#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#define MAX 100
///全局变量
static char glzhanghao[MAX]={“aaaaaa”};///管理员账户唯一
static char glmima[MAX]={“k666666”};
///图书结构体///
typedef struct book
{
char shuming[MAX]; //书名定义char shuhao[MAX];//书号定义char zuozhe[MAX];//作者int shuliang;//书的数量char fenlei[MAX];//书的分类char chubanshe[MAX];//书的出版社定义char banci[MAX];//版次double jiage;//价格struct book *next;///下一本书
}Book;//图书结构体
Book * book_head;///图书的头指针
int book_sum;///图书的总数\
//用户结构体
typedef struct user
{
int xuhao1;///用户的序号，用于确定用户
char name[MAX]; //用户姓名定义
char user_zhanghao[MAX];//账号定义
char user_mima[MAX];//账号密码
int zhengjianhao;///证件号
char jieyue[MAX];///用户正在借阅的图书int n;///用户正在借阅的数量struct user *next;///下一个用户
}User;//用户结构体
User * user_head;///用户的头指针
int user_sum;///用户的总数
/
void save() //保存数据到文件
{
FILE* fp = fopen(“user.txt”, “wb”);///定义一个指向文件的指针fp，并以只写的方式打开文件
User* t = user_head->next;
while (t)
{
fwrite(t, sizeof(User), 1, fp);
t = t->next;
}
fclose(fp);
FILE *fp1 = fopen("book.txt", "wb");///定义一个指向文件的指针fp，并以只写的方式打开文件Book* s = book_head->next;while (s){fwrite(s, sizeof(Book), 1, fp1);///将所有数据输出到fp指向磁盘文件中s = s->next;}fclose(fp1);
}
//创建链表//
void creatbooklist(char *shuming,char *shuhao,char *zuozhe,int shuliang,double jiage,char *fenlei,char *chubanshe,char *banci)///创建图书链表
{
Bookp1=(Book)malloc(sizeof(Book));///
p1=book_head;///将头指针赋给p1
while(p1->next)///当p1的next为真时
p1=p1->next;///p1始终指向尾结点
Book *p2=(Book*)malloc(sizeof(Book));strcpy(p2->shuming ,shuming);strcpy(p2->shuhao ,shuhao);strcpy(p2->zuozhe ,zuozhe);p2->shuliang =shuliang;p2->jiage =jiage;strcpy(p2->fenlei ,fenlei);strcpy(p2->chubanshe ,chubanshe);strcpy(p2->banci ,banci);p2->next=NULL;p1->next=p2;save();
}
void creatuserlist(char *name,char *user_zhanghao,char *user_mima,int zhengjianhao,char *jieyue)///创建用户信息链表
{
Userp1=(User)malloc(sizeof(User));///
p1=user_head;///将头指针赋给p1
while(p1->next)///当p1的next为真时
p1=p1->next;///p1始终指向尾结点
User *p2=(User*)malloc(sizeof(User));strcpy(p2->name,name);strcpy(p2->user_zhanghao ,user_zhanghao);strcpy(p2->user_mima ,user_mima);p2->zhengjianhao =zhengjianhao;strcpy(p2->jieyue ,jieyue);p2->next=NULL;p1->next=p2;save();
}
图书管理部分//
void addbook()///添加图书
{
char shuming[MAX]; //书名定义
char shuhao[MAX];//书号定义
char zuozhe[MAX];//作者
int shuliang;//书的数量
double jiage;
char fenlei[MAX];//书的分类
char chubanshe[MAX];//书的出版社定义
char banci[MAX];//版次
printf(“请输入要添加图书的书名、书号、作者、数量、类别\n”);
