图书管理系统java代码实现

2024-07-13 10:16:32

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本文实例为大家分享了java实现图书管理系统的具体代码，供大家参考，具体内容如下

/* (程序头部注释开始)
* 程序的版权和版本声明部分
* Copyright (c) 2011, 烟台大学计算机学院学生
* All rights reserved.
* 文件名称：    《图书管理系统——java》
* 作    者：       刘江波
* 完成日期：    2012     年 3     月     1   日
* 版本号：    v3.0

* 对任务及求解方法的描述部分
* 问题描述：
* 程序头部的注释结束
*/

文件包的建立情况：

java图书管理系统,java图书管理,java管理系统

BookDao.java

/*  * To change this template, choose Tools | Templates  * and open the template in the editor.  */  package com.liu.dao;  import com.liu.po.BookBean; import java.io.*; import java.util.HashMap; import java.util.Map; import java.util.logging.Level; import java.util.logging.Logger;  /**  *  * @author asus  */ public class BookDAO {  // 写  public void writeBook(Map<Integer,BookBean >bookMap){  //  FileOutputStream fos = null;  ObjectOutputStream oos = null;  try {   fos = new FileOutputStream("F://缓存区//book.txt");   oos = new ObjectOutputStream(fos);   oos.writeObject(bookMap);   //清空缓存区   oos.flush();  }  catch (FileNotFoundException ex) {   Logger.getLogger(TypeDAO.class.getName()).log(Level.SEVERE, null, ex);  }  //异常级别高的在后边  catch (IOException ex) {   Logger.getLogger(TypeDAO.class.getName()).log(Level.SEVERE, null, ex);  }  finally{   try{   //先开后闭    oos.close();    fos.close();   }catch(IOException ex){   Logger.getLogger(TypeDAO.class.getName()).log(Level.SEVERE,null,ex);   }  }  }   //读  public Map<Integer,BookBean>readBook(){  FileInputStream fis = null;  ObjectInputStream ois = null;  Map<Integer, BookBean> map = null;  try {   fis = new FileInputStream("F://缓存区//book.txt");   ois = new ObjectInputStream(fis);   map = (Map<Integer, BookBean>) ois.readObject();//出现异常进入catch  } catch (ClassNotFoundException ex) {   Logger.getLogger(TypeDAO.class.getName()).log(Level.SEVERE, null, ex);  } catch (FileNotFoundException ex) {   Logger.getLogger(TypeDAO.class.getName()).log(Level.SEVERE, null, ex);  } catch (IOException ex) {   //Logger.getLogger(TypeDAO.class.getName()).log(Level.SEVERE, null, ex);   //ex.printStackTrace();   map=new HashMap<Integer,BookBean>();//出现异常时，进行创建map  } finally{   try {   if(ois!=null){    ois.close();   }   if(fis!=null){    fis.close();   }    } catch (IOException ex) {   Logger.getLogger(TypeDAO.class.getName()).log(Level.SEVERE, null, ex);   }  }  return map;  } }

TypeDao.java

/*  * To change this template, choose Tools | Templates  * and open the template in the editor.  */  package com.liu.dao;  import com.liu.po.TypeBean; import java.io.*; import java.util.*; import java.util.logging.*; /**  *  * 对文件进行读和写操作  */ public class TypeDAO {   // 写  public void writeType(Map<Integer,TypeBean >typeMap){  //  FileOutputStream fos = null;  ObjectOutputStream oos = null;  try {   fos = new FileOutputStream("F://缓存区//type.txt");   oos = new ObjectOutputStream(fos);   oos.writeObject(typeMap);   //清空缓存区   oos.flush();  }  catch (FileNotFoundException ex) {   Logger.getLogger(TypeDAO.class.getName()).log(Level.SEVERE, null, ex);  }  //异常级别高的在后边  catch (IOException ex) {   Logger.getLogger(TypeDAO.class.getName()).log(Level.SEVERE, null, ex);  }  finally{   try{   //先开后闭    oos.close();    fos.close();   }catch(IOException ex){   Logger.getLogger(TypeDAO.class.getName()).log(Level.SEVERE,null,ex);   }  }  }   //读  public Map<Integer,TypeBean>readType(){  FileInputStream fis = null;  ObjectInputStream ois = null;  Map<Integer, TypeBean> map = null;  try {   fis = new FileInputStream("F://缓存区//type.txt");   ois = new ObjectInputStream(fis);   map = (Map<Integer, TypeBean>) ois.readObject();//出现异常进入catch  } catch (ClassNotFoundException ex) {   Logger.getLogger(TypeDAO.class.getName()).log(Level.SEVERE, null, ex);  } catch (FileNotFoundException ex) {   Logger.getLogger(TypeDAO.class.getName()).log(Level.SEVERE, null, ex);  } catch (IOException ex) {   //Logger.getLogger(TypeDAO.class.getName()).log(Level.SEVERE, null, ex);   //ex.printStackTrace();   map=new HashMap<Integer,TypeBean>();//出现异常时，进行创建map  } finally{   try {   if(ois!=null){    ois.close();   }   if(fis!=null){    fis.close();   }      } catch (IOException ex) {   Logger.getLogger(TypeDAO.class.getName()).log(Level.SEVERE, null, ex);   }  }  return map;  } }

BookBean.java

/*  * To change this template, choose Tools | Templates  * and open the template in the editor.  */  package com.liu.po;  import java.io.Serializable;  /**  *  * @author asus  */ public class BookBean implements Serializable{   private int id;  private String bookName;  private String bookType;  private String memo;  private String money;   /**  * @return the id  */  public int getId() {  return id;  }   /**  * @param id the id to set  */  public void setId(int id) {  this.id = id;  }   /**  * @return the bookName  */  public String getBookName() {  return bookName;  }   /**  * @param bookName the bookName to set  */  public void setBookName(String bookName) {  this.bookName = bookName;  }   /**  * @return the bookType  */  public String getBookType() {  return bookType;  }   /**  * @param bookType the bookType to set  */  public void setBookType(String bookType) {  this.bookType = bookType;  }   /**  * @return the memo  */  public String getMemo() {  return memo;  }   /**  * @param memo the memo to set  */  public void setMemo(String memo) {  this.memo = memo;  }   /**  * @return the money  */  public String getMoney() {  return money;  }   /**  * @param money the money to set  */  public void setMoney(String money) {  this.money = money;  } }

TypeBean.java

/*  * To change this template, choose Tools | Templates  * and open the template in the editor.  */  package com.liu.po;  /**  *  * @author asus  */ import java.io.Serializable;  public class TypeBean implements Serializable{   private int id;  private String typeName;  private String memo;   /**  * @return the id  */  public int getId() {  return id;  }   /**  * @param id the id to set  */  public void setId(int id) {  this.id = id;  }   /**  * @return the typeName  */  public String getTypeName() {  return typeName;  }   /**  * @param typeName the typeName to set  */  public void setTypeName(String typeName) {  this.typeName = typeName;  }   /**  * @return the memo  */  public String getMemo() {  return memo;  }   /**  * @param memo the memo to set  */  public void setMemo(String memo) {  this.memo = memo;  }   }

LoginForm.java

/*  * To change this template, choose Tools | Templates  * and open the template in the editor.  */  /*  * LoginForm.java  *  * Created on 2013-2-26, 18:33:36  */  package com.liu.view;  import java.awt.event.KeyAdapter; import java.awt.event.KeyEvent; import javax.swing.JOptionPane;  /**  *  * @author asus  */ public class LoginForm extends javax.swing.JFrame {   /** Creates new form LoginForm */  public LoginForm() {  initComponents();  }   /** This method is called from within the constructor to  * initialize the form.  * WARNING: Do NOT modify this code. The content of this method is  * always regenerated by the Form Editor.  */  @SuppressWarnings("unchecked")  // <editor-fold defaultstate="collapsed" desc="Generated Code">     private void initComponents() {   jLabel1 = new javax.swing.JLabel();  jLabel2 = new javax.swing.JLabel();  jLabel3 = new javax.swing.JLabel();  LoginName = new javax.swing.JTextField();  LoginPwd = new javax.swing.JPasswordField();  jButton1 = new javax.swing.JButton();   setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);  setTitle("登陆界面");  setBounds(new java.awt.Rectangle(300, 200, 0, 0));  setIconImage(new javax.swing.ImageIcon(getClass().getResource("/com/liu/resouce/logo.jpg")).getImage());  addKeyListener(new java.awt.event.KeyAdapter() {   public void keyPressed(java.awt.event.KeyEvent evt) {   formKeyPressed(evt);   }  });   jLabel1.setFont(new java.awt.Font("宋体", 0, 36));  jLabel1.setForeground(new java.awt.Color(204, 0, 0));  jLabel1.setText("图书管理系统");   jLabel2.setFont(new java.awt.Font("宋体", 0, 24));  jLabel2.setText("用户名：");   jLabel3.setFont(new java.awt.Font("宋体", 0, 24));  jLabel3.setText("密码：");   LoginName.setName(""); // NOI18N  LoginName.addActionListener(new java.awt.event.ActionListener() {   public void actionPerformed(java.awt.event.ActionEvent evt) {   LoginNameActionPerformed(evt);   }  });  LoginName.addKeyListener(new java.awt.event.KeyAdapter() {   public void keyPressed(java.awt.event.KeyEvent evt) {   LoginNameKeyPressed(evt);   }  });   LoginPwd.addKeyListener(new java.awt.event.KeyAdapter() {   public void keyPressed(java.awt.event.KeyEvent evt) {   LoginPwdKeyPressed(evt);   }  });   jButton1.setFont(new java.awt.Font("宋体", 0, 24)); // NOI18N  jButton1.setText("登录");  jButton1.addActionListener(new java.awt.event.ActionListener() {   public void actionPerformed(java.awt.event.ActionEvent evt) {   jButton1ActionPerformed(evt);   }  });   javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());  getContentPane().setLayout(layout);  layout.setHorizontalGroup(   layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)   .addGroup(layout.createSequentialGroup()   .addGap(97, 97, 97)   .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)    .addComponent(jLabel2)    .addComponent(jLabel3))   .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)   .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)    .addComponent(LoginPwd)    .addComponent(LoginName, javax.swing.GroupLayout.DEFAULT_SIZE, 215, Short.MAX_VALUE))   .addContainerGap(88, Short.MAX_VALUE))   .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()   .addContainerGap(130, Short.MAX_VALUE)   .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 263, javax.swing.GroupLayout.PREFERRED_SIZE)   .addGap(113, 113, 113))   .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()   .addContainerGap(299, Short.MAX_VALUE)   .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 97, javax.swing.GroupLayout.PREFERRED_SIZE)   .addGap(110, 110, 110))  );  layout.setVerticalGroup(   layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)   .addGroup(layout.createSequentialGroup()   .addGap(50, 50, 50)   .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 45, javax.swing.GroupLayout.PREFERRED_SIZE)   .addGap(38, 38, 38)   .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)    .addComponent(jLabel2)    .addComponent(LoginName, javax.swing.GroupLayout.PREFERRED_SIZE, 29, javax.swing.GroupLayout.PREFERRED_SIZE))   .addGap(26, 26, 26)   .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)    .addComponent(jLabel3)    .addComponent(LoginPwd, javax.swing.GroupLayout.PREFERRED_SIZE, 29, javax.swing.GroupLayout.PREFERRED_SIZE))   .addGap(18, 18, 18)   .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 36, javax.swing.GroupLayout.PREFERRED_SIZE)   .addContainerGap(21, Short.MAX_VALUE))  );   pack();  }// </editor-fold>      private void LoginNameActionPerformed(java.awt.event.ActionEvent evt) {       // TODO add your handling code here: }        private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {         //1.先获取用户名和密码  String name = LoginName.getText();  String password = new String(LoginPwd.getPassword());  //2.进行验证  if("admin".equals(name)&&"admin".equals(password))  {   //登陆成功   //隐藏LoginForm，显示MainForm   this.setVisible(false);   new MainForm().setVisible(true);  }  else  {   //登录失败   JOptionPane.showMessageDialog(this, "用户名或密码错误！");  }   }        private void formKeyPressed(java.awt.event.KeyEvent evt) {      //敲击键盘登陆    }       private void LoginNameKeyPressed(java.awt.event.KeyEvent evt) {      //敲击键盘登陆  if(evt.getKeyText(evt.getKeyCode()).compareToIgnoreCase("Enter")==0)  {   jButton1.doClick();  }  }       private void LoginPwdKeyPressed(java.awt.event.KeyEvent evt) {      //敲击键盘登陆  if(evt.getKeyText(evt.getKeyCode()).compareToIgnoreCase("Enter")==0)  {   jButton1.doClick();  }  }       /**  * @param args the command line arguments  */  public static void main(String args[]) {  java.awt.EventQueue.invokeLater(new Runnable() {   public void run() {   new LoginForm().setVisible(true);   }  });  }   // Variables declaration - do not modify    private javax.swing.JTextField LoginName;  private javax.swing.JPasswordField LoginPwd;  private javax.swing.JButton jButton1;  private javax.swing.JLabel jLabel1;  private javax.swing.JLabel jLabel2;  private javax.swing.JLabel jLabel3;  // End of variables declaration    }

