图书管理系统c语言图书管理系统c语言课程设计代码

2025-02-08 09:57 信息互动

求图书管理系统C语言或C++

/shi fou bo fang dong hua?/

#include

图书管理系统c语言图书管理系统c语言课程设计代码

#include

#define STACK_INIT_SIZE 10

#define OK 1

#define TRUE 1

#define FALSE 0

#define ERROR 0

struct student /定义学生类型，用于存放借出的书籍/

{int carnum;

char lendbook[10];

}student[1000];

struct employ /定义职工类型/

{int employnum;

char employname[15];

int employage;

char employ[2];

char employl[10];

long int employtage;

}employ[50];

struct book /定义书的类型/

char bookname[10];

char bookcreat[10];

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];

struct car /借书卡的数据类型/

{int carnum;

char studentname[10];

int studentclass;

}car[100];

huanbook() /还书函数/

int i,n;

int carnum;

char lendbook[10];

printf("请你输入你的n");

scanf("%d",&carnum);

fp=fopen("car.txt","r"); /读取记录/

for(i=0;fread(&car[i],sizeof(struct car),1,fp)!=0;i++) /for循环判断是否存在/

{if(car[i].carnum==carnum) /存在，进入下一循环/

{n=i;

printf("请输入你要还的书的名字n");

scanf("%s",lendbook);

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);

fp2=fopen("bookl.tx{LIB head=p,q;t","w");

for(i=0;fread(&student[i],sizeof(struct student),1,fp)!=0;i++)

{if(strcmp(student[i].lendbook,lendbook)==0)

{continue; /删除还掉的书的借录/

}fwrite(&student[i],sizeof(struct student),1,fp2); /写入原来没还的书的记录/

}fclose(fp);

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); /将借录信息写回/

}fclose(fp);

fopen("bookl.txt","w"); /清临时文件的记录/

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);

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);

fopen("bookl.txt","w"); /清临时文件/

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/

getch();

return 0;

}}

printf("系统没这样的卡，和联系,按任意键返回n"); /出错提示/

getch();

}findbook()

{FILE fp;

char bookname[10];

int ture,i;

fp=fopen("book.txt","r");

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)

}else {printf("这本书已经有人借出n");fclose(fp);return 0;}

return FALSE;

}}

printf("没有你要查询的书籍n");

return FALSE;

}findbook1()

{FILE fp;

char bookcreat[10];

int ture,i;

fp=fopen("book.txt","r");

printf("请输入你要查找的作者名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)

}else {printf("这本书已经有人借出n");fclose(fp);return 0;}

return FALSE;

}}

printf("没有你要查询的书籍n");

return FALSE;

}lendcount()

{FILE fp;

int i,n=0;

for(i=0;fread(&student[i],sizeof(struct student),1,fp)!=0;i++)

{printf("：%d 借出的书籍：%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;

}chabook()

{char ch5;

{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,其他输入非法！n");

scanf("%s",&ch5);

switch(ch5)

{case '1':findbook();getch();break;

case '2':findbook1();getch();break;

case '0':break;

}}while(ch5!='0');

return FALSE;

}lendbook()

{FILE fp,fp2;

int i,n;

int carnum;

printf("请你输入你的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;

printf("请输入你要借阅的书的名字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;}

else

fp=fopen("record.txt","a+");

student[n].carnum=carnum;

fwrite(&student[n],sizeof(struct student),1,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);

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);

fopen("bookl.txt","w");

printf("借书完毕，按任意键返回n");

getch();

return;

}}

printf("不存在这样的书，任意键返回n");

getch();

return;

}}

printf("你的不存在，请申请新卡,按任意键返回n");

getch();

}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<：%d 姓名：%s 班级：%d>n",i+1,car[i].carnum,car[i].studentname,car[i].studentclass);

n=n+1;

}fclose(fp);

printf("目前共有%d本书n",n);

printf("按任意键n");

getch();

}delcar()

{FILE fp,fp2;

int i;

int carnum;

char cho;

fp=fopen("car.txt","r");

fp2=fopen("bookl.txt","w");

printf("请输入你要删除的n");

printf("如果你输入的存在，系统自动删除该信息！如果不存在，系统不做任何改动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);

}}

printf("是否真的要删除该卡？删除后该书籍的所有信息将无法恢复《Y/N》n");

scanf("%s",&cho);

if(cho=='y'||cho=='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);

fp2=fopen("bookl.txt","w");

printf("按任意键返回n");

getch();

return;

}else

{printf("按任意键返回n");

getch();

return;

}}

addcar()

{FILE fp;

int i=0;

fp=fopen("car.txt","a+");

printf("请你输入n");

scanf("%d",&car[i].carnum);

printf("请你输入学生姓名n");

scanf("%s",car[i].studentname);

printf("请你输入班级n");

scanf("%d",&car[i].studentclass);

fwrite(&car[i],sizeof(struct car),1,fp);

printf("输入完毕，任意键返回n");

getch();

}

我是大一新生，刚上完上半个学期，速求C语言，简单编写，图书管理系统，1、图书查看void look{}

fp=fopen("record.txt","r");

#include

char menu()

{char c[1];

printf("--------------------------------------------------------------n");

printf ("1 Input the book's rmation.n");

printf ("2 Input the book's number,display it's rmation.n");

printf ("3 Give a key word,displayn");

printf ("4 Give the pressn");

printf ("5 Inquire the book according to the name and authorn");

printf ("6 Delete a book rmationn");

printf ("7 Offer some rmatiaon");

printf ("8 exitn");

printf("--------------------------------------------------------------nn");

printf (" please choose a number:");

scanf("%s",&c);

return c;

}struct book

{char num[10];

char name[20];

char author[10];

char publish[10];

char time[10];

char kind[5];

char rmation[10];

};

struct book bo[3];

void c1()

e=0;

wint seflag=0;hile(e<=2)

{printf("Please input the number:");

scanf("%s",bo[e].num);

printf("Please input the name:");

scanf("%s",bo[e].name);

printf("Please input the author:");

scanf("%s",bo[e].author);

printf("Please input the publish:");

scanf("%s",bo[e].publish);

printf("Please input the publish time:");

scanf("%s",bo[e].time);

printf("Please input the kind,a or b:");

scanf("%s",bo[e].kind);

printf("Please input the rmation");

scanf("%s",bo[e].rmation);

printf("nnum:%sn",bo[e].num);

printf("name:%sn",bo[e].name);

printf("author:%sn",bo[e].author);

printf("publish:%sn",bo[e].publish);

printf("time:%sn",bo[e].time);

printf("kind:%sn",bo[e].kind);

printf("rmation:%sn",bo[e].rmation);

e++;

}}

void c2()

{char getnum[20];

int i;

printf("nPlease input book ID");

scanf("%s",&getnum);

for(i=0;i<=2;i++)

{if(strcmp(getnum,bo[i].num)==0)

{printf("nnum:%sn",&bo[i].num);

printf("name:%sn",&bo[i].name);

printf("author:%sn",&bo[i].author);

printf("publish:%sn",&bo[i].publish);

printf("time:%sn",&bo[i].time);

printf("kind:%sn",&bo[i].kind);

printf("rmation:%sn",&bo[i].rmation);

}}

}void c3()

{int x;

char y[20];

int rtncode;

printf("nPlease input the key word:");

scanf("%s",&y);

for(x=0;x<=2;x++);

{rtncode = strpbrk(y,bo[x].name);

printf("check is :%d",rtncode);

if(rtncode > 0 )

{printf("nnum:%sn",bo[x].num);

printf("name:%sn",bo[x].name);

printf("author:%sn",bo[x].author);

printf("publish:%sn",bo[x].publish);

printf("time:%sn",bo[x].time);

printf("kind:%sn",bo[x].kind);

printf("rmation:%sn",bo[x].rmation);

}}

}void c4()

{char getpublish[20];

int m;

printf("nPlease input the publish");

scanf("%s",&getpublish);

for(m=0;m<=2;m++)

{if(strcmp(getpublish,bo[m].publish)==0)

{printf("nnum:%sn",&bo[m].num);

printf("name:%sn",&bo[m].name);

printf("author:%sn",&bo[m].author);

printf("publish:%sn",&bo[m].publish);

printf("time:%sn",&bo[m].time);

printf("kind:%sn",&bo[m].kind);

printf("rmation:%sn",&bo[m].rmation);

}}

}void c5()

{char getx[20];

int l;

printf("nPlease input book name or author");

scanf("%s",&getx);

for( l=0 ; l<=2 ; l++ )

{if(strcmp(getx,bo[l].name)==0)

{printf("nnum:%sn",&bo[l].num);

printf("name:%sn",&bo[l].name);

printf("author:%sn",&bo[l].author);

printf("publish:%sn",&bo[l].publish);

printf("time:%sn",&bo[l].time);

printf("kind:%sn",&bo[l].kind);

printf("rmation:%sn",&bo[l].rmation);

}else if(strcmp(getx,bo[l].author)==0)

