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图书管理系统java代码实现

发布时间：2020-12-14 06:07:22 所属栏目：Java 来源：网络整理
导读：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

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：

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,ex); 
 } 
 finally{ 
  try{ 
  //先开后闭 
   oos.close(); 
   fos.close(); 
  }catch(IOException ex){ 
  Logger.getLogger(TypeDAO.class.getName()).log(Level.SEVERE,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,ex); 
 } catch (FileNotFoundException ex) { 
  Logger.getLogger(TypeDAO.class.getName()).log(Level.SEVERE,ex); 
 } catch (IOException ex) { 
  //Logger.getLogger(TypeDAO.class.getName()).log(Level.SEVERE,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,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,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,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,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)); 
 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",36)); 
 jLabel1.setForeground(new java.awt.Color(204,0)); 
 jLabel1.setText("图书管理系统"); 
 
 jLabel2.setFont(new java.awt.Font("宋体",24)); 
 jLabel2.setText("用户名："); 
 
 jLabel3.setFont(new java.awt.Font("宋体",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",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) 
  .addGap(110,110,110)) 
 ); 
 layout.setVerticalGroup( 
  layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
  .addGroup(layout.createSequentialGroup() 
  .addGap(50,50,50) 
  .addComponent(jLabel1,45,javax.swing.GroupLayout.PREFERRED_SIZE) 
  .addGap(38,38,38) 
  .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) 
   .addComponent(jLabel2) 
   .addComponent(LoginName,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)) 
  .addGap(18,18,18) 
  .addComponent(jButton1,36,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   
 
}

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)); 
 setIconImage(new javax.swing.ImageIcon(getClass().getResource("/com/liu/resouce/logo.jpg")).getImage()); 
 
 jLabel1.setFont(new java.awt.Font("宋体",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",48)); 
 jLabel2.setForeground(new java.awt.Color(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) 
  .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(jLabel2,78,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,Short.MAX_VALUE) 
  .addGroup(layout.createSequentialGroup() 
  .addGap(22,22,22) 
  .addComponent(jPanel1,Short.MAX_VALUE) 
  .addContainerGap()) 
 ); 
 layout.setVerticalGroup( 
  layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
  .addGroup(javax.swing.GroupLayout.Alignment.TRAILING,layout.createSequentialGroup() 
  .addContainerGap() 
  .addComponent(jPanel1,Short.MAX_VALUE) 
  .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) 
  .addComponent(jLabel1,411,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   
 
}

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(100,0)); 
 setIconImage(new javax.swing.ImageIcon(getClass().getResource("/com/liu/resouce/logo.jpg")).getImage()); 
 
 bookTable.setFont(new java.awt.Font("宋体",18)); // NOI18N 
 bookTable.setModel(new javax.swing.table.DefaultTableModel( 
  new Object [][] { 
  {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 
  }; 
  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]; 
  } 
 }); 
 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",18))); // NOI18N 
 
 bmemo.setFont(new java.awt.Font("宋体",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",18)); 
 jLabel1.setText("序号："); 
 
 jLabel2.setFont(new java.awt.Font("宋体",18)); 
 jLabel2.setText("名称："); 
 
 jLabel3.setFont(new java.awt.Font("宋体",18)); 
 jLabel3.setText("类型："); 
 
 jLabel4.setFont(new java.awt.Font("宋体",18)); 
 jLabel4.setText("备注："); 
 
 bid.setFont(new java.awt.Font("宋体",18)); 
 
 bname.setFont(new java.awt.Font("宋体",18)); 
 
 btype.setFont(new java.awt.Font("宋体",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",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(jLabel2,83,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))) 
  .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
   .addComponent(bmemo,375,Short.MAX_VALUE) 
   .addComponent(bid,Short.MAX_VALUE) 
   .addComponent(bname,Short.MAX_VALUE) 
   .addComponent(bmoney,Short.MAX_VALUE) 
   .addGroup(jPanel2Layout.createSequentialGroup() 
   .addComponent(jButton1,73,javax.swing.GroupLayout.PREFERRED_SIZE) 
   .addGap(28,28,28) 
   .addComponent(jButton2,69,javax.swing.GroupLayout.PREFERRED_SIZE) 
   .addGap(30,30,30) 
   .addComponent(jButton3,javax.swing.GroupLayout.PREFERRED_SIZE) 
   .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED,Short.MAX_VALUE) 
   .addComponent(jButton4,74,javax.swing.GroupLayout.PREFERRED_SIZE)) 
   .addComponent(btype,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(jLabel1,25,javax.swing.GroupLayout.PREFERRED_SIZE) 
   .addComponent(bid,37,javax.swing.GroupLayout.PREFERRED_SIZE)) 
  .addGap(13,13,13) 
  .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) 
   .addComponent(jLabel2) 
   .addComponent(bname,18) 
  .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) 
   .addComponent(jLabel3) 
   .addComponent(btype,26) 
  .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) 
   .addComponent(jLabel5) 
   .addComponent(bmoney,35,javax.swing.GroupLayout.PREFERRED_SIZE)) 
  .addGap(32,32,32) 
  .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
   .addGroup(jPanel2Layout.createSequentialGroup() 
   .addComponent(bmemo,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) 
    .addComponent(jButton2,javax.swing.GroupLayout.PREFERRED_SIZE) 
    .addComponent(jButton3,31,javax.swing.GroupLayout.PREFERRED_SIZE) 
    .addComponent(jButton4,javax.swing.GroupLayout.PREFERRED_SIZE))) 
   .addComponent(jLabel4)) 
  .addGap(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,795,Short.MAX_VALUE) 
  .addGroup(jPanel1Layout.createSequentialGroup() 
  .addGap(50,50) 
  .addComponent(jPanel2,javax.swing.GroupLayout.PREFERRED_SIZE) 
  .addContainerGap(173,Short.MAX_VALUE)) 
 ); 
 jPanel1Layout.setVerticalGroup( 
  jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
  .addGroup(jPanel1Layout.createSequentialGroup() 
  .addComponent(jScrollPane1,192,javax.swing.GroupLayout.PREFERRED_SIZE) 
  .addGap(10,10,10) 
  .addComponent(jPanel2,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,Short.MAX_VALUE) 
 ); 
 layout.setVerticalGroup( 
  layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
  .addComponent(jPanel1,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.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   
 
