图书管理系统1.0by P_LarT
来源：互联网 发布：知乎图片保存不了 编辑：程序博客网 时间：2024/09/21 06:34
VS下预编译头
#include "stdafx.h"#include <stdlib.h>#include <conio.h>#include <string.h>#include <process.h>char password_admin[]="123456";struct student{ int stu_num;//20个字节 char password[20]; char stu_name[20]; char stu_sex; int stu_class;}stu[20];struct book{ int book_num; char book_name[20]; char book_writer[20]; float book_price; char book_press[20]; int book_lastnum; int book_frequency;}bk[20];struct recordofbook{ char book_name[20]; int book_user;}recordbook[20];/********************辅助函数**************************/void DisplayBook()//显示书籍信息{ int i; printf("\t\t/*******************************/\n"); printf("\t\t/**********现有书籍状况***********/\n"); printf("\t\t/*******************************/\n"); FILE* fp = fopen("book.txt","r"); for (i=0;fread(&bk[i],sizeof(struct book),1,fp)!=0;i++) { printf("/--------------%d------------------/\n",i+1); printf("书号:%d\n",bk[i].book_num); printf("书名:%s\n",bk[i].book_name); printf("作者:%s\n",bk[i].book_writer); printf("单价:%.2f\n",bk[i].book_price); printf("书社:%s\n",bk[i].book_press); printf("数量:%d\n",bk[i].book_lastnum); printf("频率:%d\n",bk[i].book_frequency); printf("/--------------%d------------------/\n",i+1); } fclose(fp);}void DisplayStu(){ printf("\t\t/*******************************/\n"); printf("\t\t/**********现有学生状况***********/\n"); printf("\t\t/*******************************/\n"); int i; FILE* fp = fopen("student.txt","r"); for (i=0;fread(&stu[i],sizeof(struct student),1,fp)!=0;i++) { printf("/--------------%d------------------/\n",i+1); printf("学号:%d\n",stu[i].stu_num); printf("密码:%s\n",stu[i].password); printf("性别:%c\n",stu[i].stu_sex); printf("名字:%s\n",stu[i].stu_name); printf("班级:%d\n",stu[i].stu_class); printf("/--------------%d------------------/\n",i+1); } fclose(fp);}void Hello(){ system("cls"); printf("\t\t********************************\n"); printf("\t\t********************************\n"); printf("\t\t******欢迎进入图书管理系统******\n"); printf("\t\t********************************\n"); printf("\t\t********************************\n");}/************************图书操作*************************/void AddBook(){ FILE *fp; int i = 0; fp = fopen("book.txt","a+"); do { Hello(); DisplayBook(); printf("书号:"); scanf("%d",&bk[i].book_num); printf("书名:"); scanf("%s",bk[i].book_name); printf("作者:"); scanf("%s",bk[i].book_writer); printf("单价:"); scanf("%f",&bk[i].book_price); printf("书社:"); scanf("%s",bk[i].book_press); printf("数量:"); scanf("%d",&bk[i].book_lastnum); bk[i].book_frequency = 0; fwrite(&bk[i],sizeof(struct book),1,fp); printf("成功入库一本书:《%s》\n",bk[i++].book_name); fclose(fp); DisplayBook(); printf("若还想加书可以按y；其他任意键返回上一级\n"); }while(getch() == 'y');}void DeleteBook(){ FILE *fp1,*fp2; int i; char bookname[20]; do { Hello(); DisplayBook(); printf("书名:\n"); fflush(stdin); gets(bookname); fp1 = fopen("book.txt","r"); fp2 = fopen("book1.txt","w"); for(i=0;fread(&bk[i],sizeof(struct book),1,fp1)!