图书管理系统代码 4SearchFrame （…

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.FlowLayout;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.io.InvalidClassException;

import java.io.ObjectInputStream;

import java.io.OptionalDataException;

import java.io.StreamCorruptedException;

import javax.swing.BorderFactory;

import javax.swing.ButtonGroup;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JComboBox;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JRadioButton;

import javax.swing.JScrollPane;

import javax.swing.JTable;

import javax.swing.JTextField;

import javax.swing.border.Border;

import javax.swing.border.TitledBorder;

import javax.swing.table.DefaultTableModel;

import javax.swing.table.TableModel;

public class SearchFrame extends InitFrame

{

private static final long serialVersionUID = 343751176496776183L;

@SuppressWarnings("unchecked")

public SearchFrame()

{

super("图书管理系统—查询","Library.png",650,300);

//设置布局

this.setLayout(new BorderLayout());

     this.setResizable(false);

// 创建面板

JPanel northPanel = new JPanel();

JPanel northPanel1 = new JPanel();//放置下拉列表

JPanel northPanel2 = new JPanel();//放置检索分类

JPanel centerPanel = new JPanel();//放置文本框和二维表

JPanel southPanel  = new JPanel();//放置按钮

// 添加面板到窗体

this.add(northPanel,BorderLayout.NORTH);

this.add(centerPanel,BorderLayout.CENTER);

this.add(southPanel,BorderLayout.SOUTH);

// 设置各面板的布局

northPanel.setLayout(new GridLayout(2,1));

northPanel.add(northPanel1);

northPanel.add(northPanel2);

northPanel1.setLayout(new BorderLayout());

northPanel2.setLayout(new GridLayout(3,1));

centerPanel.setLayout(new BorderLayout());

southPanel.setLayout(new FlowLayout());

//设置 下拉列表框 （书籍分类）

File file_Library= new File("E:\\图书管理系统\\分类");

File[] file_class = file_Library.listFiles();// 获取  “分类”文件夹下的各个具体分类的文件夹

 comBoBox= new JComboBox(file_class);

 

   northPanel1.add(comBoBox,BorderLayout.EAST);

   JLabel label = new JLabel("请选择分类：");

   northPanel1.add(label,BorderLayout.WEST);

 

 

// 定义按钮组

   bg = new ButtonGroup();

//     定义单选按钮

  Radio_number = new JRadioButton("按编号",true);

Radio_name   = new JRadioButton("按书名");

Radio_author = new JRadioButton("按作者");

// 将按钮添加到按钮组中

bg.add(Radio_number);

bg.add(Radio_name);

bg.add(Radio_author);

// 将单选按钮添加到面板

northPanel2.add(Radio_number);

northPanel2.add(Radio_name);

northPanel2.add(Radio_author);

//设置按钮组的边框

Border line = BorderFactory.createLineBorder(Color.BLUE, 2, true);

Border title = BorderFactory.createTitledBorder(line,"检索方式",TitledBorder.LEADING,TitledBorder.TOP);

northPanel2.setBorder(title);

// 添加接受检索输入的文本框

  textField = new JTextField(35);

centerPanel.add(textField,BorderLayout.NORTH);

// 添加操作按钮

JButton button_ok = new JButton("确定",new ImageIcon("ok.png"));

southPanel.add(button_ok);

button_ok.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent e)

{

// 获取下拉列表的路径（文件）

File f1 =SearchFrame.this.getClassName();

// 从获得的分类下 读取存放书籍信息的文件

File file_book_info = new File(f1.getPath()+"\"+"bookinfo.dat");

try {

FileInputStream fr = new FileInputStream(file_book_info);

ObjectInputStream obo = new ObjectInputStream(fr);

int n = 0;//加入变量n 的目的是考虑到搜索出来的同一个作者多本书的情况下 可能出现多行

boolean exist = false;//引入布尔型变量，用来判断有没有查到

if (Radio_number.isSelected())

{

int m = Integer.parseInt(textField.getText());

book_search =(Book)obo.readObject();//先读取第一个对象

// 如果文本框中输入的文字出现在某个对象中执行以下操作

if(book_search.getNumber()==m)

{

exist =true;

Object [][] book = new Object[1][];

   int  number=book_search.getNumber();

 String name=book_search.getName();

 String author=book_search.getAuthor();

 String press=book_search.getPress();

 int count=book_search.getCount();

 Object [] book_searched = new Object[]{number,name,author,press,count};

 

 book[0] = book_searched ;

Object [] book_info = new Object[]{"编号","书名 ","作者","出版社","数量"};

