简单的java图书馆管理系统.doc

课程设计题目图书馆管理系统一、 设计环境DBMS：mysql开发工具：eclipse应用程序开发环境：win8.1系统运行环境:win8.1二、 概要设计（1）功能：1.创建图书馆界面（凭账号密码登陆）2.对数据库进行图书的查找、修改、添加、删除3.实时显示图书馆数据的改变(2)ER图(3)流程图（4） 表（5） 数据（6） 连接数据库代码Connection conn=null;Class.forName(com.mysql.jdbc.Driver);conn=DriverManager.getConnection(jdbc:mysql:/localhost:3306/test,root,panda1993);4、 详细设计（1） 主界面Login.javaimport java.awt.BorderLayout;import java.awt.Color;import java.awt.Container;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;import java.sql.SQLException;import java.sql.Statement;import javax.swing.ImageIcon;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JOptionPane;import javax.swing.JPanel;import javax.swing.JPasswordField;import javax.swing.JTextField;public class Login extends JFrame private static final long serialVersionUID = 1L;/保持兼容private JLabel jlUsername;private JLabel jlPwd;private JTextField txtUsername; /用户名private JTextField txtPassword; /密码private JButton jbOk;private JButton jbCancel;public JLabel getJlUsername() if(jlUsername=null)jlUsername=new JLabel(账号);jlUsername.setForeground(Color.black);jlUsername.setBounds(118, 40, 85, 30);return jlUsername;public JLabel getJlPwd() if(jlPwd=null)jlPwd=new JLabel(密码);jlPwd.setForeground(Color.LIGHT_GRAY);jlPwd.setBounds(118, 100, 85, 30);return jlPwd;public JTextField getTxtUsername() if(txtUsername=null)txtUsername=new JTextField(20);txtUsername.setBounds(180,40 , 200, 30);return txtUsername;public JTextField getTxtPassword() if(txtPassword=null)txtPassword=new JPasswordField(20);txtPassword.setBounds(180, 100, 200, 30);return txtPassword;public JButton getJbOk() if(jbOk=null)jbOk=new JButton(登陆);jbOk.setBounds(150, 180, 90, 30);/jbOk.addActionListener(this);return jbOk;public JButton getJbCancel() if(jbCancel=null)jbCancel=new JButton(取消);jbCancel.setBounds(300, 180, 90, 30);return jbCancel;public Login(String title)super(title);/JFrame frame=new JFrame();Container cantainer =this.getContentPane();this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);ImageIcon img = new ImageIcon(C:UsersZpandaDesktopwebbookStoreimages1.jpg);JLabel imgLabel = new JLabel(img);this.getLayeredPane().add(imgLabel, new Integer(Integer.MIN_VALUE);/将背景标签添加到jfram的LayeredPane面板里。imgLabel.setBounds(0,0,img.getIconWidth(), img.getIconHeight();cantainer.setLayout(new BorderLayout();imgLabel.setLayout(null);imgLabel.add(getJlUsername();imgLabel.add(getTxtUsername();imgLabel.add(getJlPwd();imgLabel.add(getTxtPassword();imgLabel.add(getJbOk();imgLabel.add(getJbCancel();cantainer.add(imgLabel,BorderLayout.NORTH);/设置在框架北边(JPanel)cantainer).setOpaque(false); /将内容面板设为透明this.setSize(img.getIconWidth(),img.getIconHeight();myEvent();this.setVisible(true);this.setResizable(false);/让窗口和图片一样大小private void myEvent()jbCancel.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e)Login.this.dispose(););jbOk.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e)Connection conn=null;Statement stm=null;ResultSet st=null;tryClass.forName(com.mysql.jdbc.Driver);conn=DriverManager.getConnection(jdbc:mysql:/localhost:3306/test,root,panda1993);stm=conn.createStatement();String sql=select * from user;/String sql1=select psw from user;st=stm.executeQuery(sql);/ st1=stm.executeQuery(sql1);if(st.next()if(txtUsername.getText().equals(st.getString(id)&txtPassword.getText().equals(st.getString(psw)Login.this.setVisible(false);new Book(管理界面);elseJOptionPane.showMessageDialog(null, 您输入的账号或密码不正确);getTxtUsername().setText();getTxtPassword().setText();else JOptionPane.showMessageDialog(null,用户名不存在,请重新输入,错误!); getTxtUsername().setText();getTxtPassword().setText();catch(ClassNotFoundException e1)e1.printStackTrace(); catch (SQLException e2) / TODO Auto-generated catch blocke2.printStackTrace();finallytrystm.close();catch (Exception e3) / 关闭Connection try conn.close(); catch (Exception e4) );public static void main(String args)new Login(图书管理登陆界面);（2） 管理界面Book.javaimport java.awt.BorderLayout;import java.awt.Color;import java.awt.Component;import java.awt.Container;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;import java.sql.SQLException;import java.sql.Statement;import javax.swing.AbstractButton;import javax.swing.ImageIcon;import javax.swing.JButton;import