printf("书名：");scanf("%s",shuming);printf("书号：");scanf("%s",shuhao);Book *b=(Book*)malloc(sizeof(Book));b=book_head;while(b){if(strcmp(b->shuhao,shuhao)==0) {printf("该书号已存在，请重新输入！");addbook();}b=b->next;}printf("作者：");scanf("%s",zuozhe);printf("书的数量：");scanf("%d",&shuliang );if(shuliang<=0) {printf("数量输入有问题！请重新输入数量！\n");addbook();}printf("书的价格：");scanf("%lf",&jiage );if(jiage<=0) {printf("价格输入有问题！请重新输入价格！\n");addbook();}printf("书的分类：");scanf("%s",fenlei);printf("书的出版社：");scanf("%s",chubanshe);printf("书的版次：");scanf("%s",banci);++book_sum;creatbooklist(shuming,shuhao,zuozhe,shuliang,jiage,fenlei,chubanshe,banci);printf("添加书籍%s成功！\n",shuming);system("pause");system("cls");
}
void outbook()///输出全部图书信息
{
int xuhao=1;
if(!book_sum)
{
printf(“本系统内暂无图书，请联系管理员添加图书！\n”);
return ;
}
Bookb=(Book)malloc(sizeof(Book));
b=book_head->next;
printf(“全部图书信息如下所示：\n”);
printf(“序号 书名 书号 作者 数量 价格 分类 出版社 版次\n”);
while(b)
{
printf("%-9d",xuhao);
printf("%-16s",b->shuming );
printf("%-9s",b->shuhao);
printf("%-9s",b->zuozhe);
printf("%-9d",b->shuliang);
printf("%-9.2lf",b->jiage);
printf("%-9s",b->fenlei);
printf("%-15s",b->chubanshe);
printf("%-9s\n",b->banci);
b=b->next;
++xuhao;
}
}
/查找方式///
void zuozhe()/按作者查找
{
int xuhao=1;
int t=0;
char zuozhe[MAX];
Bookb=(Book)malloc(sizeof(Book));
b=book_head->next;
printf(“请输入需要查找的作者的图书：”);
scanf("%s",zuozhe);
printf(“该作者的图书信息如下所示：\n”);
printf(“序号 书名 书号 作者 数量 价格 分类 出版社 版次\n”);
while(b)
{
if(strcmp(b->zuozhe,zuozhe)==0)
{
printf("%-9d",xuhao);
printf("%-16s",b->shuming );
printf("%-9s",b->shuhao);
printf("%-9s",b->zuozhe);
printf("%-9d",b->shuliang);
printf("%-9.2lf",b->jiage);
printf("%-9s",b->fenlei);
printf("%-15s",b->chubanshe);
printf("%-9s\n",b->banci);
t=1;
}
b=b->next;
++xuhao;
}
if(t==0)printf("本系统内暂无该作者的图书的信息！！！");system("pause");system("cls");
}
void fenlei()按分类查找
{
int xuhao=1;
int t=0;
char fenlei[MAX];
Bookb=(Book)malloc(sizeof(Book));
b=book_head->next;
printf(“请输入需要查找的分类的图书：”);
scanf("%s",fenlei);
printf(" 该分类的图书信息如下所示：\n");
printf(“序号 书名 书号 作者 数量 价格 分类 出版社 版次\n”);
while(b)
{
if(strcmp(b->fenlei,fenlei)==0)
{
printf("%-9d",xuhao);
printf("%-16s",b->shuming );
printf("%-9s",b->shuhao);
printf("%-9s",b->zuozhe);
printf("%-9d",b->shuliang);
printf("%-9.2lf",b->jiage);
printf("%-9s",b->fenlei);
printf("%-15s",b->chubanshe);
printf("%-9s\n",b->banci);
t=1;
}b=b->next;++xuhao;}if(t==0)printf("本系统内暂无该分类的图书的信息！！！");system("pause");system("cls");
}
void shuming()/按书名查找
{
int xuhao=1;
int t=0;
char shuming[MAX];
Bookb=(Book)malloc(sizeof(Book));
b=book_head->next;
printf(“请输入需要查找的书名：”);
scanf("%s",shuming);
printf(“序号 书名 书号 作者 数量 价格 分类 出版社 版次\n”);
while(b){if(strcmp(b->shuming,shuming)==0){printf("%-9d",xuhao);printf("%-16s",b->shuming );printf("%-9s",b->shuhao);printf("%-9s",b->zuozhe);printf("%-9d",b->shuliang);printf("%-9.2lf",b->jiage);printf("%-9s",b->fenlei);printf("%-15s",b->chubanshe);printf("%-9s\n",b->banci);t=1;break;}b=b->next;++xuhao;}if(t==0)printf("本系统内暂无%s的信息！！！",shuming[MAX]);system("pause");system("cls");