}

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(100,0)); 
 setIconImage(new javax.swing.ImageIcon(getClass().getResource("/com/liu/resouce/logo.jpg")).getImage()); 
 
 typeTable.setFont(new java.awt.Font("宋体",18)); 
 typeTable.setModel(new javax.swing.table.DefaultTableModel( 
  new Object [][] { 
  {null,"类别名称",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",18))); // NOI18N 
 
 jLabel1.setFont(new java.awt.Font("宋体",18)); 
 jLabel2.setText("类别名称："); 
 
 jLabel3.setFont(new java.awt.Font("宋体",18)); 
 jLabel3.setText("备注："); 
 
 tid.setFont(new java.awt.Font("宋体",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",18)); 
 
 tmemo.setColumns(20); 
 tmemo.setFont(new java.awt.Font("Monospaced",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(jLabel2,90,javax.swing.GroupLayout.PREFERRED_SIZE) 
    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) 
    .addComponent(tname,341,Short.MAX_VALUE)) 
    .addGroup(jPanel2Layout.createSequentialGroup() 
    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) 
    .addComponent(jLabel3) 
    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) 
    .addComponent(jScrollPane2,383,javax.swing.GroupLayout.PREFERRED_SIZE)) 
    .addGroup(jPanel2Layout.createSequentialGroup() 
    .addComponent(jLabel1) 
    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) 
    .addComponent(tid,Short.MAX_VALUE)))) 
   .addGroup(jPanel2Layout.createSequentialGroup() 
   .addGap(70,70,70) 
   .addComponent(jButton5,javax.swing.GroupLayout.PREFERRED_SIZE) 
   .addGap(41,41,41) 
   .addComponent(jButton1,68,javax.swing.GroupLayout.PREFERRED_SIZE) 
   .addGap(37,37) 
   .addComponent(jButton3,40,67,javax.swing.GroupLayout.PREFERRED_SIZE) 
   .addGap(20,20,20))) 
  .addGap(83,83)) 
 ); 
 jPanel2Layout.setVerticalGroup( 
  jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
  .addGroup(jPanel2Layout.createSequentialGroup() 
  .addGap(31,31) 
  .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) 
   .addComponent(jLabel1,21,javax.swing.GroupLayout.PREFERRED_SIZE) 
   .addComponent(tid,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) 
   .addComponent(tname,javax.swing.GroupLayout.PREFERRED_SIZE)) 
  .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
   .addGroup(jPanel2Layout.createSequentialGroup() 
   .addGap(45,45) 
   .addComponent(jLabel3)) 
   .addGroup(jPanel2Layout.createSequentialGroup() 
   .addGap(24,24,24) 
   .addComponent(jScrollPane2,92,javax.swing.GroupLayout.PREFERRED_SIZE))) 
  .addGap(35,35) 
  .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) 
   .addComponent(jButton5,javax.swing.GroupLayout.PREFERRED_SIZE) 
   .addComponent(jButton1,javax.swing.GroupLayout.PREFERRED_SIZE) 
   .addComponent(jButton3,javax.swing.GroupLayout.PREFERRED_SIZE) 
   .addComponent(jButton4,18)) 
 ); 
 
 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) 
  .addContainerGap(55,Short.MAX_VALUE)) 
  .addComponent(jScrollPane1,696,Short.MAX_VALUE) 
 ); 
 jPanel1Layout.setVerticalGroup( 
  jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
  .addGroup(jPanel1Layout.createSequentialGroup() 
  .addComponent(jScrollPane1,177,javax.swing.GroupLayout.PREFERRED_SIZE) 
  .addGap(18,18) 
  .addComponent(jPanel2,361,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) 
 ); 
 layout.setVerticalGroup( 
  layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
  .addGroup(layout.createSequentialGroup() 
  .addComponent(jPanel1,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,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,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   
 
}

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编程小技巧。

（编辑：李大同）

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