图书馆管理系统程序设计代码

源程序1.主窗体Private Sub add_back_Click(）frmbackbookinfo.ShowEnd SubPrivate Sub add_binf_Click(）frmaddbookinfo.ShowEnd SubPrivate Sub add_book_style_Click（）frmaddbookstyle。

ShowEnd SubPrivate Sub add_manager_Click（）frmadduser.ShowEnd SubPrivate Sub add_rinf_Click（) frmaddreaderinfo.ShowEnd SubPrivate Sub add_rstyle_Click(）frmaddreaderstyle.ShowEnd SubPrivate Sub change_binf_Click() frmmodifybookinfo。

ShowEnd SubPrivate Sub change_book_style_Click(）frmmodifybookstyle。

ShowEnd SubPrivate Sub delete_binf_Click（）frmmodifybookinfo。

ShowEnd SubPrivate Sub delete_book_style_Click(）frmmodifybookstyle.ShowEnd SubPrivate Sub delete_rstyle_Click（）frmmodifyreaderstyle。

ShowEnd SubPrivate Sub exit_Click（)EndEnd SubPrivate Sub find_binf_Click(）frmfindbook。

ShowEnd SubPrivate Sub find_lend_Click（）frmfindborrowinfo。

ShowEnd SubPrivate Sub find_rinf_Click（）frmfindreader.ShowEnd SubPrivate Sub password_Click（）frmchangepwd。

#include〈stdio.h〉#include<windows.h〉#include〈string。

h〉#include<conio。

h>＃define M 100struct books｛char tsmc［12];inttsbh；float dj；char zz［12］;char czzt［12]；char xm[12］；char xb［12]；intxh; }s［M］;int N；bool flag；intmain （）｛intsele;flag=0；sele=1;void sr（)；void cx（）；void sc()；void js（);void hs(）;void tc（)；void jsh（)；//system （"tsgl”）;printf("\n\n")；printf(" ＊**＊＊＊＊***＊＊＊**＊＊＊******\n"）; printf（" 1：输入2：查询3:删除\n");printf（”4：借书5:还书0：退出\n");printf(” **＊＊＊*＊*******＊*＊**＊＊＊＊＊\n"); while(1）{printf(”\n\n请输入功能序号："）;scanf （”％d",&sele);if(sele>=0 && sele<=5）｛switch（sele)｛case 1：sr（）；break;case 2：cx()；break；case 3:sc（);break;case 4：js（)；break;case 5:hs（）;break;case 0:jsh（）；break;｝if(flag)break；printf（”\n\n");printf（” ***＊＊＊*＊***＊＊*＊＊＊＊＊＊*＊**\n”）; printf（" 1:输入2：查询3：删除\n")；printf（”4:借书5：还书0:退出\n”）;printf（” **＊*＊****＊＊＊*＊**＊****＊**\n”）；｝else｛printf(”输入错误请再次输入|\n\n")；printf（"\n\n")；printf（” ＊＊*＊＊*＊*＊＊＊*＊*＊*＊＊＊*＊＊＊*\n”)；printf（" 1：输入2:查询3：删除\n”);printf（”4:借书5:还书0：退出\n")；printf（" ＊＊＊＊＊*＊*＊***＊＊＊*＊*＊＊**＊*\n"）；}printf（"\n\n让任意键继续\n”)；} //wr_file（)；｝/*＊***＊主函数*＊＊//＊＊**＊***＊输入＊***＊＊***/void sr(）{intn,i；N=0;printf（"可输入的书本数:"）;scanf("%d",＆n）；N=n+N；printf("请输入相关信息：\n"）；for(i=1;i<=n;i++){printf(”图书名称：”)；scanf（”%s"，s［N-n-1+i］。

图书管理系统源代码(一）程序代码1。

主窗口界面import java.awt。

＊;import java.awt。

event.*;import javax。

swing.*；import javax.swing.border.TitledBorder;import java.awt。

Font;import javax.swing。

JMenu;public class MainWindow extends JFrame implements ActionListener { private static final long serialVersionUID = 1L;static String loginName;static String loginNo;JLabel mlabel；JPanel jp=new JPanel(）;//建立菜单栏JMenu a=new JMenu()；JMenu b=new JMenu(）；JMenu c=new JMenu（)；//建立系统管理菜单组JMenuItem aa=new JMenuItem（)；JMenuItem ab=new JMenuItem（)；JMenuItem ac=new JMenuItem（）;//建立读者管理菜单组JMenuItem bb=new JMenuItem（）；//建立书籍管理菜单组JMenuItem ca=new JMenuItem(）；JMenuItem cb=new JMenuItem（）；JMenuItem cc=new JMenuItem(）；JMenuItem cd=new JMenuItem(）;public MainWindow(）{super(”图书管理系统"）;addWindowListener（new WindowAdapter（）｛System.exit（0)；}｝）；Container d=getContentPane（）；this。

头函数名:#include<stdio.h>#include<stdlib.h>#include<string.h>/*********图书信息结构体*********//***包括登录号，书名，作者名，分类号，出版单位，出版时间，价格等***/ struct bookinf{ int num; ******************************************************登录号char bname[20];***************************************书名char wname[10];***************************************作者名char clanum[14];***************************************分类号char pubcom[10];***************************************出版单位char pubtime[10];***************************************出版时间float price;*********************************************价格};一管理员登录系统模块：（1）来到图书信息管理系统页面void index(){char input; 注释：运行时printf("\n\n\t\t\t*****************************\n"); 直接进入printf("\t\t\t 图书信息管理系统\n"); 这个页面printf("\t\t\t*****************************\n\n\n");printf(" ------------------------------------------------------------------------------\n");printf("\t<按任意键进入>\n\t");input=getchar();}（2）管理员登陆进入功能菜单页面FILE *fp;struct manage pswd;if ((fp=fopen("password.txt","r"))==NULL) {printf("\n\n\n\tCannot open file!\n\t");}else{do{printf("\n\n\t请输入管理员帐号:");scanf("%s",name);printf("\n\n\t请输入管理员密码:");scanf("%s",password);fp=fopen("password.txt","r");fread(&pswd,sizeof(struct manage),1,fp);fclose(fp);w=strcmp(pswd.manage_name,name);k=strcmp(pswd.password,password);adm_servelist();}while (w!=0||k!=0);adm_servelist();}}(3)来到功能菜单页面{void book_add();void book_view();void change();void del();void book_search();void login();void pwchange();int in; 注释:菜单列出的服务种类char input; 从1，2，3，4，5，6 do 所对应的功能进行选择{printf("\n\n\n\t--欢迎使用信息管理系统--");printf("\n\n\t1.图书信息录入\n");printf("\t2.图书信息浏览\n");printf("\t3.图书信息查询\n");printf("\t4.图书信息删除\n");printf("\t5.图书信息修改\n");printf("\t6.退出管理模式\n");printf("\n\t请选择服务种类:");scanf("%d",&in);if (in!=1&&in!=2&&in!=3&&in!=4&&in!=5&&in!=6){printf("\n\t没有这项服务~\n");printf("\t按任意键重新选择");input=getchar();}}while (in!=1&&in!=2&&in!=3&&in!=4&&in!=5&&in!=6);switch (in){case 1: book_add(); break; 注释:选择自己所需要case 2: book_view(); break; 后摁下数字键则case 3: book_search(); break; 则进入此功能页面case 4: del(); break;case 5: change();break;case 6: login(); break;}}（3）图书信息录入功能模块void book_add(){void book_add();int i=0,j;FILE *fp;char input; 注释：输入的图书信息struct bookinf books; 是通过文件进行struct bookinf book_taxis[30]; 保存的printf("\n\n\n\t---请输入图书信息---\n\n");printf("\t登录号:");scanf("%d",&books.num);printf("\n\t书名:");scanf("%s",books.bname);printf("\n\t作者名:");scanf("%s",books.wname);printf("\n\t分类号:");scanf("%s",books.clanum);printf("\n\t出版单位:");scanf("%s",books.pubcom);printf("\n\t出版时间:");scanf("%s",books.pubtime);printf("\n\t价格:");scanf("%f",&books.price);if ((fp=fopen("book.txt","r"))!=NULL){do{fread(&book_taxis[i],sizeof(struct bookinf),1,fp);i=i+1;}while(!feof(fp));fclose(fp);for (j=0;j<=i;j++)if (books.num==book_taxis[j].num){printf("\n\n\n\t对不起,这个编号已经使用过了~\n");printf("\t按任意键返回管理菜单~");input=getchar();adm_servelist();break;}}if ((fp=fopen("book.txt","r"))==NULL){fp=fopen("book.txt","w");}else{fclose(fp);fp=fopen("book.txt","a");}fwrite(&books,sizeof(struct bookinf),1,fp);fclose(fp);printf("\n\n\n\t信息输入完毕~按任意键继续\n");input=getchar();adm_servelist();}（4）图书信息浏览功能模块void book_view(){void adm_servelist();void book_view();int inp,i=0,n=0;FILE *fp;char input;struct bookinf bookview[20];if ((fp=fopen("book.txt","r"))==NULL){printf("\n\n\n\t数据尚未初始化~~\n\n\t请在管理菜单中增加图书信息~~~\n"); printf("\n\t<按任意键返回管理菜单>\n\t");input=getchar();adm_servelist();}else{do{fread(&bookview[i],sizeof(struct bookinf),1,fp);i=i+1;}while (!feof(fp));fclose(fp);do{printf("\n\t--------共有%d条记录--------",i-1);printf("\n\n\t登录号: %d\n",bookview[n].num);printf("\n\t书名: %s\n",bookview[n].bname);printf("\n\t作者名: %s\n",bookview[n].wname);printf("\n\t分类号: %s\n",bookview[n].clanum);printf("\n\t出版单位: %s\n",bookview[n].pubcom);printf("\n\t出版时间: %s\n",bookview[n].pubtime);printf("\n\t价格: %f\n",bookview[n].price);printf("\n\n\t1.上一页\t2.下一页\t3.回目录\n");printf("\n\t请选择:");scanf("%d",&inp);switch (inp){case 1:{if (n==0){printf("\n\t已到达首页\n\t按任意键重新选择");input=getchar();}else n=n-1; break;}case 2:{if (n==i-2){printf("\n\t已到达最末页\n\t按任意键重新选择");input=getchar();}else n=n+1; break;}case 3:{adm_servelist();break;}default:{printf("\n\t没有这项服务\n\t按任意键重新选择");input=getchar();}}}while (inp!=3);}}（5）图书信息修改与删除功能模块修改:void change(int x){int inp,i=0,j;void book_search();FILE *fp,*fp1;char input;struct bookinf books,book_taxis[20];do{printf("\n\n\n\t注意:您确定要修改该记录吗?\n"); printf("\n\t1.是\t2.否\n");printf("\n\t请输入:");scanf("%d",&inp);if (inp!=1&&inp!=2){printf("\n\t对不起~没有这项服务~\n");printf("\t按任意键重新选择\n\t");input=getchar();}}while (inp!=1&&inp!=2);if (inp==2)book_search();if (inp==1){printf("\n\n\n\t---请输入图书信息---\n\n");printf("\t登录号:");scanf("%d",&books.num);printf("\n\t书名:");scanf("%s",books.bname);printf("\n\t作者名:");scanf("%s",books.wname);printf("\n\t分类号:");scanf("%s",books.clanum);printf("\n\t出版单位:");scanf("%s",books.pubcom);printf("\n\t出版时间:");scanf("%s",books.pubtime);printf("\n\t价格:");scanf("%f",&books.price);if ((fp1=fopen("book.txt","r"))!=NULL){do{fread(&book_taxis[i],sizeof(struct bookinf),1,fp1);i=i+1;}while(!feof(fp1));fclose(fp1);for (j=0;j<x;j++)if (books.num==book_taxis[j].num){printf("\n\n\n\t对不起,这个编号已经使用过了~\n");printf("\t按任意键返回管理菜单~");printf("0");input=getchar();book_search();break;}for (j=x+1;j<i-2;j++)if (books.num==book_taxis[j].num){printf("\n\n\n\t对不起,这个编号已经使用过了~\n");printf("1");printf("\t按任意键返回管理菜单~");input=getchar();book_search();break;}}book_taxis[x]=books;fp=fopen("book.txt","w");for (j=0;j<i-1;j++)fwrite(&book_taxis[j],sizeof(struct bookinf),1,fp);fclose(fp);printf("\n\n\t信息修改完成!按任意键返回");input=getchar();book_search();}}S删除：void del(int y){char input;FILE *fp;int inp,i=0,j;struct bookinf book_taxis[20];void book_search();void adm_servelist();do{printf("\n\n\n\t注意:您确定要删除该记录吗?\n"); printf("\n\t1.是\t2.否\n");printf("\n\t请输入:");scanf("%d",&inp);if (inp!=1&&inp!=2){printf("\n\t对不起~没有这项服务~\n");printf("\t按任意键重新选择\n\t");input=getchar();}}while (inp!=1&&inp!=2);if (inp==2)book_search();if (inp==1){if ((fp=fopen("book.txt","r"))!=NULL){do{fread(&book_taxis[i],sizeof(struct bookinf),1,fp);i=i+1;}while(!feof(fp));fclose(fp);}if (i>2){fp=fopen("book.txt","w");for (j=0;j<y;j++)fwrite(&book_taxis[j],sizeof(struct bookinf),1,fp);fclose(fp);fp=fopen("book.txt","a");for (j=y+1;j<i-1;j++)fwrite(&book_taxis[j],sizeof(struct bookinf),1,fp);fclose(fp);}else{remove("book.txt");}printf("\n\n\t记录已删除!\n\n\t按任意键返回\n\t");input=getchar();adm_servelist();}}（6）图书信息查询功能模块void book_search(){void adm_servelist();void id_search();void wr_search();void bn_search();char input;FILE *fp;int inp;if ((fp=fopen("book.txt","r"))==NULL){printf("\n\n\n\t数据尚未初始化~~\n\n\t请在管理菜单中增加图书信息~~~\n"); printf("\n\t<按任意键返回管理菜单>\n\t");input=getchar();adm_servelist();}else{do{printf("\n\n\n\t1.按图书登录号查询\n");printf("\n\t2.按图书作者查询\n");printf("\n\t3.按图书名查询\n");printf("\n\t4.回到主菜单\n");printf("\n\n\t请选择查询类别:");scanf("%d",&inp);if (inp!=1&&inp!=2&&inp!=3&&inp!=4){printf("\n\n\t没有这项服务~\n\t按任意键重新选择~");input=getchar();}}while (inp!=1&&inp!=2&&inp!=3&&inp!=4);fclose(fp);switch (inp){case 1: id_search(); break;case 2: wr_search(); break;case 3: bn_search(); break;case 4: adm_servelist(); break;}}}。

