java使用Base64编码实例

package com.weiwen.provider.utils;

import java.io.ioexception;

import com.alibaba.fastjson.json;

import lombok.extern.slf4j.slf4j;

import org.junit.test;

import sun.misc.base64encoder;

import sun.misc.base64decoder;

@slf4j

public class base64 {

   @test

   public void testbase64() throws ioexception {

    // base64编码

    string s = "1f2bc1970a2eb19aabc0f94acea922717a1ae998603ff0593baff" ;

    base64encoder encoder = new base64encoder();

    s = encoder.encode(s.getbytes( "utf-8" ));

//   system.out.println(s);

    log.info( "base64编码为：{}" , json.tojsonstring(s));

    // base64解码

    base64decoder decoder = new base64decoder();

    byte [] bytes = decoder.decodebuffer(s);

//   system.out.println(new string(bytes, "utf-8"));

    log.info( "base64解码为：{}" , json.tojsonstring( new string(bytes, "utf-8" )));

   }

  }

package com.weiwen.provider.utils;

import java.io.ioexception;

import com.alibaba.fastjson.json;

import lombok.extern.slf4j.slf4j;

import org.junit.test;

import sun.misc.base64encoder;

import sun.misc.base64decoder;

@slf4j

public class base64 {

  /**

   * base64 编码

   * @param encodetext

   * @return

   * @throws ioexception

   */

  public static string base64encode(string encodetext) throws ioexception{

   base64encoder encoder = new base64encoder();

   string str = encoder.encode(encodetext.getbytes( "utf-8" ));

   log.info( "base64编码为：{}" , json.tojsonstring(str));

   return str;

  }

  /**

   * base64 解码

   * @param decodetext

   * @return

   * @throws ioexception

   */

  public static byte [] base64decode(string decodetext) throws ioexception{

    base64decoder decoder = new base64decoder();

    byte [] bytes = decoder.decodebuffer(decodetext);

    log.info( "base64解码为：{}" , json.tojsonstring( new string(bytes, "utf-8" )));

    return bytes;

  }

}