{printf("nnum:%sn",&bo[l].num);

printf("%name:%sn",&bo[l].name);

printf("%author:%sn",&bo[l].author);

printf("%publish:%sn",&bo[l].publish);

printf("time:%sn",&bo[l].time);

printf("kind:%sn",&bo[l].kind);

printf("%rmation:%sn",&bo[l].rmation);

}}

}void c6()

{int n;

printf("/nPlease input the num which you want to delete:");

scanf("%d",&n);

strcpy(bo[n].num,"0");

strcpy(bo[n].name,"0");

strcpy(bo[n].author,"0");

strcpy(bo[n].publish,"0");

strcpy(bo[n].time,"0");

strcpy(bo[n].kind,"0");

strcpy(bo[n].rmation,"0");

}void c7()

{int c,d,e;

d=0;

e=0;

for ( c=0 ; c<=2 ; c++)

{if(strcmp("a",bo[c].kind)==0)

d++;

else if(strcmp("b",bo[c].kind)==0)

e++;

}printf("The number of kind a:%d",d);

printf("The number of kind b:%d",e);

}main()

{ char d;

{d=menu();

if(d=='8')break;

switch (d)

{case '1':c1();break;

case '2':c2();break;

case '3':c3();break;

case '4':c4();break;

case '5':c5();break;

case '6':c6();break;

case '7':c7();break;

default:printf("errorn");

}}while(1);

}可以把名字改改

图书信息管理系统设计C语言，高分加急！

{rr=rr->next;} /指针移至总分比p所指的的总分小的位置/

#include"stdio.h"

#include"conio.h"

#include"string.h"

#include"stdlib.h"

void look(); /声明查看函数/

void se(); /声明保存函数/

void search_name(); /声明按姓名查看函数/

void search_number(); /声明按学号查看函数/

void order(); /声明排序函数/

void del(); /声明删除函数/

int openl(); /声明打开函数/

void welcome(); /声明我的个人信息函数/

void type(); /声明输入函数/

void see(); /声明打开并查看文件函数/

struct student /定义学生信息的结构体类型/

{char num[15]; /学号/

char name[20]; /姓名/

char [4]; /性别/

int english; /英语成绩/

int math; /数学成绩/

int chinese; /语文成绩/

float er; /平均成绩/

float sum; /总成绩/

}stu[100];

int n; /声明一个全局变量/

void main() /主函数即用户的作界面/

{("color 1E"); /设计文本颜色/

int b,flag=0; /声明局部变量/

while(1) /循环输出以下信息/

{printf("

ttt欢迎来到学生成绩管理系统!

");

printf("

tttt ###制作

");

printf("ttt-------------------------------

");

printf("ttt1.键入学生的信息

"); /键入学生的信息/

printf("ttt2.查看录入的学生信息

"); /查看录入的学生信息/

printf("ttt3.按姓名查看学生的信息

"); /按姓名查看学生的信息/

printf("ttt4.按学号查看学生的信息

"); /按学号查看学生的信息/

printf("ttt5.按平均成绩排序

"); /排序/

printf("ttt6.删除学生信息

"); /删除学生信息/

printf("ttt7.保存学生信息

"); /保存/

printf("ttt8.打开文件

"); /打开文件/

printf("ttt9.我的个人信息

"void Init()/初始化/); /我的个人信息/

printf("ttt0.退出

"); /退出/

printf("ttt请输入你的选择:");

scanf("%d",&b);

switch(b)

{case 1:type();break; /调用键入学生信息函

用c语言写图书馆管理系统

你不觉得给的悬赏少了点么

新建一个下面的文件讲这个文件和下面的代码放在一个目录下表示你的图书数据库信息

lib.txt

1001 1

1 0

c primier

1003 1

1 0

c primier

1002 2

1 0

c++ primier

代码

#include

#include//定义bool类型

#include

typedef struct book book;

struct book{

int bid;//书的id

int cid;//category id 所属的书的类别id

char bname[30];

int state;//书的state 0 已借出 1代表还未借出

int stdid;//借书人id 如果未借出则此项为0

};

//booklist

book lib[100];

int len=0;

//书的类别五类

int category[5]={0};

void init_lib()//讲lib.txt存储的图书馆信息读入内存

{FILE fin=fopen("lib.txt","r");

if(!fin)

{printf("openfile error!n");

exit(1);

}len=0;

while(!feof(fin))

{fscanf(fin,"%d %d",&lib[len].bid,&lib[len].cid);

fscanf(fin,"%d %d",&lib[len].state,&lib[len].stdid);

fgetc(fin);

fgets(lib[len].bname,28,fin);

lib[len].bname[strlen(lib[len].bname)-1]='0';//去除n

category[lib[len].cid]++;

len++;

}fclose(fin);

}void libprint()//输出图书信息

{int i;

for(i=0;i

{printf("书名:%sn编号：%d n书目前的所属人(0代表图书馆):%d n同类别图书共有：%dn",lib[i].bname,lib[i].bid,lib[i].stdid,category[lib[i].cid]);

printf("-------------------------------------------------------------------------n");

//printf("%d %dn%d %dn%s",lib[i].bid,lib[i].cid,lib[i].state,lib[i].stdid,lib[i].bname);

}}

bool borrowbook(int bookid,int stdid)//借书

{int i;

for(i=0;i

{if(bookid==lib[i].bid&&lib[i].state==1)

{lib[i].state=0;

category[lib[i].cid]--;

lib[i].stdid=stdid;

return 1;

}else

return 0;

}return 0;

}bool returnbook(int bookid,int stdid)//还书

{int i=0;

for(i=0;i

{if(bookid==lib[i].bid&&lib[i].state==0&&lib[i].stdid==stdid)

{lib[i].state=1;

lib[i].stdid=0;

category[lib[i].cid]++;

return 1;

}}

return 0;

}void selib()//将内存的数据写入lib.txt存储起来

{FILE fout=fopen("lib.txt","w");

if(!fout)

{printf("写入失败！n");

exit(0);

}int i;

for(i=0;i

{fprintf(fout,"%d %dn%d %dn%sn",lib[i].bid,lib[i].cid,lib[i].state,lib[i].stdid,lib[i].bname);

}fclose(fout);

printf("成功写入数据库文件！n");

}int main(void)

{int cho,stdid,bookid;

init_lib();//数据读入内存

while(1)

{cho=0;

printf("图书馆管理系统n");

printf("---------------n");

printf("1-将每本书信息输出n");

printf("2-借书 n");

printf("3-还书 n");

printf("4-se n");

printf("5-exit without sen");

printf("---------------------------n");

scanf("%d",&cho);

printf("---------------------------n");

if(cho<1||cho>5)

{printf("检查你的输入！（1,2,3,4,5）n");

continue;

}if(cho==1)

libprint();

if(cho==2)

{printf("输入你要借的书的id和你的studentid(以空格分隔):n");

scanf("%d %d",&bookid,&stdid);

if(borrowbook(bookid,stdid))

printf("成功借出！n");

eint flag=0,b,length;lse

printf("借出错误n");

}if(cho==3)

{printf("输入你要还的书的id和你的studentid(以空格分隔):n");

scanf("%d %d",&bookid,&stdid);

if(returnbook(bookid,stdid))

printf("成功还书n"case '2':);

else

printf("还书错误n");

}if(cho==4)

{selib();

}if(cho==5)

exit(0);

}return 0;

}

[急求] 图书借阅管理系统 C语言代码

fclose(fp);

#include

#define STACK_INIT_SIZE 10

#define OK 1

#define TRUE 1

#define FALSE 0

#define ERROR 0

struct student /定义学生类型，用于存放借出的书籍/

{int carnum;

char lendbook[10];

}student[1000];

struct employ /定义职工类型/

{int employnum;

char employname[15];

int employage;

char employ[2];

char employl[10];

long int employtage;

}employ[50];

struct book /定义书的类型/

char bookname[10];

char bookcreat[10];

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];

struct car /借书卡的数据类型/

{int carnum;

char studentname[10];

int studentclass;

}car[100];

huanbook() /还书函数/

int i,n;

int carnum;

char lendbook[10];

printf("请你输入你的n");

scanf("%d",&carnum);

fp=fopen("car.txt","r"); /读取记录/

for(i=0;fread(&car[i],sizeof(struct car),1,fp)!=0;i++) /for循环判断是否存在/

{if(car[i].carnum==carnum) /存在，进入下一循环/

{n=i;

printf("请输入你要还的书的名字n");

scanf("%s",lendbook);

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);

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; /删除还掉的书的借录/

}fwrite(&student[i],sizeof(struct student),1,fp2); /写入原来没还的书的记录/

}fclose(fp);

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); /将借录信息写回/

}fclose(fp);

fopen("bookl.txt","w"); /清临时文件的记录/

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);

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);

fopen("bookl.txt","w"); /清临时文件/

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/

getch();

return 0;

}}

printf("系统没这样的卡，和联系,按任意键返回n"); /出错提示/

getch();

}findbook()

{FILE fp;

char bookname[10];

int ture,i;

fp=fopen("book.txt","r");

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)

