为什么在c#中反序列化my packages.config会返回空值?
我试图反序列化C#中的packages.config文件,但我得到的集合总是空的。如果我的xml文件由单个属性集合组成,是否需要一些特殊的东西为什么在c#中反序列化my packages.config会返回空值?,c#,xml,deserialization,C#,Xml,Deserialization,我试图反序列化C#中的packages.config文件,但我得到的集合总是空的。如果我的xml文件由单个属性集合组成,是否需要一些特殊的东西 [Serializable()] [System.Xml.Serialization.XmlTypeAttribute()] public class Package { [System.Xml.Serialization.XmlAttribute("id")] public string Id {get;set;} [Syste
[Serializable()]
[System.Xml.Serialization.XmlTypeAttribute()]
public class Package
{
[System.Xml.Serialization.XmlAttribute("id")]
public string Id {get;set;}
[System.Xml.Serialization.XmlAttribute("version")]
public string Version {get;set;}
}
[Serializable()]
[System.Xml.Serialization.XmlRoot("packages")]
public class PackageCollection
{
[System.Xml.Serialization.XmlArrayItem("package", typeof(Package))]
public Package[] Packages {get;set;}
}
void Main()
{
var path = "C:\D\packages.config";
var serializer = new System.Xml.Serialization.XmlSerializer(typeof(PackageCollection), new System.Xml.Serialization.XmlRootAttribute("packages"));
StreamReader reader = new StreamReader(file);
var packages2 = (PackageCollection)serializer.Deserialize(reader);
reader.Close();
}
我的packages.config看起来像
<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="Autofac" version="3.3.1" targetFramework="net45" />
<package id="Microsoft.AspNet.WebApi.Client" version="4.0.20710.0" targetFramework="net45" />
<package id="Microsoft.AspNet.WebApi.Core" version="4.0.20710.0" targetFramework="net45" />
<package id="Microsoft.AspNet.WebApi.Tracing" version="4.0.30506" targetFramework="net45" />
<package id="Microsoft.Net.Http" version="2.0.20710.0" targetFramework="net45" />
<package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net45" />
<package id="Newtonsoft.Json" version="4.5.11" targetFramework="net45" />
</packages>
在这种情况下使用XmlElement:
[Serializable()]
[System.Xml.Serialization.XmlRoot("packages")]
public class PackageCollection
{
[System.Xml.Serialization.XmlElement("package", typeof(Package))]
public Package[] Packages { get; set; }
}
根据包括的测试,此代码似乎可以根据您的需要运行:
[Serializable()]
[System.Xml.Serialization.XmlTypeAttribute()]
public class Package
{
[System.Xml.Serialization.XmlAttributeAttribute("id")]
public string Id { get; set; }
[System.Xml.Serialization.XmlAttributeAttribute("version")]
public string Version { get; set; }
[System.Xml.Serialization.XmlAttributeAttribute("targetFramework")]
public string TargetFramework { get; set; }
}
[Serializable()]
[System.Xml.Serialization.XmlRoot("packages")]
public class PackageCollection
{
[System.Xml.Serialization.XmlElementAttribute("package")]
public Package[] Packages { get; set; }
}
class Program
{
static void Main()
{
var path = @"C:\packages.config";
var serializer = new System.Xml.Serialization.XmlSerializer(typeof(PackageCollection));
StreamReader reader = new StreamReader(path);
var packages2 = (PackageCollection)serializer.Deserialize(reader);
foreach (Package pkg in packages2.Packages)
{
Console.WriteLine("ID: " + pkg.Id);
Console.WriteLine("Version: " + pkg.Version);
Console.WriteLine("Target Framework: " + pkg.TargetFramework);
Console.WriteLine();
}
reader.Close();
Console.ReadLine();
}
}
正如@Isantipov所提到的,这可能会有所帮助
另请参见问题以了解更多信息。您可以使用xsd.exe确保代码与模式一致-参见本例