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C语言实现图书管理系统_c语言图书管理系统源代码
作者：菜鸟追梦旅行 | 2024-04-28 01:56:18
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c语言图书管理系统源代码
C语言实现图书管理系统
代码如下：
# include "stdio.h" # include "stdlib.h" # include "string.h" # define size 100 typedef struct { long booknumber; char bookname[15]; char auther[20]; char press[20]; float price; int nownum; }book; typedef struct { long cardnumber; char name[20]; char sex[10]; long tel; char clas[20]; char condition[20]; }Member; void Bookfound(); void Bookdel(); void Bookadd(); void Booklook(); void Booksearch(); void Memberadd(); void Memberchange(); void Bookborrow(); void Bookreturn(); //***********************************************// int login(char password[]) { static char key[10]="123"; if(strcmp(password,key)==0) return 1; else return 0; } void main() { int choice; do { printf("|==========================================|\n"); printf("| 欢迎使用图书管理系统 |\n"); printf("|******************************************|\n"); printf("| 图书管理 |\n"); printf("|==========================================|\n"); printf("| 1,创建图书信息 |\n"); printf("| 2,删除图书 |\n"); printf("| 3,增添图书 |\n"); printf("| 4,按名称查询图书 |\n"); printf("| 5,按作者查询图书 |\n"); printf("| 6,创建读者信息 |\n"); printf("| 7,修改读者信息 |\n"); printf("|==========================================|\n"); printf("| 借书和还书管理 |\n"); printf("|******************************************|\n"); printf("| 8,借书 |\n"); printf("| 9,还书 |\n"); printf("| 0,退出系统 |\n"); printf("============================================\n"); printf("\n您好！请输您的选择(1,2,3,4,5,6,7,8,9,0):\n"); scanf("%d",&choice); switch(choice) { case 1:Bookfound();break; case 2:Bookdel();break; case 3:Bookadd();break; case 4:Booklook();break; case 5:Booksearch();break; case 6: Memberadd();break; case 7: Memberchange();break; case 8:Bookborrow();break; case 9:Bookreturn();break; case 0:exit(0);break; } }while(1); } //************************1输入图书信息***********************// void Bookfound() { FILE *fp=NULL; book a; char filename[20]=""; int h=1; printf("\n为了存储图书信息请输入一个文件名.\n"); scanf("%s",filename); if((fp=fopen(filename,"wb+"))==NULL) { printf("\ncan not open this file"); return; } printf("请输入书的信息\n"); printf("如过你输入的书号为0则表示输入结束了\n"); while(h<=size) { printf("请输入书号:\n"); scanf("%ld",&a.booknumber); if(a.booknumber==0) break; printf("请输入书名:\n"); scanf("%s",a.bookname); printf("请输入作者:\n"); scanf("%s",a.auther); printf("请输入出版社:\n"); scanf("%s",a.press ); printf("请输入价格:\n"); scanf("%f",&a.price ); printf("请输入当前的数量:\n"); scanf("%d",&a.nownum); printf("==================================\n"); if(fwrite(&a,sizeof(book),1,fp)!=1) { printf("write file %s fail",filename); return; } h++; } fclose(fp); printf("你输入书的信息已经成功存储在文件里了\n"); printf("输入文件的内容如下:\n"); if((fp=fopen(filename,"rb+"))==NULL) { printf("can not open the file.\n"); return; } printf("\n书号\t书名\t作者\t出版社\t价格\t数量\n"); while(fread(&a,sizeof(book),1,fp)!