C# 中的 SAP Web 服务问题

【问题标题】：SAP web service issue in C#C# 中的 SAP Web 服务问题
【发布时间】：2021-04-06 22:51:51
【问题描述】：

更新： 我有来自 SAP Web 服务的 WSDL 文件，该文件在 Visual Studio 代码中作为连接服务导入，如下所示：

//------------------------------------------------------------------------------
// <auto-generated>
//     This code was generated by a tool.
//
//     Changes to this file may cause incorrect behavior and will be lost if
//     the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------

namespace SAPWebService
{
          [System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.Tools.ServiceModel.Svcutil", "2.0.2")]
    [System.ServiceModel.ServiceContractAttribute(Namespace="urn:sap-com:document:sap:rfc:functions", ConfigurationName="ServiceReference1.ZMM_SIF_KARAKTERISTIKE_MAT")]
    public interface ZMM_SIF_KARAKTERISTIKE_MAT
    {
        
        [System.ServiceModel.OperationContractAttribute(Action="urn:sap-com:document:sap:rfc:functions:ZMM_SIF_KARAKTERISTIKE_MAT:ZMM_SIF_KARAKTE" +
            "RISTIKE_MATRequest", ReplyAction="urn:sap-com:document:sap:rfc:functions:ZMM_SIF_KARAKTERISTIKE_MAT:ZMM_SIF_KARAKTE" +
            "RISTIKE_MATResponse")]
        [System.ServiceModel.XmlSerializerFormatAttribute(SupportFaults=true)]
        System.Threading.Tasks.Task<SAPWebService.ZMM_SIF_KARAKTERISTIKE_MATResponse1> ZMM_SIF_KARAKTERISTIKE_MATAsync(SAPWebService.ZMM_SIF_KARAKTERISTIKE_MATRequest request);
    }
    
    /// <remarks/>
    [System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.Tools.ServiceModel.Svcutil", "2.0.2")]
    [System.Diagnostics.DebuggerStepThroughAttribute()]
    [System.Xml.Serialization.XmlTypeAttribute(AnonymousType=true, Namespace="urn:sap-com:document:sap:rfc:functions")]
    public partial class ZMM_SIF_KARAKTERISTIKE_MAT1
    {
    }
    
    /// <remarks/>
    [System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.Tools.ServiceModel.Svcutil", "2.0.2")]
    [System.Diagnostics.DebuggerStepThroughAttribute()]
    [System.Xml.Serialization.XmlTypeAttribute(Namespace="urn:sap-com:document:sap:rfc:functions")]
    public partial class ZMM_KARAKTERISTIKE_MAT_LINE
    {
        
        private string kLASAField;
        
        private string kARAKTERISTIKAField;
        
        private string vREDNOSTField;
        
        /// <remarks/>
        [System.Xml.Serialization.XmlElementAttribute(Form=System.Xml.Schema.XmlSchemaForm.Unqualified, Order=0)]
        public string KLASA
        {
            get
            {
                return this.kLASAField;
            }
            set
            {
                this.kLASAField = value;
            }
        }
        
        /// <remarks/>
        [System.Xml.Serialization.XmlElementAttribute(Form=System.Xml.Schema.XmlSchemaForm.Unqualified, Order=1)]
        public string KARAKTERISTIKA
        {
            get
            {
                return this.kARAKTERISTIKAField;
            }
            set
            {
                this.kARAKTERISTIKAField = value;
            }
        }
        
        /// <remarks/>
        [System.Xml.Serialization.XmlElementAttribute(Form=System.Xml.Schema.XmlSchemaForm.Unqualified, Order=2)]
        public string VREDNOST
        {
            get
            {
                return this.vREDNOSTField;
            }
            set
            {
                this.vREDNOSTField = value;
            }
        }
    }
    
