主菜单01.doc

#include#include#include#include# define LEN sizeof(struct booktype) struct booktypeint num;/图书编号char bookname20;char auther20;char press20;/出版社double price;char leibie20;char publishtime20;/出版时间struct booktype *next; ; struct borrowertypeint num;/借书证号char name20;char sex20;char tel20;int lendnum;/借书数目int booknum;/书的编号struct borrowertype*next; ;void welcomemenu();/欢迎界面void mainmenu();/主菜单void writerdata();/向文件写入图书信息 void reddata();/从文件读图书信息void record();/记录图书信息 void displyall();/显示所有信息void del();/删除void change();/修改void devise(struct booktype*p);/选择更改内容void search_by_bookname();/按书名查询void search_by_price();/按作者名查询void peixu_by_price();/排序void peixu_by_time();void freeAll();/清空链表内容void search_by_auther();void search_by_price();void welcomemenu()printf(n*n);printf(n* 欢迎使用图书管理系统 *n);printf(n* 1.进入系统);printf(t0.退出系统 *n);printf(n*n);printf(n 请选择);void mainmenu () int choice;/scanf(%d&choice); /choice = -1; /readData (); /printf (n温馨提示：为保证您的操作得到保存，请按正常顺序退出系统_n); do printf (nnn); printf (ttt-n);printf (ttt-n); printf (ttt+ 1-录入图书信息 |n);printf (ttt+ 2-浏览图书信息 |n);printf (ttt+ 3-查询图书信息 |n);printf (ttt+ 4-删除图书信息 |n);printf (ttt+ 5-修改图书信息 |n);printf (ttt+ 0-退出系统 |n);printf (ttt+*|n);printf (ttt-n); printf (请输入您的选择：); scanf (%d, &choice); switch (choice) case 0:printf(谢谢使用！再见！ _n);exit (0);case 1:void record ();break;case 2: void displyall(); break;case 3: void search_by_auther(); break; case 4: void del (); break; case 5: void change (); break; default: printf (n无效选项!); break; while (choice != 0);int main()int a;welcomemenu();while(1)printf (请输入您的选择：); scanf (%d, &a );switch