java图书管理系统,java图书管理,java管理系统

MainForm.java

/*  * To change this template, choose Tools | Templates  * and open the template in the editor.  */  /*  * MainForm.java  *  * Created on 2013-2-26, 18:35:25  */  package com.liu.view;  /**  *  * @author asus  */ public class MainForm extends javax.swing.JFrame {   /** Creates new form MainForm */  public MainForm() {  initComponents();    }   /** This method is called from within the constructor to  * initialize the form.  * WARNING: Do NOT modify this code. The content of this method is  * always regenerated by the Form Editor.  */  @SuppressWarnings("unchecked")  // <editor-fold defaultstate="collapsed" desc="Generated Code">     private void initComponents() {   jLabel1 = new javax.swing.JLabel();  jPanel1 = new javax.swing.JPanel();  jLabel2 = new javax.swing.JLabel();  jMenuBar1 = new javax.swing.JMenuBar();  配置管理 = new javax.swing.JMenu();  jMenuItem1 = new javax.swing.JMenuItem();  jMenuItem2 = new javax.swing.JMenuItem();  jMenu2 = new javax.swing.JMenu();  jMenuItem4 = new javax.swing.JMenuItem();  jMenu1 = new javax.swing.JMenu();  jMenuItem3 = new javax.swing.JMenuItem();   setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);  setTitle("图书管理系统");  setBounds(new java.awt.Rectangle(80, 60, 0, 0));  setIconImage(new javax.swing.ImageIcon(getClass().getResource("/com/liu/resouce/logo.jpg")).getImage());   jLabel1.setFont(new java.awt.Font("宋体", 0, 48));  jLabel1.setForeground(new java.awt.Color(0, 204, 51));  jLabel1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/com/liu/resouce/main.jpg"))); // NOI18N   jLabel2.setFont(new java.awt.Font("宋体", 0, 48));  jLabel2.setForeground(new java.awt.Color(0, 0, 255));  jLabel2.setText("欢迎使用图书借阅管理系统");   javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);  jPanel1.setLayout(jPanel1Layout);  jPanel1Layout.setHorizontalGroup(   jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)   .addGroup(jPanel1Layout.createSequentialGroup()   .addGap(38, 38, 38)   .addComponent(jLabel2)   .addContainerGap(63, Short.MAX_VALUE))  );  jPanel1Layout.setVerticalGroup(   jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)   .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()   .addContainerGap()   .addComponent(jLabel2, javax.swing.GroupLayout.DEFAULT_SIZE, 78, Short.MAX_VALUE))  );   配置管理.setText("配置管理");   jMenuItem1.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_L, java.awt.event.InputEvent.CTRL_MASK));  jMenuItem1.setText("类别管理");  jMenuItem1.addActionListener(new java.awt.event.ActionListener() {   public void actionPerformed(java.awt.event.ActionEvent evt) {   jMenuItem1ActionPerformed(evt);   }  });  配置管理.add(jMenuItem1);   jMenuItem2.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_T, java.awt.event.InputEvent.CTRL_MASK));  jMenuItem2.setText("图书管理");  jMenuItem2.addActionListener(new java.awt.event.ActionListener() {   public void actionPerformed(java.awt.event.ActionEvent evt) {   jMenuItem2ActionPerformed(evt);   }  });  配置管理.add(jMenuItem2);   jMenuBar1.add(配置管理);   jMenu2.setText("借书");   jMenuItem4.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_J, java.awt.event.InputEvent.CTRL_MASK));  jMenuItem4.setText("租书");  jMenu2.add(jMenuItem4);   jMenuBar1.add(jMenu2);   jMenu1.setText("还书");   jMenuItem3.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_H, java.awt.event.InputEvent.CTRL_MASK));  jMenuItem3.setText("还书");  jMenu1.add(jMenuItem3);   jMenuBar1.add(jMenu1);   setJMenuBar(jMenuBar1);   javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());  getContentPane().setLayout(layout);  layout.setHorizontalGroup(   layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)   .addComponent(jLabel1, 0, 0, Short.MAX_VALUE)   .addGroup(layout.createSequentialGroup()   .addGap(22, 22, 22)   .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)   .addContainerGap())  );  layout.setVerticalGroup(   layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)   .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()   .addContainerGap()   .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)   .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)   .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 411, javax.swing.GroupLayout.PREFERRED_SIZE))  );   pack();  }// </editor-fold>      private void jMenuItem1ActionPerformed(java.awt.event.ActionEvent evt) {       // 类型管理   new TypeForm().setVisible(true);  }        private void jMenuItem2ActionPerformed(java.awt.event.ActionEvent evt) {       // 图书管理  new BookForm().setVisible(true);  }        /**  * @param args the command line arguments  */  public static void main(String args[]) {  java.awt.EventQueue.invokeLater(new Runnable() {   public void run() {   new MainForm().setVisible(true);   }  });  }   // Variables declaration - do not modify    private javax.swing.JLabel jLabel1;  private javax.swing.JLabel jLabel2;  private javax.swing.JMenu jMenu1;  private javax.swing.JMenu jMenu2;  private javax.swing.JMenuBar jMenuBar1;  private javax.swing.JMenuItem jMenuItem1;  private javax.swing.JMenuItem jMenuItem2;  private javax.swing.JMenuItem jMenuItem3;  private javax.swing.JMenuItem jMenuItem4;  private javax.swing.JPanel jPanel1;  private javax.swing.JMenu 配置管理;  // End of variables declaration    }

