使用maven依赖
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.15</version>
</dependency>
将
new BASE64Encoder().encode()
替换为
org.apache.commons.codec.binary.Base64.encodeBase64String()
new BASE64Decoder().decodeBuffer()
替换为
org.apache.commons.codec.binary.Base64.decodeBase64()