文章标题

菜鸟C语言作业

图书管理系统

大一的图书管理系统作业，最后不怎么好用，有几个地方出错了，上传一下，做个见证。#include<stdio.h>#include<string.h>#include<conio.h>#include<stdlib.h>#include<ctype.h>#define STACK_INIT_SIZE 10#define OK 1#define TRUE 1#define ERROR 0/*定义学生类型，用于存放借出的书籍*/struct student {int carnum;char lendbook[10];}student[1000]; /*定义书的类型*/struct book{int booknum;char bookname[30];float bookprice;char bookcreat[30];int turefalse; /*用于借书和还书模块判断一本书是否借出的条件*/}book[1000];/*借书卡的数据类型*/struct car{int carnum;char sex[5];char studentname[20];int studentclass;}car[1000];/*查询图书信息模块*//*(1)按书名查找*/int findbook(){FILE *fp;char bookname[10];int i;fp=fopen("book.txt","r");printf("请输入你要查找的书名:\n");scanf("%s",bookname);for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++){   if(strcmp(bookname,book[i].bookname)==0)   {    if(book[i].turefalse==1)    {printf(" 书号      书名      作者 \n %d      %s     %s \n",book[i].booknum,book[i].bookname,book[i].bookcreat);printf("此书现在无人借阅\n按任意键返回\n"); }    else {printf("这本书已经有人借出\n");fclose(fp);return 0;}    fclose(fp);    return 0;   }}printf("抱歉无此书!\n");fclose(fp);return 0;}/*(2)按作者查找*/findbook1(){FILE *fp;char bookcreat[10];int i;fp=fopen("book.txt","r");printf("请输入作者名:\n");scanf("%s",bookcreat);for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++){   if(strcmp(bookcreat,book[i].bookcreat)==0)   {    if(book[i].turefalse==1)    {     printf(" 书号  书名  作者 \n %d    %s    %s \n",book[i].booknum,book[i].bookname,book[i].bookcreat);    printf("此书现在无人借阅\n按任意键返回\n");    }else {printf("此书已借出!\n");fclose(fp);return 0;    }    fclose(fp);    return 0;   }}printf("没有此书籍\n");fclose(fp);return 0;}chabook()/*查找图书主模块 */{char ch5;do{printf("！！！欢迎进入图书查询系统！！！\n");printf(" 1: 按书名查找 \n");printf(" 2: 按作者查找 \n");printf(" 0: 返回 \n");printf("请输入0━2:\n");ch5=getch();switch(ch5)   {    case '1':findbook();getch();break;    case '2':findbook1();getch();break;    case '0':break;    default:printf("无此操作!\n");getch();break;   }}while(ch5!='0');return 0;}/*借书与还书模块*//*(1).借书模块*/lendbook(){FILE *fp,*fp2;int i,n;int carnum;system("cls");printf("\t\t*****欢迎进入借书系统*****\n\n");printf("请输入借书人的:\n卡号:\n");scanf("%d",&carnum);fp=fopen("car.txt","r");for(i=0;fread(&car[i],sizeof(struct car),1,fp)!=0;i++){   if(car[i].carnum==carnum)   {    n=i;    fclose(fp);    printf("书名:\n");    scanf("%s",student[n].lendbook);    fp=fopen("book.txt","r");    for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++)    {     if(strcmp(book[i].bookname,student[n].lendbook)==0)     {      if(book[i].turefalse==0) {printf("对不起，此书有人借出，请借其他书\n");fclose(fp);getch();return 0;}      else      fclose(fp);      fp=fopen("record.txt","a+");      student[n].carnum=carnum;      fwrite(&student[n],sizeof(struct student),1,fp);      fclose(fp);      fp=fopen("book.txt","r");      fp2=fopen("bookl.txt","w");      for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++)      {       if(strcmp(book[i].bookname,student[n].lendbook)==0)       {        book[i].turefalse=0;        fwrite(&book[i],sizeof(struct book),1,fp2);        continue;       }       fwrite(&book[i],sizeof(struct book),1,fp2);      }      fclose(fp);      fclose(fp2);      fp=fopen("book.txt","w");      fp2=fopen("bookl.txt","r");      for(i=0;fread(&book[i],sizeof(struct book),1,fp2)!=0;i++)      {       fwrite(&book[i],sizeof(struct book),1,fp);      }      fclose(fp);      fclose(fp2);      fopen("bookl.txt","w");      fclose(fp2);      printf("借书完毕，按任意键返回...