管理系统程序是一个偏长的c语言程序，其中包含的函数公式涉及面很广，令人难以捉摸。
１、顺应时代发展要求
２、技术先进
３、功能强大
４、高度灵活性
５、高度安全性
６、读者自助服务
7、简单易用
#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 ERROR 0 /*定义学生类型，用于存放借出的书籍*/ struct student { int carnum; char lendbook[10]; }student[1000]; /*定义书的类型*/ struct book{ int booknum; char bookname[20]; float bookprice;char bookcreat[20]; 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]; /*借书卡的数据类型*/ struct car{ int carnum; char sex[5];char studentname[20]; int studentclass; }car[1000];/*查询图书信息模块*//*(1)按书名查找*/findbook(){ FILE *fp; char bookname[10]; int i; fp=fopen("book.txt","r");printf("请输入你要查找的书名:\n"); scanf("%s",bookname); for(i=0;fread(&book[i],sizeof(structbook),1,fp)!=0;i++) { if(strcmp(bookname,book[i].bookname)==0) { if(book[i].turefalse==1) { printf(" 书号 书名 作者 \n %d %s %s \n",book[i].booknum,book[i].bookname,book[i].bookcreat);printf("此书现在无人借阅\n按任意键返回\n");} else {printf("这本书已经有人借出\n");fclose(fp);return 0;} fclose(fp); return 0; } } printf("抱歉无此书!\n");fclose(fp); return 0; }/*(2)按作者查找*/findbook1(){ FILE *fp; char bookcreat[10]; int i; fp=fopen("book.txt","r");printf("请输入作者名:\n"); scanf("%s",bookcreat); for(i=0;fread(&book[i],sizeof(structbook),1,fp)!=0;i++) { if(strcmp(bookcreat,book[i].bookcreat)==0) { if(book[i].turefalse==1) { printf(" 书号 书名 作者\n %d %s %s\n",book[i].booknum,book[i].bookname,book[i].bookcreat); printf("此书现在无人借阅\n按任意键返回\n"); }else {printf("此书已借出!\n");fclose(fp);return 0; } fclose(fp); return 0; } } printf("没有此书籍\n");fclose(fp); return 0; }chabook()/*查找图书主模块 */{ 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:\n"); ch5=getch(); 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');return 0; }/*借书与还书模块*//*(1).借书模块*/lendbook() { FILE *fp,*fp2; int i,n; int carnum; ("cls");printf("\t\t*****欢迎进入借书系统*****\n\n");printf("请输入借书人的:\n卡号:\n"); scanf("%d",&carnum); fp=fopen("car.txt","r");for(i=0;fread(&car[i],sizeof(structcar),1,fp)!=0;i++) { if(car[i].carnum==carnum) { n=i; fclose(fp); printf("书名:\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();return0;} 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 0; } } printf("不存在这样的书，任意键返回...\n"); fclose(fp); getch(); return 0; } } printf("你的卡号不存在，请申请新卡,按任意键返回...\n"); fclose(fp); getch(); return 0;}/*(2).还书函数*/huanbook() { 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]; system("cls");printf("\t\t@@@@欢迎进入还书界面@@@@");printf("\n请你输入你的\n卡号:\n"); scanf("%d",&carnum); fp=fopen("car.txt","r");/*读取卡号记录*/ for(i=0;fread(&car[i],sizeof(structcar),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 1; } } 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("没这样的卡，和联系,按任意键返回...\n"); /*出错提示*/ fclose(fp); getch(); return 0;}/*(3).借书统计*/lendcount() { FILE *fp; int i,n=0; fp=fopen("record.txt","r");for(i=0;fread(&student[i],sizeof(structstudent),1,fp)!=0;i++) { printf("卡号 借出的书籍 \n"); printf("%d %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; }/*会员卡管理模块*//*(1).增加会员卡*/addcar() { FILE *fp; int i=0; fp=fopen("car.txt","a+");printf("卡号:\n");scanf("%d",&car[i].carnum);printf("性别:\n");scanf("%s",car[i].sex);printf("姓名:\n");scanf("%s",car[i].studentname);printf("班级:\n");scanf("%d",&car[i].studentclass);fwrite(&car[i],sizeof(structcar),1,fp); fclose(fp); printf("输入完毕，任意键返回...\n"); getch(); }/*(2).删除会员卡*/delcar() { FILE *fp,*fp2; int i; int carnum; char choice; fp=fopen("car.txt","r");fp2=fopen("bookl.txt","w");printf("要删除的卡号(不存在则不作改动):\n"); scanf("%d",&carnum); for(i=0;fread(&car[i],sizeof(structcar),1,fp)!=0;i++) { if(car[i].carnum!=carnum) { fwrite(&car[i],sizeof(struct car),1,fp2); } } fclose(fp); fclose(fp2);printf("确认删除?(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("操作成功!\n按任意键返回...\n"); getch(); return 0; } else { printf("操作已取消!\n按任意键返回...\n"); getch(); return 0; } }/*(3).会员卡统计*/carcount() { FILE *fp; int i,n=0; fp=fopen("car.txt","r");for(i=0;fread(&car[i],sizeof(structcar),1,fp)!=0;i++) { printf("第%d张卡 \n",i+1); printf("卡号 性别 姓名 班级 \n"); printf(" %d %5s %10s %3d\n\n",car[i].carnum,car[i].sex,car[i].studentname,car[i].studentclass); n=n+1; } fclose(fp); printf("目前共有%d个会员。\n",n); printf("按任意键返回...\n"); getch(); }/*图书管理模块*//*(1).