    /// <remarks/>
    [System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.Tools.ServiceModel.Svcutil", "2.0.2")]
    [System.Diagnostics.DebuggerStepThroughAttribute()]
    [System.Xml.Serialization.XmlTypeAttribute(AnonymousType=true, Namespace="urn:sap-com:document:sap:rfc:functions")]
    public partial class ZMM_SIF_KARAKTERISTIKE_MATResponse
    {
        
        private ZMM_KARAKTERISTIKE_MAT_LINE[] kARAKTERISTIKAField;
        
        /// <remarks/>
        [System.Xml.Serialization.XmlArrayAttribute(Form=System.Xml.Schema.XmlSchemaForm.Unqualified, Order=0)]
        [System.Xml.Serialization.XmlArrayItemAttribute("item", Form=System.Xml.Schema.XmlSchemaForm.Unqualified, IsNullable=false)]
        public ZMM_KARAKTERISTIKE_MAT_LINE[] KARAKTERISTIKA
        {
            get
            {
                return this.kARAKTERISTIKAField;
            }
            set
            {
                this.kARAKTERISTIKAField = value;
            }
        }
    }
    
    [System.Diagnostics.DebuggerStepThroughAttribute()]
    [System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.Tools.ServiceModel.Svcutil", "2.0.2")]
    [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Advanced)]
    [System.ServiceModel.MessageContractAttribute(IsWrapped=false)]
    public partial class ZMM_SIF_KARAKTERISTIKE_MATRequest
    {
        
        [System.ServiceModel.MessageBodyMemberAttribute(Namespace="urn:sap-com:document:sap:rfc:functions", Order=0)]
        public SAPWebService.ZMM_SIF_KARAKTERISTIKE_MAT ZMM_SIF_KARAKTERISTIKE_MAT;
        
        public ZMM_SIF_KARAKTERISTIKE_MATRequest()
        {
        }
        
        public ZMM_SIF_KARAKTERISTIKE_MATRequest(SAPWebService.ZMM_SIF_KARAKTERISTIKE_MAT ZMM_SIF_KARAKTERISTIKE_MAT)
        {
            this.ZMM_SIF_KARAKTERISTIKE_MAT = ZMM_SIF_KARAKTERISTIKE_MAT;
        }
    }
    
    [System.Diagnostics.DebuggerStepThroughAttribute()]
    [System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.Tools.ServiceModel.Svcutil", "2.0.2")]
    [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Advanced)]
    [System.ServiceModel.MessageContractAttribute(IsWrapped=false)]
    public partial class ZMM_SIF_KARAKTERISTIKE_MATResponse1
    {
        
        [System.ServiceModel.MessageBodyMemberAttribute(Namespace="urn:sap-com:document:sap:rfc:functions", Order=0)]
        public SAPWebService.ZMM_SIF_KARAKTERISTIKE_MATResponse ZMM_SIF_KARAKTERISTIKE_MATResponse;
        
        public ZMM_SIF_KARAKTERISTIKE_MATResponse1()
        {
        }
        
        public ZMM_SIF_KARAKTERISTIKE_MATResponse1(SAPWebService.ZMM_SIF_KARAKTERISTIKE_MATResponse ZMM_SIF_KARAKTERISTIKE_MATResponse)
        {
            this.ZMM_SIF_KARAKTERISTIKE_MATResponse = ZMM_SIF_KARAKTERISTIKE_MATResponse;
        }
    }
    
    [System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.Tools.ServiceModel.Svcutil", "2.0.2")]
    public interface ZMM_SIF_KARAKTERISTIKE_MATChannel : SAPWebService.ZMM_SIF_KARAKTERISTIKE_MAT, System.ServiceModel.IClientChannel
    {
    }
    
