tushuguanlixitong.cpp

图书管理系统大家

#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 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 employsex[2]; 
char employleve[10]; 
long int employtage; 
}employ[50]; 
struct book /*定义书的类型*/ 
{ 
int booknum; 
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]; 

void huanbook() /*还书函数*/ 
{ 
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]; 
printf("请你输入你的卡号\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; 
} 
} 
printf("你没有借这样的书，不要耍我，任意键返回\n"); /*出错提示*/ 
fclose(fp); 
getch(); 
return; 

} 
} 
printf("系统没这样的卡，和管理员联系,按任意键返回\n"); /*出错提示*/ 
fclose(fp); 
getch(); 
} 
void lendcount() /*其他的自己看就懂了，不行也可以qq联系:258032791，c++版本要的话跟我说，愿意交爱好编程的交友，毕业没时间了，找工作忙，有些模块没写，发现什么问题自己改，*/ 
{ 
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：%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(); 
} 
void chabook() 
{ 
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,其他输入非法！\n");
scanf("%s",&ch5); 
void findbook();
switch(ch5) 
{ 
case '1':findbook();getch();break; 
case '2':printf("按作者查找，有时间再写\n");getch();break; 
case '0':break; 
default:printf("无此操作\n");getch();break;
} 
}while(ch5!='0'); 
} 
void lendbook() 
{ 
FILE *fp,*fp2; 
int i,n; 
int carnum; 
printf("请你输入你的卡号\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("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 
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; 
} 
} 
printf("不存在这样的书，任意键返回\n"); 
fclose(fp); 
getch(); 
return; 
} 
} 
printf("你的卡号不存在，请申请新卡,按任意键返回\n"); 
fclose(fp); 
getch(); 
} 
void 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<卡号：%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(); 
} 
void delcar() 
{ 
FILE *fp,*fp2; 
int i; 
int carnum; 
char choice; 
fp=fopen("car.txt","r"); 
fp2=fopen("bookl.txt","w"); 
printf("请输入你要删除的卡号\n"); 
printf("如果你输入的卡号存在，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); 
} 
} 
fclose(fp); 
fclose(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",&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("按任意键返回\n"); 
return; 
} 
else 
{ 
printf("按任意键返回\n"); 
getch(); 
return; 
} 
} 
void addcar() 
{ 
FILE *fp; 
int i=0; 
fp=fopen("car.txt","a+"); 
printf("请你输入卡号\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); 
fclose(fp); 
printf("输入完毕，任意键返回\n"); 
getch(); 
} 
void changemploy() 
{ 
FILE *fp,*fp2; 
char employname[10],choice; 
int i; 
fp=fopen("employ.txt","r"); 
fp2=fopen("bookl.txt","w"); 
printf("请你输入要修改的职工的书字\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].employsex,employ[i].employleve,employ[i].employtage); 
printf("1：修改职工的号\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",&choice); 
switch(choice) 
{ 
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; 
case '2': 
{ 
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].employleve); 
fwrite(&employ[i],sizeof(struct employ),1,fp2); 
} 
defaut:printf("没有这样的操作");break; 
} 
continue; 
} 
fwrite(&employ[i],sizeof(struct employ),1,fp2); 
} 
fclose(fp); 
fclose(fp2); 
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);