XStream xStream = new XStream( new XppDriver(){ @Override public HierarchicalStreamWriter createWriter(Writer out) { return new PrettyPrintWriter(out){ boolean cdata = false; @Override public void startNode(String name, Class clazz) { super.startNode(name, clazz); cdata = name.equalsIgnoreCase("value"); } @Override public void setValue(String text) { super.setValue(text); //To change body of overridden methods use File | Settings | File Templates. } @Override protected void writeText(QuickWriter writer, String text) { if(cdata){ writer.write(""); }else { writer.write(text); } } }; } } );xStream.alias("parameters", List.class);xStream.alias("parameter", Parameter.class);xStream.useAttributeFor(Parameter.class,"index");xStream.useAttributeFor(Parameter.class,"label");xStream.useAttributeFor(Parameter.class,"paramType");xStream.useAttributeFor(Parameter.class,"required");xStream.useAttributeFor(Parameter.class,"editable");xStream.useAttributeFor(Parameter.class,"encrypt");return xStream.toXML(obj);重点在于 boolean 变量的修改