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(); 
}