C语言图书管理系统简洁版

#include "iostream" 
#include "string" 
#include "fstream" 
#include "conio.h"   //getch(); 
#include "algorithm"  //sort(); 
using namespace std; 
 
#define Max_BookNum 10240   //最大存书数目 
#define Max_MemberNum 10240   //最大会员数目 
 
typedef enum{//图书借阅状态 
 Borrowed=1,    //已被借阅 
 available=0    //当前可借 
}Book_Status; 
 
typedef struct{//图书信息 
 char name[20];   //书名 
 char author[20];  //作者 
 string isbn;   //图书编号 
 string price;   //价格 
 string pub;    //出版社 
 string pubtime;   //出版时间 
 string addtime;   //收录日期 
 string Class;   //分类号 
 Book_Status Book_sta; //借阅状态,初始化为可借 
}Book_Message; 
 
typedef struct{//借阅人信息 
 string name;  //姓名 
 string sex;    //性别 
 string number;   //学号 
 char login[20];   //登录号 以A1001开始 
 char code[20];   //登录密码 
 Book_Message Borrow_Book[10];  //最大可借书本数目：10本 
 int BorBook_Cnt;  //借书数量 
}Member_Message; 
 
 
void Show_WelMenu(); //Welcome菜单 
void Book_InfoInput(); //图书信息录入 
void Book_InfoShow(Book_Message *Book_Info); //输出图书信息 
void Book_Search();  //搜索书本  0，按书名；1，按作者 
void Book_Delete();  //删除图书信息 
void Book_InfoChange(); //修改图书信息 
void Book_Sort();  //图书排序 
void Book_RecordSave(); //图书信息保存  
int Book_RecordLoad(); //读档 
 
 
void Admin_Login();   //管理员登录 
void Member_WelMenu();  //会员菜单界面 
void Book_WelMenu();  //管理员菜单界面 
 
void Member_Login();  //会员登录 
void Member_Reg();  //会员注册 
void Member_Bor();  //借书手续 
void Member_Ret();  //还书 
void Member_Search(); //会员资料查询 0，按姓名；1，按学号 
void Member_Delete(); //会员资料注销 
void Member_RecordSave();//会员信息保存 
int Member_RecordLoad();//会员信息读档 
void Member_InfoChange(); 
 
 
//void Member_BookMsgSave(); 
//int Member_BookMsgLoad(); 
void Member_MsgShow(Member_Message *Member_Msg);//信息显示 
void Member_CodeAdjust();//会员修改密码 

#include "global.h" 
int Book_Record=0;     
int Member_Record=0; 
Book_Message Book_List[Max_BookNum];   //图书登记表 
Member_Message Member_List[Max_MemberNum];  //会员登记表 
 
int main() 
{ 
 char key[2]; 
 while(1){ 
  Show_WelMenu(); 
  int cmd; 
  cin>>cmd; 
  if(!cmd) 
   Admin_Login();   //进入管理员登录界面 
  else 
   Member_Login();   //进入会员登录界面 
  
  cout<<"\t\t\t\t是否退出图书管理系统?\ty/n\n"; 
  cin>>key; 
  if(strcmp(key,"y")==0) 
   break; 
 } 
 cout<<"系统即将退出"<<endl; 
 getch(); 
 return 0; 
} 

void Show_WelMenu() 
{ 
 system("cls"); 
 cout<<"\t\t\t\t欢迎使用图书管理系统"<<endl<<endl; 
 cout<<"\t\t\t\t0：管理员登录"<<endl; 
 cout<<"\t\t\t\t1：会员登录"<<endl; 
} 

void Admin_Login() 
{ 
 short count=0; 
 char code[20]; 
 char Init_Code[10]="0"; 
 cout<<"请输入管理员密码："<<endl; 
 while(1){ 
  cin>>code; 
  if(strcmp(code,Init_Code)==0){ 
   break; 
  } 
  else{ 
   cout<<"密码错误请重新输入"<<endl; 
   count++; 
   if(count>3){ 
    cout<<"密码错误超过三次，程序即将退出"<<endl; 
    break; 
   } 
  } 
 } 
 Book_WelMenu();   //enter Admin Menu 
} 