}
/更改库存///
void kucun()
{
int xuhao=1;
int t=0;
int kucun;
char shuming[MAX];
Bookb=(Book)malloc(sizeof(Book));
b=book_head->next;
printf(“请输入需要修改库存的书名：”);
scanf("%s",shuming);
printf(“序号 书名 书号 作者 数量 价格 分类 出版社 版次\n”);
while(b)
{
if(strcmp(b->shuming,shuming)==0)
{
printf("%-9d",xuhao);printf("%-16s",b->shuming );printf("%-9s",b->shuhao);printf("%-9s",b->zuozhe);printf("%-9d",b->shuliang);printf("%-9.2lf",b->jiage);printf("%-9s",b->fenlei);printf("%-15s",b->chubanshe);printf("%-9s\n",b->banci);t=1;break;}b=b->next;++xuhao;}if(t==0)printf("本系统内暂无%s的信息！！！",shuming[MAX]);printf("请输入修改后的库存：");scanf("%d",&kucun);printf("是否确认修改？1.是 2.否（请输入1或2选择功能）\n");int a;scanf("%d",&a);if(a==1||a==2){if(a==1){b->shuliang =kucun;save();printf("更改库存成功！！！");}if(a==2)return;}else printf("指令选择有误！！！\n");system("pause");system("cls");
}
void sum()
{
int a;
int sum1=0;
int sum2=0;
double sum=0;
printf(“1.查看图书总图书库存量\n”);
printf(“2.查看图书总用户量\n”);
printf(“3.查看图书总图书资产\n”);
scanf("%d",&a);
if(a==1)
{
Bookb=(Book)malloc(sizeof(Book));
b=book_head->next;
while(b)
{
sum1=sum1+b->shuliang;
b=b->next;
}
printf(“本图书馆的总图书库存为%d\n”,sum1);
}
if(a==2)
{
User *b=(User*)malloc(sizeof(User));b=user_head->next;if(b) sum2++;printf("用户一共有%d位！\n",sum2);
}
if(a==3)
{
Bookb=(Book)malloc(sizeof(Book));
b=book_head->next;
while(b)
{
double c;
c=b->shuliang*b->jiage;
sum=sum+c;
b=b->next;
}
printf(“本图书馆的图书总价为%.2lf\n”,sum);
}
}
void delbook() //删除图书信息
{
outbook();printf("请输入待删除的书籍序号(输入 -1 退出删除操作)：\n");int xuhao; scanf("%d", &xuhao);if (xuhao == -1){printf("已成功退出删除系统！\n");system("pause"); system("cls");return;}else if (xuhao > book_sum || xuhao <= 0){printf("请正确输入待删除的图书序号！\n");}else{Book* tb = (Book*)malloc(sizeof(Book));Book* np = (Book*)malloc(sizeof(Book));np = book_head;tb = book_head->next;for (int i = 1; i < xuhao; ++i)///找到需要删除的位置{np = tb;tb = tb->next;} np->next = tb->next;free(tb);--book_sum;save();printf("该图书已从系统内删除成功！\n");}system("pause");system("cls");
}
用户信息管理/
void outuser()///输出全部用户信息
{
int xuhao1=1;
if(!user_sum)
{
printf(“本系统内暂无用户账号，请联系管理员添加账号！\n”);
return ;
}
Userb=(User)malloc(sizeof(User));
b=user_head->next;
printf(“全部用户信息如下所示：\n”);
while(b)
{
printf(“序号：%d\n”,xuhao1);
printf(“姓名：%s\n”,b->name );
printf("账号：%s\n",b->user_zhanghao );printf("密码：%s\n",b->user_mima);printf("证件号：%d\n",b->zhengjianhao );printf("正在借阅的书籍：%s\n" ,b->jieyue);for(int i=0;i<b->n;i++){printf("%s",b->jieyue[i]);}b=b->next;++xuhao1;}
}
void adduser()///添加账户
{
char name[MAX]; //用户姓名定义
char user_zhanghao[MAX];//账号定义