=0;i++) { if(strcmp(bookname,bk[i].book_name)!=0) { fwrite(&bk[i],sizeof(struct book),1,fp2); } } fclose(fp1); fclose(fp2); fp1 = fopen("book.txt","w"); fp2 = fopen("book1.txt","r"); for(i=0;fread(&bk[i],sizeof(struct book),1,fp2)!=0;i++) { fwrite(&bk[i],sizeof(struct book),1,fp1); } fclose(fp1); fclose(fp2); fp2 = fopen("book1.txt","w"); fclose(fp2); DisplayBook(); printf("删除成功，若还想删书可以按y；其他任意键退出\n"); } while (getch() == 'y');}void ModifyBook(){ FILE *fp1,*fp2; int i; char bookname[20]; do { Hello(); DisplayBook(); printf("书名:"); fflush(stdin); gets(bookname); fp1 = fopen("book.txt","r"); fp2 = fopen("book1.txt","w"); for(i=0;fread(&bk[i],sizeof(struct book),1,fp1)!=0;i++) { if(strcmp(bk[i].book_name,bookname)==0) { printf("你所要修改的书的资料如下，请选择你要修改的内容:\n"); printf("/----------------%d----------------/\n",i+1); printf("书号:%d\n",bk[i].book_num); printf("书名:%s\n",bk[i].book_name); printf("作者:%s\n",bk[i].book_writer); printf("单价:%.2f\n",bk[i].book_price); printf("书社:%s\n",bk[i].book_press); printf("数量:%d\n",bk[i].book_lastnum); printf("/---------------%d-----------------/\n",i+1); printf("1: 修改书号:\n"); printf("2: 修改书名:\n"); printf("3: 修改作者:\n"); printf("4: 修改书价:\n"); printf("5: 修改书社:\n"); printf("6: 修改数量:\n"); printf("0: 退出;\n"); printf("请输入0~6:"); fflush(stdin); switch(getch()) { case '1': { printf("新书号:"); scanf("%d",&bk[i].book_num); fwrite(&bk[i],sizeof(struct book),1,fp2); break; } case '2': { printf("新书名:"); scanf("%s",bk[i].book_name); fwrite(&bk[i],sizeof(struct book),1,fp2); break; } case '3': { printf("新作者:"); scanf("%s",bk[i].book_writer); fwrite(&bk[i],sizeof(struct book),1,fp2); break; } case '4': { printf("新书价:"); scanf("%f",bk[i].book_price); fwrite(&bk[i],sizeof(struct book),1,fp2); break; } case '5': { printf("新书社:"); scanf("%s",bk[i].book_press); fwrite(&bk[i],sizeof(struct book),1,fp2); break; } case '6': { printf("新数目:"); scanf("%d",bk[i].book_lastnum); fwrite(&bk[i],sizeof(struct book),1,fp2); break; } case '0': return; default: printf("没有这样的操作!"); } } fwrite(&bk[i],sizeof(struct book),1,fp2); } fclose(fp1); fclose(fp2); fp1=fopen("book.txt","w"); fp2=fopen("book1.txt","r"); for(i=0;fread(&bk[i],sizeof(struct book),1,fp2)!=0;i++) { fwrite(&bk[i],sizeof(struct book),1,fp1); } fclose(fp1); fp2=fopen("book1.txt","w"); fclose(fp2); DisplayBook(); printf("若还想改书可以按y；其他任意键退出\n"); } while (getch() == 'y');}void CountBook()//将统计出被借频率最高的三本书{ FILE *fp; book temp_book; int i,j,k,t,bookfrequency[20],flag; Hello(); fp = fopen("book.txt","r"); for(i=0;fread(&bk[i],sizeof(struct book),1,fp)!=0;i++) {} fclose(fp); for(i=0;i<19;i++ ) { k=i; flag=1; for(j=i+1;j<20;j++) { if(bk[j].book_frequency >bk[k].book_frequency) { k=j; flag=0; } } if(flag) { break; } if(k!