关于绿盾解密功能java代码。

来源：互联网发布：java 调用rs232串口编辑：程序博客网时间：2024/05/01 23:08
其实也就是个文件夹复制功能,解密前提需要绿盾支持该编程工具，在编程工具中运行该代码（其中原理自己去琢磨咯）。
<span style="font-size:14px;">package com.core;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.InputStream;import java.text.DecimalFormat;/** * @Classname: Decrypt * @Description: TODO * @Author: chenn_xu@sina.cn * @Date: 2015年10月16日 上午11:04:32 * @Version:V1.0 */public class Decrypt {//待解密的文件夹路径private static String rootFolderPath = getFullpath("E:","decrypt_dev");//待解密文件夹路径中的文件夹private static String replace = "decrypt_new";//被替换的文件夹private static String beReplaced = "decrypt_dev";//解密文件数private static Integer fileCount = 0;//解密文件大小private static Long fileSize = new Long(0);public static void main(String[] args) {try {Long startTime = System.currentTimeMillis();decryptFolder(new File(rootFolderPath));System.out.println("------------------------------------------------------------------------------------------------");System.out.print("解密完成,共计耗时："+new DecimalFormat("0.00").format((double)(System.currentTimeMillis()-startTime)/1000)+"s");System.out.print("\t共计文件："+fileCount+"个");System.out.print("\t共计文件大小："+new DecimalFormat(",##0.00").format((double)fileSize/1024/1024/1024)+"GB");System.out.print(" = "+new DecimalFormat(",##0.00").format((double)fileSize/1024/1024)+"mb");System.out.println(" = "+new DecimalFormat(",##0.00").format((double)fileSize/1024)+"kb");} catch (Exception e) {e.printStackTrace();}}/** * @Methodname: getFullpath  * @Discription: TODO 拼接完整的路径  根据操作系统拼接连接符 * @param dir 路径 * @return */private static String getFullpath(String... dir){StringBuffer fullPath = new StringBuffer("");for (int i = 0; i < dir.length; i++) {fullPath.append(dir[i]);if (dir.length-1!=i) {fullPath.append(File.separator);}}return fullPath.toString();}/** * @Methodname: decryptFolder * @Discription: TODO 解密整个文件夹 * @param folder 文件夹 * @throws Exception */private static void decryptFolder(File folder)throws Exception {if (!folder.isDirectory()) {return;}File[] files = folder.listFiles();for (File file : files) {if (file.isFile()) {//进行解密操作decryptFile(file);fileCount ++;fileSize += file.length();continue ;}//创建文件夹File childFolder =new File(getFullpath(folder.getPath(),file.getName()));File newChilFolder =new File(childFolder.getPath().replaceFirst(beReplaced,replace));if (newChilFolder.exists()) {newChilFolder.delete();}newChilFolder.mkdir();//进行递归decryptFolder(childFolder);}}private static void decryptFile(File file){try {        File newFile = new File(file.getPath().replaceFirst(beReplaced,replace));        if (newFile.exists()) {        newFile.delete();}        newFile.createNewFile();        FileOutputStream output = new FileOutputStream(newFile);        InputStream input = new FileInputStream(file);        int length = -1;        byte[] _byte = new byte[8000];System.out.println(file.getPath());int sum = input.available();System.out.print("文件名："+file.getPath());System.out.print("\t文件大小："+new DecimalFormat("0.00").format((double)file.length()/1024)+"kb");System.out.print("\t已解密大小："+new DecimalFormat("0.00").format((double)(file.length()-input.available())/1024)+"kb");System.out.println("\t已解密比例："+(sum==0?"100%":new DecimalFormat("0.00%").format((double)(sum-input.available())/sum))+"kb");        while ((length=input.read(_byte))!=-1) {        System.out.print("文件名："+file.getPath());System.out.print("\t文件大小："+new DecimalFormat("0.00").format((double)file.length()/1024)+"kb");System.out.print("\t已解密大小："+new DecimalFormat("0.00").format((double)(file.length()-input.available())/1024)+"kb");System.out.println("\t已解密比例："+(sum==0?"100%":new DecimalFormat("0.00%").format((double)(sum-input.available())/sum)));output.write(_byte, 0, length);}        System.out.println();        input.close();        output.close();} catch (Exception e) {e.printStackTrace();}    }}</span>
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