为什么没人理我啊!!

Question

跪求一个答案:
   新建了一个只有一行的JTable对象.想实现在每一行的第一个单元格单击时,table添加一行空行...问了几天了...没人理....惨啊....郁闷啊没分了..只能给40......

Answer 1

package addbook;
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
import javax.swing.*;
import javax.swing.table.*;
import javax.swing.event.*;
import java.util.*;
public class AddbookFrame extends JFrame{
JPanel content;
JLabel addLab=new JLabel("      添加新书目",new ImageIcon("bookbig.gif"),JLabel.LEFT);
JButton addBtn=new JButton("添  加");
JButton cancelBtn=new JButton("取  消");
String[] title={"索书号","书名","作者","出版社","出版日期","价格","所属类别"};
    JScrollPane scroll=null;
    JTable table;
    DefaultTableModel tm=new DefaultTableModel(title,1);
    Vector vector=new Vector();
    Connection connection=null;
    Statement statement=null;
    String driverName="sun.jdbc.odbc.JdbcOdbcDriver";
String user="system";
String passWord="ericdb";
    String url = "jdbc:odbc:driver={Microsoft Access Driver (*.mdb)};DBQ=ericdb.mdb";
    String sqlStatement=new String();
    JComboBox comboBox;
    public AddbookFrame()
    {
     super();
setTitle("添加新书");
this.setResizable(false);
setIconImage(Toolkit.getDefaultToolkit().createImage("bookbig.gif"));
Dimension screanSize=Toolkit.getDefaultToolkit().getScreenSize();
setSize(860,440);
Dimension frameSize=this.getSize();
setLocation((screanSize.width-frameSize.width)/2,
                 (screanSize.height-frameSize.height)/2);
content=(JPanel)this.getContentPane();
content.setLayout(null);
addLab.setBounds(30,10,600,50);
    sqlStatement="select * from KIND";
try
{
Class.forName(driverName);
}
catch(java.lang.ClassNotFoundException ex){
}
try
{
connection=DriverManager.getConnection(url,user,passWord);
statement=connection.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,
ResultSet.CONCUR_UPDATABLE);
ResultSet res=statement.executeQuery(sqlStatement);
while(res.next())
vector.addElement(res.getString("KIND_NAME"));
res.close();
         }
catch(SQLException ex)
{
System.out.println(ex.getErrorCode());
System.out.println(ex.getMessage());
System.out.println(ex.getSQLState());         
}
*********************************************************************** 
在该table对象的每一行的第一个单元格单击时,table添加一行空行
table=new JTable(tm);
TableColumn Column = table.getColumnModel().getColumn(6);
         comboBox=new JComboBox(vector);
         Column.setCellEditor(new DefaultCellEditor(comboBox));
((DefaultCellEditor) table.getDefaultEditor(Object.class)).setClickCountToStart(1);
   ***********************************************************************************   
scroll=new JScrollPane(table);
scroll.setBounds(20,80,820,240);
addBtn.setBounds(50,340,160,30);
addBtn.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){

try{
for(int i=0;i<table.getRowCount();i++){
String updateSql="insert into BOOK values('"+
table.getValueAt(i,0)+"','"+table.getValueAt(i,1)+"','"+
table.getValueAt(i,2)+"','"+table.getValueAt(i,3)+"','"+
table.getValueAt(i,4)+"','"+table.getValueAt(i,5)+"','"+
table.getValueAt(i,6)+"')";
            statement.executeUpdate(updateSql);
           }
        JOptionPane msg=new JOptionPane();
          msg.showMessageDialog(AddbookFrame.this,"新书目添加成功","添加成功",1);
}
catch(SQLException ex)
{
System.out.println(ex.getErrorCode());
System.out.println(ex.getMessage());
System.out.println(ex.getSQLState());         
}

try{
            if(statement!=null)statement.close();
            }
            catch(SQLException ex)
            {
            }
     try{
            if(statement!=null)connection.close();
            }
            catch(SQLException ex)
            {
            }
}
});
    cancelBtn.setBounds(240,340,160,30);
    content.add(cancelBtn);
content.add(addLab);
content.add(scroll);
content.add(addBtn);
                 
    }     public static void main(String[] args)
{
AddbookFrame frame=new AddbookFrame();
frame.addWindowListener(new WindowAdapter(){
public void WindowClosing(WindowEvent e){
System.exit(0);
}
});
frame.show();
}}

Answer 2

实现接口MouseListener判断单击信息，然后再做你所想做的事! -_-

Answer 3

回复人： hifan(Hifan On Line) ( ) 信誉：100  2005-6-12 18:53:18  得分: 0  
 
 
   
实现接口MouseListener判断单击信息，然后再做你所想做的事! -_-  
 
尝试过了...但是不行...不知道为什么