    [System.Diagnostics.DebuggerStepThroughAttribute()]
    [System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.Tools.ServiceModel.Svcutil", "2.0.2")]
    public partial class ZMM_SIF_KARAKTERISTIKE_MATClient : System.ServiceModel.ClientBase<SAPWebService.ZMM_SIF_KARAKTERISTIKE_MAT>, SAPWebService.ZMM_SIF_KARAKTERISTIKE_MAT
    {
        
        public ZMM_SIF_KARAKTERISTIKE_MATClient(System.ServiceModel.Channels.Binding binding, System.ServiceModel.EndpointAddress remoteAddress) : 
                base(binding, remoteAddress)
        {
        }
        
        [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Advanced)]
        System.Threading.Tasks.Task<SAPWebService.ZMM_SIF_KARAKTERISTIKE_MATResponse1> SAPWebService.ZMM_SIF_KARAKTERISTIKE_MAT.ZMM_SIF_KARAKTERISTIKE_MATAsync(SAPWebService.ZMM_SIF_KARAKTERISTIKE_MATRequest request)
        {
            return base.Channel.ZMM_SIF_KARAKTERISTIKE_MATAsync(request);
        }
        
        public System.Threading.Tasks.Task<SAPWebService.ZMM_SIF_KARAKTERISTIKE_MATResponse1> ZMM_SIF_KARAKTERISTIKE_MATAsync(SAPWebService.ZMM_SIF_KARAKTERISTIKE_MAT ZMM_SIF_KARAKTERISTIKE_MAT)
        {
            SAPWebService.ZMM_SIF_KARAKTERISTIKE_MATRequest inValue = new SAPWebService.ZMM_SIF_KARAKTERISTIKE_MATRequest();
            inValue.ZMM_SIF_KARAKTERISTIKE_MAT = ZMM_SIF_KARAKTERISTIKE_MAT;
            return ((SAPWebService.ZMM_SIF_KARAKTERISTIKE_MAT)(this)).ZMM_SIF_KARAKTERISTIKE_MATAsync(inValue);
        }
        
        public virtual System.Threading.Tasks.Task OpenAsync()
        {
            return System.Threading.Tasks.Task.Factory.FromAsync(((System.ServiceModel.ICommunicationObject)(this)).BeginOpen(null, null), new System.Action<System.IAsyncResult>(((System.ServiceModel.ICommunicationObject)(this)).EndOpen));
        }
        
        public virtual System.Threading.Tasks.Task CloseAsync()
        {
            return System.Threading.Tasks.Task.Factory.FromAsync(((System.ServiceModel.ICommunicationObject)(this)).BeginClose(null, null), new System.Action<System.IAsyncResult>(((System.ServiceModel.ICommunicationObject)(this)).EndClose));
        }
    }
}

重要更新：

当我将 wsdl 添加为连接服务时，我收到此错误：

Cannot import wsdl:port
Detail: There was an error importing a wsdl:binding that the wsdl:port is dependent on.
XPath to wsdl:binding: //wsdl:definitions[@targetNamespace='urn:sap-com:document:sap:rfc:functions']/wsdl:binding[@name='250_soap12']
XPath to Error Source: //wsdl:definitions[@targetNamespace='urn:sap-com:document:sap:rfc:functions']/wsdl:service[@name='ZMM_SIF_KARAKTERISTIKE_MAT']/wsdl:port[@name='250_soap12']
Cannot import wsdl:binding
Detail: Name cannot begin with the '2' character, hexadecimal value 0x32.
Parameter name: name
XPath to Error Source: //wsdl:definitions[@targetNamespace='urn:sap-com:document:sap:rfc:functions']/wsdl:binding[@name='250_soap12']
Cannot import wsdl:port
Detail: There was an error importing a wsdl:binding that the wsdl:port is dependent on.
XPath to wsdl:binding: //wsdl:definitions[@targetNamespace='urn:sap-com:document:sap:rfc:functions']/wsdl:binding[@name='250']
XPath to Error Source: //wsdl:definitions[@targetNamespace='urn:sap-com:document:sap:rfc:functions']/wsdl:service[@name='ZMM_SIF_KARAKTERISTIKE_MAT']/wsdl:port[@name='250']
Cannot import wsdl:binding
Detail: Name cannot begin with the '2' character, hexadecimal value 0x32.
Parameter name: name
XPath to Error Source: //wsdl:definitions[@targetNamespace='urn:sap-com:document:sap:rfc:functions']/wsdl:binding[@name='250']
The optional WSDL extension element 'Policy' from namespace 'http://schemas.xmlsoap.org/ws/2004/09/policy' was not handled.
XPath: //wsdl:definitions[@targetNamespace='urn:sap-com:document:sap:rfc:functions']/wsdl:portType[@name='ZMM_SIF_KARAKTERISTIKE_MAT']/wsdl:operation[@name='ZMM_SIF_KARAKTERISTIKE_MAT']
The optional WSDL extension element 'Policy' from namespace 'http://schemas.xmlsoap.org/ws/2004/09/policy' was not handled.
XPath: //wsdl:definitions[@targetNamespace='urn:sap-com:document:sap:rfc:functions']/wsdl:portType[@name='ZMM_SIF_KARAKTERISTIKE_MAT']

