通过 WCF 从 .NET 获取 SAP Web 服务

发布于 2024-10-02 16:16:49 字数 3475 浏览 2 评论 0原文

我正在尝试通过 WCF 使用 .NET 中的 SAP Web 服务。我已经生成了代理并配置了 app.config 文件。

这是我的测试代码:

WebServiceSAP.ZTEST_RFCClient myWCFService = new WebServiceSAP.ZTEST_RFCClient("MyEndPoint");

myWCFService.ClientCredentials.UserName.UserName = "<UserName>";
myWCFService.ClientCredentials.UserName.Password = "<Password>";

WebServiceSAP.ZTestRfc parameter = new WebServiceSAP.ZTestRfc();
parameter.TestInput = "This is a simple test";

WebServiceSAP.ZTestRfcResponse response = myWCFService.ZTestRfc(parameter);

Console.WriteLine(reponse.TestOutput);
Console.ReadLine();            

ZTestRFC SAP 方法是一个非常简单的函数,它接受输入字符串,并输出: "Result:"

当我调用 ZTestRFC 方法时,我得到了一个变量响应中的空值。但 SOAP 消息似乎没问题。

SOAP 请求

<MessageLogTraceRecord>
<HttpRequest xmlns="http://schemas.microsoft.com/2004/06/ServiceModel/Management/MessageTrace">
<Method>POST</Method>
<QueryString></QueryString>
<WebHeaders>
<VsDebuggerCausalityData>uIDPoxJmI5NcDatNiPM/wFAr52kAAAAAtqHAVnNWjEeMpMExOyr/vN7OXwCJZltNnikldpg5migACQAA</VsDebuggerCausalityData>
</WebHeaders>
</HttpRequest>
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
<s:Header>
<Action s:mustUnderstand="1" xmlns="http://schemas.microsoft.com/ws/2005/05/addressing/none">urn:sap-com:document:sap:soap:functions:mc-style:ZTEST_RFC:ZTestRfcRequest</Action>
</s:Header>
<s:Body xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<ZTestRfc xmlns="urn:sap-com:document:sap:soap:functions:mc-style">
<TestInput xmlns="">This is a simple test</TestInput>
</ZTestRfc>
</s:Body>
</s:Envelope>
</MessageLogTraceRecord>

SOAP 响应

<MessageLogTraceRecord>
<HttpResponse xmlns="http://schemas.microsoft.com/2004/06/ServiceModel/Management/MessageTrace">
<StatusCode>OK</StatusCode>
<StatusDescription>OK</StatusDescription>
<WebHeaders>
<Content-Length>359</Content-Length>
<Content-Type>text/xml; charset=utf-8</Content-Type>
<Set-Cookie>MYSAPSSO2=AjExMDABAAxQMDEwMDA1MSAgICACAAMwNDADAAhEMTEgICAgIAQADDIwMTAxMTEwMTIwOQUABAAAAAgGAAFYCQABU%2f8A9jCB8wYJKoZIhvcNAQcCoIHlMIHiAgEBMQswCQYFKw4DAhoFADALBgkqhkiG9w0BBwExgcIwgb8CAQEwEzAOMQwwCgYDVQQDEwNQMTECAQAwCQYFKw4DAhoFAKBdMBgGCSqGSIb3DQEJAzELBgkqhkiG9w0BBwEwHAYJKoZIhvcNAQkFMQ8XDTEwMTExMDEyMDk0OFowIwYJKoZIhvcNAQkEMRYEFJC%2fNFLVBnu1ZAodWTlPApEs8sApMAkGByqGSM44BAMEMDAuAhUBS844BOB%2f8NgEGuepMgLaKbVEGGUCFQFLs6HiI%21BWT1MejMqvABd3%2fJFVMw%3d%3d; path=/; domain=.<domain ... ></Set-Cookie>
<Server>SAP NetWeaver Application Server / ABAP 700</Server>
</WebHeaders>
</HttpResponse>
<SOAP-ENV:Envelope xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
<s:Header xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"></s:Header>
<SOAP-ENV:Body>
<rfc:ZTestRfcResult xmlns:rfc="urn:sap-com:document:sap:soap:functions:mc-style">
<TestOutput xmlns="">Result:</TestOutput>
</rfc:ZTestRfcResult>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>
</MessageLogTraceRecord>

我不知道会发生什么。有什么想法吗?

提前致谢

I'm trying to consume a SAP Web Service from .NET via WCF. I've generated the proxy and I have configured the app.config file.

Here is my test code:

WebServiceSAP.ZTEST_RFCClient myWCFService = new WebServiceSAP.ZTEST_RFCClient("MyEndPoint");

myWCFService.ClientCredentials.UserName.UserName = "<UserName>";
myWCFService.ClientCredentials.UserName.Password = "<Password>";

WebServiceSAP.ZTestRfc parameter = new WebServiceSAP.ZTestRfc();
parameter.TestInput = "This is a simple test";

WebServiceSAP.ZTestRfcResponse response = myWCFService.ZTestRfc(parameter);

Console.WriteLine(reponse.TestOutput);
Console.ReadLine();            

The ZTestRFC SAP method is a very simple function that accepts an input string, and outputs: "Result: <the input string>"

When I call ZTestRFC method, I got a null value in variable response. But SOAP messages seem to be fine.

SOAP Request

<MessageLogTraceRecord>
<HttpRequest xmlns="http://schemas.microsoft.com/2004/06/ServiceModel/Management/MessageTrace">
<Method>POST</Method>
<QueryString></QueryString>
<WebHeaders>
<VsDebuggerCausalityData>uIDPoxJmI5NcDatNiPM/wFAr52kAAAAAtqHAVnNWjEeMpMExOyr/vN7OXwCJZltNnikldpg5migACQAA</VsDebuggerCausalityData>
</WebