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语言图书借阅管理系统
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2020年4月19日
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#include
2、 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
3、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]; int 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
4、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=fo
5、pen("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");
6、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); fcl
7、ose(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); fo
8、pen("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;
9、 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
10、[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;
11、 } } 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("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(); } int findbook() { FILE *fp; char bookname[10]; int ture,i; fp=fopen("book.txt","r"); printf("请输入你要查
12、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("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);
13、 } else {printf("这本书已经有人借出\n");fclose(fp);return 0;} fclose(fp); return FALSE; } } printf("没有你要查询的书籍\n"); fclose(fp); return FALSE; } int 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("
14、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("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); } else {
15、printf("这本书已经有人借出\n");fclose(fp);return 0;} fclose(fp); return FALSE; } } printf("没有你要查询的书籍\n"); fclose(fp); return FALSE; } int 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++) {
16、 printf("卡号:%d 借出的书籍:%s \n",student[i].carnum,student[i].lendbook); n=n+1; } fclose(fp); printf("当前共有%d本书借出\n",n); printf("按任意键\n"); getch(); return n; } int chabook() { char ch5; do { printf("---------------欢迎进入图书查询系统!--------------\n"); printf(" 1:<按书名查找>\n"); pri
17、ntf(" 2:<按作者查找>\n"); printf(" 0:<返回>\n"); printf("请输入0--2,其它输入非法!\n"); scanf("%s",&ch5); 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'); retur
18、n FALSE; } 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
19、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,请借其它书\n");fclose(fp);getch(
20、);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(
21、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); } fclo
22、se(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.t
23、xt","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 *f
24、p; 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("当前共有%d本书\n",n); printf("按任意键\n"); getch(); } void
25、 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
26、].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(
27、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"); getch(); return; } else { printf("按任意键返回\n"); getch();
28、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); f
29、close(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名字\n"); scanf("%s",employname); for(i=0;fread(&employ[i],sizeof(struct employ),1,fp)
30、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);
31、 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(&
32、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",&emplo
33、y[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
34、的职工学历\n"); scanf("%s",employ[i].employleve); fwrite(&employ[i],sizeof(struct employ),1,fp2); } default: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"
35、); 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); fclose(fp2); fp2=fopen("bookl.txt","w"); fclose(fp2); printf("按任意键返回\n"); getchar(); return; } int delemp
36、loy() { FILE *fp,*fp2; int i; char employname[10],choice; 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++) {
37、 if(strcmp(employname,employ[i].employname)!=0) { fwrite(&employ[i],sizeof(struct employ),1,fp2); } } fclose(fp); fclose(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",&choice); if(choice=='y'||choice=='Y') { fp=fopen("employ.txt","w"); fp2=fop
38、en("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); fclose(fp2); fp2=fopen("bookl.txt","w"); fclose(fp2); printf("按任意键返回\n"); getch(); return TRUE;
39、} else { printf("按任意键返回\n"); getch(); return FALSE; } } void 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]
40、employnum,employ[i].employname,employ[i].employage,employ[i].employsex,employ[i].employleve,employ[i].employtage); n++; } fclose(fp); printf("当前共有%d个职工\n",n); printf("按任意键返回\n"); } void addemploy() { FILE *fp; char choice='y'; int i=1; fp=fopen("employ.txt","a+"); whil
41、e(choice=='y'||choice=='Y') { printf("请你输入职工号码\n"); scanf("%d",&employ[i].employnum); printf("请你输入职工名\n"); 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].employsex); prin
42、tf("请你输入职工的学历水平\n"); scanf("%s",employ[i].employleve); 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",&choice); } printf("按任意键返回\n"); fclose(fp); } void addbook() {
43、FILE *fp; int i=0; char choice='y'; fp=fopen("book.txt","a+"); while(choice=='y'||choice=='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
44、"请设为1或0,1代表书还没人借,0表示书已经借出,设其它值,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",&choice); } fclose(fp); } void bookcount() { FILE *fp; int i,n=0; fp=fopen("book
45、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=
46、n+1; } } fclose(fp); printf("当前共有%d本书\n",n); printf("按任意键\n"); } void delbook() { FILE *fp,*fp2; int i; char bookname[10],choice; 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
47、",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("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",&choice); if(choic
48、e=='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);
49、 printf("按任意键返回\n"); getch(); return; } else { printf("按任意键返回\n"); getch(); return; } } void changebook() { FILE *fp,*fp2; char bookname[10],choice; 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(
50、"%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");
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