Java8 Base64 加密解密

import java.io.UnsupportedEncodingException;
import java.nio.charset.StandardCharsets;
import java.util.Base64;
 
public class Demo {
 
    public static void main(String[] args) throws UnsupportedEncodingException {
        String str = "hello Base64 啊啊\n" +
                "ADCDEFG";
        //编码加密
        String encodeStr = Base64.getEncoder().encodeToString(str.getBytes("UTF-8"));
        System.out.println("加密后的字符串为:" + encodeStr);
 
        //解码解密
        String decoderStr = new String(Base64.getDecoder().decode(encodeStr), StandardCharsets.UTF_8); //
        // 推荐使用StandardCharsets类指定
        System.out.println("解密后的字符串为" + decoderStr);
 
    }

}