char user_mima[MAX];//账号密码
int zhengjianhao;///证件号
// User_book b[10];
char jieyue[MAX];///用户正在借阅的图书
printf(“请输入要添加的账户信息（添加账户时请将用户正在借阅的书籍设为无）：\n”);
printf("姓名：");scanf("%s",name);printf("账号：");scanf("%s",user_zhanghao);printf("密码：");scanf("%s",user_mima);printf("证件号：");scanf("%d",&zhengjianhao );printf("用户正在借阅的书：");scanf("%s",jieyue);++user_sum;creatuserlist(name,user_zhanghao,user_mima,zhengjianhao,jieyue);printf("添加用户：%s成功！\n",name);system("pause");system("cls");
}
void deluser() //删除用户账号
{
outuser();printf("请输入待删除的用户序号(输入 -1 退出删除操作)：\n");int xuhao1;scanf("%d", &xuhao1);if (xuhao1 == -1){printf("已成功退出删除系统！\n");system("pause"); system("cls");return;}else if (xuhao1 > user_sum || xuhao1 <= 0){printf("请正确输入待删除的用户序号！\n");}else{User* tb = (User*)malloc(sizeof(User));User* np = (User*)malloc(sizeof(User));np = user_head;tb = user_head->next;for (int i = 1; i < xuhao1; ++i)///找到需要删除的位置{np = tb;tb = tb->next;}np->next = tb->next;free(tb);--user_sum;save();printf("该用户账号已从系统内删除成功！\n");}system("pause");system("cls");
}
//借阅部分///
void duzhejieyue()//按书号借阅图书
{
int n=0;
User *l=(User *)malloc(sizeof(User));
l=user_head->next ;
int t=0;
char zh[MAX];
int ID;
int xuhao1=1;
printf(“用户请再输入您的账号以进行接下来的操作！\n”);
scanf("%s",zh);
printf(“请输入您的证件号以进行接下来的操作！\n”);
scanf("%d",&ID);
while(l)
{
if((strcmp(l->user_zhanghao,zh)0)&&(l->zhengjianhaoID)) break;
else if((strcmp(l->user_zhanghao,zh)0)&&(l->zhengjianhao!=ID)) printf(“密码错误！请从新登陆！”); l=l->next; ++xuhao1; } if(ID
{
int xuhao=1;
char shuhao[MAX];
Bookb=(Book)malloc(sizeof(Book));
b=book_head->next;
printf(“请输入需要查找的书号的图书：”);
scanf("%s",shuhao);
while(b)
{
if(strcmp(b->shuhao,shuhao)0) { printf(" 该图书信息如下所示：\n"); printf(“书名：%s\n”,b->shuming); printf(“书号：%s\n”,b->shuhao); printf(“作者：%s\n”,b->zuozhe); printf(“书的数量：%d\n”,b->shuliang); printf(“书的价格：%.2lf\n”,b->jiage); printf(“书的分类：%s\n”,b->fenlei); printf(“书的出版社：%s\n”,b->chubanshe); printf(“书的版次：%s\n”,b->banci); t=1; break; } b=b->next; } if(t
printf(“本系统内暂无该书号的图书的信息！！！”);
while(b)
{
if(b->shuliang>0)
{
printf(“该图书可以借阅!\n”);
printf(“1.确定借阅！\n”);
printf(“2.退出系统！\n”);
int s;
scanf("%d",&s);
switch(s)
{
case 1:
{
b->shuliang=b->shuliang-1;
Useru1=(User)malloc(sizeof(User));
u1=user_head;//用u1指向用户
while(u1->next)
u1=u1->next; //u1始终指向尾结点
Useru2=(User)malloc(sizeof(User));
u2=user_head->next;
while(u2)
{
if(u2->zhengjianhao ==ID)
{
printf(“姓名：%s\n”,u2->name );
printf(“账号：%s\n”,u2->user_zhanghao );
printf(“证件号：%d\n”,u2->zhengjianhao );
break;
}
u2=u2->next;
}
while(u2)
{
strcat(u2->jieyue ,b->shuming);
break;
}
save();
printf(“借阅成功！！！”);
}
case 2:return ;
}
}else {printf("该图书库存不足，欢迎下次借阅！");break;}}}
