图书管理系统java版

时间:2022-01-20 04:06:11

本文的目的就是通过图书管理系统掌握数据库编程技术,能正确连接数据库,能对数据库中信息进行查询、插入、删除、修改。

内容:在数据库中创建一张书目信息表,包括书名、作者、出版社、出版日期、书号、价格字段。设计一个GUI界面进行书目管理。在该界面上有四个选项卡,分别是查询、插入、删除、修改。点击查询选项卡,出现的界面上有书名、作者、出版社、书号四个文本框,一个按钮和一个只读文本区。文本框内容可以为空,输入相应的查询信息后(例如根据书名查询可以仅输入书名),点击界面上的“查询”按钮,可以在界面下方的文本区中显示出符合条件的书目详细信息。点击插入选项卡,出现的界面上有书名、作者、出版社、出版日期、书号、价格文本框,一个按钮。在文本框中输入信息后,点击“插入”按钮,该书目信息插入数据库表中。点击删除选项卡,出现的界面上有书名文本框和一个按钮,输入书名后点击“删除”按钮,该书目信息从数据库表中删除。点击修改选项卡,出现的界面上有书名、作者、出版社、出版日期、书号、价格文本框,一个按钮。输入的书名必须是已存在的,否则会弹出消息框显示出错信息。输入信息后,点击“修改”按钮,数据库表中的相应书目信息被修改为新值。

源码:

BookInfo.java

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* 项目名称:图书管理系统
 * 版本: 1.0
 * 创建者: 张俊强
 * 创建时间:2016/5/26
 * */
package librarySystem;
 
import java.awt.*;
 
import javax.swing.*;
 
import java.awt.event.*;
import java.sql.*;
 
@SuppressWarnings("serial")
public class BookInfo extends JFrame implements ActionListener{
 //主角面上的控件
 private JLabel inputLabel;
 private JTextField inputText;
 private JButton searchBut;
 
 private JTable bookTable;
 private JScrollPane bookScroll;
 private JButton addBut;
 private JButton modifyBut;
 private JButton deleteBut;
 private JButton refreshBut;
 private BookTableModel bookTableModel;
 public static void main(String[] args) throws SQLException {
 // TODO Auto-generated method stub
 BookInfo bookInfo=new BookInfo();
 bookInfo.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 bookInfo.setBounds(350, 150, 600, 400);
 bookInfo.setVisible(true);
// bookInfo.importSQL();//导出数据
 bookInfo.setMinWindowLayout();//设置数据
 }
 public BookInfo() throws SQLException{
 //创建主界面上的控件
 inputLabel=new JLabel("请输入书名:");
 inputText=new JTextField(10);
 searchBut=new JButton("查询");
 bookTableModel=new BookTableModel();
 
 bookTable=new JTable(bookTableModel);
 bookScroll=new JScrollPane(bookTable);
 
 addBut=new JButton("添加");
 modifyBut=new JButton("修改");
 deleteBut=new JButton("删除");
 refreshBut=new JButton("刷新");
 searchBut.addActionListener(this);
 addBut.addActionListener(this);
 refreshBut.addActionListener(this);
 modifyBut.addActionListener(this);
 deleteBut.addActionListener(this);
 
 }
 
 void setMinWindowLayout(){
 //主界面布局
 Container con1=new Container();
 con1.setLayout(new FlowLayout());
 con1.add(inputLabel);
 con1.add(inputText);
 con1.add(searchBut);
 con1.add(refreshBut);
 Container con2=new Container();
 con2.setLayout(new FlowLayout());
 con2.add(addBut);
 con2.add(modifyBut);
 con2.add(deleteBut);
 this.setLayout(new BorderLayout());
 this.add(con1,BorderLayout.NORTH);
 this.add(bookScroll,BorderLayout.CENTER);
 this.add(con2,BorderLayout.SOUTH);
 this.validate();
 }
 @Override
 public void actionPerformed(ActionEvent e) {
 // TODO Auto-generated method stub
 if(e.getSource()==searchBut){
 if(!this.inputText.getText().equals("")){
 String bookName=this.inputText.getText();
 String sql="SELECT * FROM book_info WHERE book_name ='"+bookName+"'";
 try {
 bookTableModel=new BookTableModel(sql);
 bookTable.setModel(bookTableModel);
 } catch (SQLException e1) {
 // TODO Auto-generated catch block
 e1.printStackTrace();
 }
  