}else {printf("这本书已经有人借出n");fclose(fp);return 0;}

return FALSE;

}}

printf("没有你要查询的书籍n");

return FALSE;

}findbook1()

{FILE fp;

char bookcreat[10];

int ture,i;

fp=fopen("book.txt","r");

printf("请输入你要查找的作者名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)

}else {printf("这本书已经有人借出n");fclose(fp);return 0;}

return FALSE;

}}

printf("没有你要查询的书籍n");

return FALSE;

}lendcount()

{FILE fp;

int i,n=0;

for(i=0;fread(&student[i],sizeof(struct student),1,fp)!=0;i++)

{printf("：%d 借出的书籍：%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;

}chabook()

{char ch5;

{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,其他输入非法！n");

scanf("%s",&ch5);

switch(ch5)

{case '1':findbook();getch();break;

case '2':findbook1();getch();break;

case '0':break;

}}while(char bo_num[10],rea_num[10],lim_date[8];ch5!='0');

return FALSE;

}lendbook()

{FILE fp,fp2;

int i,n;

int carnum;

printf("请你输入你的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;

printf("请输入你要借阅的书的名字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;}

else

fp=fopen("record.txt","a+");

student[n].carnum=carnum;

fwrite(&student[n],sizeof(struct student),1,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);

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);

fopen("bookl.txt","w");

printf("借书完毕，按任意键返回n");

getch();

return;

}}

printf("不存在这样的书，任意键返回n");

getch();

return;

}}

printf("你的不存在，请申请新卡,按任意键返回n");

getch();

}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<：%d 姓名：%s 班级：%d>n",i+1,car[i].carnum,car[i].studentname,car[i].studentclass);

n=n+1;

}fclose(fp);

printf("目前共有%d本书n",n);

printf("按任意键n");

getch();

}delcar()

{FILE fp,fp2;

int i;

int carnum;

char cho;

fp=fopen("car.txt","r");

fp2=fopen("bookl.txt","w");

printf("请输入你要删除的n");

printf("如果你输入的存在，系统自动删除该信息！如果不存在，系统不做任何改动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);

}}

printf("是否真的要删除该卡？删除后该书籍的所有信息将无法恢复《Y/N》n");

scanf("%s",&cho);

if(cho=='y'||cho=='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);

fp2=fopen("bookl.txt","w");

printf("按任意键返回n");

getch();

return;

}else

{printf("按任意键返回n");

getch();

return;

}}

addcar()

{FILE fp;

int i=0;

fp=fopen("car.txt","a+");

printf("请你输入n");

scanf("%d",&car[i].carnum);

printf("请你输入学生姓名n");

scanf("%s",car[i].studentname);

printf("请你输入班级n");

scanf("%d",&car[i].studentclass);

fwrite(&car[i],sizeof(struct car),1,fp);

printf("输入完毕，任意键返回n");

getch();

}changemploy()

{FILE fp,fp2;

char employname[10],cho;

int i;

fp=fopen("employ.txt","r");

fp2=fopen("bookl.txt","w");

printf("请你输入要修改的职工的名字n");

scanf("%s",employname);

for(i=0;fread(&employ[i],sizeof(struct employ),1,fp)!=0;i++)

{if(strcmp(employ[i].employname,employname)==0)

{printf("你所要修改的职工的资料如下，请选择你要修改的内容n");

printf("<职工号:%d职工名：%s 年龄：%d 性别：%s 学历：%s 工资：%d>n",employ[i].employnum,employ[i].employname,employ[i].employage,employ[i].employ,employ[i].employl,employ[i].employtage);

printf("2：修改职工名n");

printf("3：修改职工年龄n");

printf("4：修改职工工资n");

printf("5：修改职工学历n");

printf("请输入1-5:");

scanf("%s",&cho);

switch(cho)

{case '1':

{printf("请输入新的职工号n");

scanf("%d",&employ[i].employnum);

fwrite(&employ[i],sizeof(struct employ),1,fp2);

}break;

{printf("请输入新的职工姓名n");

scanf("%s",employ[i].employname);

fwrite(&employ[i],sizeof(struct employ),1,fp2);

}break;

case '3':

{printf("请输入新的年龄n");

scanf("%d",&employ[i].employage);

fwrite(&employ[i],sizeof(struct employ),1,fp2);

}break;

case '4':

{printf("请输入新的职工工资n");

scanf("%d",&employ[i].employtage);

fwrite(&employ[i],sizeof(struct employ),1,fp2);

}break;

case '5':

{printf("请输入新的职工学历n");

scanf("%s",employ[i].employl);

fwrite(&employ[i],sizeof(struct employ),1,fp2);

}default:printf("没有这样的作");break;

}continue;

}fwrite(&employ[i],sizeof(struct employ),1,fp2);

}fclose(fp);

fp=fopen("employ.txt","w");

fp2=fopen("bookl.txt","r");

for(i=0;fread(&employ[i],sizeof(struct employ),1,fp2)!=0;i++)

{fwrite(&employ[i],sizeof(struct employ),1,fp);

}fclose(fp);

fp2=fopen("bookl.txt","w");

printf("按任意键返回n");

getchar();

return;

}delemploy()

{FILE fp,fp2;

int i;

char employname[10],cho;

fp=fopen("employ.txt","r");

fp2=fopen("bookl.txt","w");

printf("请输入你要删除的职工名n");

printf("如果你输入的职工存在，系统自动删除该信息！如果不存在，系统不做任何改动n");

scanf("%s",employname);

for(i=0;fread(&employ[i],sizeof(struct employ),1,fp)!=0;i++)

{if(strcmp(employname,employ[i].employname)!=0)

{fwrite(&employ[i],sizeof(struct employ),1,fp2);

}}

printf("是否真的要删除该职工信息？删除后的所有信息将无法恢复《Y/N》n");

scanf("%s",&cho);

if(cho=='y'||cho=='Y')

{fp=fopen("employ.txt","w");

fp2=fopen("bookl.txt","r");

for(i=0;fread(&employ[i],sizeof(struct employ),1,fp2)!=0;i++)

{fwrite(&employ[i],sizeof(struct employ),1,fp);

}fclose(fp);

fp2=fopen("bookl.txt","w");

printf("按任意键返回n");

getch();

return TRUE;

}else

{printf("按任意键返回n");

getch();

return FALSE;

}}

employcount()

{FILE fp;

int i,n=0;

fp=fopen("employ.txt","r");

for(i=0;fread(&employ[i],sizeof(struct employ),1,fp)!=0;i++)

{printf("第%d职工的信息如下：n<职工号：%d 职工名：%s 年龄：%d 性别：%s 学历：%s 工资：%d>n",n+1,employ[i].employnum,employ[i].employname,employ[i].employage,employ[i].employ,employ[i].employl,employ[i].employtage);

n++;

}fclose(fp);

printf("目前共有%d个职工n",n);

printf("按任意键返回n");

}addemploy()

{FILE fp;

char cho='y';

int i=1;

fp=fopen("employ.txt","a+");

while(cho=='y'||cho=='Y')

{printf("请你输入职工号码n");

scanf("%d",&employ[i].employnum);

scanf("%s",employ[i].employname);

printf("请输入职工年龄n");

scanf("%d",&employ[i].employage);

printf("请你输入性别n");

scanf("%s",employ[i].employ);

printf("请你输入职工的学历水平n");

scanf("%s",employ[i].employl);

printf("请输入职工的工资n");

scanf("%d",&employ[i].employtage);

fwrite(&employ[i],sizeof(struct employ),1,fp);

printf("是否要输入下个职工信息？n");

scanf("%s",&cho);

}printf("按任意键返回n");

}addbook()

{FILE fp;

int i=0;

char cho='y';

fp=fopen("book.txt","a+");

while(cho=='y'||cho=='Y')

{printf("请你输入第%d本书的序号n",i+1);

scanf("%d",&book[i].booknum);

printf("请你输入书名n");

scanf("%s",book[i].bookname);

printf("请你输入书的作者n");

scanf("%s",book[i].bookcreat);

printf("请设为1或0，1代表书还没人借，0表示书已经借出，设其他值，程序运行时无法得出正常结果n");

printf("请你设定书的状态n");

scanf("%d",&book[i].turefalse);

fwrite(&book[i],sizeof(struct book),1,fp);

printf("是否要输入下本书n");

scanf("%s",&cho);

}fclose(fp);

}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<序号：%d 书名：%s 作者：%s 状态：%d>n",i+1,book[i].booknum,book[i].bookname,book[i].bookcreat,book[i].turefalse);

n=n+1;

}}

printf("目前共有%d本书n",n);

printf("按任意键n");

}delbook()

{FILE fp,fp2;

int i;

char bookname[10],cho;

fp=fopen("book.txt","r");

fp2=fopen("bookl.txt","w");

printf("请输入你要删除的书名n");

printf("如果你输入的书名存在，系统自动删除该信息！如果不存在，系统不做任何改动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);

