#include
#include
#include
#include
typedef int BOOL;
typedef struct bookinfo
{
char number[15];
char name[30];
float price;
char auther[20];
BOOL isExit;
char lendername[20];
char lendersex[2];
char lendernum[15];
}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:新进图书基本信息的输入\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:根据图书名称对撤销的图书信息进行删除\n");
printf("\t\t\t5:按照图书名称从小大到顺序\n");
printf("\t\t\t6:统计某价格以下的图书总量\n");
printf("\t\t\t7:列出所有未借出去的图书信息\n");
printf("\t\t\t8:退出\n");
}
void choice_1_input_new()
{
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("输入图书的作者:");
gets(newbook.auther);
printf("输入借书人姓名:");
gets(newbook.lendername);
printf("输入借书人性别:");
gets(newbook.lendersex);
printf("输入借书人学号:");
gets(newbook.lendernum);
printf("是否保存该条书目?(Y/N)\n");
choice=getch();
while(choice!='Y'&&choice!='y'&&choice!='N'&&choice!='n')
choice=getch();
if(choice=='Y'||choice=='y')
{
newbook.isExit=1;
p=fopen("c:\\bookinfo.data","ab");
fwrite(&newbook,sizeof(BOOKINFO),1,p);
fclose(p);
printf("\n该条书目已添加到c:\\bookinfo.data文件中!\n");
}
else
{
printf("\n本条书目未保存!\n");
}
printf("\n是否继续添加书目?(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()
{
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++;
}
fclose(p);
booknumber--;
if(booknumber==0)
{
printf("没有任何图书信息!\n\n");
}
else
{
n=0;
printf("图书信息如下\n");
printf("图书信息|借书人信息 \n");
printf("编号 名称单价 作者 图书状态 | 姓名性别 学号\n");
while(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);
n++;
}
}
printf("\n\n按任意键回到主菜单!\n");
getch();
}
void choice_3_search_according_name()
{
char search[20]="";
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--;
fclose(p);
while(1)
{
printf("输入要查询的书本名称:");
gets(search);
if(booknumber==0)
{
printf("书库中没有任何信息!\n\n");
printf("按任意键回到主菜单!\n\n");
getch();
break;
}
else
{
for(n=0;n
if(strcmp(bookinfo[n].name,search)==0)
{
printf("该书的具体信息如下:\n");
printf("图书信息|借书人信息 \n");
printf("编号 名称单价 作者 图书状态 | 姓名性别 学号\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("没有查找该书的任何信息!\n");
printf("\n\n是否继续查询?(Y/N)\n");
choice=getch();
while(choice!='Y'&&choice!='y'&&choice!='N'&&choice!='n')
choice=getch();
if(choice=='Y'||choice=='y')
continue;
else
break;
}
}
}
void choice_4_delete_according_name()
{
char search[20]="";
int n,i;
FILE *p;
char choice;
BOOKINFO bookinfo[100];
int booknumber;
system("cls");
while(1)
{
printf("输入要删除的书本名称:");
gets(search);
p=fopen("c:\\bookinfo.data","rb");
booknumber=0;
while(!feof(p))
{
fread(&bookinfo[booknumber],sizeof(BOOKINFO),1,p);
booknumber++;
}
booknumber--;
fclose(p);
if(booknumber==0)
{
printf("书库中没有任何信息!\n\n");
printf("按任意键回到主菜单!\n\n");
getch();
break;
}
else
{
for(n=0;n
if(strcmp(bookinfo[n].name,search)==0)
{
break;
}
if(n>=booknumber)
printf("没有查找该书的任何信息!\n");
else
{
printf("是否确定应该删除该条书目?(Y/N)");
choice=getch();
while(choice!='Y'&&choice!='y'&&choice!='N'&&choice!='n')
choice=getch();
if(choice=='Y'||choice=='y')
{
for(i=n;i
bookinfo[i]=bookinfo[i+1];
booknumber--;
p=fopen("c:\\bookinfo.data","wb");
for(n=0;n
fwrite(&bookinfo[n],sizeof(BOOKINFO),1,p);
fclose(p);
printf("删除成功!\n");
}
else
printf("\n\n该条书目没有被删除!");
}
printf("\n\n是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;
}
}
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