我尝试通过以下方法从 C# 中使用它：

    public class SAPDemoApi : ISAPDemoApi
    {
        public readonly string serviceUrl = "http://GIRKV06S04.gir.local:8000/sap/bc/srt/rfc/sap/zmm_sif_karakteristike_mat/250/zmm_sif_karakteristike_mat/250";
        public readonly EndpointAddress endpointAddress;
        public readonly BasicHttpBinding basicHttpBinding;

        public SAPDemoApi()
        {
            endpointAddress = new EndpointAddress(serviceUrl);

            basicHttpBinding =
                new BasicHttpBinding(endpointAddress.Uri.Scheme.ToLower() == "http" ?
                            BasicHttpSecurityMode.None : BasicHttpSecurityMode.Transport);

            //Please set the time accordingly, this is only for demo
            basicHttpBinding.OpenTimeout = TimeSpan.MaxValue;
            basicHttpBinding.CloseTimeout = TimeSpan.MaxValue;
            basicHttpBinding.ReceiveTimeout = TimeSpan.MaxValue;
            basicHttpBinding.SendTimeout = TimeSpan.MaxValue;
        }

        public async Task<ZMM_SIF_KARAKTERISTIKE_MATResponse> GetData()
        {
            var client = await GetInstanceAsync();
            var response = await client.ZMM_SIF_KARAKTERISTIKE_MATAsync(new ZMM_SIF_KARAKTERISTIKE_MATClient(basicHttpBinding, endpointAddress));
            return response.ZMM_SIF_KARAKTERISTIKE_MATResponse;
        }


        public async Task<ZMM_SIF_KARAKTERISTIKE_MATClient> GetInstanceAsync()
        {
            return await Task.Run(() => new ZMM_SIF_KARAKTERISTIKE_MATClient(basicHttpBinding, endpointAddress));
        }
    }

注意：我使用了http://GIRKV06S04.gir.local:8000/sap/bc/srt/rfc/sap/zmm_sif_karakteristike_mat/250/zmm_sif_karakteristike_mat/250，因为我在向 Web 服务发送请求时从 SoapUI 获得了它（之前我已将 WSDL 文件导入到 SoapUI）。

当我尝试将其命名为 var output = await sapDemoApi.GetData(); 时，出现错误： System.InvalidOperationException: There was an error reflecting 'ZMM_SIF_KARAKTERISTIKE_MAT'. ---&gt; System.NotSupportedException: Cannot serialize interface SAPWebService.ZMM_SIF_KARAKTERISTIKE_MAT. at System.Xml.Serialization.TypeDesc.CheckSupported() at System.Xml.Serialization.TypeScope.GetTypeDesc(Type type, MemberInfo source, Boolean directReference, Boolean throwOnError)