java图书管理系统,java图书管理,java管理系统

BookForm.java

/*  * To change this template, choose Tools | Templates  * and open the template in the editor.  */  /*  * BookForm.java  *  * Created on 2013-2-28, 8:23:01  */  package com.liu.view;  import com.liu.dao.BookDAO; import com.liu.dao.TypeDAO; import com.liu.po.BookBean; import com.liu.po.TypeBean; import java.util.Map; import java.util.Set; import java.util.Vector; import javax.swing.DefaultComboBoxModel; import javax.swing.JOptionPane; import javax.swing.table.DefaultTableModel;  /**  *  * @author asus  */ public class BookForm extends javax.swing.JFrame {    /** Creates new form BookForm */  private Map<Integer,BookBean> map;  private Map<Integer,TypeBean> map1;  private BookDAO bookDao;  private TypeDAO typeDao;   public BookForm() {  initComponents();  bookDao = new BookDAO();  typeDao = new TypeDAO();  map = bookDao.readBook();  map1 = typeDao.readType();  initType();  initData();  }   /** This method is called from within the constructor to  * initialize the form.  * WARNING: Do NOT modify this code. The content of this method is  * always regenerated by the Form Editor.  */  @SuppressWarnings("unchecked")  // <editor-fold defaultstate="collapsed" desc="Generated Code">     private void initComponents() {   jPanel1 = new javax.swing.JPanel();  jScrollPane1 = new javax.swing.JScrollPane();  bookTable = new javax.swing.JTable();  jPanel2 = new javax.swing.JPanel();  bmemo = new javax.swing.JTextField();  jButton1 = new javax.swing.JButton();  jButton2 = new javax.swing.JButton();  jButton3 = new javax.swing.JButton();  jButton4 = new javax.swing.JButton();  jLabel1 = new javax.swing.JLabel();  jLabel2 = new javax.swing.JLabel();  jLabel3 = new javax.swing.JLabel();  jLabel4 = new javax.swing.JLabel();  bid = new javax.swing.JTextField();  bname = new javax.swing.JTextField();  btype = new javax.swing.JComboBox();  jLabel5 = new javax.swing.JLabel();  bmoney = new javax.swing.JTextField();   setTitle("图书管理");  setBounds(new java.awt.Rectangle(100, 50, 0, 0));  setIconImage(new javax.swing.ImageIcon(getClass().getResource("/com/liu/resouce/logo.jpg")).getImage());   bookTable.setFont(new java.awt.Font("宋体", 0, 18)); // NOI18N  bookTable.setModel(new javax.swing.table.DefaultTableModel(   new Object [][] {   {null, null, null, null, null},   {null, null, null, null, null},   {null, null, null, null, null},   {null, null, null, null, null},   {null, null, null, null, null},   {null, null, null, null, null},   {null, null, null, null, null},   {null, null, null, null, null},   {null, null, null, null, null},   {null, null, null, null, null}   },   new String [] {   "序号", "图书名称", "图书类型", "租金", "备注"   }  ) {   Class[] types = new Class [] {   java.lang.Integer.class, java.lang.String.class, java.lang.String.class, java.lang.String.class, java.lang.String.class   };   boolean[] canEdit = new boolean [] {   false, false, false, false, false   };    public Class getColumnClass(int columnIndex) {   return types [columnIndex];   }    public boolean isCellEditable(int rowIndex, int columnIndex) {   return canEdit [columnIndex];   }  });  bookTable.addMouseListener(new java.awt.event.MouseAdapter() {   public void mouseClicked(java.awt.event.MouseEvent evt) {   bookTableMouseClicked(evt);   }  });  jScrollPane1.setViewportView(bookTable);   jPanel2.setBorder(javax.swing.BorderFactory.createTitledBorder(null, "详细信息", javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, javax.swing.border.TitledBorder.DEFAULT_POSITION, new java.awt.Font("宋体", 0, 18))); // NOI18N   bmemo.setFont(new java.awt.Font("宋体", 0, 18));   jButton1.setText("新增");  jButton1.addActionListener(new java.awt.event.ActionListener() {   public void actionPerformed(java.awt.event.ActionEvent evt) {   jButton1ActionPerformed(evt);   }  });   jButton2.setText("保存");  jButton2.addActionListener(new java.awt.event.ActionListener() {   public void actionPerformed(java.awt.event.ActionEvent evt) {   jButton2ActionPerformed(evt);   }  });   jButton3.setText("更新");  jButton3.addActionListener(new java.awt.event.ActionListener() {   public void actionPerformed(java.awt.event.ActionEvent evt) {   jButton3ActionPerformed(evt);   }  });   jButton4.setText("删除");  jButton4.addActionListener(new java.awt.event.ActionListener() {   public void actionPerformed(java.awt.event.ActionEvent evt) {   jButton4ActionPerformed(evt);   }  });   jLabel1.setFont(new java.awt.Font("宋体", 0, 18));  jLabel1.setText("序号：");   jLabel2.setFont(new java.awt.Font("宋体", 0, 18));  jLabel2.setText("名称：");   jLabel3.setFont(new java.awt.Font("宋体", 0, 18));  jLabel3.setText("类型：");   jLabel4.setFont(new java.awt.Font("宋体", 0, 18));  jLabel4.setText("备注：");   bid.setFont(new java.awt.Font("宋体", 0, 18));   bname.setFont(new java.awt.Font("宋体", 0, 18));   btype.setFont(new java.awt.Font("宋体", 0, 18));  btype.