图书馆管理系统

#include<stdioh>

#include<stringh>

#include<conioh>

#include<stdlibh>

#include<windowsh>

#define LL sizeof(BOOK_TYPE)

int maininterface();

void infor_input();

void refer();

void refer_1();

void refer_2();

void modify();

void delete();

void findbook();

void findbook1();

void findbook2();

void devise();

void main()

{

int a=0;

do

{

a=maininterface();

switch(a)

{

case 1:system("CLS");infor_input();break;

case 2:system("CLS");refer();break;

case 3:system("CLS");modify();break;

case 4:system("CLS");delete();break;

case 5:exit(0);

default:system("CLS");printf("\n\n\n\n\t\t\t无此 *** 作,请按任意键返回:\n");getch();system("CLS");

}

}while(a!=6);

}

int maininterface()

{

int n;

printf("\n\n\n\t\t------------欢迎进入图书登记管理系统！-----------\n");

printf("\n\t\t\t\t1:<录入图书信息>\n");

printf("\n\t\t\t\t2:<查询信息>\n");

printf("\n\t\t\t\t3:<修改图书信息>\n");

printf("\n\t\t\t\t4:<删除图书信息>\n");

printf("\n\t\t\t\t5:<退出系统>\n");

printf("\n\t\t\t请输入1--5,其他输入非法！\n");

scanf("%d",&n);

return n;

}

typedef struct

{

int month;

int day;

int year;

}DATES;

DATES day;

typedef struct books

{

char bookname[50];

char ISBN[50];

char author[50];

char publisher[50];

float money;

DATES day;

int count;

struct books next;

}BOOK_TYPE;

BOOK_TYPE ts;

struct books head = NULL;

void infor_input()

{

FILE fp;

int n=0;

BOOK_TYPE ts;

printf("---------------图书资料基本信息录入--------------\n");

do

{

printf("请输入书名\n");

scanf("%s",tsbookname);

printf("请输入ISBN\n");

scanf("%s",tsISBN);

printf("请输入作者\n");

scanf("%s",tsauthor);

printf("请输入出版社\n");

scanf("%s",tspublisher);

printf("请输入定价\n");

scanf("%f",&tsmoney);

printf("请输入出版日期\n");

scanf("%d/%d/%d",&tsdaymonth,&tsdayday,&tsdayyear);

printf("请输入数量\n");

scanf("%d",&tscount);

printf("\n\t\t\t请选择(1:确定\t2:取消\t0:重新输入):");

scanf("%d",&n);

}while(n==0);

if(n==1)

{

if((fp=fopen("booktxt","a"))==NULL) / 若"booktxt"文件不存在，则以创建方式打开文件 /

{

fp=fopen("booktxt","w+");

}

fwrite(&ts,LL,1,fp); / 将输入的图书信息写入磁盘文件"booktxt" /

fclose(fp);

}

system("CLS");

printf("输入成功!\n");

printf("请选择(1:返回主界面\t2:输入另一本图书信息\t0:退出系统):\n");

scanf("%d",&n);

switch(n)

{

case 1:system("CLS");break;

case 2:system("CLS");infor_input();break;

case 0:break;

default:printf("无此 *** 作,按任意键返回\n");getch();system("CLS");break;

}

}

void refer()

{

int n;

printf("1:<根据ISBN号，找出图书信息>\n");

printf("2:<根据出版社名称，找出所有图书信息>\n");

printf("3:<根据书名，找出图书信息>\n");

printf("4:<统计书籍总数>\n");

printf("5:<统计书籍总金额和平均价格>\n");

printf("0:<返回>\n");

printf("请输入0--5，其他输入非法！\n");

scanf("%d",&n);

switch(n)

{

case 1:system("CLS");findbook();break;

case 2:system("CLS");findbook1();break;

case 3:system("CLS");findbook2();break;

case 4:system("CLS");refer_1();break;

case 5:system("CLS");refer_2();break;

case 0:system("CLS");break;

default:printf("无此 *** 作\n");break;

}

}

struct books read_1()

{

FILE fp;

struct books p1,p2,head;

fp=fopen("booktxt","r");

head=p1=(BOOK_TYPE )malloc(LL);

fread(p1,LL,1,fp);

while(feof(fp)==0)

{

p2=(BOOK_TYPE )malloc(LL);

fread(p2,LL,1,fp);

p1->next=p2;

p1=p2;

}

p1->next=NULL;

fclose(fp);

return head;

}

void refer_1()

{

struct books head,p,d;

struct books read_1();

int total=0;

head=read_1();

for(p=head;p->next!=NULL;d=p,p=p->next,free(d))

