Base64

package com.util;

import java.nio.charset.StandardCharsets;


public class Base64 {

    final static java.util.Base64.Encoder encoder = java.util.Base64.getEncoder();
    final static java.util.Base64.Decoder decoder = java.util.Base64.getDecoder();

    /**
     * 符串加密
     *
     * @param text
     * @return
     */
    public static String encode(String text) {
//        byte[] textByte = text.getBytes(StandardCharsets.UTF_8);
//        String encodedText = encoder.encodeToString(textByte);
//        return encodedText;
        return encoder.encodeToString( text.getBytes( StandardCharsets.UTF_8 ) ); // StandardCharsets.UTF_8 代替了 "UTF-8
    }

    /**
     * 将加密后的字符串进行解密
     *
     * @param encodedText
     * @return
     */
    public static String decode(String encodedText) {
        return new String( decoder.decode( encodedText ), StandardCharsets.UTF_8 );
    }

    // 测试
    //
    public static void main(String[] args) {

        String url = "jdbc:mysql://118.24.13.38:3308/goods?characterEncoding=utf8&useSSL=false";
        String username = "11353268@qq.com.com";
        String password = "pass=p@sSW0rd";

        // 加密
        System.out.println( "====  [加密后] 用户名/密码  =====" );
        System.out.println( Base64.encode( url ) );
        System.out.println( Base64.encode( username ) );
        System.out.println( Base64.encode( password ) );


        // 解密
        System.out.println( "
====  [解密后] 用户名/密码  =====" );
        System.out.println( Base64.decode( Base64.encode( url ) ) );
        System.out.println( Base64.decode( Base64.encode( username ) ) );
        System.out.println( Base64.decode( Base64.encode( password ) ) );
        System.out.println( "===============" + Base64.decode( Base64.encode( password ) ) );

    }
}

测试结果：