您需要弄清楚您擁有的不同版本,並編寫一些代碼來處理每個xml結構。
您可以在SQL Server做這樣
1:
declare @XML xml
set @XML =
'<contents>
<ImageURL>www.123.com/image.png</ImageURL>
<Title>Some text</Title>
<Content>Content of item</Content>
</contents>
<contents>
<ImageURL>www.123.com/image.png</ImageURL>
<Title>Some text</Title>
<Content>Content of item</Content>
</contents>'
select
N.value('ImageURL[1]', 'varchar(max)') as ImageURL,
N.value('Title[1]', 'varchar(max)') as Title,
N.value('Content[1]', 'varchar(max)') as Content
from @XML.nodes('/contents') as T(N)
結果:
ImageURL Title Content
--------------------- --------- ---------------
www.123.com/image.png Some text Content of item
www.123.com/image.png Some text Content of item
2:
declare @XML xml
set @XML = '<item imageURL="url" title="title" content="content"></item>'
select
N.value('@imageURL', 'varchar(max)') as ImageURL,
N.value('@title', 'varchar(max)') as Title,
N.value('@content', 'varchar(max)') as Content
from @XML.nodes('item') as T(N)
結果:
ImageURL Title Content
-------- ----- -------
url title content
3.
declare @XML xml
set @XML =
'<contents>
<content>
<someOtherNode>
<ImageURL>www.FirstURL.com/image.png</ImageURL>
</someOtherNode>
</content>
</contents>
<contents>
<content>
<someOtherNode>
<ImageURL>www.SecondURL.com/image.png</ImageURL>
</someOtherNode>
</content>
</contents>'
select
N.value('ImageURL[1]', 'varchar(max)') as ImageURL
from @XML.nodes('/contents/content/someOtherNode') as T(N)
結果:
ImageURL
---------------------------
www.FirstURL.com/image.png
www.SecondURL.com/image.png
4.
declare @XML xml
set @XML =
'<content>
<imageURL>
<url>first url</url>
</imageURL>
<info>
<title>title 1</title>
<text>text 1</text>
</info>
</content>
<content>
<imageURL>
<url>second url</url>
</imageURL>
<info>
<title>title 2</title>
<text>text 2</text>
</info>
</content>'
select
N.value('imageURL[1]/url[1]', 'varchar(max)') as ImageURL,
N.value('info[1]/title[1]', 'varchar(max)') as Title,
N.value('info[1]/text[1]', 'varchar(max)') as Content
from @XML.nodes('/content') as T(N)
結果:
ImageURL Title Content
--------- ------- -------
first url title 1 text 1
second url title 2 text 2
問題:在第一個示例中,您爲什麼選擇'Title [1]'而不是'Title'? – 2011-06-01 11:59:18
@Branislav - 'value'只能返回1個元素的值。 *我們知道只有一個,但解析器不知道,所以'[1]'告訴'value'函數選擇第一個出現的'Title'。 – 2011-06-01 12:06:49
是否適用於每個CONTENTS元素? – 2011-06-02 12:06:11