C++图书馆管理系统源代码
/*****************************************************************************************/#include #include #include #include //输入/输出文件流类using namespace std;const int Maxr=100;//最多的读者const int Maxb=100;//最多的图书const int Maxbor=5;//每位读者最多借五本书//读者类,实现对读者的信息的描述class Reader { private:int tag; //删除标记 1:已删 0:未删int no; //读者编号char name[10]; //读者姓名int borbook[Maxbor];//所借图书 public:Reader() {} char *getname() {return name;} //获取姓名int gettag() {return tag;} //获取删除标记 int getno() {return no;} //获取读者编号 void setname(char na[]) //设置姓名{ strcpy(name,na);}void delbook(){ tag=1; }//设置删除标记 1:已删 0:未删void addreader(int n,char *na)//增加读者{ tag=0;no=n;strcpy(name,na);for(int i=0;i<Maxbor;i++)borbook[i]=0;}void borrowbook(int bookid)//借书操作{for(int i=0;i<Maxbor;i++){ if (borbook[i]==0){borbook[i]=bookid;return;}}}int retbook(int bookid)//还书操作{ for(int i=0;i<Maxbor;i++){ if(borbook[i]==bookid){borbook[i]=0;return 1;}}return 0;}void disp()//读出读者信息{ cout << setw(5) << no <<setw(10) << name<<"借书编号：[";for(int i=0;i<Maxbor;i++)if(borbook[i]!=0)cout << borbook[i] << "|";cout << "]"<<endl;}};//读者类库，实现建立读者的个人资料 class RDatabase{ private: int top; //读者记录指针 Reader read[Maxr];//读者记录public:RDatabase() //构造函数，将reader.txt读到read[]中{Reader s;top=-1;fstream file("reader.txt",ios::in);//打开一个输入文件while (1){file.read((char *)&s,sizeof(s));if (!file)break;top++;read[top]=s;}file.close(); //关闭 reader.txt} void clear()//删除所有读者信息{top=-1;}int addreader(int n,char *na)//添加读者时先查找是否存在{Reader *p=query(n);if (p==NULL){ top++; read[top].addreader(n,na); return 1;}return 0;}Reader *query(int readerid)//按编号查找{for (int i=0;i<=top;i++)if (read[i].getno()==readerid && read[i].gettag()==0){return &read[i];}return NULL;}void disp() //输出所有读者信息{ for (int i=0;i<=top;i++) read[i].disp();}void readerdata();//读者库维护~RDatabase() //析构函数，将read[]写到reader.txt文件中{fstream file("reader.txt",ios::out); for (int i=0;i<=top;i++)if (read[i].gettag()==0)file.write((char *)&read[i],sizeof(read[i]));file.close();}};void RDatabase::readerdata(){ char choice;char rname[20];int readerid;Reader *r;while (choice!='0'){ cout <<"\n\n\t\t\t读 者 维 护\n\n\n\t\t 1 新 增\n\n\t\t 2 更 改\n\n\t\t 3 删 除\n\n\t\t 4 查 找\n\n\t\t 5 显 示\n\n\t\t 6 全 删\n\n\t\t 0 退 出"<<endl;cin >> choice;switch (choice){ case '1':cout << "输入读者编号:";cin >> readerid;cout << "输入读者姓名:";cin >> rname;addreader (readerid,rname);break; case '2':cout << "输入读者编号:";cin >> readerid;r=query(readerid);if (r==NULL){cout << " 该读者不存在 "<<endl; break;}cout << "输入新的姓名:";cin >> rname;r->setname(rname); break; case '3': cout << " 输入读者编号:"; cin >> readerid;r=query(readerid);if (r==NULL){ cout <<" 该读者不存在" << endl; break;}r->delbook();break;case '4':cout << "读入读者编号:";cin >> readerid;r=query(readerid);if (r==NULL){cout <<"该读者不存在"<< endl;break;}r->disp();break;case '5':disp();break;case '6':clear();break;default:cout<<"输入错误，请从新输入：";break;}}}//图书类，实现对图书的描述，图书的编号，书名，借出，还入等class Book{private: int tag;//删除标记 1:已删 0:未删int no;//图书编号char name[20];//书名int onshelf;//是否再架 1:再架 2:已借public:Book(){}char *getname() { return name; }//获取姓名int getno(){ return no; }//获取图书编号int gettag(){ return tag; }//获取删除标记void setname(char na[])//设置书名{strcpy(name,na);}void delbook(){ tag=1;}//删除图书void addbook(int n,char *na)//增加图书{tag=0;no=n;strcpy(name,na);onshelf=1;}int borrowbook()//借书操作{if (onshelf==1){onshelf=0;return 1;}return 0;}void retbook()//还书操作{onshelf=1;}void disp()//输出图书{cout << setw(6) << no << setw(18) << name << setw(10)<<(onshelf==1? "在架":"已借") <<endl;}};//图书库类，实现对图书的维护，查找，删除等class BDatabase{private: int top; //图书记录指针Book book[Maxb]; //图书记录public:BDatabase()//构造函数，将book.txt读到book[]中{ Book b;top=-1;fstream file("book.txt",ios::in);while (1){file.read((char *)&b,sizeof(b));if (!file) break;top++;book[top]=b;}file.close();} void clear()//全删{top=-1;} int addbook(int n,char *na)//增加图书{Book *p=query(n);if (NULL==p){top++;book[top].addbook(n,na);return 1;}return 0;}Book *query(int bookid)//查找图书{for (int i=0;i<=top;i++)if (book[i].getno()==bookid &&book[i].gettag()==0){return &book[i];}return NULL;}void bookdata();//图书库维护void disp(){ for (int i=0;i<=top;i++) if (book[i].gettag()==0) book[i].disp();}~BDatabase()//析构函数，将book[]写到book.txt文件中{fstream file("book.txt",ios::out); for (int i=0;i<=top;i++)if (book[i].gettag()==0)file.write((char *)&book[i],sizeof(book[i]));file.close();}};void BDatabase::bookdata(){ char choice;char bname[40];int bookid;Book *b;while (choice!='0'){cout <<"\n\n\n\t\t\t图 书 维 护 "<<endl<<endl;cout<<"\t\t1 新 增\n \t\t2 更 改\n\t\t3 删 除\n\t\t4 查 找\n\t\t5 显 示\n\t\t6 全 删\n\t\t0 退 出"<<endl;cin >> choice;switch (choice){ case '1':cout << "输入图书编号:"<<endl;cin >> bookid; cout << "输入图书书名:"<<endl;cin >> bname;addbook(bookid,bname);break; case '2':cout << "输入图书编号:"<<endl;cin >> bookid;b=query(bookid);if (b==NULL){cout << " 该图书不存在 "<<endl; break;}cout << "输入新的书名:"<<endl;cin >> bname;b->setname(bname); break; case '3': cout <<" 读入图书编号:"<<endl; cin >> bookid;b=query(bookid);if (b==NULL){ cout <<" 该图书不存在" << endl; break;}b->delbook();break;case '4':cout << " 读入图书编号:"<<endl;cin >> bookid;b=query(bookid);if (b==NULL){cout <<" 该图书不存在"<< endl;break;}b->disp();break;case '5':disp();break;case '6':clear();break;default:cout<<"输入错误，请从新输入:";}}}//main() 函数的实现，程序的主界面的引导int main(void){ char choice;int bookid,readerid;RDatabase ReaderDB;Reader *r;BDatabase BookDB;Book *b;while(choice!