}}

printf("是否真的要删除该书籍？删除后该书籍的所有信息将无法恢复《Y/N》n");

scanf("%s",&cho);

if(cho=='y'||cho=='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);

fp2=fopen("bookl.txt","w");

printf("按任意键返回n");

getch();

return;

}else

{printf("按任意键返回n");

getch();

return;

}}

changebook()

{FILE fp,fp2;

char bookname[10],cho;

int i;

fp=fopen("book.txt","r");

fp2=fopen("bookl.txt","w");

printf("请你输入要修改的书籍的书字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：〈%d〉书名：〈%s〉作者：〈%s〉 n",book[i].booknum,book[i].bookname,book[i].bookcreat);

printf("1：修改书的序号n");

printf("2：修改书名n");

printf("3：修改作者n");

printf("请输入1-3:");

scanf("%s",&cho);

switch(cho)

{case '1':

{printf("请输入新的序号n");

scanf("%d",&book[i].booknum);

fwrite(&book[i],sizeof(struct book),1,fp2);

}break;

{printf("请输入新的书名n");

scanf("%s",book[i].bookname);

fwrite(&book[i],sizeof(struct book),1,fp2);

}break;

case '3':

{printf("请输入新的作者n");

scanf("%s",book[i].bookcreat);

fwrite(&book[i],sizeof(struct book),1,fp2);

}break;

defaut:printf("没有这样的作");break;

}continue;

}fwrite(&book[i],sizeof(struct book),1,fp2);

}fclose(fp);

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(fp2);

fp2=fopen("bookl.txt","w");

printf("按任意键返回n");

getchar();

return;

}main()

{char ch1,ch2,ch3,ch4,ch5;

{printf("tt请你选择作类型: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--4n");

scanf("%s",&ch1);

switch(ch1)

{case '1':chabook();break;

case '2':lendbook();;break;

case '3':{

{printf("---------------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：<修改图书资料>n");

printf(" 4：<书籍统计>n");

printf(" 5：<职工管理系统>n");

printf(" 6：<学生管理系统>n");

printf(" 0：<返回>n");

printf("请输入0--6,其他输入非法！n");

scanf("%s",&ch2);

switch(ch2)

{case '1':addbook();

case '2':delbook();break;

case '3':changebook();break;

case '5':{do

{printf("---------------欢迎进入职工管理系统！--------------n");

printf(" 1：<增加员工>n");

printf(" 2：<删除员工>n");

printf(" 3：<修改员工资料>n");

printf(" 4：<员工统计>n");

printf(" 0：<返回>n");

printf("请输入0--4,其他输入非法！n");

scanf("%s",&ch3);

switch(ch3)

{case '1':addemploy();getch();break;

case '2':delemploy();break;

case '3':changemploy();break;

case '4':employcount();getch();break;

case '0':break;

}}while(ch3!='0');}break;

case '6':{

{printf("---------------欢迎进入学生管理系统！--------------n");

printf(" 1：<申请新卡>n");

printf(" 2：<删除>n");

printf(" 3：<借书统计>n");

printf(" 4：<统计>n");

printf(" 0：<返回>n");

printf("请输入0--4,其他输入非法！n");

scanf("%s",&ch4);

switch(ch4)

{case '1':addcar();break;

case '2':delcar();break;

case '3':lendcount();break;

case '4':carcount();break;

case '0':break;

}}while(ch4!='0');}break;

case '0':break;

}}while(ch2!='0');}break;

case '4':huanbook();break;

case '0':break;

}}while(ch1!='0');

}

求大神，c语言程序设计，图书信息管理系统。救命啊。。

int total_book_number;

#include

#define Max 2

typedef struct book//书的信息

{char book_num[10];//书号

char book_name[20];//书名

char book_writer[10];//作者

int book_xy;//书的剩余数量

int book_kc;//书的总数量

struct book next;

}BK;

typedef struct borrow//被借书的信息

{char borrow_book_num[10];//借书书号

char limit_date[8];//借书归还日期

}BO;

typedef struct reader//读者信息

{char reader_num[10];//读者号

char reader_name[10];//读者姓名

int right;//已借数量

BO borrow[Max];//已借书信息

struct reader next;

}RD;

BK h_book;

RD h_reader;

void Login();

int Menu();

void Init();

void Init_book();

void Menu_select();

void Insert_New_Book();

void Find_Book();

void add_reader();

void Print_reader();

void Print_book();

void Borrow_Book();

void Return_Book();

void Se();

void Se_Book();

void Se_Reader();

void Load();

void Load_Reader();

void Load_Book();

void Login()

{("cls");

printf("nnnttt欢迎使用图书管理系统n");

printf("nntt本程序分析者秦义学号：200907014122nnnnnnn");//以前是设计者 xxxx

printf("nnntt 按任意键进入系统 ...");

getch(); ("cls");

}int Menu()/主菜单/

{ int dm;

printf("ntt图书管理系统主菜单n");

printf("=================================================n");

printf("☆t0----退出系统 ☆n");

printf("☆t1----采编入库 ☆n");

printf("☆t2----登记读者 ☆n");

printf("☆t3----借阅登记 ☆n");

printf("☆t4---还书管理 ☆n");

printf("☆t5---查询图书信息 ☆n");

printf("☆t6----查询读者信息 ☆n");

printf("=================================================n");

printf("请选择相应的代码:");

for(;;)

{ scanf("%d",&dm);

if(dm<0||dm>6)

printf("n错误!请重新输入:");

else break;

}return dm;

}void Menu_select()/主菜单选择函数/

{for(;;)

{switch(Menu())/功能选择/

{ case 0:

Se();

printf("nnt文件保存成功!n");

printf("nnt欢迎下次使用本系统!n");

getch();

exit(0);

case 1:Insert_New_Book();break;

case 2:add_reader();break;

case 3:Borrow_Book();break;

case 4:Return_Book();break;

case 5:Print_book();break;

case 6:Print_reader();break;

default:printf("n错误!");

exit(0);}

}}

{Init_book();

}void Init_book()/初始化图书信息/

{BK p0;

printf("n图书初始化开始,请输入图书信息..n包括编号.书名.数量..n");

p0=(BK)malloc(sizeof(BK));

h_book=p0;

printf("n请输入图书信息:n");

printf("图书编号:");/输入图书编号()/

scanf("%s",p0->book_num);

printf("图书名称:");/输入图书名称/

scanf("%s",p0->book_name);

printf("图书作者:");/输入图书作者/

scanf("%s",p0->book_writer);

printf("图书数量:");/输入图书数量/

scanf("%d",&p0->book_kc);

p0->book_xy=p0->book_kc;/开始时图书现有量和库存量相等/

p0->next=NULL;

printf("n图书信息初始化完毕!按任意键继续下一步作..n");

getch();

}void Insert_New_Book()/新书入库/

{BK p,p0,p1;

p=p1=h_book;

printf("n新书入库模块...n");

printf("n请输入新书信息..n包括书号.书名.数量..n");

p0=(BK )malloc(sizeof(BK));

printf("图书编号:");

scanf("%s",p0->book_num);

while(strcmp(p0->book_num,p1->book_num)!=0&&p1->next!=NULL)

p1=p1->next;

if(strcmp(p0->book_num,p1->book_num)==0)/此两种情况,若图书编号存在,则直接进库,只须输入书的数量/

{printf("n此编号图书已存在!!直接入库!n");

printf("图书数量:");

scanf("%d",&p0->book_kc);

p1->book_kc =p0->book_kc;

p1->book_xy =p0->book_kc;

}else/若不存在,则需要输入其他的信息 ,然后在进行插入作/

{printf("图书名称:");

scanf("%s",p0->book_name);

printf("图书作者:");

scanf("%s",p0->book_writer);

printf("图书数量:");

scanf("%d",&p0->book_kc);

while(p->next)

{ p=p->next; }

if(h_book==NULL) h_book=p0;/此两种情况,链表中没有数据,head直接指向p0处/

else p->next=p0;/此两种情况,链表中有数据,链表中元素的next指向p0处/

p0->next=NULL;

p0->book_xy=p0->book_kc;

}printf("n新书入库完毕!按任意键继续下一步作..n");

getch();

}void add_reader()/添加读者/

{ RD p0;

int i;

printf("n读者初始化开始,请输入读者信息..n包括书证号.姓名..n");

p0=(RD)malloc(sizeof(RD));/申请新结点存储空间/

h_reader=p0;

printf("n请输入读者的信息:n");

printf("读者书证号:");

scanf("%s",p0->reader_num);

printf("读者姓名:");

scanf("%s",p0->reader_name);

p0->right=0;

for(i=0;i

{strcpy(p0->borrow[i].borrow_book_num,"0");/所借图书直接置为0(即没有借书)/

strcpy(p0->borrow[i].limit_date,"0");

}p0->next=NULL;

printf("n读者信息初始化完毕!按任意键继续下一步作..n");

getch();

}void Borrow_Book()/借书模块/

{BK p0; RD p1;

int i;

p0=h_book; p1=h_reader;

printf("n借书模块...n");

printf("n请输入借书的读者书证号:");

scanf("%s",rea_num);

while(p1->next!=NULL&&strcmp(rea_num,p1->reader_num)!=0)//查找读者号

{p1=p1->next;}

if(p1->next==NULL&&strcmp(rea_num,p1->reader_num)!=0)

