("%f",&newbook.price;);
while(getchar()!='＼n');



printf("输入图书作者:");
gets(newbook.auther);



printf("输入借书姓名:");
gets(newbook.lendername);



printf("输入借书性别:");
gets(newbook.lendersex);



printf("输入借书号:");
gets(newbook.lendernum);


printf("否保存该条书目?(Y/N)＼n");
choice=getch();
while(choice!='Y'&&choice;!='y'&&choice;!='N'&&choice;!='n')

choice=getch();
if(choice=='Y'||choice=='y')

{

newbook.isExit=1;/*图书状态设置1表示没借*/



p=fopen("c:＼＼bookinfo.data","ab");

fwrite(&newbook;,sizeof(BOOKINFO),1,p);

fclose(p);




printf("＼n该条书目已添加c:＼＼bookinfo.data文件!＼n");

}

else

{

printf("＼n本条书目未保存!＼n");


}
printf("＼n否继续添加书目?(Y/N)＼n");
choice=getch();
while(choice!='Y'&&choice;!='y'&&choice;!='N'&&choice;!='n')

choice=getch();
if(choice=='Y'||choice=='y')

continue;
else

break;


}
}void choice_2_display_all()/*显示全部图书信息*/{
FILE *p;
int n;
BOOKINFO bookinfo[100];
int booknumber=0;
system("cls");
p=fopen("c:＼＼bookinfo.data","rb");
while(!feof(p))
{
fread(&bookinfo;[booknumber],sizeof(BOOKINFO),1,p);
booknumber++;

}
/*booknumber--;使用feof()函数读行需要booknumber自减使书目数量确*/
fclose(p);
booknumber--;
if(booknumber==0)
{
printf("没任何图书信息!＼n＼n");
}
else
{
n=0;
printf("






图书信息＼n");
printf("



图书信息



|

借书信息 ＼n");
printf("编号 名称

单价
作者
图书状态 | 姓名

性别
号＼n");
while(n<booknumber)

{

printf("%-6s%-12s%-8.1f%-8s%-9d| %-12s%-8s%-8s＼n",









bookinfo[n].number,bookinfo[n].name,bookinfo[n].price,









bookinfo[n].auther,bookinfo[n].isExit,bookinfo[n].lendername,









bookinfo[n].lendersex,bookinfo[n].lendernum);

n++;










}
}
printf("＼n＼n按任意键主菜单!＼n");
getch();
}void choice_3_search_according_name()/*根据图书名称显示图书信息*/{
char search[20]="";/*search用存放要查询书名*/
int n;
FILE *p;
char choice;
BOOKINFO bookinfo[100];
int booknumber=0;

system("cls");
p=fopen("c:＼＼bookinfo.data","rb");
while(!feof(p))
{
fread(&bookinfo;[booknumber],sizeof(BOOKINFO),1,p);
booknumber++;

}
booknumber--;/*使用feof()函数读行需要booknumber自减使书目数量确*/
fclose(p);
while(1)
{
printf("输入要查询书本名称:");
gets(search);
if(booknumber==0)
{
printf("书库没任何信息!＼n＼n");
printf("按任意键主菜单!＼n＼n");
getch();
break;

}/*if结束*/
else
{
for(n=0;n<booknumber;n++)

if(strcmp(bookinfo[n].name,search)==0)

{

printf("该书详细信息:＼n");

printf("



图书信息



|

借书信息 ＼n");

printf("编号 名称

单价
作者
图书状态 | 姓名

性别
号＼n");

printf("%-6s%-12s%-8.1f%-8s%-9d| %-12s%-8s%-8s＼n",









bookinfo[n].number,bookinfo[n].name,bookinfo[n].price,









bookinfo[n].auther,bookinfo[n].isExit,bookinfo[n].lendername,









bookinfo[n].lendersex,bookinfo[n].lendernum);

break;