}
void backbook() 还书
{
int n=0;
User *l=(User *)malloc(sizeof(User));
l=user_head->next ;
int t=0;
char zh[MAX];
int ID;
int xuhao1=1;
printf(“用户请再输入您的账号以进行接下来的操作！\n”);
scanf("%s",zh);
printf(“请输入您的证件号以进行接下来的操作！\n”);
scanf("%d",&ID);
while(l)
{
if((strcmp(l->user_zhanghao,zh)0)&&(l->zhengjianhaoID)) break;
l=l->next;
++xuhao1;
}
if(ID==l->zhengjianhao)
printf(“您借阅图书有：”);
printf("%s\n",l->jieyue);
printf(“请输入您要归还的图书书名:”);
char c[MAX];
scanf("%s",c);
int lent=strlen©;
charp;
while(p=strstr(l->jieyue,c))//找到l->jieyue中第一次与c匹配的地址，若找不到返回NULL
{//strstr
while((p+lent)!=’\0’)
{//能找到
p=(p+lent);//从开始找到的位置将去掉c的那部分复制过来
p++;
}
*p=’\0’;//s串打上结束标志
}
Bookb=(Book)malloc(sizeof(Book));
b=book_head->next;
while(b)
{
if(strcmp(b->shuming,c)==0)
{
b->shuliang=b->shuliang+1;
break;
}
b=b->next;}
printf(“您现在借阅图书有：”);
printf("%s\n",l->jieyue);
save();
}
//菜单//
void menu_chazhao()/查找方式的菜单/
{
int c;
system(“color 0B”);
system(“cls”);
printf("\t\t\t ◆◇请选择查找方式◇◆\t\t\t\t\n" );
printf("\t\t\t ◆◇1.按书名查找◇◆\t\t\t\t\n" );
printf("\t\t\t ◆◇2.按作者查找◇◆\t\t\t\t\n" );
printf("\t\t\t ◆◇3.按分类查找◇◆\t\t\t\t\n" );
printf("\t\t\t ◆◇0.退出◇◆\t\t\t\t\n" );
printf( “〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n” );
printf("\t\t\t ◆◇请选择功能◇◆\t\t\t\t\n");
scanf("%d",&c);system(“cls”);
switch©
{
case 1: shuming();system(“pause”);menu_chazhao();break;
case 2: zuozhe();system(“pause”);menu_chazhao();break;
case 3: fenlei();system(“pause”);menu_chazhao();break;
case 0: return ;
default:printf(“指令错误，请重新输入！！！\n”);system(“pause”);system(“cls”);break;
}
}
void menu_chazhaouser()/查找方式的菜单/
{
int c;
system(“color 0B”);
system(“cls”);
printf("\t\t\t ◆◇借阅图书◇◆\t\t\t\t\n" );
printf("\t\t\t ◆◇1.按书名查找◇◆\t\t\t\t\n" );
printf("\t\t\t ◆◇2.按作者查找◇◆\t\t\t\t\n" );
printf("\t\t\t ◆◇3.按分类查找◇◆\t\t\t\t\n" );
printf("\t\t\t ◆◇4.借阅图书◇◆\t\t\t\t\n" );
printf("\t\t\t ◆◇0.退出◇◆\t\t\t\t\n" );
printf( “〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n” );
printf("\t\t\t ◆◇请选择功能◇◆\t\t\t\t\n");
scanf("%d",&c);system(“cls”);
switch©
{
case 1: shuming();system(“pause”);menu_chazhaouser();break;
case 2: zuozhe();system(“pause”);menu_chazhaouser();break;
case 3: fenlei();system(“pause”);menu_chazhaouser();break;
case 4: duzhejieyue();system(“pause”);menu_chazhaouser();break;
case 0: return ;
default:printf(“指令错误，请重新输入！！！\n”);system(“pause”);system(“cls”);break;
}
}
void menu_gly()//管理员管理菜单
{
//load();
int b;
system(“color 0B”);
system(“cls”);
printf(“登录成功！！！欢迎使用图书管理系统！！！\n”);
printf( “〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n” );
printf( “\t\t\t◆◇管理员管理系统◇◆\t\t\t\t\n” );
printf( “〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n” );
