fastjson，混淆，ClassNotFoundException, javax.xml.bind.annotation.XmlAccessorType

Caused by: java.lang.ClassNotFoundException: Didn't find class "javax.xml.bind.annotation.XmlAccessorType" on path: DexPathList

原因：混淆规则里面，fastjson解析的实体类混淆了。

解决办法：keep相关实体类。

在proguard文件中添加

-keep class 实体类包名.**{*；}