 }else{
 JOptionPane.showMessageDialog(this,"输入不能为空", "提示",JOptionPane.PLAIN_MESSAGE);
 }
 }
 else if(e.getSource()==addBut){
 @SuppressWarnings("unused")
 AddBookDialog addWin=new AddBookDialog(this,"添加图书",true);
 this.refreshTable();
 }
 else if(e.getSource()==refreshBut){
 this.refreshTable();
 }
 else if(e.getSource()==deleteBut){
 int rowNum=bookTable.getSelectedRow();
 if(rowNum<0||rowNum>bookTable.getRowCount()){
 JOptionPane.showMessageDialog(this,"未选中", "提示",JOptionPane.PLAIN_MESSAGE);
 }
 else{
 //System.out.print(bookName);
 int n = JOptionPane.showConfirmDialog(null, "确认删除吗?", "确认删除框", JOptionPane.YES_NO_OPTION);
 if (n == JOptionPane.YES_OPTION) {
  String bookNum=(String) bookTable.getValueAt(rowNum, 0);
  String sql="DELETE FROM book_info WHERE book_num= '"+bookNum+"'";
  bookTableModel.deleteBook(sql);
  this.refreshTable();
  JOptionPane.showMessageDialog(this,"删除成功", "提示",JOptionPane.PLAIN_MESSAGE);
 } else if (n == JOptionPane.NO_OPTION) {
  return;
 }
 }
 }
 else if(e.getSource()==modifyBut){
 bookTable.setModel(bookTableModel);
 int rowNum=bookTable.getSelectedRow();
 if(rowNum<0||rowNum>bookTable.getRowCount()){
 JOptionPane.showMessageDialog(this,"未选中", "提示",JOptionPane.PLAIN_MESSAGE);
 }
 else{
 @SuppressWarnings("unused")
 ModifyBook modifyWin=new ModifyBook(this,"修改信息",true,bookTableModel,rowNum);
 this.refreshTable();
 }
 }
 
 }
 public void refreshTable(){
 BookTableModel searchBook;
 try {
 searchBook = new BookTableModel("SELECT * FROM book_info");
 bookTable.setModel(searchBook);
 bookTableModel=searchBook;
 } catch (SQLException e1) {
 // TODO Auto-generated catch block
 e1.printStackTrace();
 }
 }
}

BookTableModel.java

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package librarySystem;
import java.sql.*;
import java.util.*;
 
/*
 * 图书表模型
 * */
import javax.swing.table.*;
@SuppressWarnings("serial")
public class BookTableModel extends AbstractTableModel{
 //表的元素
 private Vector<Vector<String>> rowData;
 private Vector<String> colName;
 // 数据库
 private PreparedStatement stmt;
 private ResultSet result;
 public BookTableModel(String sql) throws SQLException{
 this.initData(sql);
 }
 public BookTableModel() throws SQLException{
 this.initData("SELECT * FROM book_info");
 }
 public void initData(String sql) throws SQLException{
 setRowData(new Vector<Vector<String>>());
 setColName(new Vector<String>());
 getColName().add("书号");
 getColName().add("书名");
 getColName().add("作者");
 getColName().add("出版社");
 getColName().add("出版时间");
 getColName().add("价格");
 /*
 * 数据库的导入
 * */
 try {
 Class.forName("com.mysql.jdbc.Driver");
 } catch (ClassNotFoundException e) {
 // TODO Auto-generated catch block
 e.printStackTrace();
 }
 String url= "jdbc:mysql://localhost:3306/device";
 String user="root";
 String password="zjq1314520";
 Connection con=DriverManager.getConnection(url,user,password);
 stmt = con.prepareStatement(sql);
 result=stmt.executeQuery();
 importSQL();
 }
 void importSQL() throws SQLException{
 // TODO Auto-generated method stub
 @SuppressWarnings("unused")
 boolean signNull=true;
 while(result.next()){
 Vector<String> item=new Vector<String>();
 for(int i=1;i<7;i++){
 item.add(result.getString(i));
 }
 getRowData().add(item);
 signNull=false;
 }
 result.close();
 }
 @Override
 public int getColumnCount() {//得到列数
 // TODO Auto-generated method stub
 return this.colName.size();
 }
 
