求C语言编写图书管理系统
c\u8bed\u8a00\u7f16\u5199\u56fe\u4e66\u7ba1\u7406\u7cfb\u7edf#include "stdio.h"
#include
#include "conio.h"
#include
#include
void main()
{void adm1(),adm2(),build(),huan(),borrow(),dele();
adm1();
}
void adm1()
{ FILE *fp,*p ;
char adp[20],password[20];
int i,n=0;
textbackground(2);
clrscr();
gotoxy(25,12);
fp=fopen("pass","r");
if(fp==NULL) { printf("no exit ");getch();exit(0);}
printf("input password:");
for(;;)
{
window(42,12,53,12);
textbackground(0);
clrscr();
gets(adp);
for(i=0;adp[i]!='\0';i++);
fgets(password,i+1,fp);
gotoxy(55,12);
if(strcmp(password,adp)==0) { window(55,12,70,12);clrscr();cprintf("YES");getch();adm2();getch();exit(0);}
else{ n++;
window(55,12,60,12);clrscr();gotoxy(55,12);cprintf("error");
for(i=0;i<30;i++) delay(8000);
if(n==2) { window(55,12,70,12);clrscr();gotoxy(55,12);cprintf("once again");for(i=0;i<=30;i++) delay(8000);}
if(n==3) { window(55,12,70,12);clrscr();gotoxy(55,12);cprintf("3 second out");for(i=0;i<=30;i++) { delay(8000);}
exit(0);
}
}
fclose(fp);clrscr();
}
}
void adm2()
{ char a;
window(1,1,80,25);
clrscr();
for(;;)
{ clrscr();
gotoxy(30,8);printf("built a new user (B)");
gotoxy(30,10);printf("return book (R)");
gotoxy(30,12);printf("borrow books (J)");
gotoxy(30,14);printf("delete user (D)");
a=getch();
if(a=='b') build();
if(a=='r') huan();
if(a=='j') borrow();
if(a=='d') dele();
else continue;
}
}
void build()
{ FILE *f,*p;
char id[20],name[20],sex[2],age[3],grad[50];
window(1,1,80,25);
clrscr();
printf("ID number:");
scanf("%s",id);
printf("name:");
scanf("%s",name);
printf("sex:");
scanf("%s",sex);
printf("grad:");
scanf("%s",grad);
p=fopen(id,"w+");
if(p==NULL) { printf("can't build that user");getch();adm2();}
fprintf(p,"%s ",name);
fprintf(p,"%s ",id);
fprintf(p,"%s ",sex);
fprintf(p,"%s ",grad);
printf("bulid success");
getch();
fclose(p);
}
void huan()
{
FILE *fp,*p,*f;
char id[20],a[5][50],name[20],c;
int i=0,m,k; clrscr();
printf("input ID number:");
scanf("%s",id);
p=fopen(id,"r");
if(p==NULL) { printf("error");getch();fclose(p);exit(0);}
fscanf(p,"%s",name);
fclose(p);
fp=fopen(name,"r");
do{ fscanf(fp,"%s",a[i++]); }while(!feof(fp));
for(k=0;k<i-1;k++) printf("\nbook %d: %s",k+1,a[k]);
fclose(fp);
f=fopen(name,"w+");
for(;;)
{
printf("\n\npress the book number that you want to return. \n\nPress 6 if you want to return all. \n\npress 7 to cancle.\n");
scanf("%d",&m);
if(m==7) { for(k=0;k<i-1;k++)
{
fprintf(f,"%s\n",a[k]);
}
fclose(f);
adm2();
}
if(m==6) remove(name);
if(m<6)
for(k=0;k<i-1;k++)
{ if(k!=m-1)
fprintf(f,"%s\n",a[k]);
}
printf("book %d has returned.",m);
printf("\ncontinue? (Y/N)");
c=getch();
if(c=='y') continue;
if(c=='n') { fclose(f);adm2(); }
}
}
void borrow()
{ FILE *f,*m,*p;
char id[20],book[5][50],name[20],c;
int i=0,n=0,k;
window(1,1,80,25);clrscr();
printf("please input the user's ID:");
scanf("%s",id);
m=fopen(id,"r");
if(m==NULL) { printf("user no exit"); getch();fclose(m);adm2();}
fscanf(m,"%s",name);
fclose(m);
