Base64加解密

package com.wang.crud.test;

import java.io.UnsupportedEncodingException;

import org.junit.Test;

import sun.misc.*;

public class Base64 {

	 // 加密  
    public static String getBase64(String str) {  
        byte[] b = null;  
        String s = null;  
        try {  
            b = str.getBytes("utf-8");  
        } catch (UnsupportedEncodingException e) {  
            e.printStackTrace();  
        }  
        if (b != null) {  
            s = new BASE64Encoder().encode(b);  
        }  
        return s;  
    }  
  
    // 解密  
    public static String getFromBase64(String s) {  
        byte[] b = null;  
        String result = null;  
        if (s != null) {  
            BASE64Decoder decoder = new BASE64Decoder();  
            try {  
                b = decoder.decodeBuffer(s);  
                result = new String(b, "utf-8");  
            } catch (Exception e) {  
                e.printStackTrace();  
            }  
        }  
        return result;  
    } 
    
    @Test
    public void test1(){
    	//加密
    	String a = getBase64("61091");
    	System.out.println(a);
    	
    	//解密
    	String b = getFromBase64(a);
    	System.out.println(b);
    }
}