C语言课程设计图书馆管理系统

#include<stdio.h>#include<string.h>#include<stdlib.h>#include<ctype.h>//#include "information.h"#define MAXNUM 1000//图书数据类型 typedef struct book{char isbn[25]; /*书号*/char bkname[30]; /*书名*/char author[25]; /*作者*/float price; /*单价*/char press[28]; /*出版社*/int num;/*库存册数*/}BOOK; //int TotalBook;//用线性表保存图书信息 typedef struct{BOOK bk[MAXNUM];int TotalBook;}BookList;BookList booklist;void note(){/*注释：作者：lilililimu 数据：bookdata.txt书号格式：XXX-XXX-XXX-XXX-XXX例：978-7-5063-6543-7 */}main(){//函数原型void ReadData();//读取文件 void WriteData();//写入文件void showbooklist();//图书列表 int showsel();//菜单界面 int bookquery_scanf_float(char s[]);//小数录入int bookbubblesort_showsel();//图书排序菜单 void bookbubblesort();//图书排序int bookin_verification_isbn(char s[]);//书号格式验证 int bookin_exist(char key[]);//根据书号验证图书是否已存在于书库int bookquery_scanf(char s[]);//整数录入 int bookin();//图书入库int bookdelete_showsel();//删除图书显示 int bookdelete_delete(int location);//删除图书删除 int bookdelete();//删除图书void bookquery_key(char s[],char key[]);//获得查询的key值int bookquery_showsel(); //图书查询显示函数 void bookquery_location_show(int i,int flag);//通过查询到的位置显示图书信息 int bookquery_string(char key[],int sel,int location); //通过key查询图书 void bookquery();//图书查询int booksale();//图书销售 int bookscreening_showsel();//图书筛选菜单void bookscreening();//图书筛选 void salesranking();//销量排行榜 void modifytheprice();//修改价格 //主程序 ReadData();int sel; //Initial(&booklist);//信息初始化 /*test===============================================================================/* test================================================================================*/ do{system("cls");sel=showsel();switch(sel){case 0:break;case 1: system("cls");showbooklist();getch();break;//已完成 case 2: system("cls");bookin();getch();break;case 3: system("cls");booksale();getch();break;case 4: system("cls");bookdelete();getch();break;case 5: system("cls");bookquery();getch();break;case 6:system("cls");bookbubblesort();getch();break;case 7: system("cls");bookscreening();getch();break;case 8:system("cls");modifytheprice();getch();break;default:printf("\t\t\t指令不正确!");getch();fflush(stdin);system("cls");break;}}while(sel);WriteData();}//读取文件 void ReadData(){FILE *fp;if ((fp=fopen(".\\bookdata.txt","rb"))==NULL){printf("Can not open the file!\n");return;}fread(&booklist.TotalBook,sizeof(int),1,fp);fread(booklist.bk,sizeof(BOOK),booklist.TotalBook,fp);fclose(fp);}//写入文件void WriteData(){FILE *fp;if ( (fp=fopen("bookdata.txt","wb"))==NULL){printf("Can not open the file!\n");return;}fwrite(&booklist.TotalBook, sizeof(int) ,1 ,fp);fwrite(booklist.bk,sizeof(BOOK),booklist.TotalBook,fp);fclose(fp);}//图书列表 void showbooklist(){int i;printf("\t\t%-5s%-20s%-29s%-20s%-8s%-8s%-20s%\n","序号","书号","书名","作者","价格","数量","出版社");printf("\t\t----------------------------------------------------------------------------------------------------\n"); for (i=0;i<booklist.TotalBook;i++)printf("\t\t%-5d%-20s%-29s%-20s%-8.2f%-8d%-20s%\n\n",i+1,booklist.bk[i].isbn,booklist.bk[i].bkname,booklist.bk[i].author,booklist.bk[i].price,booklist.bk[i].num,booklist.bk[i].press);printf("\n\t\t按任意键退出!");}//菜单界面 int showsel(){int sel;printf("\t\t简易书店管理系统\n");printf("\t\t设计者：184 李俊豪\n");printf("\t\t/6/9 周三\n"); printf("\t---------------------------------\n");printf("\t\t0. 退出程序\n");printf("\t\t1. 图书列表\n");printf("\t\t2. 图书入库\n");printf("\t\t3. 