C语言图书管理系统（可参考作为课程设计）
贺贺学编程
共 49102字，需浏览 99分钟
·
2021-03-31 21:16
该系统包括以下功能：
01、注册账号
02、登录账号
03、修改密码
04、录入功能
05、添加功能
06、删除功能
07、修改功能
08、浏览功能
09、查询密码
10、排序功能
课程设计的文档以及图书信息如下链接
链接：https://pan.baidu.com/s/1K_5YJGkpncXHEVmZIIu6xQ
提取码：t5wb
该图书管理系统的运行及代码如下：
主界面：
注册界面
登录成功后的界面：
图书功能管理界面
具体内容直接看源码吧
程序代码：
#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<algorithm>
using namespace std;
struct asccount{
char ID[20];
char password[20];
}user[1010];
struct message{
char book_number[20];
char book_name[20];
char book_writer[20];
char book_price[20];
}book[1010];
void save_user(void);//将账号写入磁盘
void load_user(void);//将账号读入内存
void save_book(void);//将图书写入磁盘
void load_book(void);//将图书读入内存
void user_menu(void);//账号菜单
void add_user(void);//注册账号
void login_user(void);//登录账号
void reset_password(void);//修改密码
void choose_menu(void);//选择菜单
void function_menue(void);//功能菜单
void developer_introduce(void);//开发人员介绍
void library_function(void);//图书功能介绍
void entering_function(void);//录入功能
void find_function(void);//查找功能
void sort_function(void);//排序功能
void add_function(void);//添加功能
void delete_function(void);//删除功能
void reset_function(void);//修改功能
void look_function(void);//浏览功能
void sort_book_number(void);//按书号排序
int cmp_book_number(struct message x,struct message y);//按书号排序判断
void sort_book_name(void);//按书名排序
int cmp_book_name(struct message x,struct message y);//按书名排序判断
void sort_book_price(void);//按单价排序
int cmp_book_price(struct message x,struct message y);//按单价排序判断
void find_book_number(void);
void find_book_name(void);
void find_book_price(void);
int user_count=0;
int book_count=0;
int main()
{
system("color 03");//背景与字体颜色
load_user();//将账号读入内存
load_book();//将图书读入内存
user_menu();
return 0;
}
void user_menu(void)
{
int choose;
system("cls");
printf("\n\n\t\t*****************************************");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 欢迎来到小型图书管理系统\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 登录账号请按1\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 注册账号请按2\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 修改密码请按3\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 退出系统请按0\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*****************************************");
printf("\n\t\t\t\t");
printf("\n\t\t\t 请输入选项:\n\t\t\t\t ");
scanf("%d",&choose);
switch(choose)
{
case 1:
login_user(); break;
case 2:
add_user(); break;
case 3:
reset_password(); break;
case 0:
return;
default :
printf("\n\t\t\t 输入错误，请重新输入\n\n\t\t\t ");
system("PAUSE");
system("cls");
user_menu();
}
}
void add_user(void)//注册账号
{
FILE *fp;
int i;
char str[101];
system("cls");
printf("\n");
printf("\t\t\t请输入账号：\n\n\t\t\t ");
scanf("%s",str);
if(strlen(str)>16)
{
printf("\t\t账号长度大于16位，请重新输入\n");
system("PAUSE");
system("cls");
printf("\n");
add_user();
return;
}
for(i=0;i<user_count;i++)
if(strcmp(user[i].ID,str)==0)
{
printf("\t\t该账号已被注册，请重新注册\n\n\t\t\t ");
system("PAUSE");//按任意键继续
add_user();
}
strcpy(user[i].ID,str);
printf("\t\t\t请输入密码：\n\n\t\t\t ");
scanf("%s",str);
while(strlen(str)>16)
{
system("cls");
printf("\n");
printf("\t\t密码长度大于16位，请重新输入\n\n");
printf("\t\t\t请输入密码：\n\n\t\t\t ");
scanf("%s",str);
}
strcpy(user[i].password,str);
printf("\t\t\t请再次输入密码：\n\n\t\t\t ");
scanf("%s",str);
if(strcmp(user[i].password,str)!=0)
{
printf("\t\t两次密码不一致,请重新申请\n\n\t\t\t");
system("PAUSE");