{

total=total+p->count;

}

printf("书籍总数:%d\n",total);

printf("按任意键返回");getch();system("CLS");

}

void refer_2()

{

int num=0;

struct books head,p1,p2;

struct books read_1();

float total=0,average=0;

head=read_1();

for(p1=head;p1->next!=NULL;p2=p1,p1=p1->next,free(p2))

{

num=num+p1->count;

total=total+p1->moneyp1->count;

}

average=total/num;

printf("书籍总金额:%2f\n",total);

printf("书籍平均价格:%2f\n",average);

printf("按任意键返回");getch();system("CLS");

}

void findbook()

{

FILE fp;

char ISBN[50];

int i;

fp=fopen("booktxt","r");

printf("请输入书的ISBN号\n");

scanf("%s",ISBN);

for(i=0;fread(&ts,LL,1,fp)!=0;i++)

{

if(strcmp(ISBN,tsISBN)==0)

printf("这本书的详细资料为：%s %s %s %s %f %d/%d/%d %d\n按任意键返回\n",tsbookname,tsISBN,tsauthor,tspublisher,tsmoney,tsdaymonth,tsdayday,tsdayyear,tscount);

}

printf("没有你所需要的书籍");

fclose(fp);

}

void findbook1()

{

FILE fp;

char publisher[50];

int i;

fp=fopen("booktxt","r");

printf("请输入书的publisher\n");

scanf("%s",publisher);

for(i=0;fread(&ts,LL,1,fp)!=0;i++)

{

if(strcmp(publisher,tspublisher)==0)

printf("这本书的详细资料为：%s %s %s %s %f %d/%d/%d %d\n按任意键返回\n",tsbookname,tsISBN,tsauthor,tspublisher,tsmoney,tsdaymonth,tsdayday,tsdayyear,tscount);

}

printf("没有你所需要的书籍");

fclose(fp);

}

void findbook2()

{

FILE fp;

char bookname[50];

int i;

fp=fopen("booktxt","r");

printf("请输入书的bookname\n");

scanf("%s",bookname);

for(i=0;fread(&ts,LL,1,fp)!=0;i++)

{

if(strcmp(bookname,tsbookname)==0)

printf("这本书的详细资料为：%s %s %s %s %f %d/%d/%d %d\n按任意键返回\n",tsbookname,tsISBN,tsauthor,tspublisher,tsmoney,tsdaymonth,tsdayday,tsdayyear,tscount);

}

printf("没有你所需要的书籍");

fclose(fp);

}

void delete()

{

struct books p1, p2;

char ISBN[50];

int e=0;

if(head == NULL)

{

printf("无书籍记录");

return;

}

printf("请输入您要删除的书籍的ISBN:\n");

scanf("%s",ISBN);

p1 = head;

while(ISBN != p1->ISBN && p1->next != NULL)

{

p2 = p1;

p1 = p1->next;

}

if(ISBN == p1->ISBN)

{

if(p1 == head)

head = p1->next;

else p2->next = p1->next;

free(p1);

e--;

}

else

printf("没有该书籍记录，请核对！\n");

}

void modify()

{

struct books p1, p2;

char ISBN[50];

if(head == NULL)

{

printf("无书籍记录！\n");

return;

}

printf("请输入您要修改的书籍的ISBN\n：");

scanf("%s",ISBN);

p1 = head;

while(ISBN != p1->ISBN && p1->next != NULL)

{

p2 = p1;

p1 = p1->next;

}

if(ISBN == p1->ISBN)

devise(p1);

else

printf("没有该学生记录，请核对！\n");

}

void devise(struct books p)

{

int choice;

choice = -1;

do

{

printf("请选择您要修改的书籍的信息内容：\n");

printf("+----------------------+\n");

printf("| 书名 请按 1 |\n");

printf("| ISBN 请按 2 |\n");

printf("| 作者 请按 3 |\n");

printf("|出版社请按 4 |\n");

printf("| 定价 请按 5 |\n");

printf("| 出版日期 请按 6 |\n");

printf("| 数量 请按 7 |\n");

printf("| 取消 请按 0 |\n");

printf("+----------------------+\n");

printf("请输入您的选择：");

scanf("%d", &choice);

switch(choice)