更新：

        <soap-env:Envelope xmlns:soap-env="http://schemas.xmlsoap.org/soap/envelope/">
       <soap-env:Header/>
       <soap-env:Body>
          <n0:ZMM_SIF_KARAKTERISTIKE_MATResponse xmlns:n0="urn:sap-com:document:sap:rfc:functions">
             <KARAKTERISTIKA>
                <item>
                   <KLASA>Z_TRUPCI_MAT</KLASA>
                   <KARAKTERISTIKA>VRSTADRVETA</KARAKTERISTIKA>
                   <VREDNOST>0</VREDNOST>
                </item>
                <item>
                   <KLASA>Z_TRUPCI_MAT</KLASA>
                   <KARAKTERISTIKA>VRSTADRVETA</KARAKTERISTIKA>
                   <VREDNOST>1</VREDNOST>
                </item>
                <item>
                   <KLASA>Z_TRUPCI_MAT</KLASA>
                   <KARAKTERISTIKA>VRSTADRVETA</KARAKTERISTIKA>
                   <VREDNOST>2</VREDNOST>
                </item>
                <item>
                   <KLASA>Z_TRUPCI_MAT</KLASA>
                   <KARAKTERISTIKA>VRSTADRVETA</KARAKTERISTIKA>
                   <VREDNOST>26</VREDNOST>
                </item>
                <item>
                   <KLASA>Z_TRUPCI_MAT</KLASA>
                   <KARAKTERISTIKA>VRSTADRVETA</KARAKTERISTIKA>
                   <VREDNOST>27</VREDNOST>
                </item>
                <item>
                   <KLASA>Z_TRUPCI_MAT</KLASA>
                   <KARAKTERISTIKA>VRSTADRVETA</KARAKTERISTIKA>
                   <VREDNOST>28</VREDNOST>
                </item>
                <item>
                   <KLASA>Z_TRUPCI_MAT</KLASA>
                   <KARAKTERISTIKA>VRSTADRVETA</KARAKTERISTIKA>
                   <VREDNOST>29</VREDNOST>
                </item>
                <item>
                   <KLASA>Z_TRUPCI_MAT</KLASA>
                   <KARAKTERISTIKA>VRSTADRVETA</KARAKTERISTIKA>
                   <VREDNOST>30</VREDNOST>
                </item>
                <item>
                   <KLASA>Z_TRUPCI_MAT</KLASA>
                   <KARAKTERISTIKA>VRSTADRVETA</KARAKTERISTIKA>
                   <VREDNOST>31</VREDNOST>
                </item>
                <item>
                   <KLASA>Z_TRUPCI_MAT</KLASA>
                   <KARAKTERISTIKA>VRSTADRVETA</KARAKTERISTIKA>
                   <VREDNOST>32</VREDNOST>
                </item>
                <item>
                   <KLASA>Z_GRADJA_MAT</KLASA>
                   <KARAKTERISTIKA>TIPDRVETA</KARAKTERISTIKA>
                   <VREDNOST>O</VREDNOST>
                </item>
                <item>
                   <KLASA>Z_GRADJA_MAT</KLASA>
                   <KARAKTERISTIKA>TIPDRVETA</KARAKTERISTIKA>
                   <VREDNOST>N</VREDNOST>
                </item>
             </KARAKTERISTIKA>
          </n0:ZMM_SIF_KARAKTERISTIKE_MATResponse>
       </soap-env:Body>
    </soap-env:Envelope>