='0'){ cout <<endl<<endl<<"\t\t\t 图 书 管 理 系 统\n\n\n"; cout <<"\t\t\t1 借 书\n\n\t\t\t2 还 书 \n\n\t\t\t3 图 书 维 护\n\n\t\t\t4 读 者 维 护\n\n\t\t\t0 离 开"<<endl;cin >> choice;switch (choice){case '1':cout <<" 借书 读者编号:";cin >>readerid;cout <<" 图书编号： ";cin >>bookid;r=ReaderDB.query(readerid);//按编号查找if (NULL==r){cout <<" 不存在该读者，不能借书"<< endl;break;}b=BookDB.query(bookid);if (b==NULL){cout <<" 不存在该图书，不能借书"<< endl;break;}if (b->borrowbook()==0){cout << " 该图书已借出，不能借书"<< endl;break;}r->borrowbook(b->getno());break;case '2':cout<<"还书\n 读者编号:";cin >>readerid;cout << " 图书编号:";cin >>bookid;r=ReaderDB.query(readerid);if (r==NULL){cout <<" 不存在该读者，不能还书" << endl;break;}b=BookDB.query(bookid);if (b==NULL){cout <<" 不存在该图书，不能还书" <<endl;break;}b->retbook();r->retbook(b->getno());break;case '3':BookDB.bookdata();break;case '4': ReaderDB.readerdata(); break;default:cout<<"输入错误，请从新输入：";}}return 0;}
求图书馆管理系统c++源代码
#include
#include
#include
#include
#include
#define STACK_INIT_SIZE 10
#define OK 1
#define TRUE 1
#define FALSE 0
#define ERROR 0
struct student /*定义学生类型，用于存放借出的书籍*/
{
int studentnum,phonenum;
char lendbook[10];
}student[1000];
struct book /*定义书的类型*/
{
char bookname[11];
char publisher[20];
char page;
char year[6];
char status[4];
char name[11];
char author[51];
char booknum;
char bookcreat[10];
char borrownum;
char turefalse; /*用于借书和还书模块判断一本书是否借出的条件*/
}book[1000];
struct car /*借书卡的数据类型*/
{
int carnum;
char studentname[10];
int studentclass;
int studentphone;
}car[100];
addcar()
{
FILE *fp;
int i=0;
double allnum,stillbook,outbook,allmoney,avemoney;
fp=fopen("car.txt","a+");
printf("请你输入学生姓名\n");
scanf("%s",car[i].studentname);
printf("请你输入班级\n");
scanf("%d",&car[i].studentclass);
fwrite(&car[i],sizeof(struct car),1,fp);
fclose(fp);
printf("注册完毕，任意键返回\n");
fp=fopen("book.txt","r");
avemoney=allmoney/allnum;
fclose(fp);
printf("书籍总数：%ld，已借出的书籍：%ld，在馆的书籍：%ld，书籍贯总金额：%ld,书籍平均价格：%ld",
stillbook,outbook,allmoney,avemoney);
getch();
}
carcount()
{
FILE *fp;
int i,n=0;
fp=fopen("car.txt","r");
for(i=0;fread(&car[i],sizeof(struct car),1,fp)!=0;i++)
{
printf("第%d张卡\n",
i+1,car[i].carnum,car[i].studentname,car[i].studentclass,car[i].studentphone);
n=n+1;
}
fclose(fp);
printf("目前共有%d本书\n",n);
printf("按任意键\n");
getch();
}
void findbook()
{
FILE *fp;
char bookname[10];
int ture,i,booknum;
fp=fopen("book.txt","r");
printf("请输入你要查找的booknum");
scanf("%d",&booknum);
for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++)
{
if(strcmp(booknum,book[i].booknum)==0)
{
if(book[i].turefalse==1)
printf("这本书的详细资料是：%d %s %s 此书现在无人借阅\n按任意键返回\n",book[i].booknum,book[i].bookname,book[i].bookcreat);
else {printf("这本书已经有人借出\n");fclose(fp);return 0;}
fclose(fp);
return FALSE;
}
else
printf("没有你要查询的书籍\n");
fclose(fp);}
return FALSE;
}
void borrowbook(struct book *m) //借阅图书函数
{
int num;
struct book *b, *b1;
printf("输入要借书的编码:");
scanf("%d",&num);
b = searchbook(num); /*调用查找图书结点函数*/
if(b != NULL)
{
if(m->borrownum < 10)
{
// b->status = '0';