图书馆管理系统代码。

txt男人偷腥时的智商仅次于爱因斯坦。

美丽让男人停下，智慧让男人留下.任何东西都不能以健康做交换.#include<stdio.h〉＃include<math。

h〉＃include<string。

h>＃include<stdlib.h>struct books_list{char author［20］; /*作者名*/char bookname［20］; /＊书名＊/char publisher［20]； /＊出版单位*/char pbtime［15］； /*出版时间＊/char loginnum[10］； /*登陆号＊/float price； /＊价格*/char classfy[10］； /*分类号＊/struct books_list ＊ next； /＊链表的指针域*/｝;struct books_list * Create_Books_Doc(); /＊新建链表＊/void InsertDoc（struct books_list * head)； /＊插入*/void DeleteDoc（struct books_list * head , int num）；/*删除＊/void Print_Book_Doc（struct books_list ＊ head)；/＊浏览＊/void search_book（struct books_list * head)； /*查询＊/void info_change（struct books_list ＊ head);/*修改*/void save（struct books_list ＊ head）；/＊保存数据至文件＊//＊新建链表头节点＊/struct books_list ＊ Create_Books_Doc（)｛struct books_list * head；head=(struct books_list ＊)malloc（sizeof(struct books_list）); /*分配头节点空间＊/head—>next=NULL； /*头节点指针域初始化，定为空*/return head；}/＊保存数据至文件*/void save（struct books_list * head）{struct books_list *p;FILE *fp;p=head;fp=fopen("data.txt"，"w+"）; /*以写方式新建并打开 data。

图书管理系统/*图书数据由编号、书名、出版社、单价和图书状态（库存用0表示或借出用读者编号表示），读者数据由编号、姓名和电话号码构成。

实现功能包括：（1）添加图书的记录（2）图书管理（借书和还书）（3）对图书数据排序（按单价的降序）（4）删除图书记录（5）修改图书记录（6）添加读者记录（7）输出图书信息表和读者信息表*#include <stdio.h>#include <string.h>#include <stdlib.h>#include <windows.h>/*函数的声明*/void bookname();void writername();void booknumber();void press();void bookdate();void Bfind(); //查询主菜单void Bdevise(); //修改函数void Badd(); //添加函数void Bdelete(); //删除函数void Bdisplay(); //显示所以已保存的图书信息函数void Bclean(); //清除所有图书信息函数void lendbook(); // 借书函数void returnbook(); //还书函数void lendorreturnbook();//借书或还书主菜单函数void appealkey();//用户密码申诉函数void devisepeoplekey();//修改用户密码函数void accountapply(); //用户申请账户函数void addpeopleaccount(); //管理员之添加用户帐号函数void addmanageaccount(); //管理员之添加管理员账号函数void addaccount(); //管理员之账户添加主菜单函数void devisepeopleaccount();//管理员之修改用户账号函数void devisemanageaccount();//管理员之修改管理员帐号函数void deviseaccount();//管理员之修改账号主菜单函数void deletepeopleaccount();//管理员之删除用户账号函数void deletemanageaccount();//管理员之删除管理员账号函数void deleteaccount();//管理员之删除账号主菜单函数void displayallpeopleaccounts();//显示所有用户信息函数void displayallmanageaccounts();//显示所有管理员信息函数void displayallaccountsmessage();//显示所有账号信息主菜单函数void highaddpeopleaccount(); //高级管理员添加用户账户函数void highaddmanageaccount(); //高级管理员添加管理员账户函数void highaddaccount(); //高级管理员之添加账户主菜单函数void booksmanage();//图书操作主菜单函数void accountsmanage();//管理员账号操作主菜单函数void highaccountsmanage();//高级管理员账号操作主菜单函数void menu1(); //用户之查询主菜单void menu2(); //管理员之查询主菜单void menu3(); //高级管理员之查询主菜单/*定义书的类型*/struct book{int bookstock; //库存量char bookname[20]; //书名char bookwriter[20]; //作者char booknumber[20]; //书号char press[20]; //出版社char bookdate[20]; //出版日期char price[20]; //出版价格int turefalse; //判断图书是否被借阅}books[20];/*定义用户类型*/struct peopleaccount{char pname[20];char pkey[20];}peopleaccounts[20];/*定义管理员类型*/struct manageaccount{char mname[20];char mkey[20];}manageaccounts[20];/*定义借书卡类型*/struct card{char cardnumber[20]; //借书卡号和用户信息一起写入yonghu.txt文件中的}cards[20];/*定义文件指针变量*/FILE *fp1; //fp1打开用户信息文件FILE *fp2; //fp2打开管理员信息文件FILE *fp3; //fp3打开图书信息文件FILE *fp4; //打开借还书记录的文件FILE *fpa; //fpa是临时文件指针/*改变输出的字体颜色*/void color(const unsigned short color1){if(color1>=0&&color1<=15)SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), color1);/*仅限改变0-15的颜色;如果在0-15那么实现他的颜色因为如果超过15后面的改变的是文本背景色。

#include<fstream〉#include<iostream〉#include<stdlib.h〉#include〈ctime〉#include<cmath>＃include〈termios.h〉＃include <sstream〉＃include<string。

h〉#include<assert.h〉//改变字体颜色#define NONE "\033[m"#define RED "\033［0;32；31m”#define GREEN ”\033［0；32;32m”＃define BLUE "\033［0;32；34m”#define YELLOW ”\033［1;33m”#define LIGHT_RED ”\033[1;31m”＃define LIGHT_GREEN "\033［1;32m"#define LIGHT_BLUE "\033［1；34m”/*程序导读：1。

程序中对书的操作,可通过书名，编号来进行,flag=0按书名来操作,flag=1按书编号来操作2.程序中对用户的操作,也可通过姓名，用户ID号或编号两种方式来进行,flag=0按姓名来操作,flag=1按用户ID号或编号来操作3。

本程序分5个部分,具体已标识如（1)图书管理。

.*/using namespace std；class Book｛public:string book_name;string book_num;//编号string book_pre；//出版社string book_aut;//作者int book_con;//这样的书还有几本int book_mux;//这样的书总共有几本public：Book（){book_con=0;book_mux=0;}void show_book();｝；/＊＊＊*＊*＊*＊**＊***＊*＊＊*＊**＊＊＊***＊＊＊＊＊＊＊＊***（1）图书管理＊***＊＊*＊＊＊＊＊＊*＊*＊＊**＊**＊*＊***＊＊＊＊*＊***＊*＊**/void Book：:show_book()｛cout<〈"书名：”<〈book_name<〈endl;cout〈〈”出版社："〈<book_pre〈〈endl；cout<<”此书的作者:"〈<book_aut〈<endl；cout〈<”ISBN编号：”<〈book_num<〈endl;cout<<"此书共有"〈<book_mux<<”本”〈〈endl;cout<<”还有"<<book_con〈〈”本书未借出！"〈<endl；｝class BookNode{public:Book book;BookNode ＊next；｝;BookNode *headbook=NULL；class BookManage{public：int totolbook；public：BookManage（）｛totolbook=0;}void addbook（）;void delbook（string s，int num，int flag）;void findbook（string s,int flag);//查询图书｝；void BookManage：：addbook(){string h;cout〈〈"添加输入0，退出输入—1"<〈endl;cin>>h;if（h==”-1”）return;else if（h=="0”)while(1){if（h==”-1”)break;else if（h==”0”)｛string na,nu,p1,aut;int con;BookNode ＊p=new BookNode；cout<<”请输入书名:"〈〈endl；cin〉>na;p—〉book.book_name=na;cout<〈"请输入ISBN编号：”<<endl；cin>〉nu；p->book。