\n");      getch();      return 0;     }    }    printf("不存在这样的书，任意键返回...\n");    fclose(fp);    getch();    return 0;   }}printf("你的卡号不存在，请申请新卡,按任意键返回...\n");fclose(fp);getch();return 0;}/*(2).还书函数*/huanbook(){FILE *fp,*fp2; /*定义两个文件指针，fp2用于修改数据时设立临时文件用，防止数据遭破坏*/int i,n;int carnum;char lendbook[10];system("cls");printf("\t\t@@@@欢迎进入还书界面@@@@");printf("\n请你输入你的\n卡号:\n");scanf("%d",&carnum);fp=fopen("car.txt","r"); /*读取卡号记录*/for(i=0;fread(&car[i],sizeof(struct car),1,fp)!=0;i++) /*for循环判断卡号是否存在*/{   if(car[i].carnum==carnum) /*卡号存在，进入下一循环*/   {    n=i;    fclose(fp);    printf("请输入你要还的书的名字:\n");    scanf("%s",lendbook);    fp=fopen("record.txt","r");    for(i=0;fread(&student[i],sizeof(struct student),1,fp)!=0;i++) /*判断是否借阅了输入的书*/    {     if(strcmp(student[i].lendbook,lendbook)==0) /*借阅了该书，进入下一循环，否则出错显示*/     {      fclose(fp);      fp=fopen("record.txt","r");      fp2=fopen("bookl.txt","w");      for(i=0;fread(&student[i],sizeof(struct student),1,fp)!=0;i++)      {       if(strcmp(student[i].lendbook,lendbook)==0)       {        continue; /*删除还掉的书的借书记录*/       }       fwrite(&student[i],sizeof(struct student),1,fp2); /*写入原来没还的书的记录*/      }      fclose(fp);      fclose(fp2);      fp=fopen("record.txt","w");      fp2=fopen("bookl.txt","r");      for(i=0;fread(&student[i],sizeof(struct student),1,fp2)!=0;i++)       {        fwrite(&student[i],sizeof(struct student),1,fp); /*将借书记录信息写回*/       }      fclose(fp);      fclose(fp2);      fopen("bookl.txt","w"); /*清临时文件的记录*/      fclose(fp2);      fp=fopen("book.txt","r");      fp2=fopen("bookl.txt","w");      for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++) /*将书的记录写入临时文件，防止因为修改信息破坏以前的记录*/      {       if(i==n)       {        book[i].turefalse=1;        fwrite(&book[i],sizeof(struct book),1,fp2); /*将还的书的原来状态设为无人借阅的*/        continue;       }       fwrite(&book[i],sizeof(struct book),1,fp2);      }      fclose(fp);      fclose(fp2);      fp=fopen("book.txt","w");      fp2=fopen("bookl.txt","r");      for(i=0;fread(&book[i],sizeof(struct book),1,fp2)!=0;i++)      {       fwrite(&book[i],sizeof(struct book),1,fp); /*将临时文件写回*/      }      fclose(fp);      fclose(fp2);      fopen("bookl.txt","w"); /*清临时文件*/      fclose(fp2);      printf("还书完毕，按任意键返回...\n");      getch();      return 1;     }    }    printf("你没有借这样的书，任意键返回...\n"); /*出错提示*/    fclose(fp);    getch();    return 0;   }}printf("没这样的卡，和管理员联系,按任意键返回...\n"); /*出错提示*/fclose(fp);getch();return 0;}/*(3).借书统计*/lendcount(){FILE *fp;int i,n=0;fp=fopen("record.txt","r");for(i=0;fread(&student[i],sizeof(struct student),1,fp)!=0;i++){   printf("卡号      借出的书籍     \n");   printf("%d       %s \n",student[i].carnum,student[i].lendbook);   n=n+1;}fclose(fp);printf("目前共有%d本书借出\n",n);printf("按任意键...\n");getch();return n;}/*会员卡管理模块*//*(1).增加会员卡*/void addcar(){FILE *fp;int i=0;fp=fopen("car.txt","a+");printf("卡号:\n");scanf("%d",&car[i].carnum);printf("性别:\n");scanf("%s",car[i].sex);printf("姓名:\n");scanf("%s",car[i].studentname);printf("班级:\n");scanf("%d",&car[i].studentclass);fwrite(&car[i],sizeof(struct car),1,fp);fclose(fp);printf("输入完毕，任意键返回...\n");getch();}/*(2).删除会员卡*/delcar(){FILE *fp,*fp2;int i;int carnum;char choice;fp=fopen("car.txt","r");fp2=fopen("bookl.txt","w");printf("要删除的卡号(不存在则不作改动):\n");scanf("%d",&carnum);for(i=0;fread(&car[i],sizeof(struct car),1,fp)!