包含教室借阅系统java代码的词条

Java编写图书管理系统,使用XML存储

import java.io.File;

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import java.io.FileOutputStream;

import java.util.ArrayList;

import java.util.List;

import java.util.Scanner;

import org.dom4j.Document;

import org.dom4j.DocumentHelper;

import org.dom4j.Element;

import org.dom4j.io.OutputFormat;

import org.dom4j.io.SAXReader;

import org.dom4j.io.XMLWriter;

public class Book {

private int no;

private String name;

private double value;

public Book() {

}

public Book(int no, String name, double value) {

this.no = no;

this.name = name;

this.value = value;

}

public double getValue() {

return value;

}

public void setValue(double value) {

this.value = value;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public int getNo() {

return no;

}

public void setNo(int no) {

this.no = no;

}

}

class BookList {

private ListBook bookList;

public BookList() {

bookList = readXML();

}

public long getCount() {

return bookList.size();

}

public ListBook getBookList() {

return bookList;

}

public void setBookList(ListBook bookList) {

this.bookList = bookList;

}

public void add(Book book) {

bookList.add(book);

}

public boolean delete(String name) {

Book book = query(name);

return bookList.remove(book);

}

public void update(Book bookBefore, Book bookAfter) {

bookList.remove(bookBefore);

add(bookAfter);

}

public Book query(String name) {

Book temp = null;

for (Book book : bookList) {

if (book.getName().equals(name)) {

temp = book;

}

}

return temp;

}

public synchronized void writeXmlDocument(Book book) {

try {

File file = new File("D:\\book.xml");

Document document = null;

Element root = null;

if (!file.exists()) {

// 新建student.xml文件并新增内容

document = DocumentHelper.createDocument();

root = document.addElement("Books");//添加根节点   

} else {

SAXReader saxReader = new SAXReader();

document = saxReader.read(file);

root = document.getRootElement();//获得根节点

}

Element secondRoot = root.addElement("Book");//二级节点   

//为二级节点添加属性,属性值为对应属性的值   

secondRoot.addElement("no").setText(book.getNo() + "");

secondRoot.addElement("name").setText(book.getName() + "");

secondRoot.addElement("value").setText(book.getValue() + "");

OutputFormat format = OutputFormat.createPrettyPrint();

format.setEncoding("GBK");

XMLWriter writer = new XMLWriter(new FileOutputStream("D:\\book.xml"), format);

writer.write(document);

writer.close();

document.clearContent();

} catch (Exception e) {

e.printStackTrace();

}

}

public synchronized ListBook readXML() {

ListBook list = new ArrayListBook();//创建list集合   

File file = null;

try {

file = new File("D:\\book.xml");//读取文件   

if (file.exists()) {

SAXReader saxReader = new SAXReader();

Document document = saxReader.read(file);

List nodeList = document.selectNodes("Books/Book");

for (int i = 0; i  nodeList.size(); i++) {

Element el = (Element) nodeList.get(i);

Book book = new Book();

book.setNo(Integer.parseInt(el.elementText("no")));

book.setName(el.elementText("name"));

book.setValue(Double.parseDouble(el.elementText("value")));

list.add(book);

}

}

} catch (Exception e) {

e.printStackTrace();

}

return list;

}

}

class Test {

public static void main(String args[]) {

BookList bl = new BookList();

boolean bBreak = true;

while (bBreak) {

System.out.println("请输入操作代码:");

System.out.println("1:添加 2:删除 3:修改 4:查询 5:书籍统计 6:退出");

Scanner sc = new Scanner(System.in);

int code = sc.nextInt();

if (code == 1) {

System.out.println("请输入编号");

int no = sc.nextInt();

System.out.println("请输入书名");

String name = sc.next();

System.out.println("请输入售价");

double value = sc.nextDouble();

Book book = new Book(no, name, value);

bl.add(book);

bl.writeXmlDocument(book);