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "文学类", "教育类", "科技类", "文艺类" }));  btype.addActionListener(new java.awt.event.ActionListener() {   public void actionPerformed(java.awt.event.ActionEvent evt) {   btypeActionPerformed(evt);   }  });   jLabel5.setFont(new java.awt.Font("宋体", 0, 18));  jLabel5.setText("租金：");   javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);  jPanel2.setLayout(jPanel2Layout);  jPanel2Layout.setHorizontalGroup(   jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)   .addGroup(jPanel2Layout.createSequentialGroup()   .addGap(33, 33, 33)   .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)    .addGroup(jPanel2Layout.createSequentialGroup()    .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)     .addComponent(jLabel2, javax.swing.GroupLayout.DEFAULT_SIZE, 83, Short.MAX_VALUE)     .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)     .addComponent(jLabel3)     .addComponent(jLabel5)     .addComponent(jLabel4)))    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED))    .addGroup(jPanel2Layout.createSequentialGroup()    .addComponent(jLabel1)    .addGap(33, 33, 33)))   .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)    .addComponent(bmemo, javax.swing.GroupLayout.DEFAULT_SIZE, 375, Short.MAX_VALUE)    .addComponent(bid, javax.swing.GroupLayout.DEFAULT_SIZE, 375, Short.MAX_VALUE)    .addComponent(bname, javax.swing.GroupLayout.DEFAULT_SIZE, 375, Short.MAX_VALUE)    .addComponent(bmoney, javax.swing.GroupLayout.DEFAULT_SIZE, 375, Short.MAX_VALUE)    .addGroup(jPanel2Layout.createSequentialGroup()    .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 73, javax.swing.GroupLayout.PREFERRED_SIZE)    .addGap(28, 28, 28)    .addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 69, javax.swing.GroupLayout.PREFERRED_SIZE)    .addGap(30, 30, 30)    .addComponent(jButton3, javax.swing.GroupLayout.PREFERRED_SIZE, 73, javax.swing.GroupLayout.PREFERRED_SIZE)    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 28, Short.MAX_VALUE)    .addComponent(jButton4, javax.swing.GroupLayout.PREFERRED_SIZE, 74, javax.swing.GroupLayout.PREFERRED_SIZE))    .addComponent(btype, 0, 375, Short.MAX_VALUE))   .addGap(65, 65, 65))  );  jPanel2Layout.setVerticalGroup(   jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)   .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel2Layout.createSequentialGroup()   .addContainerGap()   .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)    .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)    .addComponent(bid, javax.swing.GroupLayout.PREFERRED_SIZE, 37, javax.swing.GroupLayout.PREFERRED_SIZE))   .addGap(13, 13, 13)   .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)    .addComponent(jLabel2)    .addComponent(bname, javax.swing.GroupLayout.PREFERRED_SIZE, 37, javax.swing.GroupLayout.PREFERRED_SIZE))   .addGap(18, 18, 18)   .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)    .addComponent(jLabel3)    .addComponent(btype, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE))   .addGap(26, 26, 26)   .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)    .addComponent(jLabel5)    .addComponent(bmoney, javax.swing.GroupLayout.PREFERRED_SIZE, 35, javax.swing.GroupLayout.PREFERRED_SIZE))   .addGap(32, 32, 32)   .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)    .addGroup(jPanel2Layout.createSequentialGroup()    .addComponent(bmemo, javax.swing.GroupLayout.PREFERRED_SIZE, 58, javax.swing.GroupLayout.PREFERRED_SIZE)    .addGap(64, 64, 64)    .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)     .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 32, javax.swing.GroupLayout.PREFERRED_SIZE)     .addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 32, javax.swing.GroupLayout.PREFERRED_SIZE)     .addComponent(jButton3, javax.swing.GroupLayout.PREFERRED_SIZE, 31, javax.swing.GroupLayout.PREFERRED_SIZE)     .addComponent(jButton4, javax.swing.GroupLayout.PREFERRED_SIZE, 32, javax.swing.GroupLayout.PREFERRED_SIZE)))    .addComponent(jLabel4))   .addGap(22, 22, 22))  );   javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);  jPanel1.setLayout(jPanel1Layout);  jPanel1Layout.setHorizontalGroup(   jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)   .addComponent(jScrollPane1, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 795, Short.MAX_VALUE)   .addGroup(jPanel1Layout.createSequentialGroup()   .addGap(50, 50, 50)   .addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)   .addContainerGap(173, Short.MAX_VALUE))  );  jPanel1Layout.setVerticalGroup(   jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)   .addGroup(jPanel1Layout.createSequentialGroup()   .