 @Override
 public int getRowCount() {//得到行数
 // TODO Auto-generated method stub
 return this.rowData.size();
 }
 
 @Override
 public Object getValueAt(int row, int col) {//得到某行某列的数据
 // TODO Auto-generated method stub
 return (this.rowData.get(row)).get(col);
 }
 
 @Override
 public String getColumnName(int column) {
 // TODO Auto-generated method stub
 return this.colName.get(column);
 }
 
 public Vector<Vector<String>> getRowData() {
 return rowData;
 }
 public void setRowData(Vector<Vector<String>> rowData) {
 this.rowData = rowData;
 }
 public Vector<String> getColName() {
 return colName;
 }
 public void setColName(Vector<String> colName) {
 this.colName = colName;
 }
 public void addBook(String sql){
 try {
 stmt.executeUpdate(sql);
 } catch (SQLException e) {
 // TODO Auto-generated catch block
 e.printStackTrace();
 }
// initData("SELECT * FROM book_info");
 }
 public void deleteBook(String sql){
 try {
 stmt.executeUpdate(sql);
 } catch (SQLException e1) {
 // TODO Auto-generated catch block
 e1.printStackTrace();
 }
 }
}

AddBookDialog.java

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package librarySystem;
 
import java.awt.*;
import java.awt.event.*;
import java.sql.SQLException;
 
import javax.swing.*;
 
@SuppressWarnings("serial")
public class AddBookDialog extends JDialog implements ActionListener{
 private JLabel bookNumLabel;
 private JLabel bookNameLabel;
 private JLabel bookWriterLabel;
 private JLabel bookPublishLabel;
 private JLabel bookPriceLabel;
 private JLabel bookTimeLabel;
 private JTextField bookNumText;
 private JTextField bookNameText;
 private JTextField bookWriterText;
 private JTextField bookPublishText;
 private JTextField bookPriceText;
 private JTextField bookTimeText;
 
 private JButton submitBut;
 private JButton cancelBut;
 public AddBookDialog(Frame owner,String title,boolean model){
 //父窗口,窗口名,是否是模式窗口
 super(owner,title,model);
 bookNumLabel=new JLabel("书 号:");
 bookNameLabel=new JLabel("书 名:");
 bookWriterLabel=new JLabel("作 者:");
 bookPublishLabel=new JLabel("出版社:");
 bookPriceLabel=new JLabel("价 格:");
 bookTimeLabel=new JLabel("出版时间:");
 
 bookNumText=new JTextField(10);
 bookNameText=new JTextField(10);
 bookWriterText=new JTextField(10);
 bookPublishText=new JTextField(10);
 bookPriceText=new JTextField(10);
 bookTimeText=new JTextField(9);
 
 submitBut=new JButton("确认");
 cancelBut=new JButton("取消");
 submitBut.addActionListener(this);
 cancelBut.addActionListener(this);
 this.setBounds(350,150,400,260);
 this.setResizable(false);
 this.setLayout(new BorderLayout());
 initLayout();
 }
 public void initLayout(){
 Container[] con1=new Container[6];
 for(int i=0;i<6;i++) con1[i]=new Container();
 con1[0].setLayout(new FlowLayout());
 con1[0].add(bookNumLabel);
 con1[0].add(bookNumText);
 
 con1[1].setLayout(new FlowLayout());
 con1[1].add(bookNameLabel);
 con1[1].add(bookNameText);
 
 con1[2].setLayout(new FlowLayout());
 con1[2].add(bookWriterLabel);
 con1[2].add(bookWriterText);
 
 con1[3].setLayout(new FlowLayout());
 con1[3].add(bookPublishLabel);
 con1[3].add(bookPublishText);
 
 con1[4].setLayout(new FlowLayout());
 con1[4].add(bookPriceLabel);
 con1[4].add(bookPriceText);
 
 con1[5].setLayout(new FlowLayout());
 con1[5].add(bookTimeLabel);
 con1[5].add(bookTimeText);
 
 Container con2=new Container();
 con2.setLayout(new BorderLayout());
 con2.add(con1[0],BorderLayout.NORTH);
 con2.add(con1[1],BorderLayout.CENTER);
 con2.add(con1[2],BorderLayout.SOUTH);
 
