問題描述

我有一個相當詳細的 xml 文件.下面是頂級節點(我已經包含了橢圓，因為較低級別的節點都格式正確并正確填充了數據):

I have a rather detailed xml file. Below is the top level nodes (I have included the ellipse as the lower level nodes are all well formed and properly filled with data):

<?xml version="1.0" encoding="UTF-8"?>
<config>
    <Models>...</Models>
    <Data>...</Data>
</config>

我已經使用 Visual Studio 2008 命令提示符創建了一個 xsd 文件:

I have created an xsd file from using the Visual Studio 2008 command prompt:

xsd sample.xml

這會生成 xsd 文件就好了.然后我使用以下命令從 xsd 自動生成類:

This generates the xsd file just fine. I then auto generate classes from the xsd with the command:

xsd sample.xsd /classes

為了將xml文件反序列化為類對象，我在helper類中使用了read函數:

For the deserialization of the xml file into a class object, I'm using the read function in the helper class:

public class XmlSerializerHelper<T>
{
    public Type _type;

    public XmlSerializerHelper()
    {
        _type = typeof(T);
    }

    public void Save(string path, object obj)
    {
        using (TextWriter textWriter = new StreamWriter(path))
        {
            XmlSerializer serializer = new XmlSerializer(_type);
            serializer.Serialize(textWriter, obj);
        }
    }

    public T Read(string path)
    {
        T result;
        using (TextReader textReader = new StreamReader(path))
        {
            XmlSerializer deserializer = new XmlSerializer(_type);
            result = (T)deserializer.Deserialize(textReader);
        }
        return result;
    }
}

嘗試反序列化時:

var helper = new XmlSerializerHelper<configModels>();
var obj = new configModels();
obj = helper.Read(filepath);

我收到一個錯誤，我推斷是因為反序列化器正在尋找模型"節點，但相應的類名是作為根節點和模型"節點 (configModels) 的組合生成的.為什么生成的類名是這樣的?

I receive an error that I have deduced is because the deserializer is looking for the 'Models' node but the corresponding class name was generated as a combination of the root node and the 'Model' node (configModels). Why are the class names generated like this?

我嘗試使用以下方法從頂部節點反序列化:

I tried to deserialize from the top node using:

var helper = new XmlSerializerHelper<config>();
var obj = new config();
obj = helper.Read(filepath);

不幸的是，這會導致一系列錯誤，如下所示:

Unfortunately, this the results in a slew of errors like the following:

System.InvalidOperationException was unhandled by user code
Message="Unable to generate a temporary class (result=1).
error CS0030: Cannot convert type 'Application.Lease[]' to 'Application.Lease'
error CS0030: Cannot convert type 'Application.CashFlow[]' to 'Application.CashFlow'
...ect.

有人可以指導我解決我的 xsd 自動生成可能做錯的地方嗎?

Can somebody steer me towards what I might be doing wrong with my xsd auto-generating?

推薦答案

XSD.EXE 是一個好的開始 - 但它遠非完美.此外，根據您提供的 XML，XSD.EXE 無法始終確定某事物是對象的單個實例，還是對象的開放式數組.

XSD.EXE is a good start - but it's far from perfect. Also, based on the XML you provided, XSD.EXE can't always decide for sure whether something is a single instance of an object, or an open-ended array of objects.

這似乎是您的兩個元素的情況 - Application.Lease 和 Application.CashFlow.它們在生成的 XSD 文件中是如何定義的?這對你有意義嗎?很可能，您必須添加一些提示，例如:

This seems to be the case for your two elements - Application.Lease and Application.CashFlow. How are they defined in the generated XSD file? Does that make sense to you? Quite possibly, you'd have to add a little hints, such as:

<xs:element name="Lease" minOccurs="0" maxOccurs="1" />

對于可選屬性，僅出現 0 次或 1 次.對于 xsd.exe 工具來說，僅基于單個 XML 示例文件，這樣的事情真的很難弄清楚.

for an optional property, that's zero or one occurences only. Things like that are really hard for the xsd.exe tool to figure out based on just a single XML sample file.

馬克

這篇關于將 XML 反序列化為 XSD 生成的類的問題的文章就介紹到這了，希望我們推薦的答案對大家有所幫助，也希望大家多多支持html5模板網！