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 192, javax.swing.GroupLayout.PREFERRED_SIZE)   .addGap(10, 10, 10)   .addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))  );   javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());  getContentPane().setLayout(layout);  layout.setHorizontalGroup(   layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)   .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)  );  layout.setVerticalGroup(   layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)   .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)  );   pack();  }// </editor-fold>     //表格数据的初始化  public void initData(){  //加载数据  DefaultTableModel dtm = (DefaultTableModel)bookTable.getModel();  //清空表  while(dtm.getRowCount()>0){   dtm.removeRow(0);  }  //加载数据  Set<Integer>set = map.keySet();  for(Integer i:set){   BookBean bean = map.get(i);   Vector v = new Vector();   v.add(bean.getId());   v.add(bean.getBookName());   v.add(bean.getBookType());   v.add(bean.getMoney());   v.add(bean.getMemo());   dtm.addRow(v);  }  }  //获取类别管理的所有类别  public void initType(){  Set<Integer> set = map1.keySet();  DefaultComboBoxModel dcm = (DefaultComboBoxModel)btype.getModel();  dcm.removeAllElements();  for(Integer i:set){   TypeBean bean = map1.get(i);   dcm.addElement(bean.getTypeName());  }   }  private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {       // 保存功能   //先保存文本框里的值  String id = bid.getText();  String bookName = bname.getText();  String bookType = (String) btype.getSelectedItem();  String memo = bmemo.getText();  String money = bmoney.getText();   //封装成对象  BookBean bean = new BookBean();   bean.setId(Integer.parseInt(id));  bean.setBookName(bookName);  bean.setBookType(bookType);  bean.setMemo(memo);  bean.setMoney(money);   //将bean放到map里面   // Map<Integer,TypeBean>map = new HashMap<Integer,TypeBean>();  map.put(Integer.parseInt(id), bean);  //将map放到文件里面  bookDao.writeBook(map);  //刷新table  initData();  }        private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {        // 新增时，将文本框里的信息进行清空，并将序列号置为可编辑。  bid.setEnabled(true);   bid.setText("");  bname.setText("");  btype.setSelectedItem("");  bmemo.setText("");  bmoney.setText("");   }        private void bookTableMouseClicked(java.awt.event.MouseEvent evt) {       //获取选中行号及序列号  int currentRow = bookTable.getSelectedRow();  //BookBean bean = map.get( currentRow);   // 将选中的行，显示到信息栏中  bid.setText((Integer) bookTable.getValueAt(currentRow, 0)+"");  bname.setText((String) bookTable.getValueAt(currentRow, 1));  btype.setSelectedItem((String) bookTable.getValueAt(currentRow, 2));  bmoney.setText((String) bookTable.getValueAt(currentRow, 3));  bmemo.setText((String) bookTable.getValueAt(currentRow, 4));   //bmemo.setText(bean.getMemo());   bid.setEnabled(false); //序号框不可编辑  }       private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {        // 删除操作  //获取选中行号及序列号  int currentRow = bookTable.getSelectedRow();  int id = (Integer)bookTable.getValueAt(currentRow, 0);  map.remove(id);  bookDao.writeBook(map);  JOptionPane.showMessageDialog(this,"类别删除成功");  initData();  }        private void btypeActionPerformed(java.awt.event.ActionEvent evt) {      // TODO add your handling code here: }       private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {       // 更新操作  //先保存文本框里的值  int currentRow = bookTable.getSelectedRow();  int id = (Integer) bookTable.getValueAt(currentRow, 0);   String bookName = bname.getText();  String bookType = (String) btype.getSelectedItem();  String memo = bmemo.getText();  String money = bmoney.getText();  //封装成对象  BookBean bean = new BookBean();  bean.setId(id);  bean.setBookName(bookName);  bean.setBookType(bookType);  bean.setMemo(memo);  bean.setMoney(money);   //将bean放到map里面   // Map<Integer,TypeBean>map = new HashMap<Integer,TypeBean>();  map.put(id, bean);  //将map放到文件里面  bookDao.writeBook(map);  //刷新table  JOptionPane.showMessageDialog(this,"类别更新成功");  initData();  }        /**  * @param args the command line arguments  */  public static void main(String args[]) {  java.awt.EventQueue.invokeLater(new Runnable() {   public void run() {   new BookForm().setVisible(true);   }  });  }   // Variables declaration - do not modify    private javax.swing.JTextField bid;  private javax.swing.JTextField bmemo;  private javax.swing.JTextField bmoney;  private javax.swing.JTextField bname;  private javax.swing.JTable bookTable;  private javax.swing.JComboBox btype;  private javax.swing.JButton jButton1;  private javax.swing.JButton jButton2;  private javax.swing.JButton jButton3;  private javax.swing.JButton jButton4;  private javax.swing.JLabel jLabel1;  private javax.swing.JLabel jLabel2;  private javax.swing.JLabel jLabel3;  private javax.swing.JLabel jLabel4;  private javax.swing.JLabel jLabel5;  private javax.swing.JPanel jPanel1;  private javax.swing.JPanel jPanel2;  private javax.swing.JScrollPane jScrollPane1;  // End of variables declaration    }