javax.swing.JComponent;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JOptionPane;import javax.swing.JPanel;import javax.swing.JScrollPane;import javax.swing.JTable;import javax.swing.JTextField;import javax.swing.table.TableCellRenderer;public class Book extends JFrame private static final long serialVersionUID = 1L;private JLabel lblId;private JLabel lblBname;private JLabel lblWname;private JLabel lblCbs;private JLabel lblnum1;private JLabel lblnum2;private JTextField bId; /图书编号private JTextField bname; /书名private JTextField wname; /作者名private JTextField cbs; /出版社private JTextField num1; /现存量private JTextField num2; /库存量private JButton jbDel;private JTextField jDel;private JButton jbAdd;private JButton jbSearch;private JButton jbUpdate;private JTable table;/数据库表private JLabel jabel;/输入要查找的书号private JScrollPane scpDemo;private Object btnShow;SuppressWarnings(unused)private Object jth;public JLabel getJabel() if(jabel=null)jabel=new JLabel(查删编号);jabel.setForeground(Color.red);jabel.setBounds(450, 350, 60, 30);return jabel;public JButton getJbDel() if(jbDel=null)jbDel=new JButton(删除);jbDel.setBounds(580, 400, 60, 30);return jbDel;public JTextField getjDel() if(jDel=null)jDel=new JTextField(20);jDel.setBounds(500, 350, 150, 30);return jDel;public JButton getJbAdd() if(jbAdd=null)jbAdd=new JButton(添加);jbAdd.setBounds(500,400,60,30);return jbAdd;public JButton getJbSearch() if(jbSearch=null)jbSearch=new JButton(查找);jbSearch.setBounds(500, 450, 60, 30);return jbSearch;public JButton getJbUpdate() if(jbUpdate=null)jbUpdate=new JButton(修改);jbUpdate.setBounds(580, 450, 60, 30);return jbUpdate;SuppressWarnings(serial)public JTable getTable() JTable table = new JTable(20,3) /设置JTable的单元格为透明的 public Component prepareRenderer(TableCellRenderer renderer,int row,int column) Component c=super.prepareRenderer(renderer,row,column); if(c instanceof JComponent) (JComponent)c).setOpaque(false); return c; ;table.setOpaque(false);/设置jtable本身为透明的 this.setSize(450, 400); this.setLayout(null); this.setLocation(270, 50); this.scpDemo = new JScrollPane(); this.scpDemo.setBounds(10, 100, 420, 270); this.scpDemo.setOpaque(false);/透明 this.scpDemo.getViewport().setOpaque(false);/透明 this.btnShow = new JButton(显示数据(刷新); (Component) this.btnShow).setBounds(10, 50, 420, 30); (AbstractButton) this.btnShow).addActionListener(new ActionListener() public void actionPerformed(ActionEvent ae) btnShow_ActionPerformed(ae); ); add(this.scpDemo); add(Component) this.btnShow); this.setVisible(true); return table;public void btnShow_ActionPerformed(ActionEvent ae) Connection conn=null;try Class.forName(com.mysql.jdbc.Driver);conn=DriverManager.getConnection(jdbc:mysql:/localhost:3306/test,root,panda1993); Statement pstm = conn.createStatement(); String sql1 = select count(*) from Book; String sql2 = select * from Book; ResultSet rs1 = pstm.executeQuery(sql1); int count = 0; /得到总记录数 if (rs1.next() count=rs1.getInt(1); /关闭第一个结果集 rs1.close(); Object info = new Objectcount6; count = 0; /查询 ResultSet rs2 = pstm.executeQuery(sql2); while (rs2.next() infocount0 = rs2.getString(Bid); infocount1 = rs2.getString(Bname); infocount2 = rs2.getString(Wname); infocount3 = rs2.getString(num1); infocount4 = rs2.getString(num2); infocount5 = rs2.getString(chubs); count+; for(Object o:info) System.out.println(o0); System.out.println(o1); System.out.println(o2); System.out.println(o3); System.out.println(o4); String title = 编号, 书名, 作者, 现存量, 库存量,出版社; / 创建JTable this.table = new JTable(info, title); / 显示表头 this.jth = this.table.getTableHeader(); / 将JTable加入到带滚动条的面板中 this.scpDemo.getViewport().add(table); catch (Exception sqle) JOptionPane.showMessageDialog(null, 错误:+sqle.getMessage(), 错误, JOptionPane.ERROR_MESSAGE); public JLabel getLblId() if(lblId=null)lblId=new JLabel(编号);lblId.setForeground(Color.red);lblId.setBounds(450, 50, 50, 30);return lblId;public JLabel getLblBname() if(lblBname=null)lblBname=new JLabel(书名);lblBname.setForeground(Color.red);lblBname.setBounds(450, 100, 50, 30);return lblBname;public JLabel getLblWname() if(lblWname=null)lblWname=new JLabel(作者);lblWname.setForeground(Color.red);lblWname.setBounds(450,150, 50, 30);return lblWname;public JLabel getLblnum1() if(lblnum1=null)lblnum1=new JLabel(现存量);lblnum1.setForeground(Color.red);lblnum1.setBounds(450,200, 