图书销售\n");printf("\t\t4. 删除图书\n");printf("\t\t5. 图书查询\n");printf("\t\t6. 图书排序\n");printf("\t\t7. 图书筛选\n");printf("\t\t8. 价格修改\n");printf("\t----------------------------------\n");printf("\t\t请输入要选择的功能编号：");int ret=scanf("%d",&sel); if(ret) return sel;else{return 15;} }//通过查询到的位置显示图书信息 void bookquery_location_show(int i,int flag){if(flag==0){printf("\t\t%-5s%-20s%-29s%-20s%-8s%-8s%-20s\n","序号","书号","书名","作者","价格","数量","出版社");}printf("\t\t%-5d%-20s%-29s%-20s%-8.2f%-8d%-20s\n",flag+1,booklist.bk[i].isbn,booklist.bk[i].bkname,booklist.bk[i].author,booklist.bk[i].price,booklist.bk[i].num,booklist.bk[i].press); }//根据书号验证图书是否已存在于书库int bookin_exist(char key[]) {int i;for(i=0;i<booklist.TotalBook;i++){if(strcmp(key,booklist.bk[i].isbn)==0){return i;}}return -1;}//小数录入int bookquery_scanf_float(char s[]){float digital;int ret=0;int record=0;do{digital=-3;if(record==0){printf("\t\t请输入%s价格：(或者输入'-1'放弃录入！)\n\t\t",s);}else{printf("\t\t价格格式有误！请重新输入价格：(或者输入'-1'放弃录入！)\n\t\t");}record++;ret=scanf("%f",&digital);fflush(stdin);}while((!ret||digital<0)&&digital!=-1);if(digital==-1){//printf("\t\t图书入库失败！");return -1;}else{return digital;}}//整数录入 int bookquery_scanf(char s[]){int ret=0;int record=0;float digital=-1;do{if(record==0){printf("\t\t请输入书本的%s：(或者输入'-1'放弃！)\n\t\t",s);}else{printf("\t\t%s输入有误！请重新输入:(或者输入'-1'放弃！)\n\t\t",s);}record++;ret=scanf("%f",&digital);if(ret==0){digital=-5;}if((int)digital==digital&&ret&&digital>0){ret=1;}else if(digital==-1){ret=1;}else{ret=0;}fflush(stdin);}while(!ret);if(digital==-1){//printf("放弃出售！");return -1;}else{return digital;}}//图书入库 int bookin(){printf("\t\tBook In...\n");int record;char flag='y';while(flag=='y'){char key[25]="";int exist=-1;record=0;do{printf("*********************************************************\n");if(record==0){printf("\t\t请输入书号：(或者输入'n'放弃录入！)\n\t\t");}else{printf("\t\t书号格式不正确！请重新输入书号：(或者输入'n'放弃录入！)\n\t\t");}record++;scanf("%s",&key);if(key[0]=='n'){flag='n';}}while(!bookin_verification_isbn(key)&&flag=='y');if(flag!='y'){printf("\t\t图书入库失败！");return 0;}else{exist=bookin_exist(key);if(exist!=-1){//printf("图书已存在，请输入需要增加的数量:\n");bookquery_location_show(exist,0);float digital=-1;digital=bookquery_scanf("数量");if(digital==-1){printf("\t\t图书入库失败！");return 0;}else{booklist.bk[exist].num+=digital;printf("\t\t图书录入成功！\n");bookquery_location_show(exist,0);printf("\t\t是否继续录入?输入y/n.\n\t\t");scanf("%c",&flag);if(flag=='y'){continue;}else{printf("\t\t请按任意键返回主界面！");return 0;}}}else{strcpy(booklist.bk[booklist.TotalBook].isbn,key);}}printf("\t\t新书录入！\n\t\t请输入作者：或者输入'@'放弃录入！\n\t\t");scanf("%s",&booklist.bk[booklist.TotalBook].author);if(booklist.bk[booklist.TotalBook].author[0]=='@'){printf("\t\t图书入库失败！");return 0;}printf("\t\t请输入书名：或者输入'@'放弃录入！\n\t\t");scanf("%s",&booklist.bk[booklist.TotalBook].bkname);if(booklist.bk[booklist.TotalBook].bkname[0]=='@'){printf("\t\t图书入库失败！");return 0;}printf("\t\t请输入出版社：或者输入'@'放弃录入！\n\t\t");scanf("%s",&booklist.bk[booklist.TotalBook].press);if(booklist.bk[booklist.TotalBook].press[0]=='@'){printf("\t\t图书入库失败！");return 0;}float digital;int ret=0;record=0;digital=bookquery_scanf_float("");if(digital==-1){printf("\t\t图书入库失败！");return 0;}else{booklist.bk[booklist.TotalBook].price=digital;}digital=-1;ret=0;record=0;digital=bookquery_scanf("数量");if(digital==-1){printf("\t\t图书入库失败！");return 0;}else{booklist.bk[booklist.TotalBook].num=digital;}booklist.TotalBook+=1;printf("\t\t图书录入成功！