java图书管理系统,java图书管理,java管理系统

TypeForm.java

/*  * To change this template, choose Tools | Templates  * and open the template in the editor.  */  /*  * TypeForm.java  *  * Created on 2013-2-26, 19:07:51  */  package com.liu.view; import com.liu.dao.TypeDAO; import com.liu.po.TypeBean; import java.util.HashMap; import java.util.Map; import java.util.Set; import java.util.Vector; import javax.swing.JOptionPane; import javax.swing.table.DefaultTableModel;  /**  *  * @author asus  */ public class TypeForm extends javax.swing.JFrame {   private TypeDAO typeDao;  private Map<Integer,TypeBean> map;  /** Creates new form TypeForm */  public TypeForm() {  initComponents();  typeDao = new TypeDAO();  map = typeDao.readType();  initData();  }   /** This method is called from within the constructor to  * initialize the form.  * WARNING: Do NOT modify this code. The content of this method is  * always regenerated by the Form Editor.  */  @SuppressWarnings("unchecked")  // <editor-fold defaultstate="collapsed" desc="Generated Code">     private void initComponents() {   jPanel1 = new javax.swing.JPanel();  jScrollPane1 = new javax.swing.JScrollPane();  typeTable = new javax.swing.JTable();  jPanel2 = new javax.swing.JPanel();  jLabel1 = new javax.swing.JLabel();  jLabel2 = new javax.swing.JLabel();  jLabel3 = new javax.swing.JLabel();  tid = new javax.swing.JTextField();  tname = new javax.swing.JTextField();  jScrollPane2 = new javax.swing.JScrollPane();  tmemo = new javax.swing.JTextArea();  jButton1 = new javax.swing.JButton();  jButton3 = new javax.swing.JButton();  jButton4 = new javax.swing.JButton();  jButton5 = new javax.swing.JButton();   setTitle("类型管理");  setBounds(new java.awt.Rectangle(100, 50, 0, 0));  setIconImage(new javax.swing.ImageIcon(getClass().getResource("/com/liu/resouce/logo.jpg")).getImage());   typeTable.setFont(new java.awt.Font("宋体", 0, 18));  typeTable.setModel(new javax.swing.table.DefaultTableModel(   new Object [][] {   {null, null, null},   {null, null, null},   {null, null, null},   {null, null, null}   },   new String [] {   "序号", "类别名称", "备注"   }  ) {   Class[] types = new Class [] {   java.lang.Integer.class, java.lang.String.class, java.lang.String.class   };   boolean[] canEdit = new boolean [] {   false, false, false   };    public Class getColumnClass(int columnIndex) {   return types [columnIndex];   }    public boolean isCellEditable(int rowIndex, int columnIndex) {   return canEdit [columnIndex];   }  });  typeTable.setColumnSelectionAllowed(true);  typeTable.addMouseListener(new java.awt.event.MouseAdapter() {   public void mouseClicked(java.awt.event.MouseEvent evt) {   typeTableMouseClicked(evt);   }  });  typeTable.addContainerListener(new java.awt.event.ContainerAdapter() {   public void componentAdded(java.awt.event.ContainerEvent evt) {   typeTableComponentAdded(evt);   }  });  jScrollPane1.setViewportView(typeTable);  typeTable.getColumnModel().getSelectionModel().setSelectionMode(javax.swing.ListSelectionModel.SINGLE_INTERVAL_SELECTION);  typeTable.getColumnModel().getColumn(0).setResizable(false);  typeTable.getColumnModel().getColumn(2).setResizable(false);   jPanel2.setBorder(javax.swing.BorderFactory.createTitledBorder(null, "类别信息", javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, javax.swing.border.TitledBorder.DEFAULT_POSITION, new java.awt.Font("宋体", 0, 18))); // NOI18N   jLabel1.setFont(new java.awt.Font("宋体", 0, 18));  jLabel1.setText("序号：");   jLabel2.setFont(new java.awt.Font("宋体", 0, 18));  jLabel2.setText("类别名称：");   jLabel3.setFont(new java.awt.Font("宋体", 0, 18));  jLabel3.setText("备注：");   tid.setFont(new java.awt.Font("宋体", 0, 18));  tid.addActionListener(new java.awt.event.ActionListener() {   public void actionPerformed(java.awt.event.ActionEvent evt) {   tidActionPerformed(evt);   }  });   tname.setFont(new java.awt.Font("宋体", 0, 18));   tmemo.setColumns(20);  tmemo.setFont(new java.awt.Font("Monospaced", 0, 18));  tmemo.setRows(5);  jScrollPane2.setViewportView(tmemo);   jButton1.setText("保存");  jButton1.addActionListener(new java.awt.event.ActionListener() {   public void actionPerformed(java.awt.event.ActionEvent evt) {   jButton1ActionPerformed(evt);   }  });   jButton3.setText("更新");  jButton3.addMouseListener(new java.awt.event.MouseAdapter() {   public void mouseClicked(java.awt.event.MouseEvent evt) {   jButton3MouseClicked(evt);   }  });  jButton3.addActionListener(new java.awt.event.ActionListener() {   public void actionPerformed(java.awt.event.ActionEvent evt) {   jButton3ActionPerformed(evt);   }  });   jButton4.setText("删除");  jButton4.addActionListener(new java.awt.event.ActionListener() {   public void actionPerformed(java.awt.event.ActionEvent evt) {   jButton4ActionPerformed(evt);   }  });   jButton5.setText("新增");  jButton5.addActionListener(new java.awt.event.ActionListener() {   public void actionPerformed(java.awt.event.ActionEvent evt) {   jButton5ActionPerformed(evt);   }  });   javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);  jPanel2.setLayout(jPanel2Layout);  jPanel2Layout.setHorizontalGroup(   jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)   .addGroup(jPanel2Layout.createSequentialGroup()   .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)    .addGroup(jPanel2Layout.createSequentialGroup()    .addGap(39, 39, 39)    .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)     .addGroup(jPanel2Layout.createSequentialGroup()     .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)     .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 90, javax.swing.GroupLayout.PREFERRED_SIZE)     .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)     .addComponent(tname, javax.swing.GroupLayout.DEFAULT_SIZE, 341, Short.MAX_VALUE))     .addGroup(jPanel2Layout.createSequentialGroup()     .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)     .addComponent(jLabel3)     .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)     .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 383, javax.swing.GroupLayout.PREFERRED_SIZE))     .addGroup(jPanel2Layout.createSequentialGroup()     .addComponent(jLabel1)     .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)     .addComponent(tid, javax.swing.GroupLayout.DEFAULT_SIZE, 383, Short.MAX_VALUE))))    .addGroup(jPanel2Layout.createSequentialGroup()    .addGap(70, 70, 70)    .addComponent(jButton5, javax.swing.GroupLayout.PREFERRED_SIZE, 69, javax.swing.GroupLayout.PREFERRED_SIZE)    .addGap(41, 41, 41)    .