【问题讨论】：

  • xml 与架构不匹配。没有看到 xml 响应就无法判断。架构是由生成 c# 类的工具生成的。 WSDL 有 xml 中没有的额外标签。所以通常你必须移动获取 xml 的第一个标签和 WSDL 中的类是相同的。
  • 我已经更新了问题和回复。那么，我需要更换什么？
  • 您的响应 xml 以信封开头，但 c# 以标签 ZMM_SIF_KARAKTERISTIKE_MATResponse 开头。请参阅：docs.microsoft.com/en-us/previous-versions/dotnet/…
  • 抱歉，我不明白我应该做什么以及在哪里解决。在您发送给我的示例中，获取 ZMM_SIF_KARAKTERISTIKE_MATResponse 是合乎逻辑的，因为我在 Body 中发送 ZMM_SIF_KARAKTERISTIKE_MAT。我到底需要更换什么？
  • 在本例中使用 ResonseElementName：docs.microsoft.com/en-us/dotnet/api/…。另一种选择是为 Envelope 和 Body 添加您自己的两个 c# 类。

标签： c# web-services wsdl saprfc


【解决方案1】：

我在您的类中添加了一个信封和正文，以使代码正常工作。我使用 Xml Serialize 来测试代码并注释掉反序列化对象不需要的内容。你需要修改你的代码来做类似于我所做的事情

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml;
using System.Xml.Serialization;
using System.IO;
namespace ConsoleApplication177
{
    class Program
    {
        const string FILENAME = @"c:\temp\test.xml";
        static void Main(string[] args)
        {
            string xml = File.ReadAllText(FILENAME);
            StringReader sReader = new StringReader(xml);
            XmlReader xReader = XmlReader.Create(sReader);
            XmlSerializer serializer = new XmlSerializer(typeof(Envelope));
            Envelope envelope = (Envelope)serializer.Deserialize(xReader);

        }
    }
    [XmlRoot(ElementName = "Envelope" ,Namespace = "http://schemas.xmlsoap.org/soap/envelope/")]
    public class Envelope
    {
        [XmlElement(Namespace = "http://schemas.xmlsoap.org/soap/envelope/")]
        public Body Body { get; set; }
    }

    public class Body
    {
        [XmlElement(ElementName = "ZMM_SIF_KARAKTERISTIKE_MATResponse", Namespace = "urn:sap-com:document:sap:rfc:functions")]
        public ZMM_SIF_KARAKTERISTIKE_MATResponse ZMM_SIF_KARAKTERISTIKE_MATResponse { get; set; }
    }

    ///// <remarks/>
    //[System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.Tools.ServiceModel.Svcutil", "2.0.2")]
    //[System.Diagnostics.DebuggerStepThroughAttribute()]
    //[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "urn:sap-com:document:sap:rfc:functions")]
    //public partial class ZMM_SIF_KARAKTERISTIKE_MAT1
    //{
    //}

    /// <remarks/>
    [System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.Tools.ServiceModel.Svcutil", "2.0.2")]
    [System.Diagnostics.DebuggerStepThroughAttribute()]
    [System.Xml.Serialization.XmlTypeAttribute(Namespace = "urn:sap-com:document:sap:rfc:functions")]
    public partial class ZMM_KARAKTERISTIKE_MAT_LINE
    {

        private string kLASAField;

        private string kARAKTERISTIKAField;

        private string vREDNOSTField;

        /// <remarks/>
        [System.Xml.Serialization.XmlElementAttribute(Form = System.Xml.Schema.XmlSchemaForm.Unqualified, Order = 0)]
        public string KLASA
        {
            get
            {
                return this.kLASAField;
            }
            set
            {
                this.kLASAField = value;
            }
        }

        /// <remarks/>
        [System.Xml.Serialization.XmlElementAttribute(Form = System.Xml.Schema.XmlSchemaForm.Unqualified, Order = 1)]
        public string KARAKTERISTIKA
        {
            get
            {
                return this.kARAKTERISTIKAField;
            }
            set
            {
                this.kARAKTERISTIKAField = value;
            }
        }

        /// <remarks/>
        [System.Xml.Serialization.XmlElementAttribute(Form = System.Xml.Schema.XmlSchemaForm.Unqualified, Order = 2)]
        public string VREDNOST
        {
            get
            {
                return this.vREDNOSTField;
            }
            set
            {
                this.vREDNOSTField = value;
            }
        }
    }