=i) { temp_book = bk[i]; bk[i] = bk[i+1]; bk[i+1] = temp_book; } } int count = 0; for( i=0; i<3; i++) { if (bk[i].book_frequency == 0) { count++; continue; } printf("/----------------%d----------------/\n",i+1); printf("书号:%d\n",bk[i].book_num); printf("书名:%s\n",bk[i].book_name); printf("作者:%s\n",bk[i].book_writer); printf("单价:%.2f\n",bk[i].book_price); printf("书社:%s\n",bk[i].book_press); printf("数量:%d\n",bk[i].book_lastnum); printf("频率:%d\n",bk[i].book_frequency); printf("/----------------%d----------------/\n",i+1); } if (count == 3) { printf("尚未有书被借过..."); }}void FindBook(){ FILE *fp; char bookname[20]; int i,flag; do { Hello(); printf("请输入你要查找的书名:"); fflush(stdin); scanf("%s",bookname); flag=0; fp=fopen("book.txt","r"); for(i=0;fread(&bk[i],sizeof(struct book),1,fp)!=0;i++) { if(strcmp(bookname,bk[i].book_name) == 0) { printf("/--------------%d------------------/\n",i+1); printf("书号:%d\n",bk[i].book_num); printf("书名:%s\n",bk[i].book_name); printf("作者:%s\n",bk[i].book_writer); printf("单价:%.2f\n",bk[i].book_price); printf("书社:%s\n",bk[i].book_press); printf("数量:%d\n",bk[i].book_lastnum); printf("频率:%d\n",bk[i].book_frequency); printf("/--------------%d------------------/\n",i+1); flag=1; break; } } fclose(fp); if (flag == 0) { printf("抱歉无此书!\n"); } printf("若还想查书可以按y；其他任意键退出\n"); } while (getch() == 'y');}void BorrowBook(){ FILE *fp1,*fp2; int i,n=-1,flag; int stunum; do { Hello(); printf("书名:"); fflush(stdin); gets(recordbook[++n].book_name); flag=0; fp1=fopen("book.txt","r"); for(i=0;fread(&bk[i],sizeof(struct book),1,fp1)!=0;i++) { if(strcmp(bk[i].book_name,recordbook[n].book_name) == 0) { if(bk[i].book_lastnum == 0) { printf("已全部借出，按任意键返回\n"); fclose(fp1); getch(); break; } fclose(fp1); fp1=fopen("record.txt","a+");//记录借书信息 printf("请输您的学号:\n"); scanf("%d",&stunum); recordbook[n].book_user = stunum; fwrite(&recordbook[n],sizeof(struct student),1,fp1); fclose(fp1); fp1=fopen("book.txt","r"); fp2=fopen("book1.txt","w"); for(i=0;fread(&bk[i],sizeof(struct book),1,fp1)!=0;i++) { if(strcmp(bk[i].book_name,recordbook[n].book_name) == 0) { bk[i].book_lastnum -= 1; bk[i].book_frequency +=1; fwrite(&bk[i],sizeof(struct book),1,fp2); continue; } fwrite(&bk[i],sizeof(struct book),1,fp2); } fclose(fp1); fclose(fp2); fp1=fopen("book.txt","w"); fp2=fopen("book1.txt","r"); for(i=0;fread(&bk[i],sizeof(struct book),1,fp2)!=0;i++) { fwrite(&bk[i],sizeof(struct book),1,fp1); } fclose(fp1); fclose(fp2); fopen("book1.txt","w"); fclose(fp2); printf("借书成功，按任意键返回...\n"); getch(); flag = 1; break; } } if (flag == 0) { printf("此书不存在...\n"); fclose(fp1); } printf("若还想借书可以按y；其他任意键退出\n"); } while (getch() == 'y'); }void RerurnBook(){ FILE *fp,*fp1,*fp2; int i,flag=0; int stunum=0; char lendbook[20]; Hello(); printf("请输入学号:"); scanf("%d",&stunum); fp=fopen("student.txt","r"); for(i=0;fread(&stu[i],sizeof(struct student),1,fp)!=0;i++)//是否注册 { if(stu[i].stu_num == stunum)//寻找到学生信息 { flag = 1; } } if (flag == 0) { printf("您未注册...\n"); return; } do { flag = 0; printf("请输入你要还的书的名字:"); fflush(stdin); gets(lendbook); fp=fopen("record.txt","r"); for(i=0;fread(&recordbook[i],sizeof(struct student),1,fp)!