=0) { printf("\n%ld\t%s\t%s\t%s\t%f\t%d\n",a.booknumber,a.bookname,a.auther,a.press,a.price ,a.nownum ); } fclose(fp); } //************************删除图书信息***********************// void Bookdel() { int i; long No; book a; book s[size]; int R; char filename[30]; FILE *fp; printf("\n请输入存放书的文件名.\n"); scanf("%s",filename); if((fp=fopen(filename,"rb"))==NULL) { printf("\ncan not open this file"); return; } printf("请输入你要删除的书号:\n"); scanf("%ld",&No); printf("你要删除的书号为:%ld\n",No); R=0; while(fread(&a,sizeof(book),1,fp)!=0) { if(a.booknumber!=No) { s[R].booknumber=a.booknumber; strcpy(s[R].bookname,a.bookname); strcpy(s[R].auther,a.auther); strcpy(s[R].press,a.press); s[R].price =a.price; s[R].nownum =a.nownum ; R++; } } fclose(fp); if((fp=fopen(filename,"wb+"))==NULL) { printf("\ncan not open this file"); return; } for(i=0;i<R;i++) { if(fwrite(&s[i],sizeof(book),1,fp)!=1) { printf("write file %s fail",filename); return; } } fclose(fp); if((fp=fopen(filename,"rb"))==NULL) { printf("\ncan not open this file"); return; } printf("删除以后文件里的内容如下:\n"); printf("\n书号r\t书名\t作者\t出版社\t价格\t数量\n"); while(fread(&a,sizeof(book),1,fp)!=0) { if(a.booknumber!=0) printf("\n%ld\t%s\t%s\t%s\t%f\t%d\n",a.booknumber,a.bookname,a.auther,a.press,a.price,a.nownum); } fclose(fp); } //************************增加图书信息***********************// void Bookadd() { FILE *fp=NULL; book a; char filename[30]; int h=1; printf("\n请输入存放书的文件名.\n"); scanf("%s",filename); if((fp=fopen(filename,"a+"))==NULL) { printf("\ncan not open this file"); return; } printf("请输入你要添加的书的信息\n"); printf("如果你输入的书号为0，这表示输入结束\n"); while(h<=size) { printf("请输入书号\n"); scanf("%ld",&a.booknumber); if(a.booknumber==0) break; printf("请输入书名:\n"); scanf("%s",a.bookname); printf("请输入作者:\n"); scanf("%s",a.auther); printf("请输入出版社:\n"); scanf("%s",a.press); printf("请输入价格\n"); scanf("%f",&a.price); printf("请输入当前的数量:\n"); scanf("%d",&a.nownum); printf("==================================\n"); if(fwrite(&a,sizeof(book),1,fp)!=1) { printf("write file %s fail",filename); return; } h++; } if(h>size) printf("\n对不起，您的输入超量了"); fclose(fp); printf("您输入的内容成功存储在文件中\n"); printf("内容如下:\n"); if((fp=fopen(filename,"rb"))==NULL) { printf("cannot open the file\n"); return; } printf("\n书号\t书名\t作者\t出版社\t价格\t数量\n"); while(fread(&a,sizeof(book),1,fp)!=0) { printf("\n%ld\t%s\t%s\t%s\t%f\t%d\n",a.booknumber,a.bookname,a.auther,a.press ,a.price,a.nownum ); } fclose(fp); } //***********************按书名查询图书信息************************// void Booklook() { FILE *fp; book a; char shum[20]; int result=0; char filename[20]; printf("请输入您要查询的书名:\n"); scanf("%s",shum); result=0; printf("\n请输入存储书的文件名.\n"); scanf("%s",filename); if((fp=fopen(filename,"rb"))==NULL) { printf("\ncan not open this file."); return; } while(feof(fp)==0) { {if(fread(&a,sizeof(book),1,fp)!