printf("\t\t\t ◆◇请选择管理模式◇◆\t\t\t\t\n" );
printf("\t\t\t ◆◇1.添加图书◇◆\t\t\t\t\n" );
printf("\t\t\t ◆◇2.删除图书◇◆\t\t\t\t\n" );
printf("\t\t\t ◆◇3.查找图书◇◆\t\t\t\t\n" );
printf("\t\t\t ◆◇4.更改图书库存◇◆\t\t\t\t\n" );
printf("\t\t\t ◆◇5.显示全部图书◇◆\t\t\t\t\n" );
printf("\t\t\t ◆◇6.添加读者账户◇◆\n" );
printf("\t\t\t ◆◇7.浏览读者信息◇◆\t\t\t\t\n" );
printf("\t\t\t◆◇8.删除读者信息◇◆\n" );
printf("\t\t ◆◇9.查看图书库存和总读者量◇◆\t\t\t\t\n" );
printf("\t\t\t ◆◇0.退出◇◆\t\t\t\t\n" );
printf( “〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n” );
printf("\t\t\t ◆◇请选择功能◇◆\t\t\t\t\n");
scanf("%d",&b);system(“cls”);
switch(b)
{
case 1:addbook();system(“pause”);menu_gly();system(“pause”);break;
case 2: delbook();system(“pause”);menu_gly();system(“pause”);break;
case 3:menu_chazhao();system(“pause”);menu_gly();system(“pause”);break;
case 4:kucun();system(“pause”);menu_gly();system(“pasue”);break;
case 5: outbook();system(“pause”);menu_gly();system(“pause”);break;
case 6: adduser();system(“pause”);menu_gly();system(“pause”);break;
case 7: outuser();system(“pause”);menu_gly();system(“pause”);break;
case 8: deluser();system(“pause”);menu_gly();system(“pause”);break;
case 9: sum();system(“pause”);menu_gly();system(“pause”);break;
case 0:return ;
default:printf(“指令错误，请重新输入！！！\n”);system(“pause”);system(“cls”);break;
}
}
void menu_jyz()//借阅者/
{
int c;
system("color 0B");system("cls");printf( "〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n" );printf( "\t\t\t ◆◇读者借阅系统◇◆\t\t\t\t\n" );printf( "〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n" );printf("\t\t\t ◆◇请选择读者模式◇◆\t\t\t\t\n" );printf("\t\t\t ◆◇1.借阅图书◇◆\t\t\t\t\n" );printf("\t\t\t ◆◇2.归还图书◇◆\t\t\t\t\n" );printf("\t\t\t ◆◇3.退出系统◇◆\t\t\t\t\n" );printf( "〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n" );printf("\t\t\t ◆◇请选择功能◇◆\t\t\t\t\n");scanf("%d",&c);system("cls");switch(c){case 1: menu_chazhaouser();system("pause");break;case 2: backbook();system("pause");break;case 3:return ;default:printf("指令错误，请重新输入！！！\n");system("pause");system("cls");break;}
}
void gly_dl()管理员登陆///
{
char zh[MAX];
char mm[MAX];
system(“color 0B”);
system(“cls”);
printf( “〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n” );
printf("\t\t\t ◆◇请登录管理员账户◇◆\t\t\t\t\n" );
printf( “〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n” );
printf("\t\t\t 温馨提示：请正确输入账号与密码！！\t\t\t\t\n" );
printf( “〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n” );
printf(“账号：”);
scanf("%s",zh);
printf(“密码：”);
scanf("%s",mm);
if(strcmp(glzhanghao,zh)==0&&strcmp(glmima,mm)==0) menu_gly();else {printf("账号或密码出错！！！");system("pause");system("cls");}
}
void user_jyz()借阅者登陆
{
system(“cls”);