p=fopen(name,"r");
if(p==NULL);
else
{ while(!feof(p))
{
fscanf(p,"%s",book[i]);
i++;
}
i--;
for(k=0;k<i;k++) printf("\nbook %d :%s",k+1,book[k]);
}
fclose(p);
f=fopen(name,"w");
printf("\nhow many book do you want to borrow?:");
do{printf("\ninput:");scanf("%d",&n); }while(i+n>=6);
for(k=i;k<i+n;k++)
{ printf("\nbook %d :",k+1);
scanf("%s",book[k]);
}
for(k=0;k<i+n;k++) fprintf(f,"%s\n",book[k]);
fputc('\0',f);
printf("success");
fclose(f);
}
void dele()
{ FILE *fp,*f;
char id[20],a[4][20],c,b[5][50];
int i=0,j=0,k;
window(1,1,80,25);clrscr();
printf("Input ID number:");
scanf("%s",id);
fp=fopen(id,"r");
if(fp==NULL) { printf("\nuser isn't exit");getch(); fclose(fp);adm2();}
else while(!feof(fp))
{ fscanf(fp,"%s",a[i++]);}
printf("\nname: %s",a[0]);
printf("\nID: %s",a[1]);
printf("\nsex: %s",a[2]);
printf("\ngrad: %s",a[3]);
f=fopen(a[0],"r");
if(f==NULL);
else {
while(!feof(f))
{ fscanf(f,"%s",b[j++]);}
for(k=0;k<j-1;k++) printf("\nbook %d: %s",k+1,b[k]);
}
printf("\nDo you want to delete? (Y/N): ");
c=getch();
fclose(fp);
fclose(f);
if(c=='y') { remove(id);remove(a[0]);printf("\nsuccess");getch();adm2();}
if(c=='n') adm2();
}
\u52a0qq 543301928 \u6211\u6709\u505a\u8fc7 \u7ed9\u4f60\u5427
#include<iostream>#include<iomanip>
#include<string>
#include<fstream>
#include<stdio.h>
using namespace std;
const int Maxb=10000; //最多的图书
class Book//图书类
{
int tag; //删除标记1:已删0:未删
int number; //ISBN书号
char name[20]; //书名
char author[10]; //主编
char number2[10];//版次
char position[20];//出版社
char time[20];//出版年
int price;//定价
int onshelf; //是否在架1:在架0:已借
public:
Book() {}
char *getname() { return name; } //获取姓名
int getnumber() { return number; } //获取ISBN书号
int gettag() { return tag; } //获取删除标记
char *getauthor() {return author;} //获取主编
char *getnumber2() {return number2;} //获取版次
char *getposition() {return position;} //获取出版社
char *gettime() {return time;} //获取出版年
char getprice() {return price;} //获取图书定价void delbook() { tag=1; } //删除图书
void addbook(int n,char *na,char *au,char *n2,char *da,char *ti,int pr) //增加图书
{
tag=0;
number=n;
price=pr;
strcpy(name,na);
strcpy(author,au);
strcpy(number2,n2);
strcpy(position,da);
strcpy(time,ti);
onshelf=1;
} void disp() //输出图书
{
cout << setw(10) << number << setw(10) << name << setw(10)
<< setw(10)<<author<<setw(10)<<number2<<setw(10)<<position<<setw(10)<<time<<setw(10)<<price<<endl;
}
}; class BDatabase //图书库类
{
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,char *au, char *n2, char *da,char *ti,int pr) //增加图书
{
Book *p=search1(n);
if (p==NULL)
{
top++;
book[top].addbook(n,na,au,n2,da,ti,pr);
return 1;
}
return 0;
}
Book *search1(int bookid) //查找图书
{
for (int i=0;i<=top;i++)
if (book[i].getnumber()==bookid &&
book[i].gettag()==0)
return &book[i];
return NULL;
} Book *search2(int bookid,char *name) //按书名查找图书
{
for(int i=0;i<=top;i++)
if(strcmp(book[i].getname(),name)==0)
{bookid=book[i].getnumber();<br> return &book[i];<br> }
return NULL;
} Book *search3(int bookid,char *author) //按主编查找图书
{
