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package xyz.slienceme;
/*
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* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
/**
* @Author slience_me
* @Time : 2021/5/5 19:36
* @File : Encrypt.java
* @Software : IntelliJ IDEA
*/
public class Encrypt extends javax.swing.JFrame {
/**
* Creates new form Encrypt
*/
public Encrypt() {
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")
// //GEN-BEGIN:initComponents
private void initComponents() {
savePathTxt = new javax.swing.JTextField();
savePathBtn = new javax.swing.JButton();
filePathBtn = new javax.swing.JButton();
SimEncryBtn = new javax.swing.JButton();
ComDecryBtn = new javax.swing.JButton();
SimDecryBtn = new javax.swing.JButton();
ComEncryBtn = new javax.swing.JButton();
jLabel1 = new javax.swing.JLabel();
filePathTxt = new javax.swing.JTextField();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
savePathTxt.setToolTipText("");
savePathTxt.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
savePathTxtActionPerformed(evt);
}
});
savePathBtn.setText("保存路径：");
savePathBtn.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
savePathBtnActionPerformed(evt);
}
});
filePathBtn.setText("文件路径：");
filePathBtn.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
filePathBtnActionPerformed(evt);
}
});
SimEncryBtn.setText("简单加密");
SimEncryBtn.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
SimEncryBtnActionPerformed(evt);
}
});
ComDecryBtn.setText("复杂解密");
ComDecryBtn.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
ComDecryBtnActionPerformed(evt);
}
});
SimDecryBtn.setText("简单解密");
SimDecryBtn.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
SimDecryBtnActionPerformed(evt);
}
});
ComEncryBtn.setText("复杂加密");
ComEncryBtn.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
ComEncryBtnActionPerformed(evt);
}
});
jLabel1.setFont(new java.awt.Font("微软雅黑", 1, 18)); // NOI18N
jLabel1.setText("文件加密小助手");
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(54, 54, 54)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(filePathBtn)
.addComponent(savePathBtn))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addComponent(filePathTxt, javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(savePathTxt, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 337, Short.MAX_VALUE)))
.addGroup(layout.createSequentialGroup()
.addGap(209, 209, 209)
.addComponent(jLabel1))
.addGroup(layout.createSequentialGroup()
.addGap(75, 75, 75)
.addComponent(SimEncryBtn)
.addGap(27, 27, 27)
.addComponent(SimDecryBtn)
.addGap(18, 18, 18)
.addComponent(ComEncryBtn)
.addGap(18, 18, 18)
.addComponent(ComDecryBtn)))
.addContainerGap(57, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(22, 22, 22)
.addComponent(jLabel1)
.addGap(39, 39, 39)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(savePathTxt, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(savePathBtn))
.addGap(33, 33, 33)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(filePathBtn)
.addComponent(filePathTxt, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(40, 40, 40)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(SimEncryBtn)
.addComponent(SimDecryBtn)
.addComponent(ComEncryBtn)
.addComponent(ComDecryBtn))
.addContainerGap(89, Short.MAX_VALUE))
);
pack();
}// //GEN-END:initComponents
private void savePathTxtActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_savePathTxtActionPerformed
// TODO add your handling code here:
}//GEN-LAST:event_savePathTxtActionPerformed
private void filePathBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_filePathBtnActionPerformed
// TODO add your handling code here:
// TODO add your handling code here:
JFileChooser jfc = new JFileChooser();// 文件选择器
// 设定只能选择到文件夹
jfc.setFileSelectionMode(0);
// 此句是打开文件选择器界面的触发语句
jfc.setCurrentDirectory(new File("D://1Amycode//Java//CourseDesign"));
int state = jfc.showOpenDialog(null);// 此句是打开文件选择器界面的触发语句
if (state == 1) {
return;// 撤销则返回
} else {
File f = jfc.getSelectedFile();//
filePathTxt.setText(f.getAbsolutePath());
}
}//GEN-LAST:event_filePathBtnActionPerformed
private void SimEncryBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_SimEncryBtnActionPerformed
// TODO add your handling code here:
String newpath = savePathTxt.getText().trim();
System.out.println("SimEncryBtnActionPerformed=" + newpath);
String oldpath = filePathTxt.getText().trim();
System.out.println("SimEncryBtnActionPerformed=" + oldpath);
if (newpath.equals("")) {
JOptionPane.showMessageDialog(null, "请选择输出路径！", "提示", 2);
} else if (filePathTxt.getText().equals("")) {
JOptionPane.showMessageDialog(null, "请选择文件！", "提示", 2);
} else {
File file = new File(oldpath);
//文件类型
String filetype=file.getName().substring(file.getName().lastIndexOf("."),file.getName().length());
System.out.println("filetype=" + filetype);
//文件前缀
String fileprefix=file.getName().substring(0,file.getName().lastIndexOf("."));
System.out.println("fileprefix=" + fileprefix);
String newFilepath = newpath + "\\"+ "SimEncrypt" + fileprefix + filetype;
System.out.println("newFilepath=" + newFilepath);
if (!file.exists()) {
try {
file.createNewFile();
} catch (IOException e1) {
// TODO Auto-generated catch block
JOptionPane.showMessageDialog(null, "路径不正确！", "提示", 2);
}
}
// creatPath(newpath);//检查路径是否存在，不存在创建新路径
try {
SimEncryption(oldpath, newFilepath);
} catch (IOException ex) {
Logger.getLogger(Encrypt.class.getName()).log(Level.SEVERE, null, ex);
}
JOptionPane.showMessageDialog(null, "简单加密完成！", "提示", 2);
}
}//GEN-LAST:event_SimEncryBtnActionPerformed
private void savePathBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_savePathBtnActionPerformed
// TODO add your handling code here:
JFileChooser jfc = new JFileChooser();// 文件选择器
// 设定只能选择到文件夹
jfc.setFileSelectionMode(1);
// 此句是打开文件选择器界面的触发语句
jfc.setCurrentDirectory(new File("D://1Amycode//Java//CourseDesign"));
int state = jfc.showOpenDialog(null);
if (state == 1) {
return;
} else {
File f = jfc.getSelectedFile();// f为选择到的目录
savePathTxt.setText(f.getAbsolutePath());
}
}//GEN-LAST:event_savePathBtnActionPerformed
private void ComDecryBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_ComDecryBtnActionPerformed
String newpath = savePathTxt.getText().trim();
System.out.println("ComEncryBtnActionPerformed=" + newpath);
String oldpath = filePathTxt.getText().trim();
System.out.println("ComEncryBtnActionPerformed=" + oldpath);
if (newpath.equals("")) {
JOptionPane.showMessageDialog(null, "请选择输出路径！", "提示", 2);
} else if (filePathTxt.getText().equals("")) {
JOptionPane.showMessageDialog(null, "请选择文件！", "提示", 2);
} else {
File file = new File(oldpath);
//文件类型
String filetype=file.getName().substring(file.getName().lastIndexOf("."),file.getName().length());
System.out.println("filetype=" + filetype);
//文件前缀
String fileprefix=file.getName().substring(0,file.getName().lastIndexOf("."));
System.out.println("fileprefix=" + fileprefix);
String newFilepath = newpath + "\\"+ "ComDe_" + fileprefix + filetype;
System.out.println("newFilepath=" + newFilepath);
if (!file.exists()) {
try {
file.createNewFile();
} catch (IOException e1) {
// TODO Auto-generated catch block
JOptionPane.showMessageDialog(null, "路径不正确！", "提示", 2);
}
}
// creatPath(newpath);//检查路径是否存在，不存在创建新路径
try {
ComDecryption(oldpath, newFilepath);
} catch (IOException ex) {
Logger.getLogger(Encrypt.class.getName()).log(Level.SEVERE, null, ex);
}
JOptionPane.showMessageDialog(null, "复杂解密完成！", "提示", 2);
}
}//GEN-LAST:event_ComDecryBtnActionPerformed
private void SimDecryBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_SimDecryBtnActionPerformed
// TODO add your handling code here:
// 存储的位置
String newpath = savePathTxt.getText().trim();
System.out.println("SimEncryBtnActionPerformed=" + newpath);
// 加密的文件
String oldpath = filePathTxt.getText().trim();
System.out.println("SimEncryBtnActionPerformed=" + oldpath);
if (newpath.equals("")) {
JOptionPane.showMessageDialog(null, "请选择输出路径！", "提示", 2);
} else if (filePathTxt.getText().equals("")) {
JOptionPane.showMessageDialog(null, "请选择文件！", "提示", 2);
} else {
File file = new File(oldpath);
//文件类型
String filetype=file.getName().substring(file.getName().lastIndexOf("."),file.getName().length());
System.out.println("filetype=" + filetype);
//文件前缀
String fileprefix=file.getName().substring(0,file.getName().lastIndexOf("."));
System.out.println("fileprefix=" + fileprefix);
String newFilepath = newpath + "\\"+ "SimDe_" + fileprefix+ filetype;
System.out.println("newFilepath=" + newFilepath);
if (!file.exists()) {
try {
file.createNewFile();
