原方法
BASE64Encoder encoder = new BASE64Encoder();
String imagestr = (captcha);
BASE64Decoder decoder = new BASE64Decoder();
byte[] bytes = (imagestr);
现方法
import .
import .
Encoder encoder = ();
String result = (byteArray);
Decoder decoder = ();
byte[] result = (str);
原因是/lib/和/lib/已经从Java SE 9中删除
转载于/Cha0DD/article/details/87794268.