毕业设计_图书管理系统一、数据库设计数据库设CREATE DATABASE TSGLGOUSE TSGLGOCREATE TABLE Bmanage(bId varchar(10) PRIMARY KEY,bName varchar(50), --添加图书--图书编号--书名bNumber varchar(10), --书数目)GObSore varchar(50) --分类CREATE TABLE Madmin(mName varchar(10)PRIMARY KEY,mPwd varchar(25),mAge varchar(8),mSex varchar(4),mNumber varchar(15),mrole varchar(8))GO--图书员管理--图书管理员姓名--图书管理员密码--图书管理员年龄--图书管理员性别--图书管理员电话--图书管理员角色CREATE TABLE Reader (rSno varchar (10) PRIMARY KEY , rName varchar (10), rPwd varchar (25), rAge varchar (8), rSex varchar (4), rState varchar (8), rNumber varchar (15), rEmail varchar (25),--读者信息表reader--读者号 --姓名 --密码 --年龄 --性别--状态 --电话号码--电子邮件 rAdressvarChar (50),--地址) GOrGrade varChar (15),rClass varchar (15),rRole varchar (8)--年级 --班级 --角色CREATE TABLE Rrecord (rSno varchar (10) PRIMARY KEY , rName varChar (10), bId varchar (10), bName varChar (50), bTime varchar (10), bBackTime varchar (10) ) GOCREATE TABLE SysSet (rRole varchar (8)PRIMARY KEY , rState varchar (8), Fine float (25), rDay varchar (8)--读者编号学号 --读者姓名 --图书编号--图书名称 --借书时间 --还书时间--读者角色 --读者可借书数 --过期罚款设置 --可借书天数)二、界面截图及说明1) 登录窗口（实现管理员和馆长的登陆）2) 管理员窗口3) 馆长窗口4) 关于窗口5) 新增图书窗口6) 新增管理员、查找及修改窗口7) 新增读者、查找及修改窗口8) 图书的查找及修改窗口9) 借阅窗口10)系统设置窗口三、主要代码主要代1) 登录窗口（实现管理员和馆长的登陆）登陆检查：using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Data;using prjTSGL.ClassLib.DBAccess;namespace prjTSGL.ClassLib.Logic{class clsLoginCheck{public static DataTable CheckLogin(string UserId, string PWD){{string SQLstmt = "select mName,mPwd,mRole from Madmin where mName= '" + UserId + "'and mPwd= '" + PWD + "'";DataTable dt = clsGlobalVar.GetDataTable(SQLstmt);return dt;}}}}登陆：using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using prjTSGL.ClassLib.Logic;namespace prjTSGL.TSGL_UI{public partial class frmLogin : Form{public frmLogin(){InitializeComponent();}private void btnLogin_Click(object sender, EventArgs e){string strUserID = loginid.Text.Trim();string strPWD = loginpwd.Text.Trim();string type = "";try{DataTable dt = clsLoginCheck.CheckLogin(strUserID, strPWD);if (dt.Rows.Count == 0){MessageBox.Show("登陆失败，请重新输入!");loginpwd.Focus();return;}else{type = dt.Rows[0]["mRole"].ToString().Trim();if (cboLT.Text.Trim()=="馆长" ){if (type == "馆长"){this.Hide();frmManager objManager = new frmManager();objManager.Show();}else{MessageBox.Show("您没有权限！");loginpwd.Focus();return;}}else{if (type =="管理员"){this.Hide();frmAdmin objAdmin = new frmAdmin();objAdmin.Show();}else{MessageBox.Show("您没有权限！");loginpwd.Focus();return;}}}}catch (Exception ex){throw ex;}}private void btnExit_Click(object sender, EventArgs e){this.Close();}}}2) 管理员窗口using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;namespace prjTSGL.TSGL_UI{public partial class frmAdmin : Form{public frmAdmin(){InitializeComponent();}private void ShowForm(Form frmToShow){this.Cursor = Cursors.WaitCursor;foreach (Form frmChild in this.MdiChildren){if (frmChild.GetType() == frmToShow.GetType()){frmToShow.Dispose();frmChild.Activate();this.Cursor = Cursors.Default;return;}}frmToShow.MdiParent = this;frmToShow.Show();this.Cursor = Cursors.Default;}private void读者信息修改ToolStripMenuItem_Click(object sender, EventArgs e){ShowForm(new f rmUpdateReader());}private void新增图书ToolStripMenuItem_Click(object sender, EventArgs e){ShowForm(new f rmAddNewBook());}private void图书的查找和修改ToolStripMenuItem_Click(object sender, EventArgs e) {ShowForm(new f rmUpdateBook());}private void流通管理ToolStripMenuItem_Click(object sender, EventArgs e){ShowForm(new f rmBorrow());}private void帮助ToolStripMenuItem_Click(object sender, EventArgs e){ShowForm(new f rmAbout());}private void退出ToolStripMenuItem_Click(object sender, EventArgs e){Application.Exit();}}}3) 馆长窗口using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;namespace prjTSGL.TSGL_UI{public partial class frmManager : Form{public frmManager(){InitializeComponent();}private void ShowForm(Form frmToShow){this.Cursor = Cursors.WaitCursor;foreach (Form frmChild in this.MdiChildren){if (frmChild.GetType() == frmToShow.GetType()){frmToShow.Dispose();frmChild.Activate();this.Cursor = Cursors.Default;return;}}frmToShow.MdiParent = this;frmToShow.Show();this.Cursor = Cursors.Default;}private void frmManager_FormClosed(object sender, FormClosedEventArgs e){Application.Exit();}private void管理员信息管理ToolStripMenuItem_Click_1(object sender, EventArgs e) {ShowForm(new f rmSelectAdmin());}private void系统设置ToolStripMenuItem_Click_1(object sender, EventArgs e){ShowForm(new f rmSys());}private void关于ToolStripMenuItem_Click(object sender, EventArgs e){ShowForm(new f rmAbout());}private void退出ToolStripMenuItem_Click_1(object sender, EventArgs e){Application.Exit();}}}4) 关于窗口using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;namespace prjTSGL.TSGL_UI{public partial class frmAbout : Form{public frmAbout(){InitializeComponent();}private void button1_Click(object sender, EventArgs e){this.Close();}}}5) 新增图书窗口using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using prjTSGL.ClassLib.DBAccess;namespace prjTSGL.TSGL_UI{public partial class frmAddNewBook : Form{public frmAddNewBook(){InitializeComponent();}private bool ValidatInput(){if (textBox1.Text == ""){MessageBox.Show("请输入图书编号！", "输入提示", MessageBoxButtons.OK, rmation);textBox1.Focus();return false;}if (textBox2.Text == ""){MessageBox.Show("请输入图书名称！", "输入提示", MessageBoxButtons.OK, rmation);textBox2.Focus();return false;}if (textBox3.Text == ""){MessageBox.Show("请输入图书数目！", "输入提示", MessageBoxButtons.OK,rmation);textBox3.Focus();return false;}if (comboBox1.Text == ""){MessageBox.Show("请选择图书类别！", "输入提示", MessageBoxButtons.OK, rmation);textBox3.Focus();return false;}return true;}private void btnOK_Click_1(object sender, EventArgs e){if (ValidatInput()){//string id = textBox1.Text;//string name = textBox2.Text;//string Number = textBox3.Text;//string sore = comboBox1.Text;string sql = "SELECT *FROM Bmanage WHERE bId='" + textBox1.Text.Trim() + " '";DataTable dt = clsGlobalVar.GetDataTable(sql);if (dt.Rows.Count == 0){string SQL = "insert into Bmanage(bId,bName,bNumber,bSore)values('" + textBox1.Text.Trim() + " ','" + textBox2.Text.Trim() + " ','" + textBox3.Text.Trim() + " ','"+ comboBox1.Text.Trim() + " ')";try{bool result = clsGlobalVar.ExecSQL(SQL);if (result){MessageBox.Show("添加成功！", "操作提示", MessageBoxButtons.OK, rmation);textBox1.Text = "";textBox2.Text = "";textBox3.Text = "";comboBox1.Text = "";textBox1.Focus();}else{MessageBox.Show("添加失败！", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Error);}}catch (Exception ex){MessageBox.Show("操作数据库出错！", "操作演示", MessageBoxButtons.OK, MessageBoxIcon.Error);Console.WriteLine(ex.Message);}}else{MessageBox.Show("图书编号已存在！", "操作提示", MessageBoxButtons.OK, rmation);textBox1.Focus();}}}private void btnCancel_Click(object sender, EventArgs e){this.Close();}}}6) 新增管理员、查找及修改窗口using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using prjTSGL.ClassLib.DBAccess;namespace prjTSGL.TSGL_UI{public partial class frmSelectAdmin : Form{public frmSelectAdmin(){InitializeComponent();}string name = "";string SQL = "";string PWD = "";string Age = "";string Sex = "";string Tel = "";string Role = "";private void SelectAdmin(){string strfilter = "";string SQL = "select mName AS 用户名,mPwd AS 密码,mAge AS 年龄,mSex AS 性别,mNumber AS 电话,mRole AS 角色from Madmin ";if (txtName.Text == "")strfilter = "";elsestrfilter = "where mName='" + txtName.Text.Trim() + "'";try{DataTable dt = clsGlobalVar.GetDataTable(SQL + strfilter);int intIndex = 0;if (dt.Rows.Count == 0){MessageBox.Show("抱歉，没有您要找的用户！", "结果提示", MessageBoxButtons.OK, rmation);txtName.Text = "";txtPWD.Text = "";txtAge.Text = "";cboSex.Text = "";txtTel.Text = "";cboRole.Text = "";}else{{LV.Columns.Clear();LV.Items.Clear();LV.Columns.Add("序号", 100, HorizontalAlignment.Center);for (int intJ = 0; intJ < dt.Columns.Count; intJ++){LV.Columns.Add(dt.Columns[intJ].ColumnName, 200, HorizontalAlignment.Center);}for (int intI = 0; intI < dt.Rows.Count; intI++){intIndex = intI + 1;LV.Items.Add(intIndex.ToString());LV.Items[intI].SubItems.Add(dt.Rows[intI]["用户名"].ToString().Trim());LV.Items[intI].SubItems.Add(dt.Rows[intI]["密码"].ToString().Trim());LV.Items[intI].SubItems.Add(dt.Rows[intI]["年龄"].ToString().Trim());LV.Items[intI].SubItems.Add(dt.Rows[intI]["性别"].ToString().Trim());LV.Items[intI].SubItems.Add(dt.Rows[intI]["电话"].ToString().Trim());LV.Items[intI].SubItems.Add(dt.Rows[intI]["角色"].ToString().Trim());}}}}//连接数据库，将数据读取出放入MadminDatacatch (Exception ex){MessageBox.Show("查询数据库出错！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);Console.WriteLine(ex.Message);}}private void btnSearch_Click(object sender, EventArgs e){SelectAdmin();//调用函数}//实现修改功能private void btnUpdata_Click(object sender, EventArgs e){if (txtName.Text == "" || cboRole.Text==""){MessageBox.Show("请选择要修改的用户!");}else{SQL = "UPDATE Madmin SET mName='" + txtName.Text.Trim() + "',mPwd='" + txtPWD.Text.Trim() + "',mAge='" + txtAge.Text.Trim() + "',mSex='" + cboSex.Text.Trim() +"',mNumber='" + txtTel.Text.Trim() + "',mRole='" + cboRole.Text.Trim() + "' where mName='" + name+ "'AND mPwd='" + PWD + "'AND mAge='" + Age + "'AND mSex='" + Sex + "'AND mNumber='" + Tel + "'AND mRole='" + Role + "'";try{bool result = clsGlobalVar.ExecSQL(SQL);if (result){//txtName.Text = "";txtPWD.Text = "";txtAge.Text = "";cboSex.Text = "";txtTel.Text = "";cboRole.Text = "";MessageBox.Show("修改已成功");SelectAdmin();}else{MessageBox.Show("更新失败！", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Error);}}catch (Exception ex){MessageBox.Show("操作数据库出错！", "操作演示", MessageBoxButtons.OK, MessageBoxIcon.Error);Console.WriteLine(ex.Message);}}}private void btnExit_Click(object sender, EventArgs e){this.Close();}private void LV_SelectedIndexChanged_1(object sender, EventArgs e){txtName.Text = LV.FocusedItem.SubItems[1].Text.Trim();txtPWD.Text = LV.FocusedItem.SubItems[2].Text.Trim();txtAge.Text = LV.FocusedItem.SubItems[3].Text.Trim();cboSex.Text = LV.FocusedItem.SubItems[4].Text.Trim();txtTel.Text = LV.FocusedItem.SubItems[5].Text.Trim();cboRole.Text = LV.FocusedItem.SubItems[6].Text.Trim();name = LV.FocusedItem.SubItems[1].Text.Trim();PWD = LV.FocusedItem.SubItems[2].Text.Trim();Age = LV.FocusedItem.SubItems[3].Text.Trim();Sex = LV.FocusedItem.SubItems[4].Text.Trim();Tel = LV.FocusedItem.SubItems[5].Text.Trim();Role = LV.FocusedItem.SubItems[6].Text.Trim();}private void frmSelectAdmin_Load(object sender, EventArgs e){this.btnSearch_Click(sender, e);}private void btnAdd_Click(object sender, EventArgs e){if (txtName.Text == "" || txtPWD.Text == "" || txtAge.Text == "" ||cboSex.Text =="" || txtTel.Text=="" ||cboRole.Text == ""){MessageBox.Show("请至少输入用户名，密码和角色!");}else{SQL = "SELECT mName,mPwd,mAge ,mSex,mNumber,mRole from Madmin WHERE mName='" + txtName.Text.Trim() + "' ";DataTable dt = clsGlobalVar.GetDataTable(SQL);if (dt.Rows.Count == 0){SQL = "INSERT INTO Madmin VALUES ('" + txtName.Text.Trim() + "','" +txtPWD.Text.Trim() + "','" + txtAge.Text.Trim() + "','" + cboSex.Text.Trim() + "','" +txtTel.Text.Trim() + "','" + cboRole.Text.Trim() + "')";if (clsGlobalVar.ExecSQL(SQL) == true){//txtName.Text = "";txtPWD.Text = "";txtAge.Text = "";cboSex.Text = "";txtTel.Text = "";cboRole.Text = "";MessageBox.Show("成功添加新管理员!");SelectAdmin();}else{Exception ex = new Exception();MessageBox.Show(ex.Message.ToString());}}else{MessageBox.Show("用户名已存在，请选择其他用户名！", "结果提示", MessageBoxButtons.OK, rmation);txtName.Text = "";}}}private void btnDelete_Click(object sender, EventArgs e){if (txtName.Text == "" || cboRole.Text == ""){MessageBox.Show("请选择要删除的管理员用户!");}else{DialogResult dr = MessageBox.Show("此操作不可撤销，确定要删除此用户信息吗？", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question);if (dr == DialogResult.Yes){SQL = "DELETE FROM Madmin WHERE mName='" + name + "'AND mPwd='" + PWD + "'ANDmAge='" + Age + "'AND mSex='" + Sex + "'AND mNumber='" + Tel + "'AND mRole='" + Role + "'";if (clsGlobalVar.ExecSQL(SQL) == true){MessageBox.Show("成功删除此管理信息!");SelectAdmin();}else{Exception ex = new Exception();MessageBox.Show(ex.Message.ToString());}}}}private void btnReset_Click(object sender, EventArgs e){txtName.Text = "";txtPWD.Text = "";txtAge.Text = "";cboSex.Text = "";txtTel.Text = "";cboRole.Text = "";}}}7) 新增读者、查找及修改窗口using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using prjTSGL.ClassLib.DBAccess;namespace prjTSGL.TSGL_UI{public partial class frmUpdateReader : Form{public frmUpdateReader(){InitializeComponent();}string Sno = "";string Pwd = "";string Age = "";string name = "";string Sex = "";string State = "";string Adress = "";string Number = "";string Email = "";string Grade = "";string Class = "";string Role = "";//查找学生读者private void SelectStudent(){string strfilter = "";string SQL = "select rSno AS 读者编号,rName AS 读者姓名,rPwd AS 密码,rAge AS 年龄,rSex AS 性别,rState AS 借书状态,rAdress AS 地址,rNumber AS 电话,rEmail AS 邮箱,rGrade AS 年级,rClass AS 班级,rRole AS 角色from Reader ";if (txtReaderName.Text == "")strfilter = "";elsestrfilter = "where rName='" + txtReaderName.Text.Trim() + "'";try{DataTable dt = clsGlobalVar.GetDataTable(SQL + strfilter);int intIndex = 0;if (dt.Rows.Count==0){MessageBox.Show("抱歉，没有您要找的读者信息！", "结果提示", MessageBoxButtons.OK, rmation);}else{LV.Columns.Clear();LV.Items.Clear();LV.Columns.Add("序号", 100, HorizontalAlignment.Center);for (int intJ = 0; intJ < dt.Columns.Count; intJ++){LV.Columns.Add(dt.Columns[intJ].ColumnName, 200, HorizontalAlignment.Center);}for (int intI = 0; intI < dt.Rows.Count; intI++){intIndex = intI + 1;LV.Items.Add(intIndex.ToString());for (int j=1; j < dt.Columns.Count; j++){LV.Items[intI].SubItems.Add(dt.Rows[intI][j].ToString());}//LV.Items[intI].SubItems.Add(dt.Rows[intI]["读者编号"].ToString());//LV.Items[intI].SubItems.Add(dt.Rows[intI]["读者姓名"].ToString());//LV.Items[intI].SubItems.Add(dt.Rows[intI]["密码"].ToString());//LV.Items[intI].SubItems.Add(dt.Rows[intI]["年龄"].ToString());//LV.Items[intI].SubItems.Add(dt.Rows[intI]["性别"].ToString());//LV.Items[intI].SubItems.Add(dt.Rows[intI]["借书状态"].ToString());//LV.Items[intI].SubItems.Add(dt.Rows[intI]["地址"].ToString());//LV.Items[intI].SubItems.Add(dt.Rows[intI]["电话"].ToString());//LV.Items[intI].SubItems.Add(dt.Rows[intI]["邮箱"].ToString());//LV.Items[intI].SubItems.Add(dt.Rows[intI]["年级"].ToString());//LV.Items[intI].SubItems.Add(dt.Rows[intI]["班级"].ToString());//LV.Items[intI].SubItems.Add(dt.Rows[intI]["角色"].ToString());}}}catch (Exception ex){MessageBox.Show("查询数据库出错！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);Console.WriteLine(ex.Message);}}//实现查找功能private void btnSearch_Click(object sender, EventArgs e){SelectStudent();}//实现修改功能private void btnUpdata_Click(object sender, EventArgs e){if (textBox2.Text == ""){MessageBox.Show("请选择要修改的用户!");}else//string sql = "SELECT * from Reader WHERE rSno='" + textBox2.Text.Trim() + "' ";//DataTable dt = clsGlobalVar.GetDataTable(sql);//if (dt.Rows.Count == 0)//{{string SQL = "UPDATE Reader SET rSno='" + textBox2.Text.Trim() + "',rPwd='" + textBox3.Text.Trim() + "',rAge='" + textBox1.Text.Trim() + "',rName='" +txtReaderName.Text.Trim() + "',rSex='" + cboSex.Text.Trim() + "',rState='" + textBox4.Text.Trim()+ "',rAdress='" + textBox5.Text.Trim() + "',rNumber='" + textBox6.Text.Trim() + "',rEmail='" + textBox7.Text.Trim() + "',rGrade='" + textBox8.Text.Trim() + "',rClass='" + textBox9.Text.Trim()+ "' ,rRole='" + cboRole.Text.Trim() + "'";string strfilter = "where rSno='" + Sno + "'";try{bool result = clsGlobalVar.ExecSQL(SQL + strfilter);if (result){textBox2.Text = "";textBox3.Text = "";textBox1.Text = "";cboSex.Text = "";textBox4.Text = "";textBox5.Text = "";textBox6.Text = "";textBox7.Text = "";textBox8.Text = "";textBox9.Text = "";cboRole.Text = "";MessageBox.Show("修改已成功");SelectStudent();}else{MessageBox.Show("读者信息不存在！", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Error);}}catch (Exception ex){MessageBox.Show("操作数据库出错！", "操作演示", MessageBoxButtons.OK, MessageBoxIcon.Error);Console.WriteLine(ex.Message);}}//}//else//{// MessageBox.Show("用户名已存在，请选择其他用户名！", "结果提示", MessageBoxButtons.OK, rmation);// textBox2.Text = "";//}}private void btnExit_Click(object sender, EventArgs e){this.Close();}private void LV_SelectedIndexChanged(object sender, EventArgs e) {textBox2.Text = LV.FocusedItem.SubItems[1].Text.Trim();txtReaderName.Text = LV.FocusedItem.SubItems[2].Text.Trim();textBox3.Text = LV.FocusedItem.SubItems[3].Text.Trim();textBox1.Text = LV.FocusedItem.SubItems[4].Text.Trim();cboSex.Text = LV.FocusedItem.SubItems[5].Text.Trim();textBox4.Text = LV.FocusedItem.SubItems[6].Text.Trim();textBox5.Text = LV.FocusedItem.SubItems[7].Text.Trim();textBox6.Text = LV.FocusedItem.SubItems[8].Text.Trim();textBox7.Text = LV.FocusedItem.SubItems[9].Text.Trim();textBox8.Text = LV.FocusedItem.SubItems[10].Text.Trim();textBox9.Text = LV.FocusedItem.SubItems[11].Text.Trim();cboRole.Text = LV.FocusedItem.SubItems[12].Text.Trim();Sno = LV.FocusedItem.SubItems[1].Text.Trim();name = LV.FocusedItem.SubItems[2].Text.Trim();Pwd = LV.FocusedItem.SubItems[3].Text.Trim();Age = LV.FocusedItem.SubItems[4].Text.Trim();Sex = LV.FocusedItem.SubItems[5].Text.Trim();State = LV.FocusedItem.SubItems[6].Text.Trim();Adress = LV.FocusedItem.SubItems[7].Text.Trim();Number = LV.FocusedItem.SubItems[8].Text.Trim();Email = LV.FocusedItem.SubItems[9].Text.Trim();Grade = LV.FocusedItem.SubItems[10].Text.Trim();Class= LV.FocusedItem.SubItems[11].Text.Trim();Role = LV.FocusedItem.SubItems[12].Text.Trim();}private void btnReset_Click(object sender, EventArgs e){textBox2.Text = "";textBox3.Text = "";txtReaderName.Text = "";textBox1.Text = "";cboSex.Text = "";textBox4.Text = "";textBox5.Text = "";textBox6.Text = "";textBox7.Text = "";textBox8.Text = "";textBox9.Text = "";cboRole.Text = "";}private void btnAdd_Click(object sender, EventArgs e){string SQL="";if (textBox2.Text == "" || textBox3.Text == "" || txtReaderName.Text == "" ||textBox4.Text == "" || textBox5.Text == ""){MessageBox.Show("请至少输入读者姓名，用户名，密码，借书状态和角色!");}else{string sql = "SELECT * from Reader WHERE rSno='" + textBox2.Text.Trim() + "' ";DataTable dt = clsGlobalVar.GetDataTable(sql);if (dt.Rows.Count == 0){if(cboRole.Text.Trim()=="教师")SQL = "INSERT INTO Reader(rSno,rPwd,rName,rAge,rSex,rState,rAdress,rNumber,rEmail,rGrade,rClass,rRole)VALUES ('" + textBox2.Text.Trim() + "','" + textBox3.Text.Trim() + "','" + txtReaderName.Text.Trim() + "','"+ textBox1.Text.Trim() + "','" + cboSex.Text.Trim() + "','" + textBox4.Text.Trim() + "','" +textBox5.Text.Trim() + "','" + textBox6.Text.Trim() + "','" + textBox7.Text.Trim() + "','" + "NULL"+ "','" + "NULL" + "','" + cboRole.Text.Trim() + "')";elseSQL = "INSERT INTO Reader(rSno,rPwd,rName,rAge,rSex,rState,rAdress,rNumber,rEmail,rGrade,rClass,rRole)VALUES ('" + textBox2.Text.Trim() + "','" + textBox3.Text.Trim() + "','" + txtReaderName.Text.Trim() + "','"+ textBox1.Text.Trim() + "','" + cboSex.Text.Trim() + "','" + textBox4.Text.Trim() + "','" +textBox5.Text.Trim() + "','" + textBox6.Text.Trim() + "','" + textBox7.Text.Trim() + "','" +textBox8.Text.Trim() + "','" + textBox9.Text.Trim() + "','" + cboRole.Text.Trim() + "')";if (clsGlobalVar.ExecSQL(SQL) == true){textBox2.Text = "";textBox3.Text = "";textBox1.Text = "";cboSex.Text = "";textBox4.Text = "";textBox5.Text = "";textBox6.Text = "";textBox7.Text = "";textBox8.Text = "";textBox9.Text = "";cboRole.Text = "";MessageBox.Show("成功添加此用户!");SelectStudent();}else{Exception ex = new Exception();MessageBox.Show(ex.Message.ToString());}}else{MessageBox.Show("用户名已存在，请选择其他用户名！", "结果提示", MessageBoxButtons.OK, rmation);textBox2.Text = "";}}}private void btnDel_Click(object sender, EventArgs e){if (textBox2.Text == ""){MessageBox.Show("请选择要删除的用户!");}else{DialogResult dt= MessageBox.Show("此操作不可撤销，确定要删除此用户信息吗？", " 提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question);if (dt == DialogResult.Yes){string SQL = "DELETE FROM Reader where rSno='" + Sno + "'";if (clsGlobalVar.ExecSQL(SQL) == true){textBox2.Text = "";textBox3.Text = "";textBox1.Text = "";cboSex.Text = "";textBox4.Text = "";textBox5.Text = "";textBox6.Text = "";textBox7.Text = "";textBox8.Text = "";textBox9.Text = "";cboRole.Text = "";MessageBox.Show("删除此用户成功!");SelectStudent();}else{Exception ex = new Exception();MessageBox.Show(ex.Message.ToString());}}}}private void frmUpdateReader_Load(object sender, EventArgs e){SelectStudent();}}}8) 图书的查找及修改窗口using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using prjTSGL.ClassLib.DBAccess;namespace prjTSGL.TSGL_UI{。