=0;i++) /*判断是否是该用户借阅了输入的书*/ { if(strcmp(recordbook[i].book_name,lendbook)==0 && recordbook[i].book_user == stunum) { fclose(fp); fp1=fopen("record.txt","r"); fp2=fopen("book1.txt","w"); for(i=0;fread(&recordbook[i],sizeof(struct student),1,fp1)!=0;i++) { if(strcmp(recordbook[i].book_name,lendbook) != 0)//删除借阅信息 { fwrite(&recordbook[i],sizeof(struct student),1,fp2); } } fclose(fp1); fclose(fp2); fp1=fopen("record.txt","w"); fp2=fopen("book1.txt","r"); for(i=0;fread(&recordbook[i],sizeof(struct student),1,fp2)!=0;i++) { fwrite(&recordbook[i],sizeof(struct student),1,fp1); } fclose(fp1); fclose(fp2); fopen("book1.txt","w"); fclose(fp2); fp1=fopen("book.txt","r"); fp2=fopen("book1.txt","w"); for(i=0;fread(&bk[i],sizeof(struct book),1,fp1)!=0;i++) { if(bk[i].book_name == lendbook) { bk[i].book_lastnum += 1; //还回书籍 } fwrite(&bk[i],sizeof(struct book),1,fp2); } fclose(fp1); fclose(fp2); fp1=fopen("book.txt","w"); fp2=fopen("book1.txt","r"); for(i=0;fread(&bk[i],sizeof(struct book),1,fp2)!=0;i++) { fwrite(&bk[i],sizeof(struct book),1,fp1); } fclose(fp1); fclose(fp2); fopen("book1.txt","w"); fclose(fp2); printf("还书完毕，按任意键返回...\n"); getch(); flag=1; break; } } if (flag == 0) { printf("您未借此书...\n"); fclose(fp); } printf("若还想还书可以按y；其他任意键退出\n"); } while (getch() == 'y');}void ShowBook(){ int i,stunum; printf("请输入学号:"); scanf("%d",&stunum); FILE* fp = fopen("record.txt","r"); for(i=0;fread(&recordbook[i],sizeof(struct recordofbook),1,fp)!=0;i++) { if (recordbook[i].book_user == stunum) { printf("%s\n",recordbook[i].book_name); } } fclose(fp);}/*********************用户相关***************************/void DeleteUser(){ FILE *fp1,*fp2; int i; int stunum; do { Hello(); DisplayStu(); printf("学号:"); scanf("%d",&stunum); fp1 = fopen("student.txt","r"); fp2 = fopen("student1.txt","w"); for(i=0;fread(&stu[i],sizeof(struct student),1,fp1)!=0;i++) { if(stunum != stu[i].stu_num) { fwrite(&stu[i],sizeof(struct student),1,fp2); } } fclose(fp1); fclose(fp2); fp1 = fopen("student.txt","w"); fp2 = fopen("student1.txt","r"); for(i=0;fread(&stu[i],sizeof(struct student),1,fp2)!=0;i++) { fwrite(&stu[i],sizeof(struct student),1,fp1); } fclose(fp1); fclose(fp2); fp2 = fopen("student1.txt","w"); fclose(fp2); DisplayStu(); printf("删除成功，继续删除请输入'y'；其他键退出...\n"); } while (getch() == 'y');}int CheckStu( int stunum){ FILE *fp; int i; fp=fopen("student.txt","r"); for(i=0;fread(&stu[i],sizeof(struct student),1,fp)!=0;i++) { if(stu[i].stu_num == stunum) { fclose(fp); return 1; } } fclose(fp); return 0;}void ModifyUser(int AorU){ FILE *fp1,*fp2; int i,j,flag; int stunum; do { Hello(); if (AorU == 0) { DisplayStu(); } printf("学号:"); scanf("%d",&stunum); if (CheckStu(stunum) == 0) { printf("您所输入的学生不存在..."); break; } flag = 0; fp1 = fopen("student.txt","r"); fp2 = fopen("student1.txt","w"); for(i=0;fread(&stu[i],sizeof(struct student),1,fp1)!