{

case 0:

return;

case 1:

printf("请输入新书名 ：");

scanf("%s", p->bookname);

break;

case 2:

printf("请输入新ISBN：");

scanf("%s", &p->ISBN);

break;

case 3:

printf("请输入新作者：");

scanf("%s", p->author);

break;

case 4:

printf("请输入新出版社：");

scanf("%s", p->publisher);

break;

case 5:

printf("请输入新定价：");

scanf("%d", p->money);

break;

case 6:

printf("请输入新出版日期 ：");

scanf("%ld", &p->daymonth,dayday,dayyear);

break;

case 7:

printf("请输入新数量：");

scanf("%s", p->count);

break;

default:

printf("\n无效选项!");

break;

}

}

while(choice != 0);

}

///////////////////////////////////////////////////////////////////

// File :

// Author :

// Date :

// Modifier :

// Modify Date :

// Description :

///////////////////////////////////////////////////////////////////

#include <iomanip>

#include <string>

#include <cmath>

#include <vector>

#include <fstream>

#include <sstream>

#include <iostream>

using namespace std;

struct Book

{

int Number;// 书号

string Name;// 书名

int Price;// 价格

int Deal_Num;// 交易流水号

};

void Data_Input( vector< Book > &book )

{

int Num;

Book Temp;

string s;

stringstream sstr;

char File_Name[10]="Datatxt";

ifstream fp(File_Name);

if(!fp)

{

cerr<<" Can not Open"<<File_Name<<endl;

}

getline(fp,s);

sstr << s;

sstr >> s >> Num;

sclear();

for(unsigned i=0; i<Num; i++ )

{

sstrclear();

sclear();

getline(fp,s);

sstr << s;

sstr >> TempNumber >> TempName>>TempPrice>>TempDeal_Num;

bookpush_back( Temp );

}

fpclose();

cout<<"完成系统录入"<<endl;

}

void Data_Insert( vector< Book > &book )

{

Book Temp;

int Num;

cout<<"请输入您需要录入的信息总数:\n";

cin>>Num;

for(unsigned i=0; i<Num ;i++ )

{

cout<<"正在录入第"<<i+1<<"本书目的信息:"<<endl;

cout<<"请键入书号: ";

cin>>TempNumber;

cout<<"请键入书名: ";

cin>>TempName;

cout<<"请键入价格: ";

cin>>TempPrice;

cout<<"请键入交易流水号: ";

cin>>TempDeal_Num;

bookpush_back(Temp);

}

cout<<"共计"<<Num<<"本书的信息已经被录入"<<endl;

}

void Data_Delete( vector< Book > &book )

{

int Num;

vector< Book >::iterator Sear;

cout<<"请输入您要删除的书号: ";

cin>>Num;

for(Sear=bookbegin(); Sear!=bookend(); Sear++ )

{

if( (Sear)Number==Num )

{

bookerase( Sear );

cout<<"该书号被删除"<<endl;

Num=-1;

break;

}

}

if( Num!=-1 )

{

cout<<"输入书号有误！\n";

}

}

void Data_Display( vector< Book > &book )

{

cout<<"LIST\n";

for(unsigned i=0; i<booksize() ;i++ )

{

cout<<"书号: "<<book[i]Number<<endl;

cout<<"书名: "<<book[i]Name<<endl;

cout<<"价格: "<<book[i]Price<<endl;

cout<<"交易流水号: "<<book[i]Deal_Num<<endl;

cout<<endl;

}

cout<<"END\n";

}

void Data_Output( vector< Book > &book )

{

char File_Name[10]="Datatxt";

ofstream fp(File_Name);

if(!fp)

{

cerr<<" Can not Open "<< File_Name<< endl;

}

fp<<"图书总计(本): "<<booksize()<<endl;

for(unsigned i=0; i<booksize() ;i++ )

{

fp<<book[i]Number<<book[i]Name<<book[i]Price<<book[i]Deal_Num<<endl;

}

fpclose();

cout<<"书目已被保存到本地"<<endl;

}

int main()

{

int choice;

vector< Book > book;

while( choice!=5 )

{

cout<<""<<endl;

cout<<" 0--------------->读取数据 "<<endl;

cout<<" 1--------------->增加数据 "<<endl;

cout<<" 2--------------->删除数据 "<<endl;

cout<<" 3--------------->查看数据 "<<endl;

cout<<" 4--------------->保存记录 "<<endl;

cout<<" 5--------------->退出程序 "<<endl;

cout<<""<<endl;

cout<<"请键入您的选择:\t";

cin>>choice;

switch(choice)

{

case 0:Data_Input( book );break;

case 1:Data_Insert( book );break;

case 2:Data_Delete( book );break;

case 3:Data_Display( book );break;

case 4:Data_Output( book );break;

case 5:break;

default:break;

}

}

return 0;

}

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