\n");bookquery_location_show(booklist.TotalBook-1,0);printf("\t\t是否继续录入?输入y/n.\n\t\t");scanf("%c",&flag);fflush(stdin);}printf("\t\t按任意键返回主界面！");return 0;}//获得查询的key值void bookquery_key(char s[],char key[]){printf("\t\t请输入需要查询的%s:",s);scanf("%s",key);}//删除图书显示 int bookdelete_showsel(){int sel;printf("\t\t删除系统\n");printf("\t---------------------------------\n");printf("\t\t0. 退出程序\n");printf("\t\t1. 删除指定书籍\n");printf("\t\t2. 删除全部数量为零的书籍\n");printf("\t----------------------------------\n");printf("\t\t请输入要选择的功能编号：");int ret=scanf("%d",&sel); if(ret) return sel;else{return 15;} }//删除图书删除 int bookdelete_delete(int location){int i;if(location<0||location>booklist.TotalBook) return -1;for(i=location;i<booklist.TotalBook;i++){booklist.bk[i]=booklist.bk[i+1];}booklist.TotalBook--;return 1;}//删除图书int bookdelete(){printf("\t\tBook Delete...\n");int sel;int location=-1;int resault[5];int flag=0;char choose;int i;char key[25];do{system("cls");sel=bookdelete_showsel();switch(sel){case 0:printf("\t\t按任意键退出！");break;case 1:bookquery_key("书号",key);flag=0;do{location=bookquery_string(key,3,location);if(location!=-1){bookquery_location_show(location,flag);location+=1;resault[flag]=location;flag++;}}while(location!=-1); if(flag==0){printf("\t\t未查到所需信息！");}if(flag>0){do{location=bookquery_scanf("序号");}while(location>flag&&location!=-1);if(location==-1) {printf("放弃删除！");return 0;}else{if(booklist.bk[resault[location-1]-1].num==0){flag=bookdelete_delete(resault[location-1]-1);if(flag==1){printf("\t\t删除成功！");}}else{printf("\t\t图书未售空，无法从书库中移除！");}}}getch();break;case 2:flag=0;for(i=0;i<booklist.TotalBook;i++)if(booklist.bk[i].num==0){bookquery_location_show(flag,i);flag++;}printf("\t\t是否全部删除？输入y/n:");fflush(stdin);choose=getchar();if(choose=='y'){for(flag=0;flag<booklist.TotalBook;flag++){if(booklist.bk[flag].num==0){bookdelete_delete(flag);}} printf("\t\t删除成功！");}else{printf("\t\t放弃删除！");}getch();break;default:printf("\t\t\t指令不正确!");getch();fflush(stdin);system("cls");break;}}while(sel);} //图书查询void bookquery(){printf("/t/t/tBook query...");int sel;do{system("cls");sel=bookquery_showsel();char key[30]="";int location=-1;int flag=0;switch(sel){case 0:printf("\t\t按任意键退出！");break;case 1:bookquery_key("书名",key);do{location=bookquery_string(key,1,location);if(location!=-1){bookquery_location_show(location,flag);location+=1;flag++;}}while(location!=-1); if(flag==0){printf("\t\t未查到所需信息！");}getch();break;case 2:flag=0;location=-1;bookquery_key("作者",key);do{location=bookquery_string(key,2,location);if(location!=-1){bookquery_location_show(location,flag);location+=1;flag++;}}while(location!=-1); if(flag==0){printf("\t\t未查到所需信息！");}getch();break;case 3:flag=0;location=-1;bookquery_key("书号",key);do{location=bookquery_string(key,3,location);if(location!=-1){bookquery_location_show(location,flag);location+=1;flag++;}}while(location!=-1); if(flag==0){printf("\t\t未查到所需信息！");}getch();break;case 4:flag=0;location=-1;bookquery_key("出版社",key);do{location=bookquery_string(key,4,location);if(location!=-1){bookquery_location_show(location,flag);location+=1;flag++;}}while(location!=-1); if(flag==0){printf("\t\t未查到所需信息！");}getch();break; default:printf("\t\t\t指令不正确!");getch();fflush(stdin);system("cls");break;}}while(sel);}//图书销售 int booksale(){printf("\t\tBook Sale...