=0;i++) { if(stu[i].stu_num == stunum) { if (AorU == 1)//用户 { printf("密码:"); char temppassword[20]; fflush(stdin); gets(temppassword); if (strcmp(temppassword,stu[i].password) != 0) { printf("\n密码错误，不可修改...\n"); flag = 1; break; } } printf("以下是该学生信息：\n"); printf("学号:"); printf("%d\n",stu[i].stu_num); printf("密码:"); printf("%s\n",stu[i].password); printf("姓名:"); printf("%s\n",stu[i].stu_name); printf("性别:"); printf("%c\n",stu[i].stu_sex); printf("班级:"); printf("%d\n",stu[i].stu_class); printf("1: 修改学号:\n"); printf("2: 修改密码:\n"); printf("3: 修改姓名:\n"); printf("4: 修改性别:\n"); printf("5: 修改班级:\n"); printf("请输入1~5:\n"); switch(getch()) { case '1': { printf("新学号:"); scanf("%d",&stu[i].stu_num); fwrite(&stu[i],sizeof(struct student),1,fp2); break; } case '2': { printf("新密码:"); scanf("%s",stu[i].password); fwrite(&stu[i],sizeof(struct student),1,fp2); break; } case '3': { printf("新姓名:"); scanf("%s",stu[i].stu_name); fwrite(&stu[i],sizeof(struct student),1,fp2); break; } case '4': { printf("新性别:"); scanf("%c",&stu[i].stu_sex); fwrite(&stu[i],sizeof(struct student),1,fp2); break; } case '5': { printf("新班级:"); scanf("%d",&stu[i].stu_class); fwrite(&stu[i],sizeof(struct student),1,fp2); break; } default: { printf("没有这样的操作!\n"); break; } } break; } fwrite(&stu[i],sizeof(struct student),1,fp2); } if (flag == 0) { fclose(fp1); fclose(fp2); fp1=fopen("student.txt","w"); fp2=fopen("student1.txt","r"); for(i=0;fread(&stu[i],sizeof(struct student),1,fp2)!=0;i++) { fwrite(&stu[i],sizeof(struct student),1,fp1); } fclose(fp1); fp2=fopen("student1.txt","w"); fclose(fp2); if (AorU == 0) { DisplayStu(); } } printf("继续修改请输入'y'；其他键退出...\n"); } while (getch() == 'y');}void Enroll(){ Hello(); FILE *fp; fp = fopen("student.txt","a+"); printf("学号:"); scanf("%d",&stu[0].stu_num); printf("密码:"); int i=0; while(stu[0].password[i]=getch()) { if(stu[0].password[i] == 13 || stu[0].password[i] == 10) { break; } if(stu[0].password[i]!='\b') { printf("*"); i++; } else { if (i == 0) { continue; } printf("\b \b"); i--; } } stu[0].password[i]='\0'; fflush(stdin); printf("\n性别(m/w):"); scanf("%c",&stu[0].stu_sex); printf("名字:"); scanf("%s",stu[0].stu_name); printf("班级:"); scanf("%d",&stu[0].stu_class); fwrite(&stu[0],sizeof(struct student),1,fp); fclose(fp); printf("注册成功，请按任意键进行其他操作...\n"); getch();}void ManageStu(){ Hello(); DisplayStu(); printf("1:增加用户 \n"); printf("2:删除用户 \n"); printf("3:修改用户 \n"); printf("0:退出 \n"); printf("请输入0~3\n"); switch(getch()) { case '1': { Enroll(); break; } case '2': { DeleteUser(); break; } case '3': { ModifyUser(0); break; } default: return; }}int Password(int AorU, int stunum){ char p[20]; int i=0; printf("请输入密码:"); while(p[i]=getch()) { if(p[i] == 13 || p[i] == 10)//回车或换行 { break; } if(p[i]!='\b') { printf("*"); i++; } else { if (i == 0) { continue; } printf("\b \b"); i--; } } p[i]='\0'; if ( AorU == 0) { if(strcmp(p,password_admin) != 0) { printf("\n密码有误，请重新输入...