}
if(n>=booknumber)

printf("没查找该书任何信息!＼n");
printf("＼n＼n否继续查询?(Y/N)＼n");
choice=getch();
while(choice!='Y'&&choice;!='y'&&choice;!='N'&&choice;!='n')

choice=getch();
if(choice=='Y'||choice=='y')

continue;
else

break;




}/*else结束*/
}/*while(1)结束*/
}void choice_4_delete_according_name()/*根据图书名称图书信息进行删除*/{
char search[20]="";/*search用存放要删除书名*/
int n,i;
FILE *p;
char choice;
BOOKINFO bookinfo[100];
int booknumber;

system("cls");
while(1)
{
printf("输入要删除书本名称:");
gets(search);
p=fopen("c:＼＼bookinfo.data","rb");
booknumber=0;
while(!feof(p))

{

fread(&bookinfo;[booknumber],sizeof(BOOKINFO),1,p);

booknumber++;


}
booknumber--;/*使用feof()函数读行需要booknumber自减使书目数量确*/
fclose(p);
if(booknumber==0)

{

printf("书库没任何信息!＼n＼n");

printf("按任意键主菜单!＼n＼n");

getch();

break;

}/*if结束*/
else

{


for(n=0;n<booknumber;n++)

if(strcmp(bookinfo[n].name,search)==0)


{


break;


}

if(n>=booknumber)

printf("没查找该书任何信息!＼n");

else

{

printf("否确认需要删除该条书目?(Y/N)");

choice=getch();


while(choice!='Y'&&choice;!='y'&&choice;!='N'&&choice;!='n')


choice=getch();

if(choice=='Y'||choice=='y')



{


for(i=n;i<booknumber-1;i++)


bookinfo[i]=bookinfo[i+1];



booknumber--;





p=fopen("c:＼＼bookinfo.data","wb");


for(n=0;n<booknumber;n++)


fwrite(&bookinfo;[n],sizeof(BOOKINFO),1,p);


fclose(p);





printf("删除功!＼n");


}

else


printf("＼n＼n该条书目没删除!");


}


printf("＼n＼n否继续进行删除操作?(Y/N)＼n");

choice=getch();

while(choice!='Y'&&choice;!='y'&&choice;!='N'&&choice;!='n')

choice=getch();

if(choice=='Y'||choice=='y')

continue;

else


break;




}/*else结束*/
}/*while(1)结束*/
}void choice_5_sort_according_name()/*根据图书名称排序*/{
FILE *p;
int m,n;
BOOKINFO temp;
BOOKINFO bookinfo[100];
int booknumber;

p=fopen("c:＼＼bookinfo.data","rb");
booknumber=0;
system("cls");
while(!feof(p))
{
fread(&bookinfo;[booknumber],sizeof(BOOKINFO),1,p);
booknumber++;

}
booknumber--;/*使用feof()函数读行需要booknumber自减使书目数量确*/
fclose(p);
if(booknumber==0)
{
printf("没任何图书信息!＼n＼n");
}
else
{
for(m=0;m<booknumber-1;m++)

for(n=m+1;n<booknumber;n++)

if(strcmp(bookinfo[m].name,bookinfo[n].name)>0)


{


temp=bookinfo[m];


bookinfo[m]=bookinfo[n];


bookinfo[n]=temp;



}
p=fopen("c:＼＼bookinfo.data","wb");
for(m=0;m<booknumber;m++)

fwrite(&bookinfo;[m],sizeof(BOOKINFO),1,p);
fclose(p);


printf("＼n＼n完排序!＼n＼n");


}
printf("按任意键主菜单!＼n");
getch(); }void choice_6_display_high_price()/*根据价格列图书信息*/{
float price;
FILE *p;
int n;
int count=0;
BOOKINFO bookinfo[100];
int booknumber;

system("cls");
printf("请输入价格:");
scanf("%f",&price;);
p=fopen("c:＼＼bookinfo.data","rb");
booknumber=0;
while(!feof(p))
{
fread(&bookinfo;[booknumber],sizeof(BOOKINFO),1,p);
booknumber++;