void Member_Login() 
{  
 Book_Record = 0; 
 Member_Record = 0; 
 Book_Record = Book_RecordLoad(); 
 Member_Record = Member_RecordLoad();  //从文件读入当前注册表 
 char code[20],login[20],Req[2]; 
 bool Login_Sta = false; 
 while(1){ //登录程序，登录成功后退出 
  if(Login_Sta) break; 
  if((Member_Record==0)){ 
   cout << "\t\t\t\t用户库为空，请先注册" << endl; 
   cout << "\t\t\t\t按任意键注册"; 
   getch(); 
   system("cls"); 
   Member_Reg();  
  } 
  else{ 
   cout << "\t\t\t\t请输入会员登录号：" << endl; 
   cin>>login; 
   for(Mem_Point=0; Mem_Point<Member_Record; Mem_Point++){ 
    if((strcmp(login,Member_List[Mem_Point].login) == 0)){ 
     cout << "\t\t\t\t请输入密码：" << endl; 
     cin >> code; 
     while(strcmp(code, Member_List[Mem_Point].code) != 0){ 
       cout << "密码错误,请重新输入" << endl; 
       cin >> code; 
     } 
     Login_Sta = true; 
     cout << "\t\t\t\t登录成功,按任意键继续"; 
     break; 
    } 
   } 
   if(Mem_Point >= Member_Record){ 
    cout << "\t\t\t该用户未注册，不能使用图书管理系统" << endl; 
    cout << "\t\t\t\t是否现在注册（Y/N）" << endl; 
    cin >> Req; 
    if((strcmp(Req,"y") == 0) || (strcmp(Req,"Y") == 0)) 
     Member_Reg(); 
   } 
  } 
 } 
 getch(); 
 system("cls"); 
 Member_WelMenu(); 
 getch(); 
} 

/*导出会员注册表到文件*/ 
void Member_RecordSave()  
{ 
 ofstream outfile; 
 outfile.open("E:\\Course\\002\\Member_Info.txt",ios::ate|ios::out); //若有文件，先清空，再写入 
 for(int i=0;i<Member_Record;i++){ 
  outfile << Member_List[i].name <<" " << Member_List[i].sex <<" " << Member_List[i].number <<" " 
    << Member_List[i].login <<" " << Member_List[i].code << endl; 
 } 
 outfile.close(); 
} 
 
/*从文件导入会员注册表*/ 
int Member_RecordLoad() 
{ 
 int Member_FileLoad=0; 
 ifstream infile; 
 infile.open("E:\\Course\\002\\Member_Info.txt",ios::in); 
 string n,s,num; 
 char l[20],c[20]; 
 while(1){ 
  infile >> n >> s >> num >> l >> c;  //从文件导入信息，并注册会员信息 
  Member_Add(n,s,num,l,c); 
  if(infile.eof() != 0)break; 
  Member_FileLoad++; 
 } 
 infile.close(); 
 return Member_FileLoad; 
} 

//内部函数 
void Member_Add(string n,string s,string num,char* l,char* c) 
{ 
 Member_List[Member_Record].name  = n; 
 Member_List[Member_Record].sex  =s; 
 Member_List[Member_Record].number =num; 
 strcpy(Member_List[Member_Record].login,(const char*)l); 
 strcpy(Member_List[Member_Record].code,(const char*)c); 
 Member_Record++; 
} 
 