char a[MAX],b[MAX];
printf( “〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n” );
printf("\t\t\t ◆◇请输入用户账户◇◆\t\t\t\t\n" );
printf("\t\t\t ◆◇请输入用户密码◇◆\t\t\t\t\n" );
printf( “〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n” );
scanf("%s",a);
scanf("%s",b);
//int xuhao1=1;
//int t=0;
Useru=(User)malloc(sizeof(User));
u=user_head->next;
while(u)
{
if(strcmp(u->user_zhanghao,a)==0)
{
if(strcmp(u->user_mima,b)==0) menu_jyz();
else {printf(“密码输入错误！”);system(“pause”);system(“cls”);break;}
}
//t=1;
u=u->next;
// ++xuhao1;
}
}
///
void load() //从文件中加载数据
{
book_head = (Book*)malloc(sizeof(Book));///创建图书头结点book_head->next = NULL;///将其next域置为NULLbook_sum = 0;///将图书总数初始化为0FILE* fp1;///定义一个指向文件的指针fp1fp1 = fopen("book.txt", "rb");///以只读的方式打开book.txtif (fp1 == NULL)///如果文件为空，存储失败{fp1 = fopen("book.txt", "wb");if (fp1 == NULL){printf("图书存储失败！\n"); exit(0);}fclose(fp1);}else///如果文件不为空{Book* bp = (Book*)malloc(sizeof(Book));///建立一个图书节点bp = book_head;///令他为头指针Book* tp = (Book*)malloc(sizeof(Book));while (fread(tp, sizeof(Book), 1, fp1))///fread从文件中读取一个数据块 读入数据///从fp1指向的文件中读入一个Book长度的数据，存储到节点中///读取book.txt文件，实现将文件中数据存入tp链表中{bp->next = tp;++book_sum;///图书总数加1tp = tp->next;///指针后移tp = (Book*)malloc(sizeof(Book));///再建立一个节点bp = bp->next;}fclose(fp1);}user_head = (User*)malloc(sizeof(User));user_head->next = NULL;user_sum = 0;FILE* fp2;fp2 = fopen("user.txt", "rb");if (fp2 == NULL){system("color 0B");printf("本系统暂时无读者用户账号，请管理员添加读者用户账号！！！\n");system("pause");system("cls");menu_gly(); return ;printf("账户存储失败！！！\n");exit(0);}User* np = (User*)malloc(sizeof(User));np = user_head;User* t = (User*)malloc(sizeof(User));while (fread(t, sizeof(User), 1, fp1)){np->next = t;++user_sum;///用户总数加1t = t->next;///指针后移t = (User*)malloc(sizeof(User));np = np->next;}fclose(fp2);
}
//主函数//
void main()
{
int i;
int a=0;
int sum=0;
char zh[MAX];
char mm[MAX];
load();system("color 0B");system("cls");printf( "〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n" );printf( "\t\t\t ◆◇图书管理系统◇◆\t\t\t\t\n" );printf( "〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n" );printf( "\t\t\t~~~欢迎使用图书管理系统~~~\t\t\t\n");printf( "〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n" );printf("\t\t\t ◆◇请选择登录模式◇◆\t\t\t\t\n" );printf("\t\t\t ◆◇1.管理员登录◇◆\t\t\t\t\n" );printf("\t\t\t ◆◇2.读者登录◇◆\t\t\t\t\n" );printf("\t\t\t ◆◇3.退出系统◇◆\t\t\t\t\n" );printf( "〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n" );scanf("%d",&i);system("cls");switch(i){case 1:gly_dl();main();break;case 2: user_jyz();main();break;case 3:printf("\t\t\t ~~~谢谢使用！！！~~~\t\t\t \n" );exit(0);}
}
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