是否有T4模板可用于从xsd生成c类?

http://linqtoxsd.codeplex.com/ ). 可以使用LinqToXsd.exe根据架构生成强类型类。而且您还可以获得完整的LINQ支持。非常方便。

您还可以在项目上设置一个预生成事件,该事件类似于:

"$(ProjectDir)Lib/LinqToXsd/LinqToXsd.Exe" "$(ProjectDir)MySchema.xsd" /fileName:MySchema.cs

这将在您构建之前从模式生成类,因此如果您更改模式,您的类将与每个构建保持同步。

<#@ template debug="true" hostSpecific="true" #>
<#@ Assembly Name="System.Core.dll" #>
<#@ Assembly Name="System.Windows.Forms.dll" #>
<#@ Assembly Name="System.Xml" #>
<#@ Assembly Name="Microsoft.CSharp" #>
<#@ output extension=".txt" #>
<#@ import namespace="System" #>
<#@ import namespace="System.IO" #>
<#@ import namespace="System.Text" #>
<#@ import namespace="System.Collections.Generic" #>
<#@ import namespace="System.Reflection" #>
<#@ import namespace="System.Xml" #>
<#@ import namespace="System.Xml.Serialization" #>
<#@ import namespace="System.Xml.Schema" #>
<#@ import namespace="System.CodeDom" #>
<#@ import namespace="System.CodeDom.Compiler" #>
<#@ import namespace="Microsoft.CSharp" #>
<# 
    // directory of this template
    var outputDirectory = Path.GetDirectoryName(Host.TemplateFile);

    // iterate through each XSD file in our /Schema/ directory
    // and output the generated C# file in this directory.
    foreach(var file in new DirectoryInfo(Host.ResolvePath("Schemas")).GetFiles("*.xsd")) {

        // ouput file should be the directory of this template, with .Generated.cs
        var outputFile = Path.Combine(outputDirectory, file.Name.Replace(".xsd", ".Generated.cs"));

        // do it
        File.WriteAllText(outputFile, GenerateFromXsd(file.FullName));
    }
#>
<#+
    private string GenerateFromXsd(string xsdFileName)
    {
        // load the xsd
        XmlSchema xsd;
        using (FileStream stream = new FileStream(xsdFileName, FileMode.Open, FileAccess.Read))
        {
            xsd = XmlSchema.Read(stream, null);
        }

        var xsds = new XmlSchemas();
        xsds.Add(xsd);
        xsds.Compile(null, true);

        var schemaImporter = new XmlSchemaImporter(xsds);

        // create the codedom
        var codeNamespace = new CodeNamespace((string)System.Runtime.Remoting.Messaging.CallContext.LogicalGetData("NamespaceHint"));
        var codeExporter = new XmlCodeExporter(codeNamespace);

        var maps = new List<object>();
        foreach (XmlSchemaType schemaType in xsd.SchemaTypes.Values)
        {
            maps.Add(schemaImporter.ImportSchemaType(schemaType.QualifiedName));
        }
        foreach (XmlSchemaElement schemaElement in xsd.Elements.Values)
        {
            maps.Add(schemaImporter.ImportTypeMapping(schemaElement.QualifiedName));
        }
        foreach (XmlTypeMapping map in maps)
        {
            codeExporter.ExportTypeMapping(map);
        }

        // Check for invalid characters in identifiers
        CodeGenerator.ValidateIdentifiers(codeNamespace);

        // output the C# code
        var codeProvider = new CSharpCodeProvider();

        using (var writer = new StringWriter())
        {
            codeProvider.GenerateCodeFromNamespace(codeNamespace, writer, new CodeGeneratorOptions());
            return writer.GetStringBuilder().ToString();
        }
    }
#>