基于颜色序列的验证码java源.doc

package com.chb.yanzhengma;import java.awt.Color;import java.awt.EventQueue;import java.awt.Graphics;import javax.swing.JFrame;import javax.swing.JPanel;import javax.swing.JTextField;import javax.swing.JButton;import java.awt.Font;import java.awt.event.ActionListener;import java.awt.event.ActionEvent;import java.awt.event.MouseEvent;import java.awt.event.MouseListener;import java.util.Random;import javax.swing.JEditorPane;import javax.swing.SwingConstants;import java.awt.GridLayout;import javax.swing.JLabel;public class CheckImage Color cl = new Color4;/颜色数组int a =0,1,2,3;int RD=0,0,0,0;String yuanshi=;Random r = new Random();private JFrame frame;JPanel panel = new JPanel();private final JPanel panel_1 = new JPanel();private final JPanel panel_3 = new JPanel();private final JEditorPane editorPane = new JEditorPane();private final JTextField textField = new JTextField();private final JButton btnHuan = new JButton(提交);private final JLabel lblNewLabel = new JLabel(验证码为： );private final JLabel label = new JLabel(验证码区域);private final JLabel label_1 = new JLabel(输入验证码);public static void main(String args) CheckImage window = new CheckImage();/window.createImag();window.frame.setVisible(true);public CheckImage() initialize();private void initialize() /窗口布局frame = new JFrame();frame.setAlwaysOnTop(true);frame.setBounds(100, 100, 450, 300);frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);frame.getContentPane().setLayout(new GridLayout(0, 1, 0, 0);frame.getContentPane().add(panel_1);panel_1.add(label);frame.getContentPane().add(panel);panel.add(label_1);frame.getContentPane().add(panel_3);panel_3.add(lblNewLabel);label.setForeground(Color.RED);/验证码区域设置editorPane.setFont(new Font(宋体, Font.PLAIN, 64);editorPane.setBounds(0, 0, 200, 80);panel_1.add(editorPane);label_1.setForeground(Color.GREEN);/输入区域的设置textField.setFont(new Font(宋体, Font.PLAIN, 55);textField.setColumns(7);textField.setBounds(0, 0, 200, 80);panel.add(textField);lblNewLabel.setFont(new Font(宋体, Font.PLAIN, 25);/按键设置btnHuan.setHorizontalAlignment(SwingConstants.LEFT);btnHuan.setFont(new Font(宋体, Font.PLAIN, 25);panel_3.add(btnHuan);frame.pack();/createImag(editorPane);/点击验证码区域更换图片事件editorPane.addMouseListener(new MouseListener()public void mouseClicked(MouseEvent arg0) textField.setText(null);createImag();editorPane.getCaret().setVisible(false);public void mouseEntered(MouseEvent arg0) public void mouseExited(MouseEvent arg0) public void mousePressed(MouseEvent arg0) public void mouseReleased(MouseEvent arg0) );/点击提交按钮，提交验证码并且验证事件btnHuan.addActionListener(new ActionListener() public void actionPerformed(ActionEvent arg0) String s = textField.getText();if(s!=&s.equals(yuanshi)lblNewLabel.setText(验证码输入正确);elseSystem.out.print(wrong);createImag();textField.setText(null););/*产生n个在0到n无重复数字的随机序列并将这个序列存入一个数组。 * * */void createRandom(int len,int aa)while(len0)Random r1 = new Random();int temp=r1.nextInt(len);int tt = aatemp;aatemp=aalen;aalen=tt;/System.out.println(aalen);len-;/System.out.println(aalen);/产生验证码的方法public void createImag()int lenth=3;/创建随机数类int width = 200, /图片宽度height = 80, /图片高度fontSize = 20, /字体大小codeLength = 4; /验证码长度/获得验证码editorPane区域上下文Graphics g=editorPane.getGraphics();/设置图片的背景颜色并且填充整个区域g.setColor(new Color(255,255,255);g.fillRect(0,0, width, height);/设置字体 g.setFont(new Font(Times New Roman, 0, fontSize); g.setColor(createColor(r,170,200); /画100条干扰线，不让其他程序来识别该图片for(int i=0;i100;i+)int x = r.nextInt(width);int y = r.nextInt(height);int _x = r.nextInt(11);int _y = r.nextInt(11);g.drawLine(x, y, x+_x, y+_y);createRandom(lenth,a);/*我们将顺序产生的四种不同颜色的字符所对应的顺序颜色存入一个颜色数组cl里面； */StringBuffer ssrand = new StringBuffer();for(int i=0;icodeLength;i+)/String rand = String.valueOf(RDi);RDi=r.nextInt(10);String rand = String.valueOf(RDi);ssrand.append(rand);/追加到字符串中cli = new Color(20+r.nextInt(width),20+r.nextInt(width),20+r.nextInt(width),20+r.nextInt(width);g.setColor(cli); int x = (width/(codeLength+4) * i + r.nextInt(width/(codeLength*2); int y = r.nextInt(height-fontSize)+fontSize; g.drawString(rand,x,y); / System.out.print(rand);yuanshi = new String(ssrand);/* * 如产生 的随机序列是3、1、2、0.产生验证码颜色字符为：红8、黑7、绿3、黄4， * 画在验证码图片上的颜色矩形条序列为 黄、黑、绿、红 * 而我们要输入的验证码图片上的颜色序列所对应的字符序列，此列为4738.*/StringBuff