50, 30);return lblnum1;public JLabel getLblnum2() if(lblnum2=null)lblnum2=new JLabel(库存量);lblnum2.setForeground(Color.red);lblnum2.setBounds(450,250, 50, 30);return lblnum2;public JTextField getbId() if(bId=null)bId=new JTextField(20);bId.setBounds(500, 50,150, 30);return bId;public JTextField getBname() if(bname=null)bname=new JTextField(20);bname.setBounds(500, 100, 150, 30);return bname;public JTextField getWname() if(wname=null)wname=new JTextField(20);wname.setBounds(500, 150, 150, 30);return wname;public JTextField getNum1() if(num1=null)num1=new JTextField(20);num1.setBounds(500, 200, 150, 30);return num1;public JTextField getNum2() if(num2=null)num2=new JTextField(20);num2.setBounds(500, 250, 150, 30);return num2;public JLabel getLblCbs() if(lblCbs=null)lblCbs=new JLabel(出版社);lblCbs.setForeground(Color.red);lblCbs.setBounds(450,300, 50, 30);return lblCbs;public JTextField getCbs() if(cbs=null)cbs=new JTextField(20);cbs.setBounds(500, 300, 150, 30);return cbs;public Book(String title)super(title);/JFrame frame=new JFrame();Container cantainer=this.getContentPane();this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);ImageIcon img = new ImageIcon(C:UsersZpandaDesktopwebbookStoreimages3.jpg);/这是背景图片JLabel imgLabel = new JLabel(img);/将背景图放在标签里。this.getLayeredPane().add(imgLabel, new Integer(Integer.MIN_VALUE);/将背景标签添加到jfram的LayeredPane面板里。imgLabel.setBounds(0,0,img.getIconWidth(), img.getIconHeight();/设置背景标签的位置cantainer.setLayout(new BorderLayout();imgLabel.setLayout(null);imgLabel.add(getLblId();imgLabel.add(getbId();imgLabel.add(getLblBname();imgLabel.add(getBname();imgLabel.add(getLblWname();imgLabel.add(getWname();imgLabel.add(getLblnum1();imgLabel.add(getNum1();imgLabel.add(getLblnum2();imgLabel.add(getNum2();imgLabel.add(getLblCbs();imgLabel.add(getCbs();imgLabel.add(getTable();imgLabel.add(getJbDel();imgLabel.add(getjDel();imgLabel.add(getJbAdd();imgLabel.add(getJbSearch();imgLabel.add(getJbUpdate();imgLabel.add(getJabel();cantainer.add(imgLabel,BorderLayout.NORTH);(JPanel)cantainer).setOpaque(false); /将内容面板设为透明this.setSize(img.getIconWidth(),img.getIconHeight();myEvent();this.setVisible(true);this.setResizable(false);private void myEvent() / TODO Auto-generated method stubjbAdd.addActionListener(new ActionListener()public void actionPerformed(ActionEvent ee)Connection conn=null;Statement stm=null;String id1=bId.getText();String name1=bname.getText();String name2=wname.getText();String n1=num1.getText();String n2=num2.getText();String chubs=cbs.getText();tryClass.forName(com.mysql.jdbc.Driver);conn=DriverManager.getConnection(jdbc:mysql:/localhost:3306/test,root,panda1993);stm=conn.createStatement();String sql=insert into Book values(+id1+,+name1+,+name2+,+n1+,+n2+,+chubs+);stm.executeUpdate(sql);/connection数据库链接对象 创建一个statement对象数据库操作对象getbId().setText();getBname().setText();getWname().setText();getNum1().setText();getNum2().setText();getCbs().setText();catch(ClassNotFoundException e) catch (SQLException e) / TODO Auto-generated catch blocke.printStackTrace();finally / 关闭Statement try stm.close(); catch (Exception e) / 关闭Connection try conn.close(); catch (Exception e) );jbDel.addActionListener(new ActionListener()public void actionPerformed(ActionEvent ee)String id=jDel.getText();Connection conn=null;Statement stm=null;tryClass.forName(com.mysql.jdbc.Driver);conn=DriverManager.getConnection(jdbc:mysql:/localhost:3306/test,root,panda1993);/String sql=select * from book;String sql=delete from Book where Bid=+id+;stm=conn.createStatement();stm.executeUpdate(sql);getjDel().setText();catch(ClassNotFoundException e) catch (SQLException e) / TODO Auto-generated catch blocke.printStackTrace();finally / 关闭Statement try stm.close(); catch (Exception e) / 关闭Connection try conn.close(); catch (Exception e) );jbSearch.addActionListener(new ActionListener()public void actionPerformed(ActionEvent ee)String id=jDel.getText();Connection conn=null;Statement stm=null;ResultSet rst=null;tryClass.forName(com.mysql.jdbc.Driver);conn=DriverManager.getConnection(jdbc:mysql:/localhost:3306/test,root,panda1993);/String sql=select * from book;String sql=select * from Book where Bid=+id+;stm=conn.createStatement();rst=stm.executeQuery(