MD5加密(Java实现图形化界面).docx

MD5加密（Java实现图形化界面）效果图如下：有三个java类来完成分别为MD5View（视图）、MD5Service（MD5加密）、MD5Main（主方法类）MD5View（视图）package com.md5.view;import java.awt.Container;import java.awt.FlowLayout;import java.awt.GridLayout;import java.awt.Image;import java.awt.Toolkit;import java.awt.datatransfer.Clipboard;import java.awt.datatransfer.StringSelection;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.text.SimpleDateFormat;import java.util.Date;import java.util.Locale;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JOptionPane;import javax.swing.JPanel;import javax.swing.JTextField;import com.md5.service.MD5Service;/* * MD5加密图形界面 * * author xlfdzhf */public class MD5View extends JFrame implements Runnableprivate static final long serialVersionUID = 1L;private Container container;private JTextField md5Encrypt;private JLabel time;private JTextField md5EncryptedUp32;private JTextField md5EncryptedLow32;private JTextField md5EncryptedUp16;private JTextField md5EncryptedLow16;private MD5Service md5Service;private Clipboard clip=Toolkit.getDefaultToolkit().getSystemClipboard();public MD5View()JFrame md5=new JFrame(MD5加密);Image md5image = Toolkit.getDefaultToolkit().getImage(image/md5.jpg);md5.setIconImage(md5image);md5.setVisible(true);md5.setLocation(400, 300);md5.setSize(600, 400);md5.setResizable(false);md5.setLayout(new GridLayout(8,1,10,10);md5.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);container=md5.getContentPane();/标题JPanel md5Panel=new JPanel();md5Panel.setLayout(new FlowLayout(FlowLayout.RIGHT,20,1);JButton clean=new JButton(清空所有内容);JButton trim=new JButton(去掉明文首尾空格);time=new JLabel();clean.addActionListener(new ButtonActionListener();trim.addActionListener(new ButtonActionListener();md5Panel.add(clean);md5Panel.add(trim);md5Panel.add(time);/明文JPanel inputPanel=new JPanel();inputPanel.setLayout(new FlowLayout();JLabel inputLabel=new JLabel(您请输入明文:);md5Encrypt=new JTextField(30);JButton encrypt=new JButton(使用MD5加密明文);encrypt.addActionListener(new ButtonActionListener();inputPanel.add(inputLabel);inputPanel.add(md5Encrypt);inputPanel.add(encrypt);/32位MD5大写JPanel md5Up32Panel=new JPanel();md5Up32Panel.setLayout(new FlowLayout();JLabel md5Up32Label=new JLabel(32位MD5大写:);md5EncryptedUp32=new JTextField(30);md5EncryptedUp32.setEditable(false);JButton copyUp32=new JButton(复制32位MD5大写);copyUp32.addActionListener(new ButtonActionListener();md5Up32Panel.add(md5Up32Label);md5Up32Panel.add(md5EncryptedUp32);md5Up32Panel.add(copyUp32);/32位MD5小写JPanel md5Low32Panel=new JPanel();md5Low32Panel.setLayout(new FlowLayout();JLabel md5Low32Label=new JLabel(32位MD5小写:);md5EncryptedLow32=new JTextField(30);md5EncryptedLow32.setEditable(false);JButton copyLow32=new JButton(复制32位MD5小写);copyLow32.addActionListener(new ButtonActionListener();md5Low32Panel.add(md5Low32Label);md5Low32Panel.add(md5EncryptedLow32);md5Low32Panel.add(copyLow32);/16位MD5大写JPanel md5Up16Panel=new JPanel();md5Up16Panel.setLayout(new FlowLayout();JLabel md5Up16Label=new JLabel(16位MD5大写:);md5EncryptedUp16=new JTextField(30);md5EncryptedUp16.setEditable(false);JButton copyUp16=new JButton(复制16位MD5大写);copyUp16.addActionListener(new ButtonActionListener();md5Up16Panel.add(md5Up16Label);md5Up16Panel.add(md5EncryptedUp16);md5Up16Panel.add(copyUp16);/16位MD5小写JPanel