增加图书信息*/addbook() { FILE *fp; int i=0; char choice='y'; fp=fopen("book.txt","a+");while(choice=='y'||choice=='Y') { printf("书号:\n"); scanf("%d",&book[i].booknum); printf("书名:\n"); scanf("%s",book[i].bookname); printf("作者:\n"); scanf("%s",book[i].bookcreat); printf("单价:\n"); scanf("%f",&book[i].bookprice); printf("请你设定书的状态(1在架/0不在):\n"); scanf("%d",&book[i].turefalse); fwrite(&book[i],sizeof(struct book),1,fp); printf("是否要输入下本书(y/n)\n"); scanf("%s",&choice); } fclose(fp); }/*(2).删除图书信息*/ delbook() { FILE *fp,*fp2; int i; char bookname[10],choice; fp=fopen("book.txt","r");fp2=fopen("bookl.txt","w");printf("书名:\n");scanf("%s",bookname); for(i=0;fread(&book[i],sizeof(structbook),1,fp)!=0;i++) { if(strcmp(bookname,book[i].bookname)!=0) { fwrite(&book[i],sizeof(struct book),1,fp2); } } fclose(fp); fclose(fp2); printf("确认删除(y/n)?\n");scanf("%s",&choice); if(choice=='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); printf("按任意键返回...\n"); getch(); return 0; } else { printf("按任意键返回...\n"); getch(); return 0; } }/*(3)修改图书*/changebook() { FILE *fp,*fp2; char bookname[10],choice; int i; fp=fopen("book.txt","r");fp2=fopen("bookl.txt","w");printf("书名:\n");scanf("%s",bookname); for(i=0;fread(&book[i],sizeof(structbook),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 书名 作者 \n"); printf("%d %s %s\n",book[i].booknum,book[i].bookname,book[i].bookcreat); printf("1:修改书号:\n"); printf("2: 修改书名:\n"); printf("3: 修改作者:\n"); printf("4: 修改单价:"); printf("请输入1━3:"); choice=getch(); switch(choice) { case '1': { printf("新书号:\n"); scanf("%d",&book[i].booknum); fwrite(&book[i],sizeof(struct book),1,fp2); }break; case '2': { printf("新书名:\n"); scanf("%s",book[i].bookname); fwrite(&book[i],sizeof(struct book),1,fp2); }break; case '3': { printf("新的作者:\n"); scanf("%s",book[i].bookcreat); fwrite(&book[i],sizeof(struct book),1,fp2); }break; case '4':{ printf("新的单价:");scanf("%f",book[i].bookprice); fwrite(&book[i],sizeof(struct book),1,fp2); } default:printf("没有这样的操作!");break; } 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(structbook),1,fp2)!=0;i++) { fwrite(&book[i],sizeof(struct book),1,fp); } fclose(fp); fp2=fopen("bookl.txt","w");fclose(fp2); printf("按任意键返回...\n"); getchar(); return 0; } /*(4).图书统计*/bookcount() { FILE *fp; int i,n=0; fp=fopen("book.txt","r");for(i=0;fread(&book[i],sizeof(structbook),1,fp)!=0;i++) { if(book[i].booknum!=0&&strlen(book[i].bookname)!=0&&strlen(book[i].bookcreat)!=0) { printf("第%d本书\n序号 书名 作者 单价 状态 \n",i+1); printf(" %d %10s ",book[i].booknum,book[i].bookname); printf("%15s %4.2f %d(1在/0不在)\n",book[i].bookcreat,book[i].bookprice,book[i].turefalse);n=n+1; } } fclose(fp); printf("目前共有%d本书.\n",n); printf("按任意键返回...\n"); }/*结束界面函数*/end(){ system("cls");printf("\t\t********************************\n");printf("\t\t********************************\n");printf("\t\t**** 谢谢使用本系统 , 再见! ****\n");printf("\t\t********************************\n");printf("\t\t********************************\n"); }/*主函数*/main() { char ch1,ch2,ch4; do{ system("cls"); printf("\t\t********************************\n"); printf("\t\t********************************\n"); printf("\t\t***** 欢迎进入图书管理系统 *****\n"); printf("\t\t********************************\n"); printf("\t\t********************************\n"); printf(" 请选择:\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━4:\n"); ch1=getch(); switch(ch1) { case '1':chabook();break; case '2':lendbook();;break; case '3':{ do { system("cls"); printf("\t\t*******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 \n"); printf(" 4:图书统计 \n"); printf(" 5:会员管理系统 \n"); printf(" 0:返回 \n"); printf("请输入0━5:\n"); ch2=getch(); switch(ch2) { case '1':addbook(); break; case '2':delbook();break; case '3':changebook();break; case '4':bookcount();getch();break; case '5':{ do { system("cls"); printf("\t\t····欢迎进入学生管理系统····\n"); printf(" 1: 申请新卡\n"); printf(" 2: 删除卡号\n"); printf(" 3: 借书统计\n"); printf(" 4: 卡号统计\n"); printf(" 0: 返回\n"); printf("请输入0━4:\n"); ch4=getch(); switch(ch4) { case '1':addcar();break; case '2':delcar();break; case '3':lendcount();break; case '4':carcount();break; case '0':break; default:printf("无此操作!\n");getch();break; } }while(ch4!='0');}break; case '0':break; default:printf("无此操作!\n");getch();break; } } while(ch2!='0');}break; case '4':huanbook();break; case '0':break; default:printf("无此操作!\n");getch();break; } }while(ch1!='0'); }