 Container con3=new Container();
 con3.setLayout(new BorderLayout());
 con3.add(con1[3],BorderLayout.NORTH);
 con3.add(con1[4],BorderLayout.CENTER);
 con3.add(con1[5],BorderLayout.SOUTH);
 
 Container con4=new Container();
 con4.setLayout(new FlowLayout());
 con4.add(submitBut);
 con4.add(cancelBut);
 Container con5=new Container();
 con5.setLayout(new BorderLayout());
 con5.add(con2,BorderLayout.NORTH);
 con5.add(con3,BorderLayout.CENTER);
 con5.add(con4,BorderLayout.SOUTH);
 
 this.add(con5,BorderLayout.CENTER);
 this.validate();
 this.setVisible(true);
 }
 @Override
 public void actionPerformed(ActionEvent e) {
 // TODO Auto-generated method stub
 if(e.getSource()==submitBut){
 if(bookNumText.getText().equals("")||bookNameText.getText().equals("")||
  bookWriterText.getText().equals("")||bookPublishText.getText().equals("")||
  bookPriceText.getText().equals("")||bookTimeText.getText().equals("")){
 //System.out.println("输入失败");
 JOptionPane.showMessageDialog(this,"输入不能有空", "提示",JOptionPane.PLAIN_MESSAGE);
 }
 else{
 //System.out.println("输入成功");
 String sql="insert into "
  + "book_info(book_num,book_name,book_writer,publish_house,book_price,publish_time)"
  + "values('"+bookNumText.getText()+"','"+bookNameText.getText()+"','"+bookWriterText.getText()+"','"+bookPublishText.getText()+"','"+bookPriceText.getText()+"','"+bookTimeText.getText()+"')";
 try {
  BookTableModel book=new BookTableModel();
  book.addBook(sql);
 } catch (SQLException e1) {
  // TODO Auto-generated catch block
  e1.printStackTrace();
 }
 JOptionPane.showMessageDialog(this,"添加成功", "提示",JOptionPane.PLAIN_MESSAGE);
 this.setVisible(false);
 }
 }
 if(e.getSource()==cancelBut){
 this.setVisible(false);
 }
 }
}

ModifyBook.java

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package librarySystem;
 
import java.awt.*;
import java.awt.event.*;
import java.sql.SQLException;
import javax.swing.*;
 
@SuppressWarnings("serial")
public class ModifyBook extends JDialog implements ActionListener{
 private JLabel bookNumLabel;
 private JLabel bookNameLabel;
 private JLabel bookWriterLabel;
 private JLabel bookPublishLabel;
 private JLabel bookPriceLabel;
 private JLabel bookTimeLabel;
 private JTextField bookNumText;
 private JTextField bookNameText;
 private JTextField bookWriterText;
 private JTextField bookPublishText;
 private JTextField bookPriceText;
 private JTextField bookTimeText;
 private JButton submitBut;
 private JButton cancelBut;
 private BookTableModel bookModel;
 private int rowNum;
 public ModifyBook(Frame owner,String title,boolean type,BookTableModel model,int row){
 super(owner,title,type);
 bookModel=model;
 rowNum=row;
 bookNumLabel=new JLabel("书 号:");
 bookNameLabel=new JLabel("书 名:");
 bookWriterLabel=new JLabel("作 者:");
 bookPublishLabel=new JLabel("出版社:");
 bookPriceLabel=new JLabel("价 格:");
 bookTimeLabel=new JLabel("出版时间:");
 
 bookNumText=new JTextField(10);
 bookNameText=new JTextField(10);
 bookWriterText=new JTextField(10);
 bookPublishText=new JTextField(10);
 bookPriceText=new JTextField(10);
 bookTimeText=new JTextField(9);
 
 submitBut=new JButton("确认修改");
 cancelBut=new JButton("取消");
 submitBut.addActionListener(this);
 cancelBut.addActionListener(this);
 this.setBounds(350,150,400,260);
 this.setResizable(false);
 this.setLayout(new BorderLayout());
 this.setValue();
 this.initLayout();
 
