我尝试使用Jaxb获取变量中的验证消息。从这里尝试示例http://docs.oracle.com/cd/E17802_01/webservices/webservices/docs/1.6/api/javax/xml/bind/Unmarshaller.html我的代码:JAXBContextjaxbContext=JAXBContext.newInstance("com.piyush");SchemaFactoryfactory=SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);Schemaschema=fa