// b1 = &m->book[m->borrownum];
strcpy(b1->name,b->name);
strcpy(b1->author,b->author);
b1->booknum = b->booknum;
strcpy(b1->year,b->year);
b1->page = b->page;
strcpy(b1->publisher,b->publisher);
// b1->price = b->price;
// b1->status = b->status;
m->borrownum++;
printf("%s借书成功!",b->name);
getch();
}
else
{
printf("你已借满10本书.");
getch();
}
}
else
{
printf("没有你要借的书.");
getch();
}
}
huanbook() /*还书函数*/
{
FILE *fp,*fp2; /*定义两个文件指针，fp2用于修改数据时设立临时文件用，防止数据遭破坏*/
int i,n;
int carnum,booknum;
char lendbook[10];
printf("请你输入你的卡号\n");
scanf("%d",&carnum);
fp=fopen("car.txt","r"); /*读取卡号记录*/
{
if(car[i].carnum==carnum) /*卡号存在，进入下一循环*/
{
n=i;
fclose(fp);
printf("请输入你要还的书的booknum\n");
scanf("%d",&booknum);
fp=fopen("record.txt","r");
for(i=0;fread(&student[i],sizeof(struct student),1,fp)!=0;i++) /*判断是否借阅了输入的书*/
{
if(strcmp(student[i].lendbook,lendbook)==0) /*借阅了该书，进入下一循环，否则出错显示*/
{
fclose(fp);
fp=fopen("record.txt","r");
fp2=fopen("bookl.txt","w");
for(i=0;fread(&student[i],sizeof(struct student),1,fp)!=0;i++)
{
if(strcmp(student[i].lendbook,lendbook)==0)
{
continue; /*删除还掉的书的借书记录*/
}
fwrite(&student[i],sizeof(struct student),1,fp2); /*写入原来没还的书的记录*/
}
fclose(fp);
fclose(fp2);
fp=fopen("record.txt","w");
fp2=fopen("bookl.txt","r");
for(i=0;fread(&student[i],sizeof(struct student),1,fp2)!=0;i++)
{
fwrite(&student[i],sizeof(struct student),1,fp); /*将借书记录信息写回*/
}
fclose(fp);
fclose(fp2);
fopen("bookl.txt","w"); /*清临时文件的记录*/
fclose(fp2);
fp=fopen("book.txt","r");
fp2=fopen("bookl.txt","w");
for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++) /*将书的记录写入临时文件，防止因为修改信息破坏以前的记录*/
{
if(i==n)
{
book[i].turefalse=1;
fwrite(&book[i],sizeof(struct book),1,fp2); /*将还的书的原来状态设为无人借阅的*/
continue;
}
fwrite(&book[i],sizeof(struct book),1,fp2);
}
fclose(fp);
fclose(fp2);
fp=fopen("book.txt","w");
fp2=fopen("bookl.txt","r");
for(i=0;fread(&book[i],sizeof(struct book),1,fp2)!=0;i++)
{
fwrite(&book[i],sizeof(struct book),1,fp); /*将临时文件写回*/
}
fclose(fp);
fclose(fp2);
fopen("bookl.txt","w"); /*清临时文件*/
fclose(fp2);
printf("还书完毕，按任意键返回\n");
getch();
return 1;
}
else
printf("你没有借这样的书，任意键返回\n");}/*出错提示*/
fclose(fp);
getch();
return 0;
}
else
printf("系统没这样的卡，和管理员联系,按任意键返回\n");}/*出错提示*/
fclose(fp);
getch();
}
void main()
{
struct book *m;
char ch5;
do
{
printf("---------------欢迎进入图书查询系统！--------------\n");
printf(" 1：\n");
printf(" 2: \n");
printf(" 3：\n");
printf(" 4: \n");
printf(" 5: \n");
printf(" 0：\n");
printf("请输入0--5,其他输入非法！\n");
scanf("%s",&ch5);
switch(ch5)
{
case '1':addcar();getch();
case '2':carcount();getch();break;
case '3':findbook();getch();break;
case '4':borrowbook(m );getch();break;
case '5':huanbook();getch();break;
case '0':break;
default:printf("无此操作\n");getch();break;
}
}while(ch5!='0');
//return FALSE;
}