{printf("n此读者编号不存在!按任意键返回..n");

goto END;

}printf("n请输入你要借的书的编号:");

scanf("%s",bo_num);

while(strcmp(bo_num,p0->book_num)!=0&&p0->next!=NULL)//查找书号

{p0=p0->next;}

if(p0->next==NULL&&strcmp(bo_num,p0->book_num)!=0)

{printf("n此图书编号不存在!按任意键返回..n");

}else if(p0->book_xy<=0)

{printf("n抱歉,此书已借完!请等待新书的到来!!n按任意键返回....");

}else if(p1->right>=Max)

{printf("n不好意思,借书数目已满!不能借书!n按任意键返回....");

}else if(strcmp(p1->borrow[0].borrow_book_num,"0")!=0)

{for(i=0;i

{if(strcmp(p1->borrow[i].borrow_book_num,bo_num)==0)

{printf("n抱歉!同一个读者不能同借两本相同的书!n");

}else if(strcmp(p1->borrow[i].borrow_book_num,"0")==0)

scanf("%s",lim_date);

strcpy(p1->borrow[p1->right ].borrow_book_num,bo_num);

strcpy(p1->borrow[p1->right-1].limit_date,lim_date);

p0->book_xy--;

printf("n读者编号%s借书完毕!按任意键继续下步作..",p1->reader_num);

}}

}else

scanf("%s",lim_date);

strcpy(p1->borrow[p1->right ].borrow_book_num,bo_num);

strcpy(p1->borrow[p1->right-1].limit_date ,lim_date );

p0->book_xy--;

printf("n读者编号%s借书完毕!按任意键继续下步作..",p1->reader_num);

}END:getch(); ("cls");

}void Return_Book()/还书模块/

{BK p; RD q;

int i,j,find=0;

char return_book_num[10],return_reader_num[10];

p=h_book; q=h_reader;

printf("n还书模块...n");

printf("n请输入要还书的读者编号:");

scanf("%s",return_reader_num);

while(q->next!=NULL&&strcmp(return_reader_num,q->reader_num)!=0)

q=q->next;

if(q->next==NULL&&strcmp(return_reader_num,q->reader_num)!=0)

{find=2;

printf("n此读者编号不存在!按任意键返回..n");

goto end;

}printf("n请输入读者还书的编号:");

scanf("%s",return_book_num);

while(p->next!=NULL&&strcmp(return_book_num,p->book_num)!=0)

p=p->next;

if(p->next==NULL&&strcmp(return_book_num,p->book_num)!=0)

{find=2;

printf("n错误!此图书编号不存在!按任意键返回..n");

goto end;

}for(i=0;i

if(strcmp(return_book_num,q->borrow[i].borrow_book_num)==0)/如果此读者借了此书/

{find=1;

for(j=i;j

{strcpy(q->borrow[j].borrow_book_num,q->borrow[j 1].borrow_book_num);

strcpy(q->borrow[j].limit_date,q->borrow[j 1].limit_date);

}strcpy(q->borrow[Max-1].borrow_book_num,"0");

strcpy(q->borrow[Max-1].limit_date,"0");

p->book_xy ;

q->right--;

printf("n编号%s的读者还书完毕!按任意键继续下步作..",return_reader_num);

}if(find==0)

printf("n错误!此读者未借此书!按任意键返回..n");

end: getch(); ("cls");

}void Print_book()/查询图书信息/

{BK p;

p=h_book;

printf("n图书信息如下:nn");

printf("图书编号t图书名称t图书作者t现有tt库存n");

while(p!=NULL)

{printf("%stt%stt%stt%dtt%dn",p->book_num,p->book_name,p->book_writer,p->book_xy,p->book_kc);

p=p->next;

}printf("n图书信息打印完毕!按任意键继续下一步作..");

getch();

}void Print_reader()/查询读者信息/

{RD p;

int i;

p=h_reader;

printf("n读者信息如下:nn");

printf("读者书证号tt读者姓名n");

printf("n");

while(p!=NULL)

{printf("t%stt%s",p->reader_num,p->reader_name);

for(i=0;i

{printf("n");

printf("图书编号",i 1);

printf("t还书日期",i 1);

printf("n");

printf("t%s",p->borrow[i].borrow_book_num);

printf("tt%s",p->borrow[i].limit_date);

}printf("n");

p=p->next;

}printf("n读者信息打印完毕!按任意键继续下一步作..");

getch();

}//文件模块

void Se()/保存信息/

{Se_Reader();

Se_Book();

}void Se_Reader()/保存读者信息/

{FILE fp_reader;

RD p,p0;

p=h_reader;

if((fp_reader=fopen("Reader.txt","wb"))==NULL)/创建文件,进行保存/

{printf("n文件保存失败!n请重新启动本系统...n");

exit(0);

}while(p!=NULL)

{if(fwrite(p,sizeof(RD),1,fp_reader)!=1)/将链表中的信息写入文件中/

printf("n写入文件失败!n请重新启动本系统!n");

p0=p;

p=p->next;

free(p0);/释放所有结点/

}h_reader=NULL;

fclose(fp_reader);/关闭文件/

}void Se_Book()/保存图书信息/

{FILE fp_book;/创建文件型指针/

BK p,printf("请你输入职工名n");p0;

p=h_book;

if((fp_book=fopen("Book.txt","wb"))==NULL)/创建文件,进行保存/

{printf("n文件保存失败!n请重新启动本系统...n");

exit(0);

}while(p!=NULL)

{if(fwrite(p,sizeof(BK),1,fp_book)!=1)/将链表中的信息写入文件中/

printf("n写入文件失败!n请重新启动本系统!n");

p0=p;

p=p->next;

free(p0);

}h_book=NULL;

fclose(fp_book);/关闭文件/

}void Load()/加载信息/

{Load_Reader();

Load_Book();

}void Load_Reader()/加载读者信息/

{RD p1,p2,p3;

FILE fp;/创建文件型指针/

fp=fopen("book.txt","rb");/打开文件/

p1=(RD )malloc(sizeof(RD));

fread(p1,sizeof(RD),1,fp);

h_reader=p3=p2=p1;

while(! feof(fp))/读出信息,重新链入链表/

{ p1=(RD )malloc(sizeof(RD));

fread(p1,sizeof(RD),1,fp);

p2->next=p1;

p3=p2;

p2=p1;

}p3->next=NULL;

free(p1);

fclose(fp);/关闭文件/

}void Load_Book()/加载图书信息/

{BK p1,p2,p3;

FILE fp;/创建文件型指针/

fp=fopen("Book.txt","rb");/打开文件/

p1=(BK )malloc(sizeof(BK));

fread(p1,sizeof(BK),1,fp);

h_book=p3=p2=p1;

while(! feof(fp))/读出信息,重新链入链表/

{ p1=(BK )malloc(sizeof(BK));

fread(p1,sizeof(BK),1,fp);

p2->next=p1;

p3=p2;

p2=p1;

}p3->next=NULL;

free(p1);

fclose(fp);/关闭文件/

}void main()

{FILE fp_book,fp_reader;/创建文件型指针/

if((fp_book=fopen("Book.txt","rb"))==NULL||(fp_reader=fopen("Reader.txt","rb"))==NULL)

{ Init(); }

else Load();

Menu_select();/调用主菜单/

}自己以前做的

C语言程序设计（图书管理系统）//源代码一定要运行的起来

fclose(fp2);

#ifndef _SIMPLE_BOOK_MANAGER_H

struct BookNode rec[2m];

#define _SIMPLE_BOOK_MANAGER_H

typedef struct BookRecord

{int index; //编号

char catalog[20]; //分类

char book_name[40]; //书名

char author[20]; //作者

char publisher[80]; //出版社

int quantity; //数量

float single_pr; //单价

float total_pr; //总价

}BookRecord, PtrBookRecord;

typedef struct CatalogRecord

{int index; //编号

char catalog[20]; //分类

int total_number; //总册数

}CatalogRecord, PtrCatalogRecord;

#endif

void ReadBookRecord(BookRecord, FILE);

void FillRecord(char line, BookRecord);

FILE open_file(const char file_name);

void GetNumber(const char file_name, char number);

void print_main_menu();

char get_command();

void SearchAndDisplay(BookRecord);

void Arrange(BookRecord);

void PrStat(BookRecord, const char output_file_name);

void NumberStat(BookRecord, const char output_file_name);

void print_search_and_disp_menu();

void SearchByName(BookRecord);

void SearchByAuthor(BookRecord);

void ShowAllBook(BookRecord);

void print_head();

void print_book_record(BookRecord);

void print_arrange_menu();

void ArrangeByCatalog(BookRecord);

void ArrangeByPublisher(BookRecord);

int main(int argc, char argv[])

{FILE fp;

char cmd;

char number[10] = {0};

char pr_file_name[20] = {0};

char catalog_file_name[20] = {0};