    /// <remarks/>
    [System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.Tools.ServiceModel.Svcutil", "2.0.2")]
    [System.Diagnostics.DebuggerStepThroughAttribute()]
    [System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "urn:sap-com:document:sap:rfc:functions")]
    public class ZMM_SIF_KARAKTERISTIKE_MATResponse
    {

        private ZMM_KARAKTERISTIKE_MAT_LINE[] kARAKTERISTIKAField;

        /// <remarks/>
        [System.Xml.Serialization.XmlArrayAttribute(Form = System.Xml.Schema.XmlSchemaForm.Unqualified, Order = 0)]
        [System.Xml.Serialization.XmlArrayItemAttribute("item", Form = System.Xml.Schema.XmlSchemaForm.Unqualified, IsNullable = false)]
        public ZMM_KARAKTERISTIKE_MAT_LINE[] KARAKTERISTIKA
        {
            get
            {
                return this.kARAKTERISTIKAField;
            }
            set
            {
                this.kARAKTERISTIKAField = value;
            }
        }
    }

    //[System.Diagnostics.DebuggerStepThroughAttribute()]
    //[System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.Tools.ServiceModel.Svcutil", "2.0.2")]
    //[System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Advanced)]
    //[System.ServiceModel.MessageContractAttribute(IsWrapped = false)]
    //public partial class ZMM_SIF_KARAKTERISTIKE_MATRequest
    //{

    //    [System.ServiceModel.MessageBodyMemberAttribute(Namespace = "urn:sap-com:document:sap:rfc:functions", Order = 0)]
    //    public SAPWebService.ZMM_SIF_KARAKTERISTIKE_MAT ZMM_SIF_KARAKTERISTIKE_MAT;

    //    public ZMM_SIF_KARAKTERISTIKE_MATRequest()
    //    {
    //    }

    //    public ZMM_SIF_KARAKTERISTIKE_MATRequest(SAPWebService.ZMM_SIF_KARAKTERISTIKE_MAT ZMM_SIF_KARAKTERISTIKE_MAT)
    //    {
    //        this.ZMM_SIF_KARAKTERISTIKE_MAT = ZMM_SIF_KARAKTERISTIKE_MAT;
    //    }
    //}

    //[System.Diagnostics.DebuggerStepThroughAttribute()]
    //[System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.Tools.ServiceModel.Svcutil", "2.0.2")]
    //[System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Advanced)]
    //[System.ServiceModel.MessageContractAttribute(IsWrapped = false)]
    //public partial class ZMM_SIF_KARAKTERISTIKE_MATResponse1
    //{

    //    [System.ServiceModel.MessageBodyMemberAttribute(Namespace = "urn:sap-com:document:sap:rfc:functions", Order = 0)]
    //    public SAPWebService.ZMM_SIF_KARAKTERISTIKE_MATResponse ZMM_SIF_KARAKTERISTIKE_MATResponse;

    //    public ZMM_SIF_KARAKTERISTIKE_MATResponse1()
    //    {
    //    }

    //    public ZMM_SIF_KARAKTERISTIKE_MATResponse1(SAPWebService.ZMM_SIF_KARAKTERISTIKE_MATResponse ZMM_SIF_KARAKTERISTIKE_MATResponse)
    //    {
    //        this.ZMM_SIF_KARAKTERISTIKE_MATResponse = ZMM_SIF_KARAKTERISTIKE_MATResponse;
    //    }
    //}

    //[System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.Tools.ServiceModel.Svcutil", "2.0.2")]
    //public interface ZMM_SIF_KARAKTERISTIKE_MATChannel : SAPWebService.ZMM_SIF_KARAKTERISTIKE_MAT, System.ServiceModel.IClientChannel
    //{
    //}

