0 个投票

Hi, I have this problem. If I make this in matlab
---
docNode = com.mathworks.xml.XMLUtils.createDocument('root');
docNode.setXmlStandalone(1);
docNode.setXmlVersion('1.1');
xmlWrite('file.xml',docNode);
----
I don't see any "standalone" atttribute, and the version is still set to '1.0'.
i.e. the 'file.xml' looks like:
'<?xml version="1.0" encoding="utf-8"?> root/'
but it should look like:
'<?xml version="1.1" standalone="yes" encoding="utf-8"?> root/
Is it a bug in matlab, or am I doing something wrong? Thanks.
I'm using Matlab 2009b (7.9.0).

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Abby
Abby 2012-2-5
Did you ever find a solution for this? I have the same issue.

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 采纳的回答

Michael Katz
Michael Katz 2012-2-6

0 个投票

Our implementation doesn't forward that document property to the serializer. You'll have to do it yourself, like this:
docNode = com.mathworks.xml.XMLUtils.createDocument('AddressBook');
%don't do this docNode.setXmlStandalone(1)
import javax.xml.transform.*;
import javax.xml.transform.dom.*;
import javax.xml.transform.stream.*;
tfactory = TransformerFactory.newInstance;
serializer = tfactory.newTransformer;
src = DOMSource(docNode);
stream = java.io.StringWriter;
dst = StreamResult(stream);
%set the value here instead
serializer.setOutputProperty(OutputKeys.STANDALONE,'yes');
serializer.setOutputProperty(OutputKeys.VERSION,'1.1');
serializer.transform(src,dst);
result = char(stream.toString)

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Ondrej
Ondrej 2012-2-6
:) Well, thanks for the answer. Now, I am just wondering, wouldn't it be easier to implement such methods (setXmlStandalone and setXmlVersion) directly in matlab (you support other DOM methods). Especially when they are both standardized DOM methods (java parser supports them as well).
Ondrej
Ondrej 2012-2-6
I would say, it is just much more "user-friendly" to write one line of code instead of "low-level xml serializing".
Isirame Omofuma
Isirame Omofuma 2019-7-29
Hi, I did all this and found a way to write the string result to a domnode.
import java.io.StringReader;
import org.xml.sax.InputSource;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
factory = DocumentBuilderFactory.newInstance();
builder = factory.newDocumentBuilder();
s = StringReader(result);
i = InputSource(s);
doc = builder.parse(i);
xmlwrite('try.xml', doc)
On using xmlwrite to write the result to file the standalone argument still does not appear in the xml file and the version remains as 1.1. Is there a simpler way to write to xml? Is there a simpler way to solve this probelm?

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Darlling5147 Sew
Darlling5147 Sew 2013-12-6

0 个投票

how if I wanted to save it into .xml file? I tried this method but at the very last step I wanted to write" xmlwrite('AB.xml',result)" this it fail.....how to solve this problem of exporting into .xml format?
Thank you in advance.

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Ondrej
Ondrej 2013-12-6
xmlwrite requires DOMnode object as input. And not some char. e.g. xmlWrite('AB.xml',docNode)

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