system("cls");
printf("\n");
add_user();
return;
}
save_user();//将账号写入磁盘
printf("\t\t\t账号申请成功\n\n\t\t\t");
user_count++;
system("PAUSE");
user_menu();
}
void load_user(void)//将账号读入内存
{
FILE *fp;
fp=fopen("账号.txt","r");
while(fscanf(fp,"%s",user[user_count].ID)!=EOF)
{
fscanf(fp,"%s",user[user_count].password);
user_count++;
}
fclose(fp);
}
void save_user(void)//将账号写入磁盘
{
int i;
FILE *fp;
fp=fopen("账号.txt","w");
for(i=0;i<=user_count;i++)
{
fprintf(fp,"%s\n",user[i].ID);
fprintf(fp,"%s\n",user[i].password);
}
fclose(fp);
}
void login_user(void)//登录账号
{
int i,flag=0;
char str[20];
system("cls");
printf("\n");
printf("\t\t\t请输入账号：\n\n\t\t\t ");
scanf("%s",str);
for(i=0;i<user_count;i++)
if(strcmp(user[i].ID,str)==0)
{
flag=1;
break;
}
if(flag==0)
{
printf("\t\t该账号不存在，请重新登录\n\n\t\t\t");
system("PAUSE");
system("cls");
printf("\n");
login_user();
return;
}
printf("\t\t\t请输入密码：\n\n\t\t\t ");
scanf("%s",str);
while(strcmp(user[i].password,str)!=0)
{
system("cls");
printf("\n");
printf("\t\t\t密码错误，请重新输入\n\n\t\t\t\t");
scanf("%s",str);
}
printf("\t\t\t登录成功\n\n\t\t\t");
choose_menu();
}
void reset_password(void)//修改密码
{
int i,flag=0;
char str[20];
system("cls");
printf("\n");
printf("\t\t\t请输入账号：\n\n\t\t\t ");
scanf("%s",str);
for(i=0;i<user_count;i++)
if(strcmp(user[i].ID,str)==0)
{
flag=1;
break;
}
if(flag==0)
{
printf("\t\t该账号不存在，请重新登录\n\n\t\t\t");
system("PAUSE");
system("cls");
printf("\n");
reset_password();
return;
}
printf("\t\t\t请输入密码：\n\n\t\t\t ");
scanf("%s",str);
while(strcmp(user[i].password,str)!=0)
{
system("cls");
printf("\n");
printf("\t\t\t密码错误，请重新输入\n\n\t\t\t\t");
scanf("%s",str);
}
printf("\t\t\t请输入新密码\n\n\t\t\t ");
scanf("%s",str);
while(strlen(str)>16)
{
printf("\t\t密码长度大于16位，请重新输入\n");
system("PAUSE");
system("cls");
printf("\n");
scanf("%s",str);
}
strcpy(user[i].password,str);
printf("\t\t\t请再次输入密码：\n\n\t\t\t ");
scanf("%s",str);
while(strcmp(user[i].password,str)!=0)
{
printf("\t\t两次密码不一致,请重新申请\n\n\t\t\t");
system("PAUSE");
system("cls");
printf("\n");
scanf("%s",str);
}
save_user();
printf("\t\t\t修改成功\n\n\t\t\t");
system("PAUSE");
user_menu();
}
void choose_menu(void)//选择菜单
{
int choose;
while(1)
{
system("cls");
printf("\n\n\t\t*****************************************");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 欢迎来到选择菜单管理\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 图书功能管理请按1\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 开发人员介绍请按2\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 图书功能介绍请按3\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 返回到上一层请按0\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*****************************************");
printf("\n\t\t\t\t");
printf("\n\t\t\t 请输入选项:\n\t\t\t\t ");
scanf("%d",&choose);
switch(choose)
{
case 0:
user_menu(); return;
case 1:
function_menue(); return;
case 2:
developer_introduce(); return;
case 3:
library_function(); return;
default:
printf("\n\t\t\t 输入错误，请重新输入\n\n\t\t\t ");
system("PAUSE");
system("cls");
}
}
}
void function_menue(void)//功能菜单
{
int choose;
while(1)
{
system("cls");