/*会员注册程序*/ 
void Member_Reg() 
{  
 string n,s,num; 
 char l[20],c[20],choice[2]; 
 cout << "\t\t\t\t会员注册" << endl; 
 cout << "\t\t请以此输入 姓名、性别、学号、登录号、密码" << endl; 
 cin >> n >> s >> num >> l >> c; 
 for(int i=0; i<Member_Record; i++){ 
  if(strcmp(Member_List[i].login,l) == 0){ 
   cout << "\t\t\t\t该登录号已存在，注册失败" << endl; 
   getch(); 
   system("cls"); 
   return; 
  } 
 } 
 Member_Add(n,s,num,l,c); 
 cout << "\t\t\t\t注册成功" << endl; 
 cout << "\t\t\t\t是否存入文件\ty/n?" << endl;; 
 cin >> choice; 
 if((strcmp(choice,"y")==0) || (strcmp(choice,"Y") == 0)) 
  Member_RecordSave(); 
 getch(); 
 system("cls");  //clear screan 
} 

/*会员资料注销*/ 
void Member_Delete() 
{ 
 bool key=false; 
 char Del_Name[20],cmd[2]; 
 cout<<"请输入要注销的会员登录号"<<endl; 
 cin>>Del_Name; 
 for(int i=0;i<Member_Record;i++){ 
  if(strcmp(Member_List[i].login,Del_Name)==0){ //found 
   key=true; 
   Member_MsgShow(&Member_List[i]); 
   cout<<"是否需要删除该会员,y/n?"<<endl; 
   cin>>cmd; 
   if((strcmp(cmd,"y")==0)||(strcmp(cmd,"Y")==0)){ //ensure delete 
    while(i<=Member_Record-1){ 
     Member_List[i]=Member_List[i+1]; 
     i++; 
    } 
    Member_Record--; 
    Member_RecordSave(); 
    cout<<"会员 "<<Del_Name<<" 已注销"<<endl; 
    break; 
   }  
  } 
 } 
 if(!key) cout<<"没有找到该会员"<<endl; 
} 
 
void Member_CodeAdjust() 
{  
 char TempCode[20],choice[2],Temp[20]; 
 strcpy(Temp,Member_List[Mem_Point].code); 
 while(1){ 
  cout<<"请输入原来的密码："; 
  cin>>TempCode; 
  if(strcmp(Temp,TempCode)==0){ 
   cout<<"请输入新的密码："; 
   cin>>TempCode; 
   cout<<"请再次输入新的密码："; 
   strcpy(Member_List[Mem_Point].code,TempCode); 
   cin>>TempCode; 
   if(strcmp(Member_List[Mem_Point].code,TempCode)==0){ 
    cout<<"\t\t\t\t修改密码成功，新密码为"<<Member_List[Mem_Point].code<<endl;    //test 
    Member_RecordSave(); 
    break; 
   } 
   else{ 
    cout<<"两次输入的密码不一致，修改失败！"<<endl; 
    cout<<"\t\t\t\t输入Y继续，输入N放弃修改"<<endl; 
    cin>>choice; 
    if((strcmp(choice,"n")==0)||(strcmp(choice,"N")==0)) 
     return ; 
    continue; 
   } 
  } 
  cout<<"密码错误，请按任意键重新输入！"<<endl; 
  getch(); 
 }  
} 

/* 内部函数，供图书排序功能调用*/ 
bool cmp( Book_Message a, Book_Message b ){ 
 if(strcmp( a.author, b.author ) == 0) 
  return strcmp( a.name, b.name ) < 0; 
 return strcmp( a.author , b.author ) < 0; 
} 
/* 
* @brief 图书排序，根据作者姓名升序排序，若作者相同，则按书名升序排序 
* @param None 
* @retval None 
*/ 
void Book_Sort() 
{ 
 sort( Book_List, Book_List+Book_Record, cmp ); 
 cout << "排序已完成" << endl; 
 cout << "所有图书信息如下" << endl; 
 cout << "书名\t作者\t价格\t出版社\t出版时间\t分类号 编号 收录日期 是否可借" << endl; 
 for(int i=0; i<Book_Record; i++){ 
  Book_InfoShow( &Book_List[i] ); 
 } 
 getch(); 
}