Base64 api

• jdk8之前

import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;
 
public class Main {
 
    public static void main(String[] args) throws Exception {
        BASE64Encoder encoder = new BASE64Encoder();
        BASE64Decoder decoder = new BASE64Decoder();
        String text = "小滴课堂";
        byte[] textByte = text.getBytes("UTF-8");
        //编码
        String encodedText = encoder.encode(textByte);
        System.out.println(encodedText);
        //解码
        System.out.println(new String(decoder.decodeBuffer(encodedText),"UTF-8"));
    }
 
}

• jdk8之后

import java.util.Base64;
 
public class Main {
 
    public static void main(String[] args) throws Exception {
        Base64.Encoder  encoder  =  Base64.getEncoder();
        Base64.Decoder decoder = Base64.getDecoder();
        String text = "小滴课堂";
        byte[] textByte = text.getBytes("UTF-8");
        //编码
        String encodedText = encoder.encodeToString(textByte);
        System.out.println(encodedText);
        //解码
        System.out.println(new String(decoder.decode(encodedText),"UTF-8"));
    }
 
}