} catch (IOException e1) {
// TODO Auto-generated catch block
JOptionPane.showMessageDialog(null, "路径不正确！", "提示", 2);
}
}
creatPath(newpath);//检查路径是否存在，不存在创建新路径
try {
SimDecryption(oldpath, newFilepath);
} catch (IOException ex) {
Logger.getLogger(Encrypt.class.getName()).log(Level.SEVERE, null, ex);
}
JOptionPane.showMessageDialog(null, "简单解密完成！", "提示", 2);
}
}//GEN-LAST:event_SimDecryBtnActionPerformed
private void ComEncryBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_ComEncryBtnActionPerformed
// 存储的位置
String newpath = savePathTxt.getText().trim();
System.out.println("ComEncryBtnActionPerformed=" + newpath);
// 加密的文件
String oldpath = filePathTxt.getText().trim();
System.out.println("ComEncryBtnActionPerformed=" + oldpath);
if (newpath.equals("")) {
JOptionPane.showMessageDialog(null, "请选择输出路径！", "提示", 2);
} else if (filePathTxt.getText().equals("")) {
JOptionPane.showMessageDialog(null, "请选择文件！", "提示", 2);
} else {
File file = new File(oldpath);
//文件类型
String filetype=file.getName().substring(file.getName().lastIndexOf("."),file.getName().length());
// System.out.println("filetype=" + filetype);
//文件前缀
String fileprefix=file.getName().substring(0,file.getName().lastIndexOf("."));
// System.out.println("fileprefix=" + fileprefix);
String newFilepath = newpath + "\\"+ "ComEncrypt" + fileprefix + filetype;
// System.out.println("newFilepath=" + newFilepath);
if (!file.exists()) {
try {
file.createNewFile();
} catch (IOException e1) {
// TODO Auto-generated catch block
JOptionPane.showMessageDialog(null, "路径不正确！", "提示", 2);
}
}
creatPath(newpath);//检查路径是否存在，不存在创建新路径
try {
ComEncryption(oldpath, newFilepath);
} catch (IOException ex) {
Logger.getLogger(Encrypt.class.getName()).log(Level.SEVERE, null, ex);
}
JOptionPane.showMessageDialog(null, "复杂加密完成！", "提示", 2);
}
}//GEN-LAST:event_ComEncryBtnActionPerformed
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(Encrypt.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(Encrypt.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(Encrypt.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(Encrypt.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new Encrypt().setVisible(true);
}
});
}
//根据路径处理，如果不存在创建路径
public void creatPath(String oldpath) {
String temppath = oldpath.replace(oldpath.substring(oldpath.lastIndexOf("\\"), oldpath.length()), "");
File file = new File(temppath);
if (!file.exists()) {
file.mkdir();
System.out.println("路径不存在,但是已经成功创建了" + temppath);
}
}
public void SimEncryption(String oldpath, String newpath) throws IOException {
// 文件路径
File file = new File(oldpath);
// 输入流
FileInputStream inputFile = new FileInputStream(file);
// 输出流
FileWriter fw = new FileWriter(newpath);
byte[] buffer = new byte[(int) file.length()];
// read(byte[] b)方法：从此输入流中将最多b.length个字节的数据读入一个字节数组中
inputFile.read(buffer);
inputFile.close();
for (int i = 0; i < buffer.length; i++) {
// System.out.println(buffer[i]);
buffer[i] += 3;
fw.write(buffer[i]);
}
fw.close();
}
public void SimDecryption(String oldpath, String newpath) throws IOException {
// 文件路径
File file = new File(oldpath);
// 输入流
FileInputStream inputFile = new FileInputStream(file);
// 输出流
FileWriter fw = new FileWriter(newpath);
byte[] buffer = new byte[(int) file.length()];
// read(byte[] b)方法：从此输入流中将最多b.length个字节的数据读入一个字节数组中
inputFile.read(buffer);
inputFile.close();
for (int i = 0; i < buffer.length; i++) {
// System.out.println(buffer[i]);
buffer[i] -= 3;
fw.write(buffer[i]);
}
fw.close();
}
public void ComEncryption(String oldpath, String newpath) throws IOException {
// 文件路径
File file = new File(oldpath);
// 输入流
FileInputStream inputFile = new FileInputStream(file);
// 输出流
FileWriter fw = new FileWriter(newpath);
byte[] buffer = new byte[(int) file.length()];
// read(byte[] b)方法：从此输入流中将最多b.length个字节的数据读入一个字节数组中
inputFile.read(buffer);
inputFile.close();
String string = new String(buffer);
String result = "";
System.out.println("string="+ string.toString());
for (int i = 0; i < string.length(); i++) {
char x = string.toString().charAt(i);
if(x >= 'a' && x = 'n' && x = 'A' && x = 'N' && x ='0' && x='6' && x
Original: https://www.cnblogs.com/Slience-me/p/16341903.html
Author: Slience_me
Title: 【java课设+源代码+注释+文档】文件加密
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