请大虾们帮我看看这段程序代码
import java.awt.*;
import java.sql.*;
import javax.swing.*;
import java.awt.event.*;
public class Frame1 extends JFrame {
JFrame jf=new JFrame();
JPanel jp;
JLabel jll1 = new JLabel();
JComboBox jcb1 = new JComboBox();
JLabel jl2 = new JLabel();
JComboBox jcb2 = new JComboBox();
JButton jb = new JButton();
JTextField jtf1 = new JTextField();
JTextField jtf2 = new JTextField();
JTextField jtf3 = new JTextField();
ResultSetComBoxModel rscm1=new ResultSetComBoxModel();
Connection con=null;
Statement stmt1=null;
Statement stmt2=null;
ResultSet rs1=null,rs2=null;
public Frame1() {
try {
setDefaultCloseOperation(EXIT_ON_CLOSE);
jbInit();
dataInit();
}
catch (Exception exception) {
exception.printStackTrace();
}
}
private void jbInit() throws Exception {
jp = (JPanel) getContentPane();
jp.setLayout(null);
jf.setSize(new Dimension(500, 300));
jf.setTitle("城市查询系统");
jll1.setText("省名：");
jll1.setBounds(new Rectangle(13, 29, 41, 38));
jcb1.setBounds(new Rectangle(50, 35, 80, 24));
jcb1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
jcb1_actionPerformed(e);
}
});
jl2.setText("城市名:");
jl2.setBounds(new Rectangle(149, 35, 49, 24));
jcb2.setBounds(new Rectangle(209, 33, 80, 24));
jb.setBounds(new Rectangle(320, 31, 60, 27));
jb.setText("查询");
jb.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
jb_actionPerformed(e);
}
});
jtf1.setText("");
jtf1.setBounds(new Rectangle(22, 100, 102, 26));
jtf2.setText("");
jtf2.setBounds(new Rectangle(146, 100, 102, 26));
jtf3.setText("");
jtf3.setBounds(new Rectangle(272, 100, 102, 26));
jf.setVisible(true);
jf.add(jp);
jp.setBackground(Color.pink);
jf.setDefaultCloseOperation(3);
jp.add(jcb1);
jp.add(jtf1);
jp.add(jtf3);
jp.add(jtf2);
jp.add(jl2);
jp.add(jll1);
jp.add(jcb2);
jp.add(jb);
}
private void dataInit() throws Exception{
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
}catch(ClassNotFoundException e){}
try{
con = DriverManager.getConnection("jdbc:odbc:city");
stmt1=con.createStatement(1005, 1008);
rs1=stmt1.executeQuery("select 省名 from Capital ");
while (rs1.next()){
int 省号=rs1.getInt(1);
String 省名=rs1.getString(2);
}
stmt2=con.CreateStatment();
rs2=stmt2.executeQuery("select 城市名 from Capital2 where 省号=jcb1.getSelectItem()");
while(rs2.next()){
int 省号=rs2.getInt(1);
int 城市号=rs2.getInt(2);
String 城市名=rs2.getString(3);
String 城市描述=rs2.getString(4);
}
con.close();
}catch(Exception e){}
public void jcb1_itemStateChanged(ItemEvent e) {
}
public void jcb1_actionPerformed(ActionEvent e) {
}
public void jb_actionPerformed(ActionEvent e) {
if(e.getSource()==jb)
{
jtf1.setText(jcb1);
jtf2.setText(jcb2);
jtf3.setText();
}
}
public static void main(String[] args) throws Exception
{
new Frame1();
}
}
}
问题点数：10、回复次数：1Top
1 楼mixianger（米香儿）回复于 2006-03-01 14:41:36 得分 0
这段代码的问题在哪里？你自己调试过了吗？你应该讲出你的疑惑，大家才好给你帮助啊。
我看了一下。你的程序的括号匹配有问题。函数main后面有2个“}”，它们分别跟哪个“{”匹配啊？你自己再调试一下吧。Top
