blocks|key|1761613|text|Microsoft+XSD+inference+tool是一个很好的免费解决方案。许多OxygenXML编辑工具，如XmlSpy+(由@Garth+Gilmour提到)或OxygenXML编辑器也具有该特性。不过，它们相当贵。XSD也有一个BizTalk推断工具。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1761614|编辑:我刚刚发现了.net+XmlSchemaInference类，所以如果您正在使用.net，您应该考虑一下|1761615|entityMap|0|LINK|mutability|MUTABLE|url|https://msdn.microsoft.com/en-us/library/x6c1kb0s(v=vs.110).aspx|1|http://msdn.microsoft.com/en-us/library/system.xml.schema.xmlschemainference.aspx^0|0|S|0|0|E|I|1|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@$A|Q|B|R|1|S]]|C|$]]|$1|D|3|E|5|6|7|T|8|@]|9|@$A|U|B|V|1|W]]|C|$]]|$1|F|3|-4|5|6|7|X|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]|N|$5|I|J|K|C|$L|O]]]]

the <a href="https://msdn.microsoft.com/en-us/library/x6c1kb0s(v=vs.110).aspx" rel="noreferrer">Microsoft XSD inference tool</a> is a good, free solution. Many XML editing tools, such as XmlSpy (mentioned by @Garth Gilmour) or OxygenXML Editor also have that feature. They're rather expensive, though. BizTalk Server also has an XSD inferring tool as well. 

edit: I just discovered the .net <a href="http://msdn.microsoft.com/en-us/library/system.xml.schema.xmlschemainference.aspx" rel="noreferrer">XmlSchemaInference</a> class, so if you're using .net you should consider that

blocks|key|1761927|text|您可以使用一个开源和跨平台的选项:来自Apache's+XMLBeans的inst2xsd。我发现它非常有用和简单。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1761928|只需下载、解压缩并播放(它需要Java)。|1761929|entityMap|0|LINK|mutability|MUTABLE|url|http://xmlbeans.apache.org/^0|J|H|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]]|C|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]]]

You can use an open source and cross-platform option: inst2xsd from <a href="http://xmlbeans.apache.org/" rel="noreferrer">Apache's XMLBeans</a>. I find it very useful and easy.

Just download, unzip and play (it requires Java).

blocks|key|1761998|text|在VS2010中，如果将XML文件加载到编辑器中，请单击“XML”菜单“>>”“创建架构”。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1761999|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

In VS2010 if you load an XML file into the editor, click the XML menu >> Create Schema.

blocks|key|1761852|text|如果您安装了.Net，那么默认情况下已经包含了一个用于生成XSD模式和类的工具。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1761853|对我来说，XSD工具安装在以下结构下。根据安装目录的不同，这可能会有所不同。|1761854|C:\Program+Files\Microsoft+Visual+Studio+8\VC>xsd
Microsoft+(R)+Xml+Schemas/DataTypes+support+utility
[Microsoft+(R)+.NET+Framework,+Version+2.0.50727.42]
Copyright+(C)+Microsoft+Corporation.+All+rights+reserved.

xsd.exe+-
+++Utility+to+generate+schema+or+class+files+from+given+source.

xsd.exe+<schema>.xsd+/classes%7Cdataset+[/e:]+[/l:]+[/n:]+[/o:]+[/s]+[/uri:]
xsd.exe+<assembly>.dll%7C.exe+[/outputdir:]+[/type:+[...]]
xsd.exe+<instance>.xml+[/outputdir:]
xsd.exe+<schema>.xdr+[/outputdir:]|code-block|syntax|javascript|1761855|通常，该工具生成的类和模式工作得相当好，特别是当您要在.Net语言中使用它们时|1761856|我通常获取我想要的XML文档，通过带有/o:<your+path>标志的XSD工具推送它以生成模式(+xsd+)，然后使用/classes+/L:VB+(or+CS)+/o:<your+path>标志通过工具推送回xsd文件，以获得我可以导入并在日常.Net项目中使用的类|offset|length|style|CODE|1761857|entityMap^0|0|0|0|0|J|E|1P|11|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|V|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|W|8|@$M|X|N|Y|O|P]|$M|Z|N|10|O|P]]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|11|8|@]|9|@]|A|$]]]|R|$]]

If you have .Net installed, a tool to generate XSD schemas and classes is already included by default. 
For me, the XSD tool is installed under the following structure. This may differ depending on your installation directory.