\n");char key[30];int resault[5];int location=-1;int flag=0;printf("\t\t请输入你要出售的书名：或者输入'@'放弃录入！\n\t\t");scanf("%s",key);if(key[0]=='@'){printf("\t\t放弃出售！");return 0;}do{location=bookquery_string(key,1,location);if(location!=-1){bookquery_location_show(location,flag);location+=1;resault[flag]=location;flag++;}}while(location!=-1); if(flag==0){printf("\t\t未查到所需信息！");}if(flag>0){do{location=bookquery_scanf("序号");}while(location>flag&&location!=-1);if(location==-1) {printf("\t\t放弃出售！");return 0;}else{do{flag=bookquery_scanf("数量"); if(flag>booklist.bk[resault[location-1]-1].num){printf("\t\t需要出售数量大于书库中书本数量，请重新输入！\n");}}while(flag!=-1&&flag>booklist.bk[resault[location-1]-1].num);if(flag==-1) {printf("\t\t放弃出售！");return 0;}}} if(flag>0&&booklist.bk[resault[location-1]-1].num!=0){booklist.bk[resault[location-1]-1].num-=flag;bookquery_location_show(resault[location-1]-1,0);printf("\t\t出售成功！");if(booklist.bk[resault[location-1]-1].num==0){printf("\n\t\t书本已售空，是否从书库移除?y/n:");scanf("%s",key);if(key[0]=='y'){bookdelete_delete(resault[location-1]-1);printf("\t\t移除成功！按任意键退出！");}else printf("\t\t请按任意键退出！");}}return 0;}//图书排序菜单int bookbubblesort_showsel(){int sel;printf("\t\t排序系统\n");printf("\t---------------------------------\n");printf("\t\t0. 退出程序\n");printf("\t\t1. 根据数量由大到小排序\n");printf("\t\t2. 根据数量由小到大排序\n");printf("\t\t3. 根据价格由大到小排序\n");printf("\t\t4. 根据价格由小到大排序\n");printf("\t\t5. 根据作者姓名排序\n");printf("\t----------------------------------\n");printf("\t\t请输入要选择的功能编号：");int ret=scanf("%d",&sel); if(ret) return sel;else{return 15;} } //图书排序 void bookbubblesort(){int i;int j;int sel;BOOK temp;do{system("cls");sel=bookbubblesort_showsel();switch(sel){case 0:printf("\t\t按任意键退出！");break;case 1: if (booklist.TotalBook == 0){printf("\t\t书库为空！");return;}for (i = 0; i < booklist.TotalBook-1;i++)for (j = 0; j < booklist.TotalBook-1;j++)if (booklist.bk[j].num<booklist.bk[j+1].num){{temp = booklist.bk[j];booklist.bk[j]= booklist.bk[j+1];booklist.bk[j+1] = temp;}}printf("\t\t排序完成！");getch();break;case 2:if (booklist.TotalBook == 0){printf("\t\t书库为空！");return;}for (i = 0; i < booklist.TotalBook-1;i++)for (j = 0; j < booklist.TotalBook-1;j++)if (booklist.bk[j].num>booklist.bk[j+1].num){{temp = booklist.bk[j];booklist.bk[j]= booklist.bk[j+1];booklist.bk[j+1] = temp;}}printf("\t\t排序完成！");getch();break;case 3:if (booklist.TotalBook == 0){printf("\t\t书库为空！");return;}for (i = 0; i < booklist.TotalBook-1;i++)for (j = 0; j < booklist.TotalBook-1;j++)if (booklist.bk[j].price<booklist.bk[j+1].price){{temp = booklist.bk[j];booklist.bk[j]= booklist.bk[j+1];booklist.bk[j+1] = temp;}}printf("\t\t排序完成！");getch();break;case 4:if (booklist.TotalBook == 0){printf("\t\t书库为空！");return;}for (i = 0; i < booklist.TotalBook-1;i++)for (j = 0; j < booklist.TotalBook-1;j++)if (booklist.bk[j].price>booklist.bk[j+1].price){{temp = booklist.bk[j];booklist.bk[j]= booklist.bk[j+1];booklist.bk[j+1] = temp;}}printf("\t\t排序完成！");getch();break;case 5:if (booklist.TotalBook == 0){printf("\t\t书库为空！");return;}for (i = 0; i < booklist.TotalBook-1;i++)for (j = 0; j < booklist.TotalBook-1;j++)if (strcmp(booklist.bk[j].author,booklist.bk[j+1].author)>0){{temp = booklist.bk[j];booklist.bk[j]= booklist.bk[j+1];booklist.bk[j+1] = temp;}}printf("\t\t排序完成！");getch();break;default:printf("\t\t\t指令不正确!");getch();fflush(stdin);system("cls");break;}}while(sel);} //图书筛选菜单 int bookscreening_showsel(){int sel;printf("\t\t筛选系统\n");printf("\t---------------------------------\n");printf("\t\t0. 