BookRecord book_records[20];

int loop = 1;

memset(book_records, 0, sizeof(book_records));

if (argc >= 2)

{fp = open_file(argv[1]);

GetNumber(argv[1], number);

}else

{char file_name[] = "DX0112.txt";

fp = open_file(file_name);

GetNumber(file_name, number);

}if (fp == NULL)

{printf("打开文件失败!");

return -1;

}else

{strcpy(pr_file_name, "ZJ");

strcat(pr_file_name, number);

strcat(pr_file_name, ".txt");

strcpy(catalog_file_name, "ZL");

strcat(catalog_file_name, number);

strcat(catalog_file_name, ".txt");

}ReadBookRecord(book_records, fp);

while (loop)

{print_main_menu();

cmd = get_command();

switch(cmd)

{case 'S': //查询显示

case 's':

SearchAndDisplay(book_records);

case 'A': //排序

case 'a':

Arrange(book_records);

case 'P': //统计总价

case 'p':

PrStat(book_records, pr_file_name);

case 'N': //统计总册数

case 'n':

NumberStat(book_records, catalog_file_name);

case 'Q':

case 'q':

loop = 0;

default:

}}

}

急求C语言编写的图书管理系统源代码，具体要求如下

scanf("%d",&((p->reader[i]).bro.month));

/这有个以前用过的程序，你可以自己改改使用，但是有些功

能好像有问题，会中断运行。至于程序的缩进式格式就你自己

敲回车和退格解决吧，不然代码看起来会很乱不好看。/

#include

#define STACK_INIT_SIZE 10

#define OK 1

#define TRUE 1

#define FALSE 0

#define ERROR 0

struct student /定义学生类型，用于存放借出的书籍/

{int carnum;

char lendbook[10];

}student[1000];

struct employ /定义职工类型/

{int employnum;

char employname[15];

int employage;

char employ[2];

char employl[10];

long int employtage;

}employ[50];

struct book /定义书的类型/

char bookname[10];

char bookcreat[10];

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];

struct car /借书卡的数据类型/

{int carnum;

char studentname[10];

int studentclass;

}car[100];

huanbook() /还书函数/

int i,n;

int carnum;

char lendbook[10];

printf("请你输入你的n");

scanf("%d",&carnum);

fp=fopen("car.txt","r"); /读取记录/

for(i=0;fread(&car[i],sizeof(struct car),1,fp)!=0;i++) /for循环判断是否存在/

{if(car[i].carnum==carnum) /存在，进入下一循环/

{n=i;

printf("请输入你要还的书的名字n");

scanf("%s",lendbook);

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);

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; /删除还掉的书的借录/

}fwrite(&student[i],sizeof(struct student),1,fp2); /写入原来没还的书的记录/

}fclose(fp);

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); /将借录信息写回/

}fclose(fp);

fopen("bookl.txt","w"); /清临时文件的记录/

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);

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);

fopen("bookl.txt","w"); /清临时文件/

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/

getch();

return 0;

}}

printf("系统没这样的卡，和联系,按任意键返回n"); /出错提示/

getch();

}findbook()

{FILE fp;

char bookname[10];

int ture,i;

fp=fopen("book.txt","r");

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)

}else {printf("这本书已经有人借出n");fclose(fp);return 0;}

return FALSE;

}}

printf("没有你要查询的书籍n");

return FALSE;

}findbook1()

{FILE fp;

char bookcreat[10];

int ture,i;

fp=fopen("book.txt","r");

printf("请输入你要查找的作者名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)

}else {printf("这本书已经有人借出n");fclose(fp);return 0;}

return FALSE;

}}

printf("没有你要查询的书籍n");

return FALSE;

}lendcount()

{FILE fp;

int i,n=0;

for(i=0;fread(&student[i],sizeof(struct student),1,fp)!=0;i++)

{printf("：%d 借出的书籍：%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;

}chabook()

{char ch5;

{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,其他输入非法！n");

scanf("%s",&ch5);

switch(ch5)

{case '1':findbook();getch();break;

case '2':findbook1();getch();break;

case '0':break;

}}while(ch5!='0');

return FALSE;

}lendbook()

{FILE fp,fp2;

int i,n;

int carnum;

printf("请你输入你的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;

printf("请输入你要借阅的书的名字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;}

else

fp=fopen("record.txt","a+");

student[n].carnum=carnum;

fwrite(&student[n],sizeof(struct student),1,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);

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);

fopen("bookl.txt","w");

printf("借书完毕，按任意键返回n");

getch();

return;

}}

printf("不存在这样的书，任意键返回n");

getch();

return;

}}

printf("你的不存在，请申请新卡,按任意键返回n");

getch();

}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<：%d 姓名：%s 班级：%d>n",i+1,car[i].carnum,car[i].studentname,car[i].studentclass);

n=n+1;

}fclose(fp);

printf("目前共有%d本书n",n);

printf("按任意键n");

getch();

}delcar()

{FILE fp,fp2;

int i;

int carnum;

char cho;

fp=fopen("car.txt","r");

fp2=fopen("bookl.txt","w");

printf("请输入你要删除的n");

printf("如果你输入的存在，系统自动删除该信息！如果不存在，系统不做任何改动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);

}}

printf("是否真的要删除该卡？删除后该书籍的所有信息将无法恢复《Y/N》n");

scanf("%s",&cho);

if(cho=='y'||cho=='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);

fp2=fopen("bookl.txt","w");

printf("按任意键返回n");

getch();

return;

}else

{printf("按任意键返回n");

getch();

return;

}}

addcar()

{FILE fp;

int i=0;

fp=fopen("car.txt","a+");

printf("请你输入n");

scanf("%d",&car[i].carnum);

printf("请你输入学生姓名n");

scanf("%s",car[i].studentname);

printf("请你输入班级n");

scanf("%d",&car[i].studentclass);

fwrite(&car[i],sizeof(struct car),1,fp);

printf("输入完毕，任意键返回n");

getch();

}changemploy()

{FILE fp,fp2;

char employname[10],cho;

int i;

fp=fopen("employ.txt","r");

fp2=fopen("bookl.txt","w");

printf("请你输入要修改的职工的名字n");

scanf("%s",employname);

for(i=0;fread(&employ[i],sizeof(struct employ),1,fp)!=0;i++)

{if(strcmp(employ[i].employname,employname)==0)

{printf("你所要修改的职工的资料如下，请选择你要修改的内容n");

printf("2：修改职工名n");

printf("3：修改职工年龄n");

printf("4：修改职工工资n");

printf("5：修改职工学历n");

printf("请输入1-5:");

scanf("%s",&cho);

switch(cho)

{case '1':

{printf("请输入新的职工号n");

scanf("%d",&employ[i].employnum);

fwrite(&employ[i],sizeof(struct employ),1,fp2);

}break;

{printf("请输入新的职工姓名n");

scanf("%s",employ[i].employname);

fwrite(&employ[i],sizeof(struct employ),1,fp2);

}break;

case '3':

{printf("请输入新的年龄n");

scanf("%d",&employ[i].employage);

fwrite(&employ[i],sizeof(struct employ),1,fp2);

}break;

case '4':

{printf("请输入新的职工工资n");

scanf("%d",&employ[i].employtage);

fwrite(&employ[i],sizeof(struct employ),1,fp2);

}break;

case '5':

{printf("请输入新的职工学历n");

scanf("%s",employ[i].employl);

fwrite(&employ[i],sizeof(struct employ),1,fp2);

}default:printf("没有这样的作");break;

}continue;

}fwrite(&employ[i],sizeof(struct employ),1,f{char num[20];p2);

}fclose(fp);

fp=fopen("employ.txt","w");

fp2=fopen("bookl.txt","r");

for(i=0;fread(&employ[i],sizeof(struct employ),1,fp2)!=0;i++)

{fwrite(&employ[i],sizeof(struct employ),1,fp);

}fclose(fp);

fp2=fopen("bookl.txt","w");

printf("按任意键返回n");

getchar();

return;

}delemploy()

{FILE fp,fp2;

int i;

char employname[10],cho;

fp=fopen("employ.txt","r");

fp2=fopen("bookl.txt","w");

printf("请输入你要删除的职工名n");

printf("如果你输入的职工存在，系统自动删除该信息！如果不存在，系统不做任何改动n");

scanf("%s",employname);

for(i=0;fread(&employ[i],sizeof(struct employ),1,fp)!=0;i++)

{if(strcmp(employname,employ[i].employname)!=0)

{fwrite(&employ[i],sizeof(struct employ),1,fp2);

}}

printf("是否真的要删除该职工信息？删除后的所有信息将无法恢复《Y/N》n");

scanf("%s",&cho);

if(cho=='y'||cho=='Y')

{fp=fopen("employ.txt","w");

fp2=fopen("bookl.txt","r");

for(i=0;fread(&employ[i],sizeof(struct employ),1,fp2)!=0;i++)

{fwrite(&employ[i],sizeof(struct employ),1,fp);

}fclose(fp);

fp2=fopen("bookl.txt","w");

printf("按任意键返回n");

getch();

return TRUE;

