Java 中进行base64 编码和解码

依赖相关架包需要去这里下载

下载后导入到项目中

代码

import org.apache.commons.codec.binary.Base64;


public class Base64Demo {

    public static void main(String[] args) {


        String str = "{\"Bucket\":\"doc\",\"Object\":\"anne.jpg\",\"Expires\":1451491200}";
        String baseencode = new String(Base64.encodeBase64(str.toString().getBytes()));
        System.out.println(baseencode);//编码得到 eyJCdWNrZXQiOiJkb2MiLCJPYmplY3QiOiJhbm5lLmpwZyIsIkV4cGlyZXMiOjE0NTE0OTEyMDB9
        String basedecode = new String(Base64.decodeBase64(baseencode.toString().getBytes()));
        System.out.println(basedecode);//解码后得到{"Bucket":"doc","Object":"anne.jpg","Expires":1451491200}


    }

}