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 68, javax.swing.GroupLayout.PREFERRED_SIZE)    .addGap(37, 37, 37)    .addComponent(jButton3, javax.swing.GroupLayout.PREFERRED_SIZE, 68, javax.swing.GroupLayout.PREFERRED_SIZE)    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 40, Short.MAX_VALUE)    .addComponent(jButton4, javax.swing.GroupLayout.PREFERRED_SIZE, 67, javax.swing.GroupLayout.PREFERRED_SIZE)    .addGap(20, 20, 20)))   .addGap(83, 83, 83))  );  jPanel2Layout.setVerticalGroup(   jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)   .addGroup(jPanel2Layout.createSequentialGroup()   .addGap(31, 31, 31)   .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)    .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 21, javax.swing.GroupLayout.PREFERRED_SIZE)    .addComponent(tid, javax.swing.GroupLayout.PREFERRED_SIZE, 34, javax.swing.GroupLayout.PREFERRED_SIZE))   .addGap(27, 27, 27)   .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)    .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 21, javax.swing.GroupLayout.PREFERRED_SIZE)    .addComponent(tname, javax.swing.GroupLayout.PREFERRED_SIZE, 34, javax.swing.GroupLayout.PREFERRED_SIZE))   .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)    .addGroup(jPanel2Layout.createSequentialGroup()    .addGap(45, 45, 45)    .addComponent(jLabel3))    .addGroup(jPanel2Layout.createSequentialGroup()    .addGap(24, 24, 24)    .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 92, javax.swing.GroupLayout.PREFERRED_SIZE)))   .addGap(35, 35, 35)   .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)    .addComponent(jButton5, javax.swing.GroupLayout.PREFERRED_SIZE, 34, javax.swing.GroupLayout.PREFERRED_SIZE)    .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 33, javax.swing.GroupLayout.PREFERRED_SIZE)    .addComponent(jButton3, javax.swing.GroupLayout.PREFERRED_SIZE, 32, javax.swing.GroupLayout.PREFERRED_SIZE)    .addComponent(jButton4, javax.swing.GroupLayout.PREFERRED_SIZE, 33, javax.swing.GroupLayout.PREFERRED_SIZE))   .addGap(18, 18, 18))  );   javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);  jPanel1.setLayout(jPanel1Layout);  jPanel1Layout.setHorizontalGroup(   jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)   .addGroup(jPanel1Layout.createSequentialGroup()   .addGap(66, 66, 66)   .addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)   .addContainerGap(55, Short.MAX_VALUE))   .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 696, Short.MAX_VALUE)  );  jPanel1Layout.setVerticalGroup(   jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)   .addGroup(jPanel1Layout.createSequentialGroup()   .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 177, javax.swing.GroupLayout.PREFERRED_SIZE)   .addGap(18, 18, 18)   .addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, 361, Short.MAX_VALUE)   .addContainerGap())  );   javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());  getContentPane().setLayout(layout);  layout.setHorizontalGroup(   layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)   .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)  );  layout.setVerticalGroup(   layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)   .addGroup(layout.createSequentialGroup()   .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)   .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))  );   pack();  }// </editor-fold>      //表格数据的初始化  public void initData(){  //加载数据  DefaultTableModel dtm = (DefaultTableModel)typeTable.getModel();  //清空表  while(dtm.getRowCount()>0){   dtm.removeRow(0);  }  //加载数据  Set<Integer>set = map.keySet();  for(Integer i:set){   TypeBean bean = map.get(i);   Vector v = new Vector();   v.add(bean.getId());   v.add(bean.getTypeName());   v.add(bean.getMemo());   dtm.addRow(v);  }  }   private void tidActionPerformed(java.awt.event.ActionEvent evt) {      // TODO add your handling code here: }       private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {       //保存类型操作  //先保存文本框里的值  String id = tid.getText();  String typeName = tname.getText();  String memo = tmemo.getText();  //封装成对象  TypeBean bean = new TypeBean();  bean.setId(Integer.parseInt(id));  bean.setMemo(memo);  bean.setTypeName(typeName);  //将bean放到map里面   // Map<Integer,TypeBean>map = new HashMap<Integer,TypeBean>();  map.put(Integer.parseInt(id), bean);  //将map放到文件里面  typeDao.writeType(map);  //刷新table  initData();  }        private void typeTableComponentAdded(java.awt.event.ContainerEvent evt) {       // TODO add your handling code here: }        private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {       // 删除操作  //获取选中行号及序列号  int currentRow = typeTable.getSelectedRow();  int id = (Integer)typeTable.getValueAt(currentRow, 0);  map.remove(id);  typeDao.writeType(map);  JOptionPane.showMessageDialog(this,"类别删除成功");  initData();  }        private void jButton3MouseClicked(java.awt.event.MouseEvent evt) {        }       private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {       // 更新操作  //先保存文本框里的值  int currentRow = typeTable.getSelectedRow();  int id = (Integer) typeTable.getValueAt(currentRow, 0);    String typeName = tname.getText();  String memo = tmemo.getText();  //封装成对象  TypeBean bean = new TypeBean();  bean.setId(id);  bean.setMemo(memo);  bean.setTypeName(typeName);  //将bean放到map里面   // Map<Integer,TypeBean>map = new HashMap<Integer,TypeBean>();  map.put(id, bean);  //将map放到文件里面  typeDao.writeType(map);  //刷新table  JOptionPane.showMessageDialog(this,"类别更新成功");  initData();  }        private void typeTableMouseClicked(java.awt.event.MouseEvent evt) {        //获取选中行号及序列号  int currentRow = typeTable.getSelectedRow();   // 将选中的行，显示到信息栏中  tid.setText((Integer) typeTable.getValueAt(currentRow, 0)+"");  tname.setText((String) typeTable.getValueAt(currentRow, 1));  tmemo.setText((String) typeTable.getValueAt(currentRow, 2));   tid.setEnabled(false); //序号框不可编辑   }       private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {       // 新增时，将文本框里的信息进行清空，并将序列号置为可编辑。  tid.setEnabled(true);  tid.setText("");  tname.setText("");  tmemo.setText("");   }        /**  * @param args the command line arguments  */  public static void main(String args[]) {  java.awt.EventQueue.invokeLater(new Runnable() {   public void run() {   new TypeForm().setVisible(true);   }  });  }   // Variables declaration - do not modify    private javax.swing.JButton jButton1;  private javax.swing.JButton jButton3;  private javax.swing.JButton jButton4;  private javax.swing.JButton jButton5;  private javax.swing.JLabel jLabel1;  private javax.swing.JLabel jLabel2;  private javax.swing.JLabel jLabel3;  private javax.swing.JPanel jPanel1;  private javax.swing.JPanel jPanel2;  private javax.swing.JScrollPane jScrollPane1;  private javax.swing.JScrollPane jScrollPane2;  private javax.swing.JTextField tid;  private javax.swing.JTextArea tmemo;  private javax.swing.JTextField tname;  private javax.swing.JTable typeTable;  // End of variables declaration    }

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