md5Low16Panel=new JPanel();md5Low16Panel.setLayout(new FlowLayout();JLabel md5Low16Label=new JLabel(16位MD5小写:);md5EncryptedLow16=new JTextField(30);md5EncryptedLow16.setEditable(false);JButton copyLow16=new JButton(复制16位MD5小写);copyLow16.addActionListener(new ButtonActionListener();md5Low16Panel.add(md5Low16Label);md5Low16Panel.add(md5EncryptedLow16);md5Low16Panel.add(copyLow16);/版本信息JPanel md5AboutPanel=new JPanel();md5AboutPanel.setLayout(new FlowLayout(FlowLayout.CENTER,20,1);JLabel md5VersionLabel=new JLabel(Version:2013.01.17);JLabel md5AuthorLabel=new JLabel(Author:xlfdzhf);md5AboutPanel.add(md5VersionLabel);md5AboutPanel.add(md5AuthorLabel);container.add(md5Panel);container.add(inputPanel);container.add(md5Up32Panel);container.add(md5Low32Panel);container.add(md5Up16Panel);container.add(md5Low16Panel);container.add(md5AboutPanel);public class ButtonActionListener implements ActionListenerOverridepublic void actionPerformed(ActionEvent e) JButton button=(JButton)e.getSource();if(button.getActionCommand().equals(清空所有内容)md5Encrypt.setText();md5EncryptedUp32.setText();md5EncryptedLow32.setText();md5EncryptedUp16.setText();md5EncryptedLow16.setText();else if(button.getActionCommand().equals(去掉明文首尾空格)md5Encrypt.setText(md5Encrypt.getText().trim();else if(button.getActionCommand().equals(使用MD5加密明文)md5Service=new MD5Service(md5Encrypt.getText();md5EncryptedUp32.setText(md5Service.getMd5EncryptedUp32();md5EncryptedLow32.setText(md5Service.getMd5EncryptedLow32();md5EncryptedUp16.setText(md5Service.getMd5EncryptedUp16();md5EncryptedLow16.setText(md5Service.getMd5EncryptedLow16();else if(button.getActionCommand().equals(复制32位MD5大写)clip.setContents(new StringSelection(md5EncryptedUp32.getText(), null);JOptionPane.showMessageDialog(container,已复制到剪贴板!, 系统信息, JOptionPane.INFORMATION_MESSAGE);else if(button.getActionCommand().equals(复制32位MD5小写)clip.setContents(new StringSelection(md5EncryptedLow32.getText(), null);JOptionPane.showMessageDialog(container,已复制到剪贴板!, 系统信息, JOptionPane.INFORMATION_MESSAGE);else if(button.getActionCommand().equals(复制16位MD5大写)clip.setContents(new StringSelection(md5EncryptedUp16.getText(), null);JOptionPane.showMessageDialog(container,已复制到剪贴板!, 系统信息, JOptionPane.INFORMATION_MESSAGE);else if(button.getActionCommand().equals(复制16位MD5小写)clip.setContents(new StringSelection(md5EncryptedLow16.getText(), null);JOptionPane.showMessageDialog(container,已复制到剪贴板!, 系统信息, JOptionPane.INFORMATION_MESSAGE);Overridepublic void run() while(true)Date date=new Date();SimpleDateFormat sfm=new SimpleDateFormat(yyyy-MM-dd a hh:mm:ss,Locale.ENGLISH);String dateTime= +sfm.format(date).toLowerCase();time.setText(dateTime);try Thread.sleep(1000); catch (InterruptedException e) MD5Service（MD5加密）package com.md5.service;import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;/* * MD5加密算法 * * author xlfdzhf */public class MD5Service private String md5EncryptedUp32;private String md5EncryptedLow32;private String md5EncryptedUp16;private String md5EncryptedLow16;public MD5Service(String str)try MessageDigest md = MessageDigest.getInstance(MD5);md.update(str.getBytes();byte b = md.digest();int i;StringBuffer buf = new StringBuffer();for(int offset = 0; offset b.length; offset+)i = boffset;if(i0)i+= 256;if(i16)buf.append(0);buf.append(Integer.