轉自：?https://www.mkyong.com/java/access-restriction-the-type-base64encoder-is-not-accessible-due-to-restriction/

If you insist want to use?sun.misc.BASE64Encoder, in Eclipse, right click on the project, properties -> Java compiler –> Errors/Warnings –> Deprecated and restricted API –> Forbidden reference (access rules), change the default “Error” to “Warning“. Now, your code should be able to compile, but with some warning messages.?

The above solution is not recommended, you should replace?sun.misc.BASE64Encoder?with other BASE64 class like?Apache common codec. that is?http://commons.apache.org/proper/commons-codec/?

import org.apache.commons.codec.binary.Base64;//...result = new Base64().encodeToString(rawHmac); 創作挑戰賽新人創作獎勵來咯，堅持創作打卡瓜分現金大獎

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