=0) if(strcmp(shum,a.bookname)==0) { printf(":\n您要查找的图书信息如下:\n"); printf("书名:%s\n",a.bookname); printf("书号:%ld\n",a.booknumber); printf("价格:%f\n",a.price); printf("作者:%s\n",a.auther); printf("出版社:%s\n",a.press); printf("当前数量:%d\n",a.nownum); result=1; } } } fclose(fp); if(result==0) { printf("对不起没有你要找的书"); } } //***********************按作者查询图书信息************************// void Booksearch() { FILE *fp; book a; char zuoz[20]; int result=0; char filename[20]; printf("请输入您要查询图书的作者:\n"); scanf("%s",zuoz); result=0; printf("\n请输入存储书的文件名.\n"); scanf("%s",filename); if((fp=fopen(filename,"rb"))==NULL) { printf("\ncan not open this file."); return; } while(feof(fp)==0) { {if(fread(&a,sizeof(book),1,fp)!=0) if(strcmp(zuoz,a.bookname)==0) { printf(":\nnin要查找的图书信息如下:\n"); printf("书名:%s\n",a.bookname); printf("书号:%ld\n",a.booknumber); printf("价格:%f\n",a.price); printf("作者:%s\n",a.auther); printf("出版社:%s\n",a.press); printf("当前数量:%d\n",a.nownum); result=1; } } } fclose(fp); if(result==0) { printf("对不起没有你要找的书"); } } //************************创建读者信息************************// void Memberadd() { FILE *fp=NULL; Member a; char Datafile[30]=""; int count=1; printf("\n请输入存储读者的文件名\n"); scanf("%s",Datafile); if((fp=fopen(Datafile,"a+"))==NULL) { printf("\ncan not open this file"); return; } printf("请输入读者的信息\n"); printf("\n如果输入的卡号为0表示输入结束\n"); while(count<=size) { printf("请输入卡号:\n"); scanf("%ld",&a.cardnumber); if(a.cardnumber==0) break; printf("请输入名字:\n"); scanf("%s",a.name); printf("请输入性别:\n"); scanf("%s",a.sex); printf("请输入手机号码:\n"); scanf("%ld",&a.tel); printf("请输入班级:\n"); scanf("%s",a.clas); printf("请输入借书状态:\n"); scanf("%s",a.condition ); printf("----------------------------------\n"); if(fwrite(&a,sizeof(Member),1,fp)!=1) { printf("write file %s fail",Datafile); return; } count++; } if(count>size) printf("\n对不起，您输入的读者数量超量\n"); fclose(fp); printf("您增添的读者信息已经成功存储在会员文件中\n"); printf("增添后的内容如下:\n"); if((fp=fopen(Datafile,"rb"))==NULL) { printf("cannot open the file\n"); return; } printf("\n卡号\t姓名\t性别\t手机号码\t班级\t借书状态\n"); while(fread(&a,sizeof(Member),1,fp)!=0) { printf("\n%ld\t%s\t%s\t%ld\t%s\t%s\n",a.cardnumber,a.name,a.sex,a.tel,a.clas,a.condition); } fclose(fp); } //************************读者信息修改*****************************// void Memberchange() { FILE *fp; long num; long cardnumber; char name[20]; char sex[10]; long tel; char clas[20]; char condition[20]; Member a; Member s[size]; int R,i; char filename[30]; printf("\n请输入存储读者的文件名\n"); scanf("%s",filename); if((fp=fopen(filename,"rb"))==NULL) { printf("\nopen file %s fail",filename); return; } printf("请输入你要修改的读者的卡号:\n"); scanf("%ld",&num); cardnumber=num; printf("请输入名字:\n"); scanf("%s",name); printf("请输入性别:\n"); scanf("%s",sex ); printf("请输入现在的手机号码:\n"); scanf("%ld",&tel); printf("请输入现在的班级:\n"); scanf("%s",clas); printf("请输入借书状态:\n"); scanf("%s",condition); R=0; while(fread(&a,sizeof(Member),1,fp)!=0) { if(a.cardnumber!