for(int i=0;i<=top;i++)
if(strcmp(book[i].getauthor(),author)==0)
{bookid=book[i].getnumber();<br> return &book[i];<br> }
return NULL;
} void bookdata(); //图书库维护
void disp()
{
cout<<setw(10)<<"图书书号"<<setw(10)<<"图书名字"<<setw(10)<<"图书主编"<<setw(10)<<"版次"<<setw(10)<<"出版社"<<setw(10)<<"出版年"<<setw(10)<<"价格"<<endl<<endl<<endl<<endl;
for (int i=0;i<=top;i++)
if (book[i].gettag()==0)
book[i].disp();
}
~BDatabase() //析构函数,将book[]写入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()
{
int choice=1;
int choice2=1;
int choice3=1;
int choice4;
char bname[40];
char editor[40];
char banci[40];
char position[40];
char year[40];
int value;
int bookid;
Book *b;
while (choice!=0)
{
cout<<endl<<endl;
cout<<" **************************** "<<endl;
cout<<" **** 1添加图书 **** "<<endl;
cout<<" **** 3 删除图书 **** "<<endl;
cout<<" **** 4 图书查询 **** "<<endl;
cout<<" **** 5 显示图书 **** "<<endl;
cout<<" **** 6 全部删除 **** "<<endl;
cout<<" **** 7 借书 **** "<<endl;
cout<<" **** 8 还书 **** "<<endl;
cout<<" **** 0 退出 **** "<<endl;
cout<<" ****************************"<<endl<<endl;
cout<<endl<<"请按键选择您需要的操作:";
cin>>choice;
while(choice!=1&&choice!=2&&choice!=3&&choice!=4&&choice!=5&&choice!=6&&choice!=0){
cout<<endl<<" ** 您输入的编号在菜单里不存在，请重新输入 **"<<'\a'<<endl<<endl;
cout<<" 请选择您需要的操作:";
cin>>choice;
}
switch (choice)
{
case 1:
cout <<"输入ISBN书号（一定为数字否则会异常）:";
cin >> bookid;
cout <<"输入书名:";
cin >> bname;
cout <<"输入主编:";
cin >>editor;
cout <<"输入版次（一定为数字否则会异常）:";
cin>>banci;
cout<<"输入出版社:";
cin>>position;
cout<<"输入出版年（一定为数字否则会异常）:";
cin>>year;
cout<<"输入价格（一定为数字否则会异常）:";
cin>>value;
addbook(bookid,bname,editor,banci,position,year,value);
cout<<"ISBN书号"<<bookid<<"添加成功,如需返回主菜单请按1,退出系统请按0（一定要输入数字）";
cin>>choice4;
while (choice4!=0&&choice4!=1)
{
cout<<"输入错误请重新输入"<<endl;
cin>>choice4;}
switch (choice4)
{
case 1:
choice=1;
break;
case 0:
choice=0;
break;}break;
case 3:
cout << " 输入ISBN书号:";
cin >> bookid;
b=search1(bookid);
if (b==NULL)
{
cout << " 该图书不存在" << endl;
break;
}
b->delbook();
break;
case 4:
cout<<"查找方式:"<<endl<<"1按ISBN书号查询 2按书名查询 3按主编查询 0退出:";
cin>>choice3;
switch(choice3)
{
case 1:
{cout << " 输入ISBN书号:"; //按ISBN书号查询<br>cin >> bookid; <br>b=search1(bookid); <br>if (b==NULL) <br>{ <br>cout << " 该图书不存在" << endl; <br>break; <br>}
b->disp();
}
break;
case 2:
{
cout<<"请输入书名:";
cin>>bname;
b=search2(bookid,bname);
if(b==NULL)
{
cout<<"该图书不存在啊！"<<endl;
break;
}
b->disp();
}
break;
case 3:
{
cout<<"请输入主编:";
cin>>editor;
b=search3(bookid,editor);
if(b==NULL)
{
cout<<"该主编不存在!"<<endl;
break;
}
b->disp();
}
break;
}
break;
case 5:
disp();
break;
case 6:
clear();
break;
} }
cout<<endl<<" ****** 慢走 ******"<<endl<<endl<<endl;
};
int main()
{
BDatabase BookDB;
cout<<endl<<endl<<endl;
cout<<" Welcome to the library of SCU "<<endl;
cout<<" 欢 迎 来 到 四 川 大 学 图 书 馆 "<<endl;
cout<<endl<<endl<<"请输入0进入图书馆"<<endl;
int w;
cin>>w;
if(w==0)
BookDB.bookdata();
system("pause");
return 0;
}
这么大个系统就15分，不说别的了，做出来的话，至少500+以上的金钱，我只能提供你函数
额，杂说呢，你还没写呀
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