图书管理系统设计图书管理信息包括：图书名称、图书编号、单价、作者、存在状态、借书人姓名、性别、学号等功能描述:1 ．新进熟土基本信息的输入2 ．图书基本信息的查询3 ．对撤销图书信息的删除4 ．为借书人办理注册5 ．办理借书手续6 ．办理换书手续要求：以文件方式存储数据，系统以菜单方式工作。

这是本人大一第二学期初 C 语言课程设计的作品，嘿嘿,本来以为已经找不到原稿了，今天无意中居然在QQ 网络硬盘中找到了当初的teta 版，发布于此，以作记念。

C 源代码如下：#include〈stdio 。

h〉＃include<stdlib。

h〉#include〈string 。

h>struct book {char book_name [30];int bianhao；double price；char author[20]；char state [20] ;char name[20];char sex [10];int xuehao；struct book ＊book_next；};struct club {char name [20]；char sex[10]；int xuehao；char borrow [30]；struct club *club_next；}；void Print_Book(struct book ＊head_book)；/＊浏览所有图书信息＊/void Print_Club(struct club *head_club);/＊浏览所有会员信息*/struct book ＊Create_New_Book()；/*创建新的图书库, 图书编号输入为0 时结束*/struct book ＊Search_Book_bianhao(int bianhao,struct book *head_book);struct book *Search_Book_name (char ＊b_name，struct book ＊head_book);struct book *Search_Book_price (double price_h，double price_l,struct book ＊head_book)；struct book *Insert_Book (struct book *head_book,struct book *stud_book) ；/＊增加图书,逐个添加*/struct book *Delete_Book(struct book ＊head_book，int bianhao)；/*删除图书*/struct club ＊Create_New_Club() ;struct club *Search_Club_xuehao(int xuehao，struct club *head_club)；struct club *Search_Club_name (char *c_name,struct club ＊head_club);struct club *Insert_Club (struct club *head_club，struct club *stud_club);struct club *Delete_Club (struct club *head_club,int xuehao)；struct book *Lent_Book (int bianhao ，int xuehao,struct book ＊head_book,struct club ＊head_club)；struct book ＊back (int bianhao,int xuehao,struct book ＊head_book，struct club *head_club); int main(){struct book ＊head_book,＊p_book；char book_name [30]，name [20]，author [20]，sex [10];int bianhao;double price,price_h，price_l；int size_book=sizeof(struct book);int m=1，n=1，f；char ＊b_name，*c_name;struct club *head_club，*p_club;int xuehao；int size_club=sizeof (struct club) ;int choice；printf ("\n 欢迎您第一次进入图书管理系统！\n\n");printf("---——>[向导]————-〉[新建图书库] \n\n”) ;printf ("注意：当输入图书编号为0 时，进入下一步.\n\n");head_book=Create_New_Book();system(”cls”) ;printf("\n 欢迎您第一次进入图书管理系统！\n\n") ;printf("----—〉[向导]——---〉[新建会员库]\n\n”)；printf(”注意:当输入会员学号为0 时,进入主菜单.\n\n”)；head_club=Create_New_Club () ;system (”cls”);do {printf(”\n\t\t\t〓〓〓〓〓图书管理系统〓〓〓〓〓\n\n”);printf("\n”);printf ("\t\t\t[1] :借书办理\t")；printf(" [6]：还书办理\n”)；printf (”\n");printf(”\t\t\t[2]：查询图书\t")；printf(" [7]:查询会员\n”);printf (” \t\t\t[3]：添加图书\t")；printf (" [8]:添加会员\n”)；printf ("\t\t\t[4]:删除图书\t")；printf (” [9] :删除会员\n") ;printf (” \t\t\t[5]：遍历图书\t");printf (” [10]：遍历会员\n\n”) ;printf ("\t\t\t〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n\n”)；printf("\t\t\t0:退出\n\n”) ;printf(”请选择〈0~10〉：”)；scanf(”％d",&choice)；switch(choice) {case 1:printf ("\n\t\t\t〓〓〓〓〓图书管理系统〓〓〓〓〓\n\n")；printf (”输入所借图书编号：\n")；scanf (”%d",&bianhao);printf ("输入借书人的学号：\n”)；scanf ("%d",＆xuehao)；head_book=Lent_Book(bianhao,xuehao,head_book,head_club)；system (”cls")；printf (” \n 借阅成功!\n\n")；printf (”相关信息如下:\n\n");head_book=Search_Book_bianhao (bianhao，head_book)；break；case 2:system ("cls”) ;printf(”\n\t\t\t〓〓〓〓〓图书管理系统〓〓〓〓〓\n\n”); printf ("1。