printf("\n\n\t\t*****************************************");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 录入功能请按1\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 查找功能请按2\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 排序功能请按3\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 添加功能请按4\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 删除功能请按5\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 修改功能请按6\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 浏览功能请按7\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 返回上一层请按0\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*****************************************");
printf("\n\t\t\t\t");
printf("\n\t\t\t 请输入选项:\n\t\t\t\t ");
scanf("%d",&choose);
switch(choose)
{
case 0:
choose_menu();
case 1:
entering_function(); break;//录入功能
case 2:
find_function(); break;//查找功能
case 3:
sort_function(); break;//排序功能
case 4:
add_function(); break;//添加功能
case 5:
delete_function(); break;//删除功能
case 6:
reset_function(); break;//修改功能
case 7:
look_function(); break;//浏览功能
default :
printf("\n\t\t\t 输入错误，请重新输入\n\n\t\t\t ");
system("PAUSE");
}
}
}
void developer_introduce(void)//开发人员介绍
{
system("cls");
printf("\n\n\t\t*****************************************");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 开发人员信息：\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t xxx \t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t xxx \t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t xxx \t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*****************************************");
printf("\n\t\t");
system("PAUSE");
choose_menu();
}
void library_function(void)//图书功能介绍
{
system("cls");
printf("\n\n\t\t*****************************************");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 该系统包括以下功能\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 1、 注册账号\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 2、 登录账号\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 3、 修改密码\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 4、 录入功能\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 5、 添加功能\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 6、 删除功能\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 7、 修改功能\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 8、 浏览功能\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 9、 查询密码\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 10、排序功能\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*****************************************");
printf("\n\t\t");
system("PAUSE");
choose_menu();
}
void entering_function(void)//录入功能
{
int i;
system("cls");
printf("\n\t\t\t 请输入要录入的图书数\n\t\t\t\t");
scanf("%d",&book_count);
for(i=0;i<book_count;i++)
{
system("cls");
printf("\n\t\t\t 请输入书号\n\t\t\t\t",i);
scanf("%s",book[i].book_number);
printf("\n\t\t\t 请输入书名\n\t\t\t\t",i);
scanf("%s",book[i].book_name);
printf("\n\t\t\t 请输入作者\n\t\t\t\t",i);
scanf("%s",book[i].book_writer);
printf("\n\t\t\t 请输入单价\n\t\t\t\t",i);
scanf("%s",book[i].book_price);
}
save_book();
system("PAUSE");
}
void load_book(void)//将图书读入内存
{
FILE *fp;
fp=fopen("图书.txt","r");
while(fscanf(fp,"%s",book[book_count].book_number)!=EOF)
{
fscanf(fp,"%s",book[book_count].book_name);
fscanf(fp,"%s",book[book_count].book_writer);
fscanf(fp,"%s",book[book_count].book_price);
book_count++;
}
fclose(fp);
}
void save_book(void)//将图书写入磁盘
{
int i;
FILE *fp;
fp=fopen("图书.txt","w");
for(i=0;i<=book_count;i++)
{
fprintf(fp,"%s\n",book[i].book_number);
fprintf(fp,"%s\n",book[i].book_name);
fprintf(fp,"%s\n",book[i].book_writer);
fprintf(fp,"%s\n",book[i].book_price);