}else

{printf("按任意键返回n");

getch();

return FALSE;

}}

employcount()

{FILE fp;

int i,n=0;

fp=fopen("employ.txt","r");

for(i=0;fread(&employ[i],sizeof(struct employ),1,fp)!=0;i++)

n++;

}fclose(fp);

printf("目前共有%d个职工n",n);

printf("按任意键返回n");

}addemploy()

{FILE fp;

char cho='y';

int i=1;

fp=fopen("employ.txt","a+");

while(cho=='y'||cho=='Y')

{printf("请你输入职工号码n");

scanf("%d",&employ[i].employnum);

scanf("%s",employ[i].employname);

printf("请输入职工年龄n");

scanf("%d",&employ[i].employage);

printf("请你输入性别n");

scanf("%s",employ[i].employ);

printf("请你输入职工的学历水平n");

scanf("%s",employ[i].employl);

printf("请输入职工的工资n");

scanf("%d",&employ[i].employtage);

fwrite(&employ[i],sizeof(struct employ),1,fp);

printf("是否要输入下个职工信息？n");

scanf("%s",&cho);

}printf("按任意键返回n");

}addbook()

{FILE fp;

int i=0;

char cho='y';

fp=fopen("book.txt","a+");

while(cho=='y'||cho=='Y')

{printf("请你输入第%d本书的序号n",i+1);

scanf("%d",&book[i].booknum);

printf("请你输入书名n");

scanf("%s",book[i].bookname);

printf("请你输入书的作者n");

scanf("%s",book[i].bookcreat);

printf("请设为1或0，1代表书还没人借，0表示书已经借出，设其他值，程序运行时无法得出正常结果n");

printf("请你设定书的状态n");

scanf("%d",&book[i].turefalse);

fwrite(&book[i],sizeof(struct book),1,fp);

printf("是否要输入下本书n");

scanf("%s",&cho);

}fclose(fp);

}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<序号：%d 书名：%s 作者：%s 状态：%d>n",i+1,book[i].booknum,book[i].bookname,book[i].bookcreat,book[i].turefalse);

n=n+1;

}}

printf("目前共有%d本书n",n);

printf("按任意键n");

}delbook()

{FILE fp,fp2;

int i;

char bookname[10],cho;

fp=fopen("book.txt","r");

fp2=fopen("bookl.txt","w");

printf("请输入你要删除的书名n");

printf("如果你输入的书名存在，系统自动删除该信息！如果不存在，系统不做任何改动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);

}}

printf("是否真的要删除该书籍？删除后该书籍的所有信息将无法恢复《Y/N》n");

scanf("%s",&cho);

if(cho=='y'||cho=='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);

fp2=fopen("bookl.txt","w");

printf("按任意键返回n");

getch();

return;

}else

{printf("按任意键返回n");

getch();

return;

}}

changebook()

{FILE fp,fp2;

char bookname[10],cho;

int i;

fp=fopen("book.txt","r");

fp2=fopen("bookl.txt","w");

printf("请你输入要修改的书籍的书字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：〈%d〉书名：〈%s〉作者：〈%s〉 n",book[i].booknum,book[i].bookname,book[i].bookcreat);

printf("1：修改书的序号n");

printf("2：修改书名n");

printf("3：修改作者n");

printf("请输入1-3:");

scanf("%s",&cho);

switch(cho)

{case '1':

{printf("请输入新的序号n");

scanf("%d",&book[i].booknum);

fwrite(&book[i],sizeof(struct book),1,fp2);

}break;

{printf("请输入新的书名n");

scanf("%s",book[i].bookname);

fwrite(&book[i],sizeof(struct book),1,fp2);

}break;

case '3':

{printf("请输入新的作者n");

scanf("%s",book[i].bookcreat);

fwrite(&book[i],sizeof(struct book),1,fp2);

}break;

defaut:printf("没有这样的作");break;

}continue;

}fwrite(&book[i],sizeof(struct book),1,fp2);

}fclose(fp);

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(fp2);

fp2=fopen("bookl.txt","w");

printf("按任意键返回n");

getchar();

return;

}main()

{char ch1,ch2,ch3,ch4,ch5;

{printf("tt请你选择作类型: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--4n");

scanf("%s",&ch1);

switch(ch1)

{case '1':chabook();break;

case '2':lendbook();;break;

case '3':{

{printf("---------------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：<修改图书资料>n");

printf(" 4：<书籍统计>n");

printf(" 5：<职工管理系统>n");

printf(" 6：<学生管理系统>n");

printf(" 0：<返回>n");

printf("请输入0--6,其他输入非法！n");

scanf("%s",&ch2);

switch(ch2)

{case '1':addbook();

case '2':delbook();break;

case '3':changebook();break;

case '5':{do

{printf("---------------欢迎进入职工管理系统！--------------n");

printf(" 1：<增加员工>n");

printf(" 2：<删除员工>n");

printf(" 3：<修改员工资料>n");

printf(" 4：<员工统计>n");

printf(" 0：<返回>n");

printf("请输入0--4,其他输入非法！n");

scanf("%s",&ch3);

switch(ch3)

{case '1':addemploy();getch();break;

case '2':delemploy();break;

case '3':changemploy();break;

case '4':employcount();getch();break;

case '0':break;

}}while(ch3!='0');}break;

case '6':{

{printf("---------------欢迎进入学生管理系统！--------------n");

printf(" 1：<申请新卡>n");

printf(" 2：<删除>n");

printf(" 3：<借书统计>n");

printf(" 4：<统计>n");

printf(" 0：<返回>n");

printf("请输入0--4,其他输入非法！n");

scanf("%s",&ch4);

switch(ch4)

{case '1':addcar();break;

case '2':delcar();break;

case '3':lendcount();break;

case '4':carcount();break;

case '0':break;

}}while(ch4!='0');}break;

case '0':break;

}}while(ch2!='0');}break;

case '4':huanbook();break;

case '0':break;

}}while(ch1!='0');

}

怎么用C语言在图书管理系统中加入把图书信息存入磁盘文件的函数

{int booknum;

new是关键字唉，怎么能当变量名，编译能过？我的不能.因为你那个new传的是止，次就把head指向了new，以后每次增加时修改了p2就修改了head，所以只是显示一个记录。TSnew1=(TS)malloc(LEN);这句加在TSAdd(TShead)函数句就OK了

#include "math.h"

C语言图书管理设计

{struct BookNode p;

#include{printf("这本书的详细资料是：%d %s %s 此书现在无人借阅n按任意键返回n",book[i].booknum,book[i].bookname,book[i].bookcreat);

#include

struct books_list

{char author[20]; /作者名/

char bookname[20]; /书名/

char publisher[20]; /出版单位/

char pbtime[15]; /出版时间/

char loginnum[10]; /登陆号/

float pr; /价格/

char classfy[10]; /分类号/

struct books_list next; /链表的指针域/

};

struct books_list Create_Books_Doc(); /新建链表/

void InsertDoc(struct books_list head); /插入/

void DeleteDoc(struct books_list head , int num);/删除/

void Print_Book_Doc(struct books_list head);/浏览/

void search_book(struct books_list head); /查询/

void _change(struct books_list head);/修改/

void se(struct books_list head);/保存数据至文件/

/新建链表头/

struct books_list Create_Books_Doc()

{struct books_list head;

head=(struct books_list )malloc(sizeof(struct books_list)); /分配头空间/

head->next=NULL; /头指针域初始化，定为空/

return head;

}/保存数据至文件/

void se(struct books_list head)

{struct books_list p;

FILE fp;

p=head;

fp=fopen("data.txt","w+"); /以写方式新建并打开 data.txt文件/

fprintf(fp,"┏━━━┳━━━━━┳━━━━━┳━━━━━┳━━━━━━┳━━━┳━━━━┓n"); /向文件输出表格/

fprintf(fp,"┃登录号┃ 书名 ┃ 作者┃ 出版单位 ┃ 出版时间 ┃分类号┃ 价格 ┃n");

fprintf(fp,"┣━━━╋━━━━━╋━━━━━╋━━━━━╋━━━━━━╋━━━╋━━━━┫n");

/指针从头开始移动，遍历至尾结点，依次输出图书信息/

while(p->next!= NULL)

{p=p->next;

fprintf(fp,"┃%-6.6s┃%-10.10s┃%-10.10s┃%-10.10s┃%-12.12s┃%-6.6s┃%.2f ┃n",p->loginnum,p->bookname,p->author,p->publisher,p->pbtime,p->classfy,p->pr);

}fprintf(fp,"┗━━━┻━━━━━┻━━━━━┻━━━━━┻━━━━━━┻━━━┻━━━━┛n");

printf(" 已将图书数据保存到 data.txt 文件n");

}/插入/

void InsertDoc(struct books_list head)

{/定义结构体指针变量 s指向开辟的新结点首地址 p为中间变量/

struct books_list s, p;

char flag='Y'; /定义flag,方便用户选择重复输入/

p=head;

/遍历到尾结点，p指向尾结点/

while(p->next!= NULL)