#include<stdio.h>#include<stdlib.h>#include<string.h>struct book{int num;char bname[50];char wname[20];char press[50];char sort[50];int time;float price;struct book *next;};struct book *creatbook(); //创建链表struct book *addbook(struct book *head); //添加图书int yanzheng(struct book *head,int m); //验证新添加的图书编码是否已存在void deletebook(struct book *head); //删除图书void fprint(struct book *head); //将链表写入文件struct book *load(); //从文件中读取信息并建成链表void print_book(struct book *head); //将链表信息输出void chaxun(struct book *head); //查询图书信息void num_chaxun(struct book *head); //按图书编号查询图书void wname_chaxun(struct book *head); //按作者名查询图书void sort_chaxun(struct book *head); //按类别查询图书void time_chaxun(struct book *head); //按出版时间查询图书void bname_chaxun(struct book *head); //按图书名查询图书void xiugai(struct book *head); //修改图书信息void paixu(struct book *head); //对图书进行排序void num_paixu(struct book *head); //按图书编号排序void time_paixu(struct book *head); //按图书出版时间排序void price_paixu(struct book *head); //按图书价格排序void bname_paixu(struct book *head); //按图书名排序void wname_paixu(struct book *head); //按作者名排序int main(){int choice,n,x,y=1,c,c1=1;char a,d,b[10],b1[10]="1";struct book *head=NULL;while(y){system("cls");printf("\n\n\n\n\n");printf(" ----------------------------------------------------------------------\n");printf(" --- ||-------------||-------图书信息管理系统--------||-----------||---\n");printf(" --- ||-------------||------- 登陆界面--------||-----------||---\n");printf(" ----------------------------------------------------------------------\n");printf("\n");printf(" ============1-进入系统===========\n");printf(" ============0-退出系统===========\n");printf(" ----------------------------------------------------------------------\n");printf(" 请输入选择:");scanf("%d",&n);printf("\n");getchar();switch(n){case 0:y=0;break;case 1:printf(" 请输入您的用户名(输入1即可):");gets(b);printf("\n");printf(" 请输入您的密码(输入1即可):");scanf("%d",&c);printf("\n");if(strcmp(b,b1)!=0||c!=c1){printf(" 验证失败,请重新输入!\n");scanf("%c",&d);getchar();system("cls");}else{printf(" 验证通过!请按Enter键进入!\n");scanf("%c",&d);getchar();x=1;while(x){system("cls");system ("color 1F");printf(" ----------------------------------------------------------------------\n\n");printf(" --- ||-------------||-------图书信息管理系统--------||-----------||---\n\n");printf(" --- ||-------------||-----------操作界面------------||-----------||---\n\n");printf(" ----------------------------------------------------------------------\n\n");printf(" ----------------------------------------------\n");printf(" ----||-----------系统菜单选项-----------||----\n");printf(" ----------------------------------------------\n");printf(" -|| 1-添加图书删除图书-2 ||-\n\n");printf(" -|| 3-图书列表图书排序-4 ||-\n\n");printf(" -|| 5-查询图书修改图书-6 ||-\n\n");printf(" -|| 7-录入数据退出系统-0 ||-\n\n");printf(" ----------------------------------------------\n");printf(" ----------------------------------------------\n\n");printf("请输入所选择的序号:");scanf("%d",&choice);getchar();system("cls");switch(choice){case 0:x=0;break;case 1:head=load();if(head==NULL){printf("文件为空,请先录入数据!\n");getchar();break;}else{head=addbook(head);printf("添加成功!\n");printf("是否将新信息保存到文件?(y/n)\n");scanf("%c",&a);getchar();switch(a){case 'n':break;case 'y':fprint(head);printf("保存成功!\n");getchar();break;}break;}case 2:head=load();if(head==NULL){printf("文件为空,请先录入数据!\n");getchar();break;}else{deletebook(head);getchar();break;}break;case 3:head=load();if(head==NULL){printf("文件为空,请先录入数据!\n");getchar();break;}else{print_book(head);getchar();break;}case 4:head=load();if(head==NULL){printf("文件为空,请先录入数据!\n");getchar();break;}else{paixu(head);getchar();}break;case 5:head=load();if(head==NULL){printf("文件为空,请先录入数据!\n");getchar();break;}else{chaxun(head);getchar();}break;case 6:head=load();if(head==NULL){printf("文件为空,请先录入数据!\n");getchar();break;}else{xiugai(head);getchar();break;}break;case 7:printf("注意:输入图书编码为0时结束!\n");head=creatbook();printf("是否将输入的信息保存到文件以覆盖文件中已存在的信息?(y/n)\n");getchar();scanf("%c",&a);getchar();switch(a){case '0':break;case 'y':fprint(head);printf("保存成功!\n");getchar();break;}break;default:printf("输入有误,请重新输入!\n");getchar();break;}}}break;default:printf(" 输入有误,请重新输入!\n");getchar();break;}}}//录入数据并形成链表struct book *creatbook(){struct book *head,*tail,*p;int num,time,n;char bname[50],wname[20],press[50],sort[50];float price;int size=sizeof(struct book);head=tail=NULL;printf("请输入图书编号:");scanf("%d",&num);printf("请输入图书名:");scanf("%s",bname);getchar();printf("请输入作者名:");scanf("%s",wname);getchar();printf("请输入出版社:");scanf("%s",press);getchar();printf("请输入类别:");scanf("%s",sort);getchar();printf("请输入出版时间:");scanf("%d",&time);getchar();printf("请输入价格:");scanf("%f",&price);getchar();while(1){p=(struct book *)malloc(size);p->num=num;strcpy(p->bname,bname);strcpy(p->wname,wname);strcpy(p->press,press);strcpy(p->sort,sort);p->time=time;p->price=price;p->next=NULL;if(head==NULL)head=p;elsetail->next=p;tail=p;do{printf("请输入图书编号:");scanf("%d",&num);n=yanzheng(head,num);if(n==0)break;elseprintf("您输入的编号已存在,请重新输入!\n"); }while(1);if(num==0)break;else{printf("请输入图书名:");scanf("%s",bname);getchar();printf("请输入作者名:");scanf("%s",wname);getchar();printf("请输入出版社:");scanf("%s",press);getchar();printf("请输入类别:");scanf("%s",sort);getchar();printf("请输入出版时间:");scanf("%d",&time);getchar();printf("请输入价格:");scanf("%f",&price);getchar();}}return head;}//插入结点，并且插入后仍按一定顺序struct book *addbook(struct book *head){struct book *ptr,*p1,*p2,*p;char bname[50],wname[20],press[50],sort[50];int size=sizeof(struct book);int num,time,n=1;float price;do{printf("请输入图书编号:");scanf("%d",&num);n=yanzheng(head,num);if(n==0)break;elseprintf("您输入的编号已存在,请重新输入!\n");}while(1);printf("请输入图书名:");scanf("%s",bname);getchar();printf("请输入作者名:");scanf("%s",wname);getchar();printf("请输入出版社:");scanf("%s",press);getchar();printf("请输入类别:");scanf("%s",sort);getchar();printf("请输入出版时间:");scanf("%d",&time);getchar();printf("请输入价格:");scanf("%f",&price);getchar();p=(struct book *)malloc(size);p->num=num;strcpy(p->bname,bname);strcpy(p->wname,wname);strcpy(p->press,press);strcpy(p->sort,sort);p->time=time;p->price=price;p2=head;ptr=p;while((ptr->num>p2->num)&&(p2->next!=NULL)){ p1=p2;p2=p2->next;}if(ptr->num<=p2->num){if(head==p2)head=ptr;else{p1->next=ptr;p->next=p2;}}else{p2->next=ptr;p->next=NULL;}return head;}//验证添加的图书编号是否已存在int yanzheng(struct book *head,int m){struct book *p;p=head;while(p!=NULL){if(p->num==m)break;p=p->next;}if(p==NULL)return 0;elsereturn 1;}//将新链表写入文件中void fprint(struct book *head){FILE *fp;char ch='1';struct book *p1;if((fp=fopen("f1.txt","w"))==NULL){printf("File open error!\n");exit(0);}fputc(ch,fp);for(p1=head;p1;p1=p1->next){fprintf(fp,"%d %s %s %s %s %d %f\n",p1->num,p1->bname,p1->wname,p1->press,p1->sort ,p1->time,p1->price);}fclose(fp);}//从文件中读取图书信息struct book *load(){FILE *fp;char ch;struct book *head,*tail,*p1;head=tail=NULL;if((fp=fopen("f1.txt","r"))==NULL){printf("File open error!\n");exit(0);}ch=fgetc(fp);if(ch=='1'){while(!feof(fp)){p1=(struct book *)malloc(sizeof(struct book));fscanf(fp,"%d%s%s%s%s%d%f\n",&p1->num,p1->bname,p1->wname,p1->press,p1->sort,&p1-> time,&p1->price);if(head==NULL)head=p1;elsetail->next=p1;tail=p1;}tail->next=NULL;fclose(fp);return head;}elsereturn NULL;}//将整个链表的信息输出void print_book(struct book *head){struct book *ptr;if(head==NULL){printf("\n没有信息!\n");return;}printf(" 图书信息列表如下\n");printf("====================================================================== ======\n");printf(" 编号图书名作者名出版社类别出版时间价格\n");for(ptr=head;ptr;ptr=ptr->next)printf(" %3d %-12s %-8s %-14s %-2s %-4d %.2f\n", ptr->num,ptr->bname,ptr->wname,ptr->press,ptr->sort,ptr->time,ptr->price);printf("====================================================================== ======\n");}//删除图书信息void deletebook(struct book *head){int a;char b,ch='1';struct book *p1,*p2;FILE *fp;printf("请输入要删除的图书编号:");scanf("%d",&a);p1=head;if(p1->num==a&&p1->next==NULL){ //对于文件中只有一组数据printf("是否清空文件!(y/n)\n");getchar();scanf("%c",&b);getchar();switch(b){case 'n':break;case 'y':if((fp=fopen("f1.txt","w"))==NULL){printf("File open error!\n");exit(0);}fclose(fp);printf("文件已清空!\n");}}else{while(p1->num!=a&&p1->next!=NULL){p2=p1;p1=p1->next;}if(p1->next==NULL){if(p1->num==a){p2->next=NULL;printf("是否确定从文件中彻底删除该图书?(y/n)\n");getchar();scanf("%c",&b);switch(b){case 'n':break;case 'y':fprint(head);printf("删除成功!\n");getchar();break;}}else{printf("没有找到要删除的数据!\n");getchar();}}else if(p1==head){head=p1->next;printf("是否确定从文件中彻底删除该图书?(y/n)\n");getchar();scanf("%c",&b);switch(b){case 'n':break;case 'y':fprint(head);printf("删除成功!\n");getchar();break;}}else{p2->next=p1->next;printf("是否确定从文件中彻底删除该图书?(y/n)\n");getchar();scanf("%c",&b);switch(b){case 'n':break;case 'y':fprint(head);printf("删除成功!\n");getchar();break;}}}}//图书查询void chaxun(struct book *head){int a;printf("==========================================================\n");printf(" ** 1-按图书编号查询2-按图书名查询**\n");printf(" ** 3-按图书类别查询4-按作者名查询**\n");printf(" ** 5-按出版时间查询0-退出查询**\n");printf("==========================================================\n");printf("请输入所选择的编号:");scanf("%d",&a);getchar();switch(a){case 0:break;case 1:num_chaxun(head);break;case 2:bname_chaxun(head);break;case 3:sort_chaxun(head);break;case 4:wname_chaxun(head);break;case 5:time_chaxun(head);break;default:printf("您的输入有误!\n");break;}}//按编号查询图书信息void num_chaxun(struct book *head){int a;struct book *p;printf("请选择您要查询的图书编号:");scanf("%d",&a);getchar();p=head;while(p!=NULL){if(p->num==a)break;p=p->next;}if(p==NULL){printf("没有找到该编号的图书!\n");}else{printf(" 你所查询的图书信息如下\n");printf("====================================================================== ======\n");printf(" 编号图书名作者名出版社类别出版时间价格\n");printf(" %3d %-12s %-8s %-14s %-2s %-4d %.2f\n", p->num,p->bname,p->wname,p->press,p->sort,p->time,p->price);printf("====================================================================== ======\n");}}//按图书名查询图书信息void bname_chaxun(struct book *head){char a[50];int flag=0;struct book *p;printf("请选择您要查询的图书名:");gets(a);p=head;while(p!=NULL){if(strcmp(p->bname,a)==0){flag=1;break;}p=p->next;}if(flag==0){printf("没有找到该图书名的图书!\n");}else{printf(" 你所查询的图书信息如下\n");printf("====================================================================== ======\n");printf(" 编号图书名作者名出版社类别出版时间价格\n");while(p!=NULL){if(strcmp(p->bname,a)==0){printf(" %3d %-12s %-8s %-14s %-2s %-4d %.2f\n", p->num,p->bname,p->wname,p->press,p->sort,p->time,p->price);}p=p->next;}printf("====================================================================== ======\n");}}//按作者名查询图书信息void wname_chaxun(struct book *head){char a[50];int flag=0;struct book *p;printf("请选择您要查询的图书作者名:");gets(a);p=head;while(p!=NULL){if(strcmp(p->wname,a)==0){flag=1;break;}p=p->next;}if(flag==0){printf("没有找到该图书名的图书!\n");}else{printf(" 你所查询的图书信息如下\n");printf("====================================================================== ======\n");printf(" 编号图书名作者名出版社类别出版时间价格\n");while(p!=NULL){if(strcmp(p->wname,a)==0){printf(" %3d %-12s %-8s %-14s %-2s %-4d %.2f\n", p->num,p->bname,p->wname,p->press,p->sort,p->time,p->price);flag=1;}p=p->next;}printf("============================================================================\n");}}//按图书类别查询图书信息void sort_chaxun(struct book *head){char a[50];int flag=0;struct book *p;printf("请选择您要查询的图书类别:");gets(a);p=head;while(p!=NULL){if(strcmp(p->sort,a)==0){flag=1;break;}p=p->next;}if(flag==0){printf("没有找到该图书名的图书!\n");}else{printf(" 你所查询的图书信息如下\n");printf("====================================================================== ======\n");printf(" 编号图书名作者名出版社类别出版时间价格\n");while(p!=NULL){if(strcmp(p->sort,a)==0){printf(" %3d %-12s %-8s %-14s %-2s %-4d %.2f\n", p->num,p->bname,p->wname,p->press,p->sort,p->time,p->price);flag=1;}p=p->next;}printf("====================================================================== ======\n");}}//按图书出版时间查询图书信息void time_chaxun(struct book *head){int a,flag=0;struct book *p;printf("请选择您要查询的图书出版时间:");scanf("%d",&a);getchar();p=head;while(p!=NULL){if(p->time==a){flag=1;break;}p=p->next;}if(flag==0){printf("没有找到该图书名的图书!\n");}else{printf(" 你所查询的图书信息如下\n");printf("====================================================================== ======\n");printf(" 编号图书名作者名出版社类别出版时间价格\n");while(p!=NULL){if(p->time==a){printf(" %3d %-12s %-8s %-14s %-2s %-4d %.2f\n", p->num,p->bname,p->wname,p->press,p->sort,p->time,p->price);flag=1;}p=p->next;}printf("====================================================================== ======\n");}}//修改图书信息void xiugai(struct book *head){int a,b;char c;struct book *p;printf("请输入要修改的图书编号:");scanf("%d",&a);p=head;while(p!=NULL){if(p->num==a)break;p=p->next;}if(p==NULL){printf("没有找到该编号的图书!\n");getchar();}else{printf("============================================================\n");printf(" ** 1-编号2-图书名3-作者名**\n");printf(" ** 4-出版社5-类别6-出版时间**\n");printf(" ** 7-价格8-修改全部0-放弃修改**\n");printf("============================================================\n");printf("请选择你要修改的信息编号:");scanf("%d",&b);getchar();switch(b){case 1:printf("请输入新编号:");scanf("%d",&p->num);printf("修改成功!\n");getchar();break;case 2:printf("请输入新图书名:");gets(p->bname);printf("修改成功!\n");break;case 3:printf("请输入新作者名:");gets(p->wname);printf("修改成功!\n");break;case 4:printf("请输入新出版社:");gets(p->press);printf("修改成功!\n");break;case 5:printf("请输入新类别:");gets(p->sort);printf("修改成功!\n");break;case 6:printf("请输入新出版时间:");scanf("%d",&p->time);printf("修改成功!\n");getchar();break;case 7:printf("请输入新价格:");scanf("%f",&p->price);printf("修改成功!\n");getchar();break;case 8:printf("请输入新图书编号:");scanf("%d",&p->num);printf("请输入新图书名:");scanf("%s",p->bname);getchar();printf("请输入新作者名:");scanf("%s",p->wname);getchar();printf("请输入新出版社:");scanf("%s",p->press);getchar();printf("请输入新类别:");scanf("%s",p->sort);getchar();printf("请输入新出版时间:");scanf("%d",&p->time);getchar();printf("请输入新价格:");scanf("%f",&p->price);getchar();printf("修改成功!\n");getchar();break;case 0:break;default :printf("您的输入有误!\n");break;}printf("是否将修改后的信息保存到文件中?(y/n)\n");scanf("%c",&c);getchar();switch(c){case 'n':break;case 'y':fprint(head);printf("保存成功!\n");getchar();break;}}}//图书排序void paixu(struct book *head){int a;printf("================================================================\n");printf(" ** 1-按图书编号排序2-按出版时间排序**\n");printf(" ** 3-按图书价格排序4-按图书名排序**\n");printf(" ** 5-按作者名排序0-取消排序操作**\n");printf("================================================================\n");printf("请输入您选择的编号:");scanf("%d",&a);getchar();switch(a){case 0:break;case 1:num_paixu(head);break;case 2:time_paixu(head);break;case 3:price_paixu(head);break;case 4:bname_paixu(head);break;case 5:wname_paixu(head);break;default:printf("您的输入有误!\n");break;}}//按图书编号排序void num_paixu(struct book *head){struct book *a[1000],*p,*p1,*temp;int i,k,index,n=0;char b;p1=head;for(p=head;p;p=p->next)n++;for(i=0;i<n;i++){a[i]=p1;p1=p1->next;}for(k=0;k<n-1;k++){index=k;for(i=k+1;i<n;i++){if(a[i]->num<a[index]->num)index=i;}temp=a[index];a[index]=a[k];a[k]=temp;}printf("排序成功!\n");printf("是否显示排序结果?(y/n)\n");scanf("%s",&b);getchar();switch(b){case 'n':break;case 'y':printf("====================================================================== ======\n");printf(" 编号图书名作者名出版社类别出版时间价格\n");for(i=0;i<n;i++){printf(" %3d %-12s %-8s %-14s %-2s %-4d %.2f\n",a[i]->n um,a[i]->bname,a[i]->wname,a[i]->press,a[i]->sort,a[i]->time,a[i]->price);}printf("====================================================================== ======\n");break;default:printf("您的输入有误!\n");break;}}//按出版时间排序void time_paixu(struct book *head){struct book *a[1000],*p,*p1,*temp;int i,k,index,n=0;char b;p1=head;for(p=head;p;p=p->next)n++;for(i=0;i<n;i++){a[i]=p1;p1=p1->next;}for(k=0;k<n-1;k++){index=k;for(i=k+1;i<n;i++){if(a[i]->time<a[index]->time)index=i;}temp=a[index];a[index]=a[k];a[k]=temp;}printf("排序成功!\n");printf("是否显示排序结果?(y/n)\n");scanf("%s",&b);getchar();switch(b){case 'n':break;case 'y':printf("====================================================================== ======\n");printf(" 编号图书名作者名出版社类别出版时间价格\n");for(i=0;i<n;i++){printf(" %3d %-12s %-8s %-14s %-2s %-4d %.2f\n",a[i]->n um,a[i]->bname,a[i]->wname,a[i]->press,a[i]->sort,a[i]->time,a[i]->price);}printf("====================================================================== ======\n");break;default:printf("您的输入有误!\n");break;}}//按图书价格排序void price_paixu(struct book *head){struct book *a[1000],*p,*p1,*temp;int i,k,index,n=0;char b;p1=head;for(p=head;p;p=p->next)n++;for(i=0;i<n;i++){a[i]=p1;p1=p1->next;}for(k=0;k<n-1;k++){index=k;for(i=k+1;i<n;i++){if(a[i]->price<a[index]->price)index=i;}temp=a[index];a[index]=a[k];a[k]=temp;}printf("排序成功!\n");printf("是否显示排序结果?(y/n)\n");scanf("%s",&b);getchar();switch(b){case 'n':break;case 'y':printf("====================================================================== ======\n");printf(" 编号图书名作者名出版社类别出版时间价格\n");for(i=0;i<n;i++){printf(" %3d %-12s %-8s %-14s %-2s %-4d %.2f\n",a[i]->n um,a[i]->bname,a[i]->wname,a[i]->press,a[i]->sort,a[i]->time,a[i]->price);}printf("====================================================================== ======\n");break;default:printf("您的输入有误!\n");break;}}//按图书名排序void bname_paixu(struct book *head){struct book *a[1000],*p,*p1,*temp;int i,k,index,n=0;char b;p1=head;for(p=head;p;p=p->next)n++;for(i=0;i<n;i++){a[i]=p1;p1=p1->next;}for(k=0;k<n-1;k++){index=k;for(i=k+1;i<n;i++){if(strcmp(a[index]->bname,a[i]->bname)>0)index=i;}temp=a[index];a[index]=a[k];a[k]=temp;}printf("排序成功!\n");printf("是否显示排序结果?(y/n)\n");scanf("%s",&b);getchar();switch(b){case 'n':break;case 'y':printf("====================================================================== ======\n");printf(" 编号图书名作者名出版社类别出版时间价格\n");for(i=0;i<n;i++){printf(" %3d %-12s %-8s %-14s %-2s %-4d %.2f\n",a[i]->n um,a[i]->bname,a[i]->wname,a[i]->press,a[i]->sort,a[i]->time,a[i]->price);}printf("====================================================================== ======\n");break;default:printf("您的输入有误!\n");break;}}//按作者名排序void wname_paixu(struct book *head){struct book *a[1000],*p,*p1,*temp;int i,k,index,n=0;char b;p1=head;for(p=head;p;p=p->next)n++;for(i=0;i<n;i++){a[i]=p1;p1=p1->next;}for(k=0;k<n-1;k++){index=k;for(i=k+1;i<n;i++){if(strcmp(a[index]->wname,a[i]->wname)>0)index=i;}temp=a[index];a[index]=a[k];a[k]=temp;}printf("排序成功!\n");printf("是否显示排序结果?(y/n)\n");scanf("%s",&b);getchar();switch(b){case 'n':break;case 'y':printf("====================================================================== ======\n");printf(" 编号图书名作者名出版社类别出版时间价格\n");for(i=0;i<n;i++){printf(" %3d %-12s %-8s %-14s %-2s %-4d %.2f\n",a[i]->n um,a[i]->bname,a[i]->wname,a[i]->press,a[i]->sort,a[i]->time,a[i]->price);}printf("====================================================================== ======\n");break;default:printf("您的输入有误!\n");break;}}。

