根据xsd生成C#类

var file = "1.xsd";

            // Get the namespace for the schema.

            CodeNamespace ns = Processor.Process(file, "Dm");

            // Create the appropriate generator for the language.

            CodeDomProvider provider;

            if ("cs" == "cs")

                provider = new Microsoft.CSharp.CSharpCodeProvider();

            else if (args[] == "vb")

                provider = new Microsoft.VisualBasic.VBCodeProvider();

            else

                throw new ArgumentException("Invalid language", args[]);

            // Write the code to the output file.

            using (StreamWriter sw = new StreamWriter(file, false))

            {

                provider.CreateGenerator().GenerateCodeFromNamespace(

                  ns, sw, new CodeGeneratorOptions());

            }

            Console.WriteLine("Finished");

            Console.Read();

public sealed class Processor

        {

            public static CodeNamespace Process(string xsdFile,

               string targetNamespace)

            {

                // Load the XmlSchema and its collection.

                XmlSchema xsd;

                using (FileStream fs = new FileStream(xsdFile, FileMode.Open))

                {

                    xsd = XmlSchema.Read(fs, null);

                    xsd.Compile(null);

                }

                XmlSchemas schemas = new XmlSchemas();

                schemas.Add(xsd);

                // Create the importer for these schemas.

                XmlSchemaImporter importer = new XmlSchemaImporter(schemas);

                // System.CodeDom namespace for the XmlCodeExporter to put classes in.

                CodeNamespace ns = new CodeNamespace(targetNamespace);

                XmlCodeExporter exporter = new XmlCodeExporter(ns);

                // Iterate schema top-level elements and export code for each.

                foreach (XmlSchemaElement element in xsd.Elements.Values)

                {

                    // Import the mapping first.

                    XmlTypeMapping mapping = importer.ImportTypeMapping(

                      element.QualifiedName);

                    // Export the code finally.

                    exporter.ExportTypeMapping(mapping);

                }

                return ns;

            }

        }