[Java] 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;
 }
 
}