} else if (code == 2) {

System.out.println("请输入要删除的书籍名");

String name = sc.next();

if (bl.delete(name)) {

System.out.println("删除成功");

} else {

System.out.println("书籍不存在");

}

} else if (code == 3) {

System.out.println("请输入要修改的书籍名");

String name = sc.next();

Book bookBefore = bl.query(name);

System.out.println("请输入新的编号");

int newNo = sc.nextInt();

System.out.println("请输入新的书名");

String newName = sc.next();

System.out.println("请输入新的售价");

double value = sc.nextDouble();

Book bookAfter = new Book(newNo, newName, value);

bl.update(bookBefore, bookAfter);

} else if (code == 4) {

System.out.println("请输入要查询的书籍名");

String name = sc.next();

Book book = bl.query(name);

System.out.println("编号:" + book.getNo() + " 书名:" + book.getName() + " 售价:" + book.getValue());

} else if (code == 5) {

ListBook list = bl.getBookList();

System.out.println("总书籍数:" + bl.getCount());

for (Book book : list) {

System.out.println("编号:" + book.getNo() + " 书名:" + book.getName() + " 售价:" + book.getValue());

}

} else if (code == 6) {

bBreak = false;

}

}

}

}

jar 包  dom4j.jar  jaxen-1.1.4.jar

JAVA对图书馆借阅书籍情况编程

首先这个问题涉及到三个对象和一个动作,即图书对象,学生对象和借书信息的对象,和完成“借书”的动作,图书对象又可以包含图书编号,书名,作者,出版社,出版日期等等,学生对象包含学生编号,姓名,性别,班级,系别等等。借书信息对象包含图书编号,学生编号,借书时间,借书数目等等

写好这三个类,然后分别new一个图书和学生的对象实例,

接着写一个借书动作过程的方法,将图书对象和学生对象的属性保存到借书信息的对象中....代码略

求java编程源代码,关于图书借阅系统的,

eess:跪求运用java实现图书借阅系统的设计源代码

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一声)

针对本题目

我们能提供一套与需求相匹配的源代码

es:\bd451e98b28557d0a0ef65c37d6877a8

eess:跪求运用java实现图书借阅系统的设计源代码

交易提醒:预付订金是陷阱

图书馆借阅系统源代码

#includestdio.h #includestring.h #includeconio.h #includestdlib.h #includectype.h #define STACK_INIT_SIZE 10 #define OK 1 #define TRUE 1 #define FALSE 0 #define ERROR 0 struct student /*定义学生类型,用于存放借出的书籍*/ { int carnum; char lendbook[10]; }student[1000]; struct employ /*定义职工类型*/ { int employnum; char employname[15]; int employage; char employsex[2]; char employleve[10]; long int employtage; }employ[50]; struct book /*定义书的类型*/ { int booknum; char bookname[10]; char bookcreat[10]; 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]; struct car /*借书卡的数据类型*/ { int carnum; char studentname[10]; int studentclass; }car[100]; 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,防止数据遭破坏*/ int i,n; int carnum; char lendbook[10]; 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("系统没这样的卡,和管理员联系,按任意键返回\n"); /*出错提示*/ fclose(fp); getch(); } findbook() { FILE *fp; char bookname[10]; 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[10]; 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,其他输入非法!\n"); scanf("%s",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,请借其他书\n");fclose(fp);getch();return;} 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; } } printf("不存在这样的书,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!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(); }

用java编写一个 图书馆图书借阅管理系统

---------------------------------------------------

给你修改了三个地方:

1.borrowBooks方法中,将System.out.println("你要借吗?"); 改为:

System.out.println("你要借吗?输入1表示借,其他数字表示不借。");

保证输入的时候输入的数字,否则会报出异常。

2.borrowBooks方法中,将self[score] = all[9]; 改为:self[score] = all[i];