}
fclose(fp);
}
void sort_function(void)//排序功能
{
int choose;
while(1)
{
system("cls");
printf("\n\n\t\t*****************************************");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 欢迎来到排序功能管理\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 按书号排序请按1\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 按书名排序请按2\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 按单价排序请按3\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*****************************************");
printf("\n\t\t\t\t");
printf("\n\t\t\t 请输入选项:\n\t\t\t\t ");
scanf("%d",&choose);
switch(choose)
{
case 1:
sort_book_number(); return;
case 2:
sort_book_name(); return;
case 3:
sort_book_price(); return;
default:
printf("\n\t\t\t 输入错误，请重新输入\n\n\t\t\t ");
system("PAUSE");
system("cls");
}
}
}
void sort_book_number(void)//按书号排序
{
int i;
for(i=0;i<book_count;i++)
sort(book,book+book_count,cmp_book_number);
printf("\n\t\t\t排序完成\n\n\t\t\t");
save_book();
system("PAUSE");
}
void sort_book_name()//按书名排序
{
int i;
for(i=0;i<book_count;i++)
sort(book,book+book_count,cmp_book_name);
printf("\n\t\t\t排序完成\n\n\t\t\t");
save_book();
system("PAUSE");
}
void sort_book_price(void)//按单价排序
{
int i;
for(i=0;i<book_count;i++)
sort(book,book+book_count,cmp_book_price);
printf("\n\t\t\t排序完成\n\n\t\t\t");
save_book();
system("PAUSE");
return;
}
int cmp_book_number(struct message x,struct message y)
{
if(strcmp(x.book_number,y.book_number)==-1)
return 1;
return 0;
}
int cmp_book_name(struct message x,struct message y)
{
if(strcmp(x.book_name,y.book_name)==-1)
return 1;
return 0;
}
int cmp_book_price(struct message x,struct message y)
{
if(strcmp(x.book_price,y.book_price)==-1)
return 1;
return 0;
}
void add_function(void)//添加功能
{
int i;
system("cls");
printf("\n\t\t\t本图书系统已有%d本书\n",book_count);
printf("\n\t\t\t请输入要添加的书号\n\t\t\t\t",book_count);
scanf("%s",book[book_count].book_number);
printf("\n\t\t\t请输入要添加的书名\n\t\t\t\t",book_count);
scanf("%s",book[book_count].book_name);
printf("\n\t\t\t请输入要添加的作者\n\t\t\t\t",book_count);
scanf("%s",book[book_count].book_writer);
printf("\n\t\t\t请输入要添加的单价\n\t\t\t\t",book_count);
scanf("%s",book[book_count].book_price);
printf("\n\t\t\t添加成功\n\t\t\t\t");
book_count++;
save_book();
system("PAUSE");
return;
}
void find_function(void)//查找功能
{
int choose;
while(1)
{
system("cls");
printf("\n\n\t\t*****************************************");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 欢迎来到查找功能管理\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 按书号查找请按1\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 按书名查找请按2\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*\t 按单价查找请按3\t\t*");
printf("\n\t\t*\t\t\t\t\t*");
printf("\n\t\t*****************************************");
printf("\n\t\t\t\t");
printf("\n\t\t\t 请输入选项:\n\t\t\t\t ");
scanf("%d",&choose);
switch(choose)
{
case 1:
find_book_number(); return;
case 2:
find_book_name(); return;
case 3:
find_book_price(); return;
default:
printf("\n\t\t\t 输入错误，请重新输入\n\n\t\t\t ");
system("PAUSE");
system("cls");
}
}
}
void find_book_number(void)//按书号查找
{
int i,t=-1;
char str[20];
while(1)
{
system("cls");
printf("\n\t\t\t请输入要查找的书号\n\t\t\t\t");
scanf("%s",str);
for(i=0;i<book_count;i++)
if(strcmp(book[i].book_number,str)==0)
{
t=i;
break;
}
if(t==-1)
{
printf("\n\t\t\t该书号不存在，请重新输入\n\n\t\t\t ");
system("PAUSE");
continue;
}
