poi导出word时设置兼容性

    public static void setAuto(XWPFDocument doc) throws SecurityException, NoSuchFieldException, IllegalArgumentException, IllegalAccessException{
        List<POIXMLDocumentPart> list = doc.getRelations();
        //设置一些Word文档的兼容属性
        for(POIXMLDocumentPart p:list)
        {
            if(p instanceof XWPFSettings)
            {
                XWPFSettings settings = (XWPFSettings)p;
                Field field = settings.getClass().getDeclaredField("ctSettings");
                field.setAccessible(true);
                //生成新的Word设置类CTSettings的对象实例，设置UlTrailSpace，使得word为行尾的空格显示下划线
                CTSettings att = CTSettings.Factory.newInstance();
                att.addNewCompat().addNewUlTrailSpace().setVal(STOnOff.ON);
                field.set(settings, att);
                break;
            }
        }
    }