如果是all[9],那么就始终是最后一本书籍信息了。

3.have方法中,你是想将所借的书籍信息都打印出来。修改的比较多,下面注释代码是原来的。

void have(Books[] self) {

// for (int i = 0; i 2; i++) {

// self[i].showBookInfo();

// }

for (int i = 0; i 3; i++) {

if(self[i]!=null)

self[i].showBookInfo();

}

}

****************** 附上所有代码:*************************

import java.util.Scanner;

public class TestBook {

public static void main(String[] args) {

Books all[] = new Books[10];

Books self[] = new Books[3];

all[0] = new Books("java", 1, "12345", "tom", 34.0f, "人民出版社");

all[1] = new Books("c", 2, "12346", "tnn", 31.0f, "人民出版社");

all[2] = new Books("c++", 3, "12445", "mm", 35.0f, "人民出版社");

all[3] = new Books("c#", 4, "12365", "tt", 38.0f, "人民出版社");

all[4] = new Books("j2se", 5, "13345", "tosm", 31.1f, "人民出版社");

all[5] = new Books("j2ee", 6, "18345", "ttm", 32.0f, "人民出版社");

all[6] = new Books("jsp", 7, "12335", "cc", 33.0f, "人民出版社");

all[7] = new Books("net", 8, "12341", "bb", 36.0f, "人民出版社");

all[8] = new Books("ip", 9, "12343", "aa", 37.0f, "人民出版社");

all[9] = new Books("tcp", 10, "22345", "jj", 39.0f, "人民出版社");

Readers r = new Readers("xiaoming", 101, "1", 3);

r.searchAllBooks(all);

r.borrowBooks(all, self);

r.have(self);

r.give(all, self);

}

}

class Readers {

Scanner scan = new Scanner(System.in);

String names;

int nums;

String classes;

int grade;

int score = 0;

// Books self[]=new Books[3];

Readers(String n, int u, String c, int g) {

names = n;

nums = u;

classes = c;

grade = g;

}

void searchAllBooks(Books[] all) {// 查书

for (int i = 0; i 10; i++)

all[i].showBookInfo();

// self[score]=all[0];

}

void give(Books[] all, Books[] self) {// 还书

System.out.println("请输入您要还的书的书号");

int n = scan.nextInt();

for (int i = 0; i 10; i++) {

if (n == all[i].num) {

for (int j = 0; j 3; j++) {

if (self[j] == all[i]) {

self[j] = null;

System.out.println("还书成功");

}

}

}

}

}

void have(Books[] self) {

// for (int i = 0; i 2; i++) {

// self[i].showBookInfo();

// }

for (int i = 0; i 3; i++) {

if(self[i]!=null)

self[i].showBookInfo();

}

}

void giveMoney() {

}

void borrowBooks(Books[] all, Books[] self) {

System.out.println("请输入您要查找的书名:");

String n = scan.next();

int i;

for (i = 0; i 10; i++) {

if (n.equals(all[i].name)) {

all[i].showBookInfo();

break;

}

}

//System.out.println("你要借吗?");

System.out.println("你要借吗?输入1表示借,其他数字表示不借。");

int j;

j = scan.nextInt();

if (j == 1) {

System.out.println("借阅成功");

//self[score] = all[9];

self[score] = all[i];

score += 1;

}

if (score 4) {

System.out.println("您还可以借阅" + (3 - score) + "本");

} else {

System.out.println("对不起,一个人只能借3本");

}

}

}

class Books {

String name;

int num;

String ISBN;

String writer;

float price;

String publisher;

Books(String n, int u, String i, String w, float p, String l) {

name = n;

num = u;

ISBN = i;

writer = w;

price = p;

publisher = l;

}

void showBookInfo() {

System.out.println("**************************");

System.out.println("书名:" + name);

System.out.println("索书号:" + num);

System.out.println("ISBN号:" + ISBN);

System.out.println("价格:" + price);

System.out.println("出版社:" + publisher);

System.out.println("**************************");

}

}

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