printf("\n\t\t\t查找成功");
printf("\n\t\t\t书号：%s",book[t].book_number);
printf("\n\t\t\t书名：%s",book[t].book_name);
printf("\n\t\t\t作者：%s",book[t].book_writer);
printf("\n\t\t\t单价：%s",book[t].book_price);
printf("\n\t\t\t");
system("PAUSE");
break;
}
}
void find_book_name(void)//按书名查找
{
int i,t=-1;
char str[20];
while(1)
{
system("cls");
printf("\n\t\t\t请输入要查找的书名\n\t\t\t\t");
scanf("%s",str);
for(i=0;i<book_count;i++)
if(strcmp(book[i].book_name,str)==0)
{
t=i;
break;
}
if(t==-1)
{
printf("\n\t\t\t该书名不存在，请重新输入\n\n\t\t\t ");
system("PAUSE");
continue;
}
printf("\n\t\t\t查找成功");
printf("\n\t\t\t书号：%s",book[t].book_number);
printf("\n\t\t\t书名：%s",book[t].book_name);
printf("\n\t\t\t作者：%s",book[t].book_writer);
printf("\n\t\t\t单价：%s",book[t].book_price);
printf("\n\t\t\t");
system("PAUSE");
break;
}
}
void find_book_price(void)//按单价查找
{
int i,t=-1;
char str[20];
while(1)
{
system("cls");
printf("\n\t\t\t请输入要查找的单价\n\t\t\t\t");
scanf("%s",str);
for(i=0;i<book_count;i++)
if(strcmp(book[i].book_price,str)==0)
{
t=i;
break;
}
if(t==-1)
{
printf("\n\t\t\t该单价不存在，请重新输入\n\n\t\t\t ");
system("PAUSE");
continue;
}
printf("\n\t\t\t查找成功");
printf("\n\t\t\t书号：%s",book[t].book_number);
printf("\n\t\t\t书名：%s",book[t].book_name);
printf("\n\t\t\t作者：%s",book[t].book_writer);
printf("\n\t\t\t单价：%s",book[t].book_price);
printf("\n\t\t\t");
system("PAUSE");
break;
}
}
void delete_function(void)//删除功能
{
int i,t=-1;
char str[20];
while(1)
{
system("cls");
printf("\n\t\t\t请输入要删除的书号\n\t\t\t\t");
scanf("%s",str);
for(i=0;i<book_count;i++)
if(strcmp(book[i].book_number,str)==0)
{
t=i;
break;
}
if(t==-1)
{
printf("\n\t\t\t 输入错误，请重新输入\n\n\t\t\t ");
system("PAUSE");
continue;
}
printf("\n\t\t\t书号：%s",book[t].book_number);
printf("\n\t\t\t书名：%s",book[t].book_name);
printf("\n\t\t\t作者：%s",book[t].book_writer);
printf("\n\t\t\t单价：%s",book[t].book_price);
printf("\n\t\t\t是否确定删除%d号书的信息",t);
printf("\n\t\t\t是请按1");
printf("\n\t\t\t否请按0\n\t\t\t\t");
scanf("%d",&t);
if(t==0)
return;
strcpy(book[t].book_name,"");
strcpy(book[t].book_number,"");
strcpy(book[t].book_writer,"");
strcpy(book[t].book_price,"");
printf("\n\t\t\t删除成功\n\t\t\t\t");
save_book();
system("PAUSE");
break;
}
}
void reset_function(void)//修改功能
{
int i,t=-1;
char str[20];
while(1)
{
system("cls");
printf("\n\t\t\t请输入要修改的书号\n\t\t\t\t");
scanf("%s",str);
for(i=0;i<book_count;i++)
if(strcmp(book[i].book_number,str)==0)
{
t=i;
break;
}
if(t==-1)
{
printf("\n\t\t\t 输入错误，请重新输入\n\n\t\t\t ");
system("PAUSE");
continue;
}
printf("\n\t\t\t书号：%s",book[t].book_number);
printf("\n\t\t\t书名：%s",book[t].book_name);
printf("\n\t\t\t作者：%s",book[t].book_writer);
printf("\n\t\t\t单价：%s",book[t].book_price);
printf("\n\t\t\t请输入新书号\n\t\t\t\t");
scanf("%s",book[t].book_number);
printf("\n\t\t\t请输入新书名\n\t\t\t\t");
scanf("%s",book[t].book_name);
printf("\n\t\t\t请输入新作者\n\t\t\t\t");
scanf("%s",book[t].book_writer);
printf("\n\t\t\t请输入新单价\n\t\t\t\t");
scanf("%s",book[t].book_price);
printf("\n\t\t\t修改成功\n\t\t\t\t");
save_book();
system("PAUSE");
break;
}
}
void look_function(void)//浏览功能
{
int i;
system("cls");
for(i=0;i<book_count;i++)
{
printf("书号：%s",book[i].book_number);
printf("\n书名：%s",book[i].book_name);
printf("\n作者：%s",book[i].book_writer);
printf("\n单价：%s",book[i].book_price);
printf("\n\n");
}
system("PAUSE");
}
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