=num) { s[R].cardnumber=a.cardnumber; strcpy(s[R].name,a.name); strcpy(s[R].sex,a.sex); strcpy(s[R].clas,a.clas); strcpy(s[R].condition,a.condition); s[R].tel=a.tel; R++; } else { s[R].cardnumber=cardnumber; strcpy(s[R].name,name); strcpy(s[R].sex,sex); strcpy(s[R].clas,clas); strcpy(s[R].condition,a.condition); s[R].tel=tel; R++; } } fclose(fp); if((fp=fopen(filename,"wb+"))==NULL) { printf("cannot open the file\n"); return; } for(i=0;i<R;i++) { if(fwrite(&s[i],sizeof(Member),1,fp)!=1) { printf("\nopen the file %s fail",filename); return; } } fclose(fp); printf("你修改读者内容信息已经成功存储在文件中\n"); printf("修改后的内容如下:\n"); if((fp=fopen(filename,"rb"))==NULL) { printf("can not open the file\n"); return; } printf("\n卡号\t姓名\t性别\t手机号码\t班级\t借书状态\n"); while(fread(&a,sizeof(Member),1,fp)!=0) { if(a.cardnumber!=0) printf("\n%ld\t%s\t%s\t%ld\t%s\t%s\n",a.cardnumber,a.name,a.sex,a.tel,a.clas,a.condition); } fclose(fp); } //***********************借书***********************// void Bookborrow() { FILE *fp; book a; Member b; int mflag=0,flag=0; char bookname[20],membername[20]; char filename[20]; printf("请输入名字:\n"); scanf("%s",membername); printf("\n请输入存储读者的文件名:"); scanf("%s",filename); if((fp=fopen(filename,"rb"))==NULL) { printf("cannot open the file\n"); return; } while(feof(fp)==0) { if(fread(&b,sizeof(Member),1,fp)!=0) { if(strcmp(membername,b.name)==0) { mflag=1; break; } } } fclose(fp); if(mflag==1) { printf("你可以借书\n"); printf("请输入你要借的书名:\n"); scanf("%s",bookname); printf("请输入存储图书的文件名:\n"); scanf("%s",filename); if((fp=fopen(filename,"rb"))==NULL) { printf("cannot open file\n"); return; } while(feof(fp)==0) { if(fread(&a,sizeof(book),1,fp)!=0) { if(strcmp(bookname,a.bookname)==0) { printf("这本书存在\n"); printf("恭喜你你借书成功了\n"); flag=1; } } } if(flag==0) { printf("对不起，这本书被别人借走了\n"); printf("借书失败了\n"); } if(flag==1) { printf("请修该图书和读者信息，把该书的信息添加到图书信息文件中，把读者的状态改为已借书状态\n"); printf("请去选择相应的功能进行修改\n"); } fclose(fp); } } //************************还书************************// void Bookreturn() { FILE *fp; book a; Member b; int mflag=0,flag=0; char bookname[20],membername[20]; char filename[20]; printf("请输入名字:\n"); scanf("%s",membername); printf("\n请输入存储的文件名:"); scanf("%s",filename); if((fp=fopen(filename,"rb"))==NULL) { printf("cannot open the file\n"); return; } while(feof(fp)==0) { if(fread(&b,sizeof(Member),1,fp)!=0) { if(strcmp(membername,b.name)==0) { mflag=1; break; } } } if(mflag==0) { printf("别忽悠人!你不是读者,你不可以还书!\n"); } if(mflag==1) { printf("您可以还书!\n"); fclose(fp); printf("请输入要还的书名:\n"); scanf("%s",bookname); printf("请输入存储图书的文件名:\n"); scanf("%s",filename); if((fp=fopen(filename,"rb"))==NULL) { printf("cannot open file\n"); return; } while(feof(fp)==0) { if(fread(&a,sizeof(book),1,fp)!=0) { if(strcmp(bookname,a.bookname)==0) { printf("恭喜您,还书成功!\n"); flag=1; } } } if(flag==0) { printf("对不起，您还错了。这本书不是我们图书馆的!\n"); printf("对不起,还书失败\n"); flag=0; } if(flag==1) { printf("请修该图书和读者信息，把该书的信息添加到图书信息文件中，把读者的状态改为已换书状态\n"); printf("请选择相应的功能进行修改\n"); } fclose(fp); } }
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运行效果图
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