returnpanel.java

Java实现的图书管理系统

/*
 * ReturnPanel.java
 *
 * Created on 2003年5月9日, 下午5:34
 */

/**
 *
 * @author  administrator
 */
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import javax.swing.event.*;
import java.util.*;
import javax.swing.border.*;

class ReturnPanel extends JPanel {
    
    private MyClientTable table;
    private BtAL btAL=new BtAL();
    private BtReturnAL btReturnAL=new BtReturnAL();
    private JTextField tf;
    private BusinessLogic bl;
    
    /** Creates a new instance of ReturnPanel */
    public ReturnPanel(BusinessLogic bl) 
    {
        this.bl=bl;
        
        this.setLayout(new BorderLayout());
     
        //initial the query field
        JLabel lb=new JLabel("书ID:");
        tf=new JTextField("",15);
        JButton bt=new JButton("查询");
        bt.addActionListener(btAL);
        JButton bt_return=new JButton("归还");
        bt_return.addActionListener(btReturnAL);
        
        JPanel panel=new JPanel();
        panel.add(lb);
        panel.add(tf);
        panel.add(bt);
        panel.add(bt_return);
        panel.setBorder(new EtchedBorder());
        
        this.add(panel,"North");
      
        //initial the talbe 
        Vector vRow=new Vector();
        Vector vCol=new Vector();
        
        vCol.add("AAA");
        vCol.add("BBB");
        vCol.add("CCC");
        vRow.add(vCol);
        vCol=new Vector();
        vCol.add("AAA-1");
        vCol.add("BBB-1");
        vCol.add("CCC-1");
        vRow.add(vCol);
        
        table=new MyClientTable(vRow);
        JScrollPane scTable=new JScrollPane(table);
        this.add(scTable,"Center");
    }
    
    class BtAL implements ActionListener
    {
         public void actionPerformed(ActionEvent e) 
         {
             String str=tf.getText();
             
             Vector v=bl.getQueryBorrowedBook(str);
             
             table.setModel(new DataModel(v));
                       
            
         }
    }
    
    class BtReturnAL implements ActionListener
    {
         public void actionPerformed(ActionEvent e) 
         {
             int rowCount=table.getSelectedRowCount();
             if(rowCount==0)
                 return;
             
             int[] rows=table.getSelectedRows();
             int i=0;
             for(i=0;i<rowCount;i++)
             {
                 String borrowId=(String)table.getValueAt(rows[i],0);
                 bl.returnBook(borrowId);
             }
             
             Vector v=bl.getBorrowedBook("");
             table.setModel(new DataModel(v));
            
         }
    }
    
    public MyClientTable getTable()
    {
        return table;
    }
    
}