}
booknumber--;/*使用feof()函数读行需要booknumber自减使书目数量确*/
fclose(p);
if(booknumber==0)
{
printf("没任何图书信息!＼n＼n");
}
else
{
for(n=0;n<booknumber;n++)

{

if(bookinfo[n].price>=price)

count++;

}
if(count==0)

printf("书库没比%.1f$价格高图书!",price);
else

{

printf("





价格高于%.1f$图书信息＼n",price);

printf("



图书信息



|

借书信息 ＼n");

printf("编号 名称

单价
作者
图书状态 | 姓名

性别
号＼n");

for(n=0;n<booknumber;n++)

{

if(bookinfo[n].price>=price)


printf("%-6s%-12s%-8.1f%-8s%-9d| %-12s%-8s%-8s＼n",









bookinfo[n].number,bookinfo[n].name,bookinfo[n].price,









bookinfo[n].auther,bookinfo[n].isExit,bookinfo[n].lendername,









bookinfo[n].lendersex,bookinfo[n].lendernum);










}

}
}
printf("＼n＼n按任意键主菜单!＼n");
getch();
}void choice_7_display_according_exitflag()/*根据存状态列图书信息*/{
FILE *p;
int n;
int count=0;
BOOKINFO bookinfo[100];
int booknumber;

system("cls");
booknumber=0;
p=fopen("c:＼＼bookinfo.data","rb");
while(!feof(p))
{
fread(&bookinfo;[booknumber],sizeof(BOOKINFO),1,p);
booknumber++;

}
booknumber--;
fclose(p);
if(booknumber==0)
{
printf("书库没任何书目存!＼n");
}

else
{
for(n=0;n<booknumber;n++)

if(bookinfo[n].isExit==1)

count++;
if(count==0)

printf("书库书籍全部借!＼n");


else

{

printf("书库未借图书信息:＼n＼n");

printf("



图书信息



|

借书信息 ＼n");

printf("编号 名称

单价
作者
图书状态 | 姓名

性别
号＼n");

for(n=0;n<booknumber;n++)

if(bookinfo[n].isExit==1)


{


printf("%-6s%-12s%-8.1f%-8s%-9d| %-12s%-8s%-8s＼n",









bookinfo[n].number,bookinfo[n].name,bookinfo[n].price,









bookinfo[n].auther,bookinfo[n].isExit,bookinfo[n].lendername,









bookinfo[n].lendersex,bookinfo[n].lendernum);



}


}

}
printf("＼n按任意键返主菜单!＼n");
getch(); }void main(){
char choice;
clock_t tm;
FILE *p;
if((p=fopen("c:＼＼bookinfo.data","rb"))==NULL)
{
p=fopen("c:＼＼bookinfo.data","wb");

fclose(p);
}
while(1)
{
system("cls");
menu();
choice=getch();
switch(choice)

{

case '1':choice_1_input_new();break;/*输入新进图书信息*/

case '2':choice_2_display_all();break;/*显示全部图书信息*/

case '3':choice_3_search_according_name();break;/*根据图书名称显示图书信息*/

case '4':choice_4_delete_according_name();break;/*根据图书名称图书信息进行删除*/

case '5':choice_5_sort_according_name();break;/*根据图书名称排序*/

case '6':choice_6_display_high_price();break;/*根据价格列图书信息*/

case '7':choice_7_display_according_exitflag();break;/*根据存状态列图书信息*/

case '8':printf("＼n＼n＼t＼t＼t谢谢使用,再见!＼n＼t＼t＼t按任意键退!＼n");getch();return;

default:



printf("＼n＼n＼t＼t＼t请输入菜单数字!(1~8)");




tm=clock();



while(clock()<tm+1800);



break;

}

}}写赶,知道行行 程序没复杂东西要写楼主吧