文件加密.java

小型的课程设计

/*
 * 文件加密.java
 *
 * Created on 2008年12月5日, 下午6:16
 */

/* *
 *
 * @author  Administrator
 */
import javax.swing.*;
import java.io.*;
import java.lang.*;
//import org.*; 

public class 文件加密 extends javax.swing.JFrame {

    String wzlj;
    File file;

    /** Creates new form 文件加密 */
    public 文件加密() {
        initComponents();
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        mima = new javax.swing.JTextField();
        chongshumima = new javax.swing.JTextField();
        tishi = new javax.swing.JLabel();
        lujing = new javax.swing.JLabel();
        xuanze = new javax.swing.JButton();
        jiami = new javax.swing.JButton();
        fanhui = new javax.swing.JButton();
        quxiao = new javax.swing.JButton();
        mimats = new javax.swing.JLabel();
        mimacsti = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("文件加密");
        addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyPressed(java.awt.event.KeyEvent evt) {
                formKeyPressed(evt);
            }
        });

        jLabel1.setFont(new java.awt.Font("宋体", 1, 36));
        jLabel1.setText("文件加密");

        jLabel2.setFont(new java.awt.Font("宋体", 1, 14));
        jLabel2.setText("请输入密码：");

        jLabel3.setFont(new java.awt.Font("宋体", 1, 14));
        jLabel3.setText("请重新输入密码：");

        mima.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyPressed(java.awt.event.KeyEvent evt) {
                mimaKeyPressed(evt);
            }
        });

        chongshumima.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyPressed(java.awt.event.KeyEvent evt) {
                chongshumimaKeyPressed(evt);
            }
        });

        tishi.setText("请输入任意长度的大小写字母组合！！！");

        lujing.setText("请选择路径！");

        xuanze.setFont(new java.awt.Font("宋体", 1, 12));
        xuanze.setText("选 择");
        xuanze.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                xuanzeActionPerformed(evt);
            }
        });

        jiami.setFont(new java.awt.Font("宋体", 1, 14)); // NOI18N
        jiami.setText("确定加密");
        jiami.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jiamiActionPerformed(evt);
            }
        });

        fanhui.setFont(new java.awt.Font("宋体", 1, 14));
        fanhui.setText("返  回");
        fanhui.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                fanhuiActionPerformed(evt);
            }
        });

        quxiao.setFont(new java.awt.Font("宋体", 1, 14));
        quxiao.setText("取  消");
        quxiao.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                quxiaoActionPerformed(evt);
            }
        });

        mimats.setForeground(new java.awt.Color(255, 51, 51));

        mimacsti.setForeground(new java.awt.Color(255, 51, 51));

        jLabel4.setText("关于");
        jLabel4.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                jLabel4MouseClicked(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(46, 46, 46)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                    .addComponent(jLabel3)
                                    .addComponent(jLabel2))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                                    .addComponent(mima, javax.swing.GroupLayout.DEFAULT_SIZE, 309, Short.MAX_VALUE)
                                    .addComponent(chongshumima, javax.swing.GroupLayout.DEFAULT_SIZE, 309, Short.MAX_VALUE)))
                            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                                .addGap(76, 76, 76)
                                .addComponent(jiami)
                                .addGap(41, 41, 41)
                                .addComponent(fanhui)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 65, Short.MAX_VALUE)
                                .addComponent(quxiao)))
                        .addGap(6, 6, 6))
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(lujing, javax.swing.GroupLayout.DEFAULT_SIZE, 433, Short.MAX_VALUE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)))
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                        .addComponent(mimacsti, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addComponent(mimats, javax.swing.GroupLayout.DEFAULT_SIZE, 98, Short.MAX_VALUE))
                    .addComponent(xuanze))
                .addContainerGap())
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap(183, Short.MAX_VALUE)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(tishi, javax.swing.GroupLayout.PREFERRED_SIZE, 231, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 183, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(179, 179, 179))
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap(517, Short.MAX_VALUE)
                .addComponent(jLabel4)
                .addGap(52, 52, 52))
        );

        layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] {fanhui, quxiao});

        layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] {mimacsti, mimats});

        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(27, 27, 27)
                .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 42, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(9, 9, 9)
                .addComponent(tishi)
                .addGap(18, 18, 18)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2)
                    .addComponent(mima, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(mimats, javax.swing.GroupLayout.PREFERRED_SIZE, 19, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(27, 27, 27)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel3)
                    .addComponent(chongshumima, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(mimacsti, javax.swing.GroupLayout.PREFERRED_SIZE, 16, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(27, 27, 27)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(xuanze)
                    .addComponent(lujing, javax.swing.GroupLayout.PREFERRED_SIZE, 19, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 33, Short.MAX_VALUE)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(quxiao)
                    .addComponent(fanhui)
                    .addComponent(jiami))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jLabel4)
                .addGap(14, 14, 14))
        );

        layout.linkSize(javax.swing.SwingConstants.VERTICAL, new java.awt.Component[] {fanhui, jiami, quxiao});

        layout.linkSize(javax.swing.SwingConstants.VERTICAL, new java.awt.Component[] {mimacsti, mimats});

        java.awt.Dimension screenSize = java.awt.Toolkit.getDefaultToolkit().getScreenSize();
        setBounds((screenSize.width-601)/2, (screenSize.height-357)/2, 601, 357);
    }// </editor-fold>//GEN-END:initComponents

private void fanhuiActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_fanhuiActionPerformed