// 创建表格模型

TableModel model = new DefaultTableModel(book,book_info);

// 根据表格模型类创建二维表格

table_search = new JTable(model);

                         new SearchResult().setVisible(true);

                       

   }}

//当选中的是作者或者是书名的单选按钮时执行以下操作

if(Radio_name.isSelected()||Radio_author.isSelected()){

int m=0;

do{

if(m<=n){

book_search =(Book)obo.readObject();//先读取第一个对象

// 如果文本框中输入的文字出现在某个对象中执行以下操作

if(book_search.toString().contains(textField.getText()))

{

exist =true;

Object [][] book = new Object[8][];

   int  number=book_search.getNumber();

 String name=book_search.getName();

 String author=book_search.getAuthor();

 String press=book_search.getPress();

 int count=book_search.getCount();

 Object [] book_searched = new Object[]{number,name,author,press,count};

 

 book[n] = book_searched ;

Object [] book_info = new Object[]{"编号","书名 ","作者","出版社","数量"};

// 创建表格模型

TableModel model = new DefaultTableModel(book,book_info);

// 根据表格模型类创建二维表格

table_search = new JTable(model);

n ++;

                          new SearchResult().setVisible(true);

}

}

}while(book_search!=null);}

//当没有检索到书的时候显示结果

if(!exist){

JLabel label_result = new JLabel("没有检索到该书！！");

JOptionPane.showConfirmDialog(SearchFrame.this, label_result,"图书管理系统-检索结果", JOptionPane.PLAIN_MESSAGE,JOptionPane.OK_OPTION , new ImageIcon("result.png"));

}

// 关闭流

fr.close();

obo.close();

}catch(InvalidClassException e3)

{

e3.printStackTrace();

}

catch (ClassNotFoundException e1) {

e1.printStackTrace();

}catch(StreamCorruptedException e4){

e4.printStackTrace();

}catch(OptionalDataException e5)

{

e5.printStackTrace();

}catch(FileNotFoundException e6)

{

}

catch (IOException e2) {

// 当所选择的分类没有一个书籍对象时  没有找到此书

JLabel label_result = new JLabel("没有检索到该书！！");

JOptionPane.showConfirmDialog(SearchFrame.this, label_result,"图书管理系统-检索结果", JOptionPane.PLAIN_MESSAGE,JOptionPane.OK_OPTION , new ImageIcon("result.png"));

}

}

});

JButton button_cancel = new JButton("取消",new ImageIcon("cancel.png"));

southPanel.add(button_cancel);

button_cancel.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent e)

{

SearchFrame.this.setVisible(false);

SearchFrame.this.dispose();

}

});

this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);

}

// 获取下拉列表选择对分类

public File getClassName()

{

return (File)comBoBox.getSelectedItem();

}

// 返回检索出来的书籍的JTabel对象

public JTable getJTabel()

{

return table_search;

}

private JButton button_ok;

private JButton button_cancel;

private  JComboBox comBoBox;

private JTextField textField ;

private JTable  table_search ;

private Book  book_search ;

private  ButtonGroup bg;

private JRadioButton Radio_number ;

private JRadioButton Radio_name  ;

private JRadioButton Radio_author ;

class SearchResult extends InitFrame

{

public SearchResult(){

super("图书管理系统-查询结果","library.png",650,300);

// 关闭窗体时释放资源

this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);

// 设置窗体的布局管理器

this.setLayout(new BorderLayout());

// 创建面板 并进行布局

JPanel centerPanel = new JPanel();

JPanel southPanel = new JPanel();

//将面板添加到窗体

this.add(centerPanel,BorderLayout.CENTER);

this.add(southPanel,BorderLayout.SOUTH);

//设置面板布局

centerPanel.setLayout(new BorderLayout());

southPanel.setLayout(new FlowLayout());

// 获取父类传入的二维表格并添加入窗体

JTable table_result = SearchFrame.this.getJTabel();

JScrollPane jsp = new JScrollPane(table_result);

centerPanel.add(jsp,BorderLayout.CENTER);

JButton button_ok = new JButton("确定",new ImageIcon("ok.png"));

southPanel.add(button_ok);

button_ok.addActionListener(new ActionListener(){

@SuppressWarnings("deprecation")

public void actionPerformed(ActionEvent e)

{

SearchResult.this.setVisible(false);

SearchResult.this.disable();

}

});

}

}

}

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版权声明：本文为CSDN博主「明明如月学长」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。

原文链接：https://blog.csdn.net/w605283073/article/details/46572401