{p=p->next;

}/开辟新空间,存入数据,添加进链表/

while(flag=='Y'||flag=='y')

{s=(struct books_list )malloc(sizeof(struct books_list));

printf("n 请输入图书登陆号:");

fflush(stdin);

scanf("%s",s->loginnum);

printf("n 请输入图书书名:");

fflush(stdin);

scanf("%s",s->bookname);

printf("n 请输入图书作者名:");

fflush(stdin);

scanf("%s",s->author);

printf("n 请输入图书出版社:");

fflush(stdin);

scanf("%s",s->publisher);

printf("n 请输入图书出版时间:");

fflush(stdin);

scanf("%s",s->pbtime);

printf("n 请输入图书分类号:");

fflush(stdin);

scanf("%s",s->classfy);

printf("n 请输入图书价格:");

fflush(stdin);

scanf("%f",&s->pr);

printf("n");

p->next=s; /将新增加的添加进链表/

p=s; /p指向尾，向后移/

s->next=NULL;

printf(" ━━━━ 添加成功！━━━━");

printf("n 继续添加？(Y/N):");

fflush(stdin);

scanf("%c",&flag);

printf("n");

if(flag=='N'||flag=='n')

else if(flag=='Y'||flag=='y')

{continue;}

}se(head); /保存数据至文件/

return;

}/查询作/

void search_book(struct books_list head)

{struct books_list p;

char temp[20];

p=head;

if(head==NULL || head->next==NULL) /判断数据库是否为空/

{printf(" ━━━━ 图书库为空！━━━━n");

}else

{printf("请输入您要查找的书名: ");

fflush(stdin);

scanf("%s",temp);

/指针从头开始移动，遍历至尾结点，查找书目信息/

while(p->next!= NULL)

{p=p->next;

if(strcmp(p->bookname,temp)==0)

{printf("n图书已找到!n");

printf("n");

printf("登录号: %stn",p->loginnum);

printf("书名: %stn",p->bookname);

printf("作者名: %stn",p->author);

printf("出版单位: %stn",p->publisher);

printf("出版时间: %stn",p->pbtime);

printf("分类号: %stn",p->classfy);

printf("价格: %.2ftn",p->pr);

}if(p->next==NULL)

{printf("n查询完毕!n");

}}

}return;

}/浏览作/

void Print_Book_Doc(struct books_list head)

{struct books_list p;

if(head==NULL || head->next==NULL) /判断数据库是否为空/

{printf("n ━━━━ 没有图录! ━━━━nn");

return;

}p=head;

printf("┏━━━┳━━━━━┳━━━━━┳━━━━━┳━━━━━━┳━━━┳━━━━┓n");

printf("┃登录号┃ 书名 ┃ 作者┃ 出版单位 ┃ 出版时间 ┃分类号┃ 价格 ┃n");

printf("┣━━━╋━━━━━╋━━━━━╋━━━━━╋━━━━━━╋━━━╋━━━━┫n");

/指针从头开始移动，遍历至尾结点，依次输出图书信息/

while(p->next!= NULL)

{p=p->next;

printf("┃%-6.6s┃%-10.10s┃%-10.10s┃%-10.10s┃%-12.12s┃%-6.6s┃%.2f ┃n",p->loginnum,p->bookname,p->author,p->publisher,p->pbtime,p->classfy,p->pr); /循环输出表格/

}printf("┗━━━┻━━━━━┻━━━━━┻━━━━━┻━━━━━━┻━━━┻━━━━┛n");

printf("n");

}/修改作/

void _change(struct books_list head)

{struct books_list p;

int panduan=0; /此变量用于判断是否找到书目/

char temp[20];

p=head;

printf("请输入要修改的书名:");

scanf("%s",temp);

while(p->next!= NULL)

{p=p->next;

if(strcmp(p->bookname,temp)==0)

{printf("n 请输入图书登陆:");

fflush(stdin);

scanf("%s",p->loginnum);

printf("n 请输入图书书名:");

fflush(stdin);

scanf("%s",p->bookname);

printf("n 请输入图书作者名:");

fflush(stdin);

scanf("%s",p->author);

printf("n 请输入图书出版社:");

fflush(stdin);

scanf("%s",p->publisher);

printf("n 请输入图书出版时间:");

fflush(stdin);

scanf("%s",p->pbtime);

printf("n 请输入图书分类号:");

fflush(stdin);

scanf("%s",p->classfy);

printf("n 请输入图书价格:");

fflush(stdin);

scanf("%f",&p->pr);

printf("n");

panduan=1;

}}

if(panduan==0)

{printf("n ━━━━ 没有图录! ━━━━nn");

}return;

}/删除作/

void DeleteDoc(struct books_list head)

{struct books_list s,p; /s为中间变量，p为遍历时使用的指针/

char temp[20];

int panduan; /此变量用于判断是否找到了书目/

panduan=0;

p=s=head;

printf(" [请输入您要删除的书名]:");

scanf("%s",temp);

/遍历到尾结点/

while(p!= NULL)

{if(strcmp(p->bookname,temp)==0)

{panduan++;

}p=p->next;

}if(panduan==1)

{for(;s->next!=p;) /找到所需删除结点的上一个结点/

{s=s->next;

}s->next=p->next; /将后一地址赋值给前一的指针域/

free(p);

printf("n ━━━━ 删除成功! ━━━━n");

}else /未找到相应书目/

{printf(" 您输入的书目不存在，请确认后输入!n");

}return;

}int main(void)

{struct books_list head;

char cho;

head=NULL;

for(;;) /实现反复输入选择/

printf(" ┃ ┃ socat 图书管理系统 ┃ ┃n");

printf(" ┃ ┗━━━━━━━━━━━━━━━━━━━┛ ┃n");

printf(" ┃ ●[1]图书信息录入 ┃n");

printf(" ┃ ┃n");

printf(" ┃ ●[2]图书信息浏览 ┃n");

printf(" ┃ ┃n");

printf(" ┃ ●[3]图书信息查询 ┃n");

printf(" ┃ ┃n");

printf(" ┃ ●[4]图书信息修改 ┃n");

printf(" ┃ ┃n");

printf(" ┃ ●[5]图书信息删除 ┃n");

printf(" ┃ ┃n");

printf(" ┃ ●[6]退出系统 ┃n");

printf(" ┗━━━━━━━━━━━━━━━━━━━━━━━┛n");

printf(" 请选择:");

fflush(stdin);

scanf("%c",&cho);

if(cho=='1')

{if(head==NULL)

{head=Create_Books_Doc();

}InsertDoc(head);

}else if(cho=='2')

{Print_Book_Doc(head);

}else if(cho=='3')

{search_book(head);

}else if(cho=='4')

{_change(head);

}else if(cho=='5')

{DeleteDoc(head);

}else if(cho=='6')

{printf("n");

printf(" ━━━━━━━━ 感谢使用图书管理系统 ━━━━━━━━n");

}else

{printf(" ━━━━ 输入错误，请重新输入！━━━━");

}}

return 0;

}

C语言图书信息管理系统，具体作包括图书信息的录入、添加、显示、查找、删除、排序和保存等功能。

("cls");

#include

using namespace std;

class Library{

map book_num;

vector people_num;

map::iterator ib;

vector::iterator ip;

public:

Library(){

ib=book_num.begin();

ip=people_num.begin();

}void set_book_num(string,string);

void delete_book_num(string);

void find_book_num(string);

void change_booke_num(string,string);

void add_people_num(string);

void lend_num(string,string);

void return_num(string,string);

void file_book(vector::iterator);

void file_people(vector::iterator);

};

void Library::set_book_num(string A,string B){

book_num.insert(A,B);

}void Library::add_people_num(string A){

people_num.push_back(A);

}void Library::find_book_num(string A){

map::在单链表l中查找;iterator result =find(book_num.begin(), book_num.end(), A);

if(result==book_num.end())

cout<<"图书馆中查无此书!"<

else

cout<<"图书馆中此书信息如下:"<

cout<first<<":"<second<

}void Library::delete_book_num(string A){

map::iterator result =find(book_num.begin(), book_num.end(), A);

if(result==book_num.end())

cout<<"图书馆中查无此书!"<

else

book_num.erase(result);

cout<<"已成功删除该书在图书馆中的记录"<

}void Library::change_booke_num(string A,string B){

map::iterator result =find(book_num.begin(), book_num.end(), A);

if(result==book_num.end())

cout<<"图书馆中查无此书!"<

else

result->second=B;

}void Library::file_people(vector::iterator ifp){

ofstream file_p;

file_p.open("/Users/apple/Documents/Library_p.txt",ios::out);

if(!file_p.is_open())

{cerr<<"open file_people fail"<

exit(-1);

}file_p<

file_p.close();

}void Library::file_book(vector::iterator ibp){

ofstream file_b;

file_b.open("/Users/apple/Documents/Library_b.txt",ios::out);

if(!file_b.is_open())

{cerr<<"open file_people fail"<

exit(-1);

}file_b<

file_b.close();

}

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