需要2个jar吧
替换掉 jdk1.8 下的jre 下的 lib -security下
http://download.youkuaiyun.com/download/u013802160/10128378
byte[] decode =new BASE64Decoder().decodeBuffer(reqInfo);
SecretKeySpec key = new SecretKeySpec(MD5Util.MD5Encode(SystemLoader.getProjectProperty(ProjectPropertiesContants.WEIXIN_PARTNERKEY), "UTF-8").toLowerCase().getBytes(), "AES");
Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
cipher.init(Cipher.DECRYPT_MODE, key);
String xmlData=new String(cipher.doFinal(decode),"UTF-8");
Map<String, String> trueResult=callXMLToMap(xmlData);