1.书馆借阅系统源代码

书馆借阅系统源代码

       #include<stdio.h> #include<string.h> #include<conio.h> #include<stdlib.h> #include<ctype.h> #define STACK_INIT_SIZE #define OK 1 #define TRUE 1 #define FALSE 0 #define ERROR 0 struct student /*定义学生类型，源码用于存放借出的源码书籍*/ { int carnum; char lendbook[]; }student[]; struct employ /*定义职工类型*/ { int employnum; char employname[]; int employage; char employsex[2]; char employleve[]; long int employtage; }employ[]; struct book /*定义书的类型*/ { int booknum; char bookname[]; char bookcreat[]; int turefalse; /*用于借书和还书模块判断一本书是否借出的条件*/ }book[]; struct car /*借书卡的数据类型*/ { int carnum; char studentname[]; int studentclass; }car[]; 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，源码防止数据遭破坏*/ int i,源码极域电子源码n; int carnum; char lendbook[]; 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("请输入你要还的源码书的名字\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，源码2020年bc源码论坛否则出错显示*/ { fclose(fp); fp=fopen("record.txt",源码"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源码记录*/ { 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("你没有借这样的源码书，任意键返回\n"); /*出错提示*/ fclose(fp); getch(); return 0; } } printf("系统没这样的源码卡，和管理员联系,源码按任意键返回\n"); /*出错提示*/ fclose(fp); getch(); } findbook() { FILE *fp; char bookname[]; int ture,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(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); } 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; } findbook1() { FILE *fp; char bookcreat[]; int ture,i; fp=fopen("book.txt","r"); printf("请输入你要查找的作者名\n"); scanf("%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 { 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; } 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++) { 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(); return n; } 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,源码其他输入非法！\n"); scanf("%s",源码SVN源码怎么拷贝出来&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'); return FALSE; } 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，源码请借其他书\n");fclose(fp);getch();return;} else fclose(fp); fp=fopen("record.txt",源码"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("不存在这样的电视源码输出到功放书，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(); } 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(); } 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！saas淘客系统源码如果不存在，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"); getch(); return; } else { printf("按任意键返回\n"); getch(); return; } } 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(); }