jsp,java中文乱码问题另类解决方案，jni加密、解密编码

/** * TODO */ package com.itlt.tiancheng.util; import java.io.*; /** * 加密解密处理 * @author aeolianer * @created 2006-12-16 * */ public class Des64 { public static boolean isInit=false; public static boolean init(String dll_name, String ext_name){ try { //Finds a stream to the dll. Change path/class if necessary Des64 de = new Des64(); InputStream inputStream = de.getClass().getResource("/"+dll_name+ext_name).openStream(); //复制动态库文，然后再载入，防止多项目时，不能重复载入 File temporaryDll = File.createTempFile(dll_name, ext_name); FileOutputStream outputStream = new FileOutputStream(temporaryDll); byte[] array = new byte[8192]; for (int i = inputStream.read(array); i != -1; i = inputStream.read(array)) { outputStream.write(array, 0, i); } outputStream.close(); temporaryDll.deleteOnExit(); String path = temporaryDll.getPath(); // System.out.println("load path="+path); System.load(path); return true; } catch(Throwable e) { e.printStackTrace(); return false; } } public static void init(){ String dll_name = "Des64";//dll名 String ext_name = ".dll";//扩展名 boolean status = false; if(File.separator.equals("/")){ ext_name = ".so"; dll_name = "lib"+dll_name; status = init(dll_name, ext_name); } else{ status = init(dll_name, ext_name); // status = initLinux(dll_name, ext_name); } isInit = true; System.out.println("load status="+status); } /** * 随机产生临时文件 * @param path * @return */ private File createTempDirectory(String path){ String temp_path = path+"/"+Math.round((Math.random()*200))+"/"; File directory = new File(temp_path); System.out.println("temp_path="+temp_path); if(directory.exists()){ return createTempDirectory(path); } return directory; } public Des64() { // System.out.println("==========111111111Des64==========="); // String dll_name = "Des64";//dll名 // String ext_name = ".dll";//扩展名 // boolean status = false; // if(File.separator.equals("/")){ // ext_name = ".so"; // dll_name = "lib"+dll_name; // status = init(dll_name, ext_name); // } // else{ // status = init(dll_name, ext_name); //// status = initLinux(dll_name, ext_name); // } // System.out.println("load status="+status); // System.loadLibrary("Des64"); } public native String enc(String value, String key); public native String dec(String value, String key); private static final String KEY_VALUE="doingsky"; public static String enCode(String value){ if(!isInit){ init(); } String value_code = null; Des64 de = new Des64(); if(value!=null){ value_code = de.enc(value, KEY_VALUE); } return value_code; } public static String deCode(String value_code){ if(!isInit){ init(); } String value = null; Des64 de = new Des64(); if(value_code!=null){ value = de.dec(value_code, KEY_VALUE); } return value; } public static void main(String[] args){ String key = "1234ABCD"; String value = "测试 helloworld 12345678"; String encryptValue = null; System.out.println("===============加密测试==========="); System.out.println("原文:"+value); // System.out.println("密码:"+key); encryptValue = Des64.enCode(value); System.out.println("密文:"+encryptValue); System.out.println("解密:"+Des64.deCode(encryptValue)); System.out.println("解密1:"+Des64.deCode(encryptValue)); System.out.println("解密2:"+Des64.deCode(encryptValue)); System.out.println("解密3:"+Des64.deCode(encryptValue)); // Des64 de = new Des64(); // // encryptValue = de.enc(value, key); // System.out.println("加密密文(返回值):"+encryptValue); // // System.out.println(); // System.out.println(); // System.out.println(); // // System.out.println("===============解密测试==========="); // System.out.println("密文"+encryptValue); // System.out.println("密码:"+key); // System.out.println("解密明文:(返回值)"+de.dec(encryptValue, key)); } }