=0;i++){   if(car[i].carnum!=carnum)   {    fwrite(&car[i],sizeof(struct car),1,fp2);   }}fclose(fp);fclose(fp2);printf("确认删除?(Y/N)!\n");scanf("%s",&choice);if(choice=='y'||choice=='Y'){   fp=fopen("car.txt","w");   fp2=fopen("bookl.txt","r");   for(i=0;fread(&car[i],sizeof(struct car),1,fp2)!=0;i++)   {    fwrite(&car[i],sizeof(struct car),1,fp);   }   fclose(fp);   fclose(fp2);   fp2=fopen("bookl.txt","w");   fclose(fp2);   printf("操作成功!\n按任意键返回...\n");   getch();   return 0;}else{   printf("操作已取消!\n按任意键返回...\n");   getch();   return 0;}}/*(3).会员卡统计*/carcount(){FILE *fp;int i,n=0;fp=fopen("car.txt","r");for(i=0;fread(&car[i],sizeof(struct car),1,fp)!=0;i++){   printf("第%d张卡 \n",i+1);   printf("卡号          性别        姓名   班级   \n");printf("  %d    %5s    %10s   %3d\n\n",car[i].carnum,car[i].sex,car[i].studentname,car[i].studentclass);   n=n+1;}fclose(fp);printf("目前共有%d个会员。\n",n);printf("按任意键返回...\n");getch();}/*图书管理模块*//*(1).增加图书信息*/addbook(){FILE *fp;int i=0;char choice='y';fp=fopen("book.txt","a+");while(choice=='y'||choice=='Y'){   printf("书号:\n");   scanf("%d",&book[i].booknum);   printf("书名:\n");   scanf("%s",book[i].bookname);   printf("作者:\n");   scanf("%s",book[i].bookcreat);   printf("单价:\n");   scanf("%f",&book[i].bookprice);   printf("请你设定书的状态(1在架/0不在):\n");   scanf("%d",&book[i].turefalse);   fwrite(&book[i],sizeof(struct book),1,fp);   printf("是否要输入下本书(y/n)\n");   fflush(stdin);   scanf("%c",&choice);}fclose(fp);}/*(2).删除图书信息*/delbook(){FILE *fp,*fp2;int i;char bookname[10],choice;fp=fopen("book.txt","r");fp2=fopen("bookl.txt","w");printf("书名:\n");scanf("%s",bookname);for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++){   if(strcmp(bookname,book[i].bookname)!=0)   {    fwrite(&book[i],sizeof(struct book),1,fp2);   }}fclose(fp);fclose(fp2);printf("确认删除(y/n)?\n");scanf("%s",&choice);if(choice=='y'||choice=='Y'){   fp=fopen("book.txt","w");   fp2=fopen("bookl.txt","r");   for(i=0;fread(&book[i],sizeof(struct book),1,fp2)!=0;i++)   {    fwrite(&book[i],sizeof(struct book),1,fp);   }   fclose(fp);   fclose(fp2);   fp2=fopen("bookl.txt","w");   fclose(fp2);   printf("按任意键返回...\n");   getch();   return 0;}else{   printf("按任意键返回...\n");   getch();   return 0;}}/*(3)修改图书*/changebook(){FILE *fp,*fp2;char bookname[10],choice;int i;fp=fopen("book.txt","r");fp2=fopen("bookl.txt","w");printf("书名:\n");scanf("%s",bookname);for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++){   if(strcmp(book[i].bookname,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("序号       书名\t作者\t价格\n");    printf("%d         %s\t%s\t%.2f\n",book[i].booknum,book[i].bookname,book[i].bookcreat,book[i].bookprice);    do    {    printf("1: 修改书号:\n");    printf("2: 修改书名:\n");    printf("3: 修改作者:\n");    printf("4: 修改单价:\n");    printf("0: 退出修改\n");    printf("请输入0━4:\n");    choice=getch();    switch(choice)    {     case '1':     {      printf("新书号:\n");      scanf("%d",&book[i].booknum);      fwrite(&book[i],sizeof(struct book),1,fp2);     }break;     case '2':     {      printf("新书名:\n");      scanf("%s",book[i].bookname);      fwrite(&book[i],sizeof(struct book),1,fp2);     }break;     case '3':     {      printf("新的作者:\n");      scanf("%s",book[i].bookcreat);      fwrite(&book[i],sizeof(struct book),1,fp2);     }break;    case '4':        {            printf("请输入新的价格:\n");            scanf("%f",&book[i].bookprice);            fwrite(&book[i],sizeof(struct book),1,fp2);            break;        }    case '0':        break;    default:printf("没有这样的操作!