GUI界面java验证码代码

package com.modle;

import java.awt.Button; import java.awt.Color; import java.awt.Font; import java.awt.Frame; import java.awt.Label;

import java.awt.TextField;

import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.util.Random;

import javax.swing.JOptionPane;

public class YanModel extends Frame{ Button bt = new Button(\核 对\); TextField tf = new TextField(); Label lb = new Label();

Label lbRefresh = new Label(\看不清\); public void lunchFrame(){

this.setBounds(0, 0, 250, 200); this.setLayout(null); this.add(tf);

tf.setBounds(20, 50, 100, 50); this.add(lb);

lb.setBounds(130, 50, 50, 50); lb.setText(makeYanZhengMa());

lb.setBackground(new Color(0).YELLOW); this.add(lbRefresh);

lbRefresh.setFont(new Font(\楷体\,Font.HANGING_BASELINE,12));

lbRefresh.setForeground(new Color(0).BLUE); lbRefresh.setBounds(190, 50, 50, 50);

lbRefresh.addMouseListener(new MouseAdapter(){ //刷新验证码 @Override

public void mouseClicked(MouseEvent e) { lb.setText(makeYanZhengMa()); } });

this.add(bt);

bt.setBounds(100, 120, 30, 30);

bt.addActionListener(new ActionListener(){

@Override

public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub

if(tf.getText().equals(lb.getText())){

JOptionPane.showMessageDialog(null, \验证正确\);

}else{

JOptionPane.showMessageDialog(null, \验证失败\);

} }});

this.addWindowListener(new WindowAdapter(){ @Override

public void windowClosing(WindowEvent e) { // TODO Auto-generated method stub System.exit(0); }

});

this.setVisible(true); }

//产生随机验证码

public String makeYanZhengMa(){ String[] str =

{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\\,\,\,\,\,\,\,\,\,\,\,\,

\,\,\,\,\,\,\,\,\,\,\,\,\,\,\o\,\,\,\,\,\,\,\,\,\,\,\,

\,\,\,\,\,\,\,\,\,\}; Random random = new Random(); int i = random.nextInt(62); int j = random.nextInt(62); int k = random.nextInt(62); int z = random.nextInt(62); int x = random.nextInt(62); int y = random.nextInt(62);

return str[i]+str[j]+str[k]+str[z]+str[x]+str[y]; }

public static void main(String[] args) { new YanModel().lunchFrame(); } }