base64的加密解密

版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/SmallTenMr/article/details/82965213

import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;

import java.io.UnsupportedEncodingException;

public class Base64 {

    public String getBase64(String str) {
        byte[] b = null;
        String s = null;
        try {
            b = str.getBytes("utf-8");
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        if (b != null) {
            s = new BASE64Encoder().encode(b);
        }
        return s;
    }

    public String getFromBase64(String s) {
        byte[] b = null;
        String result = null;
        if (s != null) {
            BASE64Decoder decoder = new BASE64Decoder();
            try {
                b = decoder.decodeBuffer(s);
                result = new String(b, "utf-8");
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        return result;
    }

  /*  public static void main(String args[]) {
        Base64 b6 = new Base64();
        String base64 = b6.getBase64("[email protected]");
        System.out.println(base64);
        System.out.println(b6.getFromBase64("Z3pnYXRAZmFibGVzb2Z0LmNu"));
    }*/

}