/**
* 提供接收和推送給公眾平臺消息的加解密接口(UTF8編碼的字符串).
*
*
*
*
* 說明:異常java.security.InvalidKeyException:illegal Key Size的解決方案
*
*
*? ? ? http://www.oracle.com/technetwork/java/javase/downloads/jce-7-download-432124.html
*
*
*
*
*/
參考https://www.cnblogs.com/guoziyi/p/6252211.html?utm_source=itdadao&utm_medium=referral