 }
 public void initLayout(){
 Container[] con1=new Container[6];
 for(int i=0;i<6;i++) con1[i]=new Container();
 con1[0].setLayout(new FlowLayout());
 con1[0].add(bookNumLabel);
 con1[0].add(bookNumText);
 
 con1[1].setLayout(new FlowLayout());
 con1[1].add(bookNameLabel);
 con1[1].add(bookNameText);
 
 con1[2].setLayout(new FlowLayout());
 con1[2].add(bookWriterLabel);
 con1[2].add(bookWriterText);
 
 con1[3].setLayout(new FlowLayout());
 con1[3].add(bookPublishLabel);
 con1[3].add(bookPublishText);
 
 con1[4].setLayout(new FlowLayout());
 con1[4].add(bookPriceLabel);
 con1[4].add(bookPriceText);
 
 con1[5].setLayout(new FlowLayout());
 con1[5].add(bookTimeLabel);
 con1[5].add(bookTimeText);
 
 Container con2=new Container();
 con2.setLayout(new BorderLayout());
 con2.add(con1[0],BorderLayout.NORTH);
 con2.add(con1[1],BorderLayout.CENTER);
 con2.add(con1[2],BorderLayout.SOUTH);
 
 Container con3=new Container();
 con3.setLayout(new BorderLayout());
 con3.add(con1[3],BorderLayout.NORTH);
 con3.add(con1[4],BorderLayout.CENTER);
 con3.add(con1[5],BorderLayout.SOUTH);
 
 Container con4=new Container();
 con4.setLayout(new FlowLayout());
 con4.add(submitBut);
 con4.add(cancelBut);
 Container con5=new Container();
 con5.setLayout(new BorderLayout());
 con5.add(con2,BorderLayout.NORTH);
 con5.add(con3,BorderLayout.CENTER);
 con5.add(con4,BorderLayout.SOUTH);
 this.add(con5,BorderLayout.CENTER);
 this.validate();
 this.setVisible(true);
 }
 public void setValue(){
 this.bookNumText.setText((String) bookModel.getValueAt(rowNum, 0));
 this.bookNumText.setEditable(false);
 
 this.bookNameText.setText((String) bookModel.getValueAt(rowNum, 1));
 this.bookWriterText.setText((String) bookModel.getValueAt(rowNum, 2));
 this.bookPublishText.setText((String) bookModel.getValueAt(rowNum, 3));
 this.bookTimeText.setText((String) bookModel.getValueAt(rowNum, 4));
 this.bookPriceText.setText((String) bookModel.getValueAt(rowNum, 5));
 this.validate();
 }
 @Override
 public void actionPerformed(ActionEvent e) {
 // System.out.println(bookPriceText.getText());
 // TODO Auto-generated method stub
 if(e.getSource()==submitBut){
 if(bookNumText.getText().equals("")||bookNameText.getText().equals("")||
  bookWriterText.getText().equals("")||bookPublishText.getText().equals("")||
  bookPriceText.getText().equals("")||bookTimeText.getText().equals("")){
 //System.out.println("输入失败");
 JOptionPane.showMessageDialog(this,"修改不能有空", "提示",JOptionPane.PLAIN_MESSAGE);
 }
 else{
 int n = JOptionPane.showConfirmDialog(null, "确认修改吗?", "确认修改框", JOptionPane.YES_NO_OPTION);
 if (n == JOptionPane.YES_OPTION) {
  String sql="UPDATE book_info SET book_name ='"+bookNameText.getText()+"', book_writer= '"+bookWriterText.getText()+"',publish_house='"+bookPublishText.getText()+"',book_price='"+bookPriceText.getText()+"',publish_time='"+bookTimeText.getText()+"' WHERE book_num = '"+bookNumText.getText()+"' ";
  try {
  BookTableModel book=new BookTableModel();
  book.addBook(sql);
  } catch (SQLException e1) {
  // TODO Auto-generated catch block
  e1.printStackTrace();
  }
  JOptionPane.showMessageDialog(this,"修改成功", "提示",JOptionPane.PLAIN_MESSAGE);
  this.setVisible(false);
 } else if (n == JOptionPane.NO_OPTION) {
  return;
 }
 }
 }
 if(e.getSource()==cancelBut){
 this.setVisible(false);
 }
 }
}

程序运行结果:主界面:

图书管理系统java版

查询界面:

图书管理系统java版

添加图书界面:

图书管理系统java版

图书管理系统java版

修改界面:

图书管理系统java版

图书管理系统java版

删除操作:

图书管理系统java版

图书管理系统java版

数据库界面:

图书管理系统java版

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。