图书管理系统代码//***********************//图书馆管理系统//***********************#include<stdio.h>#include<string.h>#include<malloc.h>#define null 0#define max 65536static int n;//*********************// 图书结构体//*********************typedef struct{char num[10]; //书号char name[9]; //书名char addr[31]; //作者int Nowcounter; //现存量int Allcounter; //总库存量}datatype;datatype *x[max]; //定义两个指针数组datatype *p;//*****************************//图书功能函数列表//*****************************void redo(); //主递归函数void creatlist(datatype *x[]); //图书建立函数int menu_select(); //功能菜单函数void find(datatype *x[],int n); //查找函数void delnode(datatype *x[]); //插入函数void printlist(datatype *x[]); //显示函数void jieyue(datatype *x[],int n); //借阅函数void guihuan(datatype *x[],int n); //归还函数//*****************************//主递归函数程序//*****************************void redo(){int i=0,j,n1,k=0,flage;for( ; ;){switch( menu_select()){case 1: //选项1的实现printf("***********************\n");printf("* 图书的建立*\n");printf("***********************\n");creatlist(x);break;case 2: //选项2的实现printf("***********************\n");printf("* 新图书信息的添加*\n");printf("***********************\n");printf(" 插入的个数:");scanf("%d",&n1); //输入插入新图书的个数for(i=0;i<n1;i++){flage=0;p=(datatype *)malloc(sizeof(datatype)); //分配一个节点空间printf(" 书名: ");scanf("%s",p->name); //输入插入书的书名if(flage==0){for(j=0;j<n;j++){if(strcmp(x[j]->name,p->name) == 0 )//调用比较函数查看书名是否已知{x[j]->Allcounter++;x[j]->Nowcounter++;flage=1;}}if(flage==0){n++;printf(" 第%d 个图书数据:\n",n); //插入新的图书p=(datatype *)malloc(sizeof(datatype));x[n-1]=p;printf(" 书名:");scanf("%s",x[n-1]->name); //输入书名printf(" 编号:");scanf(" %s",x[n-1]->num); //输入书号printf(" 作者:");scanf(" %s",x[n-1]->addr); // 输入作者名printf(" 总库存量：");scanf("%d",&x[n-1]->Allcounter); //输入总库存量x[n-1]->Nowcounter=x[n-1]->Allcounter;}}}break;case 3:printf("***********************\n");printf("* 图书信息的查询*\n");printf("***********************\n");find(x,n);break;case 4:printf("************************\n");printf("* 图书信息的删除*\n");printf("************************\n");delnode(x);break;case 5:printf("************************\n");printf("* 图书信息的显示*\n");printf("************************\n");printlist(x);break;case 6:printf("************************\n");printf(" 图书的借阅\n");printf("************************\n");jieyue(x,n);break;case 7:printf("************************\n");printf(" 图书的归还\n");printf("************************\n");guihuan(x,n);break;case 0:printf("\t 谢谢使用，再见! \n");return;}}//*************************//主函数程序//*************************void main (){redo(); //调用主递归函数}//*************************//功能菜单函数//*************************int menu_select(){int i;printf(" 欢迎进入图书管理系统！\n");printf("===========================\n");printf(" 1. 图书信息的采集\n");printf(" 2. 新图书的插入\n");printf(" 3. 图书信息的查询\n");printf(" 4. 图书的删除\n");printf(" 5. 图书的显示\n");printf(" 6. 图书的借阅\n");printf(" 7. 图书的归还\n");printf(" 0. 退出管理系统\n");printf("===========================\n");printf(" 请选择0-7: ");scanf("%d",&i);while(i<0||i>7){printf("\n\t输入出错，重选0-7: ");scanf("%d",&i);}return i;}//********************************// 建立链表图书建造函数//********************************void creatlist(datatype *x[]){int i;printf(" 请输入要建立图书的个数:");scanf("%d",&n);for(i=0;i<n;i++)printf(" 第%d 个图书数据:\n",i+1);p=(datatype *)malloc(sizeof(datatype)); //分配一个节点空间x[i]=p;printf(" 书名:"); //输入图书各项内容scanf("%s",x[i]->name);printf(" 编号:");scanf(" %s",x[i]->num);printf(" 作者:");scanf(" %s",x[i]->addr);printf(" 总库存量：");scanf("%d",&x[i]->Allcounter);x[i]->Nowcounter=x[i]->Allcounter;}}//**********************************// 查找函数程序//*********************************void find(datatype *x[],int n){char num[10];char name[9];int t,i;printf("=================\n"); //输出查找方式printf(" 1.按编号查询\n");printf(" 2.按书名查询\n");printf("=================\n");printf(" 请选择: ");scanf("%d",&t); //输入选择信息if(t==1){printf(" 请输入要查找者的编号: ");scanf("%s",num); //输入书号for(i=0;i<n;i++){if(strcmp(x[i]->num,num)==0) //调用strcmp函数{printf(" 编号书名作者现库存量总库存量\n");//输出要查询书的信息printf(" %-10s%-10s%-10s%-10d%-10d\n",x[i]->num,x[i]->name,x[i]->addr,x[i]->Nowcounter,x[i]->Allcounter);elsecontinue;}}else{printf(" 请输入要查询的书名: ");scanf("%s",name); // 输入书名for(i=0;i<n;i++){if(strcmp(x[i]->name,name)==0){printf("编号书名作者现库存量总库存量\n"); //输出要查询书的信息printf(" %-10s%-10s%-10s%-10d%-10d\n",x[i]->num,x[i]->name,x[i]->addr,x[i ]->Nowcounter,x[i]->Allcounter);}elsecontinue;}}}//******************************//删除函数程序//******************************void delnode(datatype *x[]){char num1[10],name1[10]; //定义两个字符数组int i,j,m=1,p;printf(" 1.按编号删除\n"); //输出选择方式printf(" 2.按书名删除\n");printf(" 3.返回\n");printf(" 请选择：\n");scanf("%d",&p); //输入选择信息if(p>3||p<1){printf(" 您的输入有误，请重新输入！\n");scanf("%d",&p); //重新输入选择信息}switch(p) //实现删除程序{case 1:printf(" 输入要删除书的编号：\n");scanf(" %s",num1);for(i=0;i<n;i++){if(strcmp(x[i]->num,num1)==0) //调用strcmp函数{m=0;n--;for(j=i;j<n;j++)x[j]=x[j+1]; //将该书信息删除printf(" 该书已删除!\n");}}if(m==1)printf(" 没有这样的的图书\n");break;case 2:printf(" 输入要删除书的名字：\n");scanf("%s",&name1);for(i=0;i<n;i++){if(strcmp(x[i]->name,name1)==0) //调用strcmp函数{m=0;n--;for(j=i;j<n;j++) //将该书信息删除x[j]=x[j+1];printf(" 该书已删除!\n");}}if(m==1)printf(" 没有这样的的图书\n");break;case 3:break;}}//////////////////////////////借阅函数程序/////////////////////////void jieyue(datatype *x[],int n){int i,m=1,p;char name1[10],num1[10]; //定义两个字符数组printf(" 1.按名字借阅\n"); //输出选择方式printf(" 2.按编号借阅\n");printf(" 3.返回\n");printf(" 请选择\n");scanf("%d",&p); //输入选择信息if(p>3||p<1){printf(" 您的输入有误！\n");scanf("%d",&p); //重新输入选择信息}switch(p) //实现查询程序{case 1:printf(" 请输入你要的书的名字！\n");scanf("%s",&name1); // 输入书名for(i=0;i<n;i++){if(strcmp(x[i]->name,name1)==0) //调用strcmp函数{m=0;if(x[i]->Nowcounter!=0)x[i]->Nowcounter--;printf(" 借书成功！\n");if(x[i]->Nowcounter==0)printf(" 这本书已经没有了\n");}}if(m==1)printf(" 您要的书不存在！\n");break;case 2:printf(" 请输入你要的书的编号！\n");scanf("%s",&num1); // 输入书号for(i=0;i<n;i++){if(strcmp(x[i]->num,num1)==0) //调用strcmp函数{m=0;if(x[i]->Nowcounter!=0)x[i]->Nowcounter--; //现存书数量减1printf(" 借书成功！\n");if(x[i]->Nowcounter==0)printf(" 这本书已经没有了\n");}}if(m==1)printf(" 您要的书不存在！\n");break;case 3:break;}}////////////////////////////归还程序//////////////////////void guihuan(datatype *x[],int n){int i,q,m=1;char name1[10],num1[10]; //定义两个字符数组printf(" 1.按书名归还\n"); //输出可选择方式printf(" 2.按书号归还\n");printf(" 3.返回\n");printf(" 请选择\n");scanf("%d",&q); //输入选择信息if(q>3||q<1){printf(" 您的输入有误！\n");scanf("%d",&q); //重新输入选择信息}switch(q) //实现归还程序{case 1:printf(" 输入归还书的书名: ");scanf("%s",&name1); // 输入书名for(i=0;i<n;i++){if(strcmp(x[i]->name,name1)==0){m=0;x[i]->Nowcounter++;printf("此书归还成功！\n");printf("此书的存储情况\n");printf("编号书名作者现存量总存量\n"); printf("===============================================\n");printf(" %-10s%-10s%-10s%-10d%-10d\n",x[i]->num,x[i]->name,x[i]->addr,x[i]->Nowcounter,x[i]->Allcounter);printf("===============================================\n");}if(strcmp(x[i]->name,name1)==0)continue;}if(m==1)printf("此书不是图书馆的！\n");break;case 2:printf("输入归还书的书号\n");scanf("%s",&num1); // 输入书号for(i=0;i<n;i++){if(strcmp(x[i]->num,num1)==0){m=0;x[i]->Nowcounter++; //显存书增加1printf("此书归还成功！\n");printf("此书的存储情况\n");printf("编号书名作者现存量总存量\n"); printf("==============================================\n");printf(" %-10s%-10s%-10s%-10d%-10d\n",x[i]->num,x[i]->name,x[i]->addr,x[i]->Nowcounter,x[i]->Allcounter);printf("==============================================\n");}if(strcmp(x[i]->num,num1)==0) //调用strcmp 函数continue;}if(m==1)printf("此书不是图书馆的！\n");break;case 3:break;}}//**************************************// 输出程序//**************************************void printlist(datatype *x[]){int i;printf("编号书名作者现存量总存量\n");//输出图书各项信息for(i=0;i<n;i++){printf(" %-10s%-10s%-10s%-10d%-10d\n",x[i]->num,x[i]->name,x[i]->addr,x[i ]->Nowcounter,x[i]->Allcounter);}printf("===============================================\n");}。