\n");getch();break;    }   }while(choice!='0');   }   else    fwrite(&book[i],sizeof(struct book),1,fp2);//将book中的数据保存到book1中进行保存修改}fclose(fp);fclose(fp2);fp=fopen("book.txt","w");fp2=fopen("bookl.txt","r");for(i=0;fread(&book[i],sizeof(struct book),1,fp2)!=0;i++){   fwrite(&book[i],sizeof(struct book),1,fp);}//将book1中的数据复制到book中fclose(fp);fp2=fopen("bookl.txt","w");//清除book1中的数据fclose(fp2);printf("按任意键返回...\n");getchar();return 0;}/*(4).图书统计*/bookcount(){FILE *fp;int i,n=0;fp=fopen("book.txt","r");for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++){  if(book[i].booknum!=0&&strlen(book[i].bookname)!=0&&strlen(book[i].bookcreat)!=0)   {    printf("第%d本书\n序号           书名               作者       单价    状态 \n",i+1);    printf(" %d       %10s    ",book[i].booknum,book[i].bookname);    printf("%15s      %4.2f    %d(1在/0不在)\n",book[i].bookcreat,book[i].bookprice,book[i].turefalse);    n=n+1;   }}fclose(fp);printf("目前共有%d本书.\n",n);printf("按任意键返回...\n");}/*结束界面函数*/end(){   system("cls");printf("\t\t********************************\n");printf("\t\t********************************\n");printf("\t\t**** 谢谢使用本系统 , 再见! ****\n");printf("\t\t********************************\n");printf("\t\t********************************\n");}/*主函数*/main(){char ch1,ch2,ch4;do{      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");       printf(" 请选择:\n");       printf(" 1:查阅图书 \n");       printf(" 2:借阅图书 \n");       printf(" 3:管理系统 \n");       printf(" 4:还书 \n");       printf(" 0:退出 \n");       printf("请输入0━4:\n");       ch1=getch();       switch(ch1)       {        case '1':chabook();break;        case '2':lendbook();;break;        case '3':{           do           {            system("cls");            printf("\t\t*******欢迎进入管理系统*******\n");            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:会员管理系统 \n");            printf(" 0:返回 \n");            printf("请输入0━5:\n");             ch2=getch();            switch(ch2)            {             case '1':addbook();             break;             case '2':delbook();getch();break;             case '3':changebook();getch();break;             case '4':bookcount();getch();break;             case '5':{                do                {                system("cls");                printf("\t\t欢迎进入学生管理系统\n");                printf(" 1: 申请新卡 \n");                printf(" 2: 删除卡号 \n");                printf(" 3: 借书统计 \n");                printf(" 4: 卡号统计 \n");                printf(" 0: 返回 \n");                printf("请输入0━4:\n");                 ch4=getch();                switch(ch4)                 {                  case '1':addcar();break;                  case '2':delcar();break;                  case '3':lendcount();break;                  case '4':carcount();break;                  case '0':break;                  default:printf("无此操作!\n");getch();break;                 }                }while(ch4!='0');}break;                case '0':break;                default:printf("无此操作!\n");getch();break;               }            }            while(ch2!='0');}break;            case '4':huanbook();break;            case '0':break;            default:printf("无此操作!\n");getch();break;       }    }while(ch1!='0');}