退出程序\n");printf("\t\t1. 根据价格区间筛选\n");printf("\t\t2. 根据数量区间筛选\n");printf("\t----------------------------------\n");printf("\t\t请输入要选择的功能编号：");int ret=scanf("%d",&sel); if(ret) return sel;else{return 15;} }//图书筛选 void bookscreening(){/*根据价格区间，同一作者，同一出版商筛选图书，方便顾客购买，功能可依赖于图书查询*/printf("\t\tBook screening...");int sel;do{float max=-1;float min=-1;int i;int flag=0;system("cls");sel=bookscreening_showsel();switch(sel){case 0:printf("\t\t按任意键退出！");break;case 1:max=bookquery_scanf_float("最大"); if(max!=-1){min=bookquery_scanf_float("最小"); }if(max>min&&max!=-1&&min!=-1){for(i=0;i<booklist.TotalBook;i++){if(booklist.bk[i].price<=max&&booklist.bk[i].price>=min){bookquery_location_show(i,flag);flag++;}}}if(flag==0){printf("\t\t没有符合条件的数据！按任意键退出！\n");}getch();break;case 2:max=bookquery_scanf("最大数量"); if(max!=-1){min=bookquery_scanf("最小数量"); }if(max>min){for(i=0;i<booklist.TotalBook;i++){if(booklist.bk[i].num<=max&&booklist.bk[i].num>=min){bookquery_location_show(i,flag);flag++;}}}if(flag==0){printf("\t\t没有符合条件的数据！按任意键退出！\n");}getch();break;default:printf("\t\t\t指令不正确!");getch();fflush(stdin);system("cls");break;}}while(sel);}//图书销量排行榜 void salesranking(){printf("salesranking...");}//书号格式验证 int bookin_verification_isbn(char s[]){int flag=1;int i;int num=0;char s1[13];//数字书号 if(strlen(s)!=17){//位数验证 flag*=0;}for(i=0;i<17;i++){if(isdigit(s[i])){num++;} }if(num!=13){flag*=0;}char s2=s[0];if(isdigit(s2)==0){flag*=0;}s2=s[16];if(isdigit(s2)==0){flag*=0;}return flag;}// 图书查询显示函数 int bookquery_showsel(){int sel;printf("\t\t图书查询系统\n");printf("\t---------------------------------\n");printf("\t\t0. 退出系统\n");printf("\t\t1. 以书名查询\n");printf("\t\t2. 以作者查询\n");printf("\t\t3. 以书号查询\n");printf("\t\t4. 以出版社查询\n");printf("\t----------------------------------\n");printf("\t\t请输入要选择的功能编号：");int ret=scanf("%d",&sel); if(ret) return sel;else{return 15;} }//通过key查询图书 int bookquery_string(char key[],int sel,int location){switch(sel){case 1:for(location;location<booklist.TotalBook;location++){if(strcmp(key,booklist.bk[location].bkname)==0){return location;}}break;case 2:for(location;location<booklist.TotalBook;location++){if(strcmp(key,booklist.bk[location].author)==0){return location;}}break;case 3:for(location;location<booklist.TotalBook;location++){if(strcmp(key,booklist.bk[location].isbn)==0){return location;}}break;case 4:for(location;location<booklist.TotalBook;location++){if(strcmp(key,booklist.bk[location].press)==0){return location;}}break;}return -1;} //修改价格 void modifytheprice(){char key[25];float digital;int flag=0;int resault[5];int location=-1;bookquery_key("书号",key);do{location=bookquery_string(key,3,location);if(location!=-1){bookquery_location_show(location,flag);location+=1;resault[flag]=location;flag++;}}while(location!=-1); if(flag==0){printf("\t\t未查到所需信息！");}if(flag>0){do{location=bookquery_scanf("序号");}while(location>flag&&location!=-1);if(location==-1) {printf("\t\t放弃修改！");getch();return ;}else{digital=bookquery_scanf_float("");if(digital!=-1){booklist.bk[resault[location-1]-1].price=digital;bookquery_location_show(resault[location-1]-1,1);printf("\t\t修改成功！");}}}return;}