    //[System.Diagnostics.DebuggerStepThroughAttribute()]
    //[System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.Tools.ServiceModel.Svcutil", "2.0.2")]
    //public partial class ZMM_SIF_KARAKTERISTIKE_MATClient : System.ServiceModel.ClientBase<SAPWebService.ZMM_SIF_KARAKTERISTIKE_MAT>, SAPWebService.ZMM_SIF_KARAKTERISTIKE_MAT
    //{

    //    public ZMM_SIF_KARAKTERISTIKE_MATClient(System.ServiceModel.Channels.Binding binding, System.ServiceModel.EndpointAddress remoteAddress) :
    //        base(binding, remoteAddress)
    //    {
    //    }

    //    [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Advanced)]
    //    System.Threading.Tasks.Task<SAPWebService.ZMM_SIF_KARAKTERISTIKE_MATResponse1> SAPWebService.ZMM_SIF_KARAKTERISTIKE_MAT.ZMM_SIF_KARAKTERISTIKE_MATAsync(SAPWebService.ZMM_SIF_KARAKTERISTIKE_MATRequest request)
    //    {
    //        return base.Channel.ZMM_SIF_KARAKTERISTIKE_MATAsync(request);
    //    }

    //    public System.Threading.Tasks.Task<SAPWebService.ZMM_SIF_KARAKTERISTIKE_MATResponse1> ZMM_SIF_KARAKTERISTIKE_MATAsync(SAPWebService.ZMM_SIF_KARAKTERISTIKE_MAT ZMM_SIF_KARAKTERISTIKE_MAT)
    //    {
    //        SAPWebService.ZMM_SIF_KARAKTERISTIKE_MATRequest inValue = new SAPWebService.ZMM_SIF_KARAKTERISTIKE_MATRequest();
    //        inValue.ZMM_SIF_KARAKTERISTIKE_MAT = ZMM_SIF_KARAKTERISTIKE_MAT;
    //        return ((SAPWebService.ZMM_SIF_KARAKTERISTIKE_MAT)(this)).ZMM_SIF_KARAKTERISTIKE_MATAsync(inValue);
    //    }

    //    public virtual System.Threading.Tasks.Task OpenAsync()
    //    {
    //        return System.Threading.Tasks.Task.Factory.FromAsync(((System.ServiceModel.ICommunicationObject)(this)).BeginOpen(null, null), new System.Action<System.IAsyncResult>(((System.ServiceModel.ICommunicationObject)(this)).EndOpen));
    //    }

    //    public virtual System.Threading.Tasks.Task CloseAsync()
    //    {
    //        return System.Threading.Tasks.Task.Factory.FromAsync(((System.ServiceModel.ICommunicationObject)(this)).BeginClose(null, null), new System.Action<System.IAsyncResult>(((System.ServiceModel.ICommunicationObject)(this)).EndClose));
    //    }
    //}
   
}

【讨论】：

  • 你在 c:\temp\test.xml 里面放了什么？如何向网络服务发送请求以获取数据（我是否也应该使用信封和正文发送请求，但仅指定为请求）？
  • 我将您的 xml 放入包含信封和正文的文件中。您应该保持请求与当前请求相同，不要进行任何更改。
  • SAPDemoApi 类中的 GetData 负责向 SOAP Web 服务发送请求，但出现错误 Cannot serialize interface SAPWebService.ZMM_SIF_KARAKTERISTIKE_MAT...
  • 您不必将 GetData From : ZMM_SIF_KARAKTERISTIKE_MATResponse 更改为 Envelope 吗？
  • 这两行代码在那个方法中。 var 客户端 = 等待 GetInstanceAsync(); var response = await client.ZMM_SIF_KARAKTERISTIKE_MATAsync(new ZMM_SIF_KARAKTERISTIKE_MATClient(basicHttpBinding, endpointAddress));如何更改它，假设 client.ZMM_SIF_KARAKTERISTIKE_MATAsync 返回 ZMM_SIF_KARAKTERISTIKE_MATResponse？
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