<pre><code>C:\Program Files\Microsoft Visual Studio 8\VC&gt;xsd
Microsoft (R) Xml Schemas/DataTypes support utility
[Microsoft (R) .NET Framework, Version 2.0.50727.42]
Copyright (C) Microsoft Corporation. All rights reserved.

xsd.exe -
 Utility to generate schema or class files from given source.

xsd.exe &lt;schema&gt;.xsd /classes|dataset [/e:] [/l:] [/n:] [/o:] [/s] [/uri:]
xsd.exe &lt;assembly&gt;.dll|.exe [/outputdir:] [/type: [...]]
xsd.exe &lt;instance&gt;.xml [/outputdir:]
xsd.exe &lt;schema&gt;.xdr [/outputdir:]
</code></pre>

Normally the classes and schemas that this tool generates work rather well, especially if you're going to be consuming them in a .Net language

I typically take the XML document that I'm after, push it through the XSD tool with the <code>/o:&lt;your path&gt;</code> flag to generate a schema (xsd) and then push the xsd file back through the tool using the <code>/classes /L:VB (or CS) /o:&lt;your path&gt;</code> flags to get classes that I can import and use in my day to day .Net projects

blocks|key|1546897|text|如果你想要的只是XSD，LiquidXML有一个支持XSD的免费版本，而且它有一个图形用户界面，所以如果你愿意，你可以调整XSD。无论如何，现在我用手写我自己的XSD，但这都要归功于这个应用。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1546898|http://www.liquid-technologies.com/|offset|length|1546899|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|Z|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|N|8|@]|9|@$D|O|E|P|1|Q]]|A|$]]|$1|F|3|-4|5|6|7|R|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|C]]]]

If all you want is XSD, LiquidXML has a free version that does XSDs, and its got a GUI to it so you can tweak the XSD if you like. Anyways nowadays I write my own XSDs by hand, but its all thanks to this app.

<a href="http://www.liquid-technologies.com/" rel="noreferrer">http://www.liquid-technologies.com/</a>

blocks|key|1761649|text|Altova+XmlSpy在这方面做得很好-你可以在here上找到一个概述|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1761650|entityMap|0|LINK|mutability|MUTABLE|url|http://www.altova.com/products/xmlspy/dtd_editor.html^0|Q|4|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Altova XmlSpy does this well - you can find an overview <a href="http://www.altova.com/products/xmlspy/dtd_editor.html" rel="nofollow noreferrer">here</a>

blocks|key|1547151|text|这是一个旧的帖子，但我认为它可能会对发布这个链接很有用:我刚刚找到了这个工具：xsd-gen+Generate+XML+Schema+from+XML|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1547152|它只是做了我需要的事情。|1547153|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/wiztools/xsd-gen^0|13|10|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]]|C|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]]]

This is an old thread but I thought it could be useful to post this link: just found this tool:
<a href="https://github.com/wiztools/xsd-gen" rel="nofollow">xsd-gen Generate XML Schema from XML</a>

and it just did what I needed.

I am looking for a tool which will take an XML instance document and output a corresponding XSD schema.

I certainly recognize that the generated XSD schema will be limited when compared to creating a schema by hand (it probably won't handle optional or repeating elements, or data constraints), but it could at least serve as a quick starting point.

Any tools to generate an XSD schema from an XML instance document?

Visual Studio

Java

我正在寻找一个工具，将采取XML实例文档，并输出相应的XSD模式。我当然认识到，与手动创建模式相比，生成的XSD模式将是有限的(它可能不会处理可选或重复的元素或数据约束)，但它至少可以作为一个快速的起点。

问有没有工具可以从XML实例文档生成XSD模式？
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问有没有工具可以从XML实例文档生成XSD模式？
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