JavaÈçºÎÔÚÎı¾¿òÖмÓÈëÎı¾_javaͼÐνçÃæÔõÑù½«Îı¾ÎļþÀïµÄÊý¾ÝÊäÈëµ½Îı¾¿òºÍ½«Îı¾¿òÖеÄÊý¾ÝÊäÈëµ½ÎÄ ...

importjava.awt.HeadlessException;importjava.awt.event.ActionEvent;importjava.awt.event.ActionListener;importjava.awt.HeadlessException;importjava.awt.event.ActionEvent;im...

import java.awt.HeadlessException;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;import java.awt.HeadlessException;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.HeadlessException;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;import java.awt.HeadlessException;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.JTextField;

import com.action.JframBank;

/**

* ²éѯ½çÃæ

*

* @author Administrator

*

*/

public class BTN1 extends JFrame {

private JButton btn1, btn2;

private JTextField t1;

private JPanel b1 = new JPanel();

private JframBank jfb = null;

public BTN1(String arg0) throws HeadlessException {

super(arg0);

setSize(300, 200);

t1=new JTextField(15);

b1.setName("²éѯ");

btn1 = new JButton("²éѯÓà¶î");

btn1.addActionListener(new B());

btn2 = new JButton("Í˳ö");

btn2.addActionListener(new B());

b1.add(btn1);

b1.add(btn2);

b1.add(t1);

setContentPane(b1);

this.setVisible(true);

}

public JTextField getT1() {

return t1;

}

class B implements ActionListener {

public void actionPerformed(ActionEvent arg0) {

Object o = arg0.getSource();

if (o == btn1) {

Query query = new Query();

query.query(jfb);

}

if (o == btn2) {

jfb.setVisible(true);

}

}

}

}

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileReader;

import java.io.FileWriter;

import java.io.IOException;

import java.io.InputStreamReader;

import javax.swing.JTextField;

/**

* ²éѯ

* @author Administrator

*

*/

public class Query {

private JframBank jframBank;

private JTextField jTextField;

public void query(JframBank jframBank){

this.jframBank=jframBank;

//FileReader fin=null;

try {

//fin=new FileReader("D:/1.txt");

BufferedReader Ia=new BufferedReader(new InputStreamReader(new FileInputStream("D:/1.txt")));

try {

String a=Ia.readLine();

Ia.close();

jTextField=jframBank.getBt1().getT1();

jTextField.setText(a);

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

} catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}

Õ¹¿ª