我需要从jar加载XSD文件，所以实现了LSResourceResolver如下:SourceschemaFile=newStreamSource(getClass().getClassLoader().getResourceAsStream("resources/xsd/root/maindoc/MainSchema.xsd"));SchemaFactoryschemaFactory=SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);schemaFactory.setResourceResolver(newLS