相关疑难解决方法(0)

我必须从目录中获取所有文档,并使用下面的查询来执行相同操作.现在我需要返回基于effectiveDate元素排序的结果.我们可以使用order by和this code

let $news :=xdmp:directory("/news/","1")
for $d in $news
return $d
-- Result -----

    <?xml  version="1.0" encoding="UTF-8"?>
    <NewsEntity xmlns="http://jnj.com/news">
        <uuid xmlns="">868e8a3a-058d-4b2d-8d69-0696f75ec97f</uuid>
        <headLine>HeadLine 4</headLine>
        <contributor>User 4</contributor>
        <effectiveDate>2016-08-31</effectiveDate>
    </NewsEntity>
    <?xml  version="1.0" encoding="UTF-8"?>
    <NewsEntity xmlns="http://jnj.com/news">
        <uuid xmlns="">311eeede-2560-4142-b882-b666ab08c9f8</uuid>
        <headLine>HeadLine 3</headLine>
        <contributor>User 3</contributor>
        <effectiveDate>2016-08-28</effectiveDate>
    </NewsEntity>
    <?xml  version="1.0" encoding="UTF-8"?>
    <NewsEntity xmlns="http://jnj.com/news">
        <uuid xmlns="">9bb67977-a217-425f-82e4-b4366e80d7c4</uuid>
        <headLine>HeadLine 2</headLine>
        <contributor>User 2</contributor>
        <effectiveDate>2016-08-30</effectiveDate>
    </NewsEntity>