idea编译报错 sun.misc.BASE64Decoder升级处理

idea编译报错 sun.misc.BASE64Decoder升级处理

警告:
17:01:15 /deploy/jenkins/workspace/auto-java-test/utils/ImageBase64Utils.java:67: warning: BASE64Encoder is internal proprietary API and may be removed in a future release
17:01:15 BASE64Encoder encoder = new BASE64Encoder();

import sun.misc.BASE64Decoder;

替代写法:
//从JDK 1.8开始,就提供了java.util.Base64.Decoder和java.util.Base64.Encoder的JDK公共API,可代替sun.misc.BASE64Decoder和sun.misc.BASE64Encoder的JDK内部API。
//byte[] bytes = new BASE64Decoder().decodeBuffer(base64);
byte[] bytes = Base64.getDecoder().decode(base64);

//或者使用方法
import org.apache.commons.codec.binary.Base64;
return Base64.encodeBase64String(encrypted);

demo测试类

@Test
    public void test2() throws Exception{
        //从JDK 1.8开始,就提供了java.util.Base64.Decoder和java.util.Base64.Encoder的JDK公共API,可代替sun.misc.BASE64Decoder和sun.misc.BASE64Encoder的JDK内部API。
        //byte[] bytes = new BASE64Decoder().decodeBuffer(base64);

        System.out.println("-----------------------早期写法----------------------");
        String text = "字串文字";
         BASE64Encoder encoder = new BASE64Encoder();
         BASE64Decoder decoder = new BASE64Decoder();
         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"));

        /**
         * 与sun.mis c套件和Apache Commons Codec所提供的Base64编解码器来比较的话,Java 8提供的Base64拥有更好的效能。实际测试编码与解码速度的话,Java 8提供的Base64,要比sun.mis c套件提供的还要快至少11倍,比Apache Commons Codec提供的还要快至少3倍。因此在Java上若要使用Base64,这个Java 8底下的java .util套件所提供的Base64类别绝对是首选!
         * https://blog.csdn.net/zhou_kapenter/article/details/62890262
         */
        System.out.println("-----------------------新的写法----------------------");
        byte[] test11 = Base64.getEncoder().encode(textByte);
        System.out.println("test11字符串="+new String(test11, "UTF-8"));
        byte[] bytes11 = Base64.getDecoder().decode(test11);
        System.out.println("test11="+new String(bytes11, "UTF-8"));

        System.out.println("-----------------------apache写法----------------------");
        String test22 = org.apache.tomcat.util.codec.binary.Base64.encodeBase64String(textByte);
        System.out.println("test22字符串="+test22);
        byte[] bytes22 = org.apache.tomcat.util.codec.binary.Base64.decodeBase64(test22);
        System.out.println("test22="+new String(bytes22, "UTF-8"));

        /**
         * 打印效果: 结果一致
         * -----------------------早期写法----------------------
         * 5a2X5Liy5paH5a2X
         * 字串文字
         * -----------------------新的写法----------------------
         * test11字符串=5a2X5Liy5paH5a2X
         * test11=字串文字
         * -----------------------apache写法----------------------
         * test22字符串=5a2X5Liy5paH5a2X
         * test22=字串文字
         */
    }

 

posted on 2021-12-23 10:42  oktokeep  阅读(5351)  评论(0编辑  收藏  举报