＃include<stdio。

h〉＃include<stdlib.h〉＃include〈string。

h〉struct tushu{ /*图书结构体＊/ char num［10］; /＊编号＊/char name[20］；/＊书名＊/char writer［20］；/*作者*/char press［20]；/＊出版社＊/char kind[20]；/＊类别＊/double time; /*时间＊/double price；/＊价格*/struct tushu *next；｝;struct stu /＊学生结构体＊/ ｛int snum；/＊学号＊/char mima［10]; /＊密码＊/struct stu ＊next；}；FILE ＊fp; /*图书文件*/FILE ＊fp1; /＊管理员信息文件＊/ FILE ＊fp2; /*学生信息文件＊/void menu（）；/＊管理员主菜单（管理员进入对图书及学生信息进行管理操作）*/void xmenu（）；/＊学生主菜单(学生进入可对图书，密码进行操作）＊/void gfind（); /*管理员查询（管理员可按一定的方式查询图书)＊/void xfind()；/＊学生查询（学生可按一定的方式查询图书)*/ void secret（)；/＊管理员权限（管理员登陆所用，输入错误次数过多自动退出）＊/void sort（）；/＊排序（管理员可按一定的方式对图书进行排序，排序完之后可选择文件进行保存）*/void fprint（struct tushu *head）；/＊保存(可追加的保存，如添加可用)*/void fprint_（struct tushu *head）；/*保存（可覆盖保存如修改,删除，排序后用）*/void hfprint(struct tushu ＊head）; /＊还书保存（还书成功后自动保存到文件）*/void jfprint_(struct tushu ＊head）；/*借书保存（借书成功之后自动从图书馆删除）＊/struct tushu * Input（）; /*图书添加（可进行图书的添加)＊/struct tushu ＊create（）; /＊从文件创建链表(从文件中读出信息,建立单链表）*/void gBrowse(struct tushu *head）；/＊管理员浏览(对图书进行遍历)＊/void xBrowse（struct tushu ＊head）；/＊学生浏览（学生对图书进行遍历）＊/void count(struct tushu ＊head）; /＊统计数量(管理员可对图书进行统计）*/void Findofname(struct tushu ＊head); /*按书名查找＊/ void Findofwriter（struct tushu *head）; /*按作者查找*/void Findofkind（struct tushu *head）; /*按类别查找*/void xFindofname（struct tushu ＊head)；/＊学生按书名查找＊/void xFindofwriter（struct tushu *head）；/*学生按作者查找＊/ void xFindofkind(struct tushu ＊head）; /*学生按类别查找＊/ void Sort_time（struct tushu * head）; /*按时间排序（管理员按时间对图书进行排序，排序完之后可选择文件进行保存)＊/ void Sort_price(struct tushu ＊head); /*按价格排序＊/void Sort_num（struct tushu * head）；/*按编号排序*/ void Delete（struct tushu * head，char m［15］)；/*按编号删除（管理员可按编号删除图书)＊/void Revise（struct tushu ＊head）；/*修改（管理员可对图书进行修改,并选择是否保存)＊/void borrow（struct tushu ＊head）; /＊借书＊/void huanshu（); /*还书（学生借完书之后进行还书，若没有图书则不能借)＊/void gxinxi（）; /＊管理员信息（有管理员的账号及密码，可进行修改)＊/void xmima（struct stu *head1）；/＊学生密码修改(学生可对自己的密码进行修改)＊/struct stu ＊xcreate()；/＊从文件创建学生信息（从文件读出学生信息，建立学生链表）*/void xsecret(struct stu ＊head1)；/＊学生权限（学生登陆所用）＊/void menu（) /*管理员主菜单(管理员进入对图书及学生信息进行管理操作）＊/｛int choice,n=0；struct tushu ＊head；struct stu ＊head1，*p；char m[15］;there：printf("┏━┓━━━━━━━━━━━━━━━━━━━┏━┓\n"); printf（" ┃┃socat 图书管理系统printf（” ┃┗━━━━━━━━━━━━━━━━━━━┛┃\n"）; printf（" ┃●［0]退出系统┃\n")；printf（” ┃┃\n”)；prin tf(” ┃●[1］帮助┃\n"）；printf（” ┃┃\n”)；printf(” ┃●[2］浏览图书┃\n"）；printf（” ┃┃\n"）;printf(” ┃●［3]统计图书数目┃\n”）；printf（" ┃┃\n”）；printf（” ┃●［4］查询┃\n”）；printf（” ┃printf（” ┃●［5］添加┃\n"）；printf（” ┃┃\n”);printf(” ┃●［6]排序┃\n"）;printf(” ┃┃\n");printf(" ┃●［7］修改┃\n”）;printf(” ┃┃\n");printf(" ┃●[8］删除┃\n”)；printf（" ┃┃\n”）；printf（" ┃●[9]修改账号及密码┃\n"）；printf（” ┃┃\n”);printf（” ┃●［10]学生信息printf(”┗━━━━━━━━━━━━━━━━━━━━━━━┛\n"）；printf（” 请选择：”）；fflush（stdin)；head=create（）；scanf("％d”，＆choice）；if(choice==1）｛//help(）；printf(”没有内容!\n”）；system("pause”)；system（”cls”）；menu（）;}else if（choice==2)｛system（”cls"）；if(head==NULL）｛printf（”没有图书，请先添加图书！\n”）；system（"pause")；system（"cls"）;menu（）；}gBrowse（head);}else if（choice==3)｛system(”cls")；count（head）；｝else if(choice==4)｛system("cls")；if（head==NULL）｛printf（”没有图书,请先添加图书！\n”）；system（"pause”）；system(”cls”）；menu()；｝gfind（);｝else if(choice==5）｛Input（）；｝else if（choice==6）｛system（"cls")；if（head==NULL）｛printf(”没有图书，请先添加图书!\n”); system("pause”);system（”cls”）；menu（）；}sort（head）；}else if（choice==7){system("cls”）；if（head==NULL)｛printf（”没有图书,请先添加图书!\n”）;system("pause")；system（"cls”）；menu（）；｝Revise(head）;}else if（choice==8)｛if(head==NULL）{printf（"没有图书,请先添加图书!\n"）；system(”pause"）；system（”cls");menu（）;｝printf(" 请输入想要删除的图书编号：”)；scanf（”％s",m)；Delete（head，m）；}else if（choice==9）｛gxinxi（)；else if（choice==10）｛system（”cls”)；head1=xcreate（)；if（head1==NULL）｛printf("没有学生信息,请到xuesheng_list.txt添加！\n”); sys tem(”pause”）；system（”cls”）；menu（)；}for(p=head1;p！=NULL；p=p—>next）{printf（”学生学号密码\n”)；printf（"％d %s\n"，p->snum,p—>mima）；｝system（”pause”）；system("cls”）；menu(）;｝else if（choice==0）system（”cls");printf（”\n\n\n\n”)；printf（” ━━━━━━━━感谢使用图书管理系统━━━━━━━━\n\n\n”）；exit（0）;｝else｛system("cls")；printf（”\n\n\n\n ━━━━输入错误，请重新输入！━━━━\n\n\n ")；system("pause”）；system（”cls”)；n++;if(n==3)｛printf（” \n\n\n ━━━━━━━━你错误次数太多，自动退出！━━━━━━━━\n\n\n”）；printf(" ━━━━━━━━感谢使用图书管理系统━━━━━━━━\n\n\n")；system（”pause")；exit(0）;}goto there;｝｝void xmenu(）/＊学生主菜单（学生进入可对图书,密码进行操作）＊/｛struct tushu ＊head;struct stu ＊head1;int choice，n=0；there:printf(”┏━┓━━━━━━━━━━━━━━━━━━━┏━┓\n"）；printf（” ┃┃socat 图书借阅系统┃┃\n"）；printf(” ┃┗━━━━━━━━━━━━━━━━━━━┛┃\n"）; printf（” ┃●[0]退出系统┃\n”）；printf（” ┃printf（” ┃●[1］帮助┃\n”)；printf（” ┃┃\n”)；printf（” ┃●[2]浏览图书┃\n"）;printf（” ┃┃\n”）；printf（" ┃●［3］查询┃\n”）；printf（” ┃┃\n”);printf(” ┃●[4］借书┃\n");printf（” ┃┃\n”)；printf（" ┃●[5]还书┃\n"）;printf(" ┃┃\n”）；printf（” ┃●[6］修改密码printf("┗━━━━━━━━━━━━━━━━━━━━━━━┛\n”）; printf（" 请选择:"）;fflush(stdin)；head=create（）;scanf（"%d”，＆choice）；if（choice==1)｛//xhelp（）；printf（”没有内容!\n");system(”pa use"）；system（”cls”）；xmenu（）；}else if（choice==2）{system（"cls")；if（head==NULL){printf(”没有图书!\n"）;system（"pause”);xmenu(）；｝xBrowse(head)；｝else if（choice==3）｛if(head==NULL）｛printf(”没有图书!\n”）；system(”pause”)；system（”cls”）；xmenu();｝xfind（)；}else if（choice==4){if（head==NULL）｛printf（”没有图书!\n"）；system(”pause”）；xmenu()；｝borrow（head);｝else if（choice==5）{huanshu（head）；｝else if（choice==6)｛system（"cls”）;head1=xcreate（）;if（head1==NULL）｛printf(”学生信息被清空！！\n”)；system（"pause"）;system("cls”)；xmenu(）；}xmima(head1); ;｝else if(choice==0）{system（"cls"）;printf（”\n\n\n\n”);printf(” ━━━━━━━━感谢使用图书管理系统━━━━━━━━\n\n\n"）;exit（0）；｝else{system（"cls”）;printf（"\n\n\n\n ━━━━输入错误，请重新输入！━━━━\n\n\n ”）；system（”pause”）；system（”cls”)；n++;if(n==3）{printf（” \n\n\n ━━━━━━━━你错误次数太多，自动退出！━━━━━━━━\n\n\n”）；printf(” ━━━━━━━━感谢使用图书管理系统━━━━━━━━\n\n\n”)；system("pause”)；exit（0)；｝goto there；｝}void gfind（)/＊管理员查询（管理员可按一定的方式查询图书)＊/｛int choice，n=0；struct tushu ＊head;there：system（”cls”）；printf（” ┏━┓━━━━━━━━━━━━━━━━━━━┏━┓\n”)；printf(” ┃┃socat 图书借阅系统┃┃\n”）；printf（” ┃┗━━━━━━━━━━━━━━━━━━━┛┃\n"）；printf（" ┃●［0］返回┃\n"）；printf（" ┃┃\n”)；printf（" ┃●［1］按书名查找┃\n”);printf（" ┃┃\n”);printf（" ┃●[2］按作者查找┃\n”);printf(” ┃┃\n”）;printf(" ┃●［3]按类别查找┃\n”）；printf（" ┃┃\n”）;printf(" ┃● ┃\n”）；printf(”┗━━━━━━━━━━━━━━━━━━━━━━━┛\n”）；printf(" 请选择：”）；fflush（stdin)；head=create()；scanf（”％d”，＆choice)；if(choice==1）｛system（”cls"）；Findofname（head）; ｝else if(choice==2）｛system（”cls”）; Findofwriter（head）; ｝else if(choice==3)｛system(”cls"）；Findofkind（head）; }else if（choice==0）{system（”cls”）；menu（）；｝else｛system（”cls”）;printf（”\n\n\n\n ━━━━输入错误，请重新输入！━━━━\n\n\n ”)；system（"pause"）;system（”cls"）;n++；if(n==3)｛printf（" \n\n\n ━━━━━━━━你错误次数太多，自动退出! ━━━━━━━━\n\n\n”);printf（" ━━━━━━━━感谢使用图书管理系统━━━━━━━━\n\n\n”）;system（”pause”）;exit(0)；}goto there;}｝void xfind（）/＊学生查询（学生可按一定的方式查询图书)*/ {struct tushu ＊head；int choice,n=0;there：system("cls”);printf（” ┏━┓━━━━━━━━━━━━━━━━━━━┏━┓\n”）；printf（” ┃┃socat 图书借阅系统┃┃\n”）；printf（” ┃┗━━━━━━━━━━━━━━━━━━━┛┃\n"）；printf（” ┃●［0］返回┃\n”)；printf（” ┃┃\n")；printf（" ┃●[1]按书名查找┃\n”)；printf(” ┃┃\n”）；printf（" ┃●[2]按作者查找┃\n”）;printf（" ┃┃\n");printf(” ┃●[3］按类别查找┃\n");printf（” ┃┃\n”)；printf(" ┃● ┃\n"）；printf(”┗━━━━━━━━━━━━━━━━━━━━━━━┛\n"); printf（” 请选择:"）；fflush（stdin）；head=create(）;scanf(”％d"，&choice)；if(choice==1）{system（”cls”)；xFindofname（head）；}else if(choice==2）{system(”cls”）;xFindofwriter（head）；｝else if（choice==3)｛system（"cls"）；xFindofkind(head)；｝else if（choice==0){system(”cls"）；xmenu（);｝else{system("cls"）；printf（"\n\n\n\n ━━━━输入错误,请重新输入!━━━━\n\n\n ”）;system（”pause”）；system（”cls")；n++；if(n==3)｛printf（” \n\n\n ━━━━━━━━你错误次数太多，自动退出！━━━━━━━━\n\n\n”）;printf(” ━━━━━━━━感谢使用图书借阅系统━━━━━━━━\n\n\n”)；system（"pause”)；exit(0）;}goto there；}｝void sort(）｛struct tushu *head；int choice,n=0;there:system（"cls”）;printf（” ┏━┓━━━━━━━━━━━━━━━━━━━┏━┓\n"）；printf（” ┃┃socat 图书借阅系统┃┃\n");printf（" ┃┗━━━━━━━━━━━━━━━━━━━┛┃\n”）；printf（" ┃●[0］返回┃\n”)；printf(” ┃┃\n"）;printf（” ┃●［1］按时间排序┃\n”）;printf（” ┃┃\n”）;printf(” ┃●［2］按价格排序┃\n")；printf（" ┃┃\n”);printf（” ┃●［3]按编号排序┃\n”）；printf(" ┃┃\n”）；printf（” ┃●┃\n”)；printf(”┗━━━━━━━━━━━━━━━━━━━━━━━┛\n”）；printf（" 请选择：”）；fflush（stdin)；head=create();scanf("％d"，＆choice）；if（choice==1）{system("cls”); Sort_time（head)；}else if(choice==2）{sys tem(”cls"）；Sort_price(head）；｝else if(choice==3）{system(”cls”）；Sort_num(head); }else if(choice==0）{system("cls”); menu（)；}else{system（”cls"）；printf（"\n\n\n\n ━━━━输入错误,请重新输入！━━━━\n\n\n ”）;system（”pause”）；system（”cls”）；n++；if(n==3）{printf（” \n\n\n ━━━━━━━━你错误次数太多,自动退出! ━━━━━━━━\n\n\n”）；printf(” ━━━━━━━━感谢使用图书借阅系统━━━━━━━━\n\n\n”)；system("pause”）；exit（0）;}goto there;}｝struct tushu *Input（)｛struct tushu *p1,＊p2，*head,*ptr；char num；int x，i=0；system（"cls”);p1=(struct tushu *）malloc(sizeof(struct tushu)）;head=p1;p1-〉price=—1；while（i！=1){printf(”请输入编号，以’＃’结束\n”)；scanf("%s"，p1—>num);if（strcmp(p1-〉num，”#")==0）i=1；while（i！=1）｛printf（”请依次输入书名作者出版社类别出版时间价格\n”）; scanf（”％s％s％s%s%lf%lf”，p1—>name，p1—>writer，p1—〉press，p1-〉kind,＆p1-〉time,&p1—〉price)；p2=p1；p1=（struct tushu ＊)malloc（sizeof（struct tushu）);p2—〉next=p1；break；｝｝if(p1-〉price！=-1）p2—〉next=NULL;elsehead=NULL;system（"cls”）；printf("\n\n\n\t\t\t图书信息输入结束！\n\n\n”）;system（”pause”）;system(”cls”）;printf（”\n\n\n\t\t\t是否保存图书信息？（1。