\n"); return 0;//密码有误 } return 1; } FILE* fp; fp =fopen("student.txt","r"); for(i=0;fread(&stu[i],sizeof(struct student),1,fp)!=0;i++) { if(stu[i].stu_num == stunum) { if(strcmp(p,stu[i].password) == 0) { fclose(fp); return 1; } fclose(fp); printf("\n密码错误\n"); return 0; } } return 0;} void MyInformation()//学生信息管理。。。信息查看，修改{ FILE *fp; do { Hello(); printf("请选择：\n"); printf("查看：0；修改：1\n"); switch(getch()) { case '0': { int stunum; int i,flag; printf("请输入你的学号:"); scanf("%d",&stunum); flag=CheckStu(stunum); if (flag == 0) { printf("您未注册...\n"); return; } fp=fopen("student.txt","r"); for(i=0;fread(&stu[i],sizeof(struct student),1,fp)!=0;i++) { if(stu[i].stu_num == stunum) { printf(""); do { printf("密码:"); char tempnum[20]; scanf("%s",tempnum); if (strcmp(tempnum,stu[i].password) == 0) { printf("以下是您的信息：\n"); printf("学号:"); printf("%d\n",stu[i].stu_num); printf("密码:"); printf("%s\n",stu[i].password); printf("姓名:"); printf("%s\n",stu[i].stu_name); printf("性别:"); printf("%c\n",stu[i].stu_sex); printf("班级:"); printf("%d\n",stu[i].stu_class); break; } printf("密码错误，重输请按y...\n"); } while (getch() == 'y'); } } fclose(fp); break; } case '1': { ModifyUser(1); printf("修改完成...\n"); break; } default: printf("没有这样的操作...\n"); } printf("若还想查看或修改，可以按y；其他任意键退出\n"); }while (getch() == 'y');}void Users(){ Hello(); printf("请选择:\n"); printf("已注册：1；未注册：0\n"); char ch; do { printf(""); ch = getch(); } while (ch != '0' && ch != '1'); if (ch == '1') { Hello(); int stunum,flag; printf("请输入你的学号:"); scanf("%d",&stunum); flag = CheckStu(stunum); if (flag == 0) { printf("请先注册...\n"); return; } if (Password(1,stunum) == 0) { return; } } else { Enroll(); } do { Hello(); printf("1:查找图书 \n"); printf("2:借阅图书 \n"); printf("3:归还图书 \n"); printf("4:借书记录 \n"); printf("5:信息管理 \n"); printf("0:退出 \n"); printf("请输入0~5:\n"); fflush(stdin); switch(getch()) { case '1': { FindBook(); break; } case '2': { BorrowBook(); break; } case '3': { RerurnBook(); break; } case '4': { ShowBook(); break; } case '5': { MyInformation(); break; } case '0': { return; } default:printf("请输入0~5\n"); } printf("\n有其他操作请按y\n"); fflush(stdin); } while (getch() == 'y'); printf("");}void Admin(){ do { Hello(); if (Password(0,0) == 1) { break; } printf("\n按任意键继续..."); } while (getch()); do { Hello(); printf("1:增加图书 \n"); printf("2:删除图书 \n"); printf("3:修改图书 \n"); printf("4:图书统计 \n"); printf("5:学生管理 \n"); printf("0:退出 \n"); printf("请输入0~5:\n"); switch(getch()) { case '1': { AddBook(); break; } case '2': { DeleteBook(); break; } case '3': { ModifyBook(); break; } case '4': { CountBook(); break; } case '5': { ManageStu(); break; } case '0': { return; } default:printf("请输入0~5:\n"); } printf("\n有其他操作请按y\n"); } while (getch() == 'y'); printf("谢谢使用...\n");}void main(){ Hello(); printf("请选择:\n"); printf("Admin：0；User:1：\n"); char ch; do { printf(""); ch = getch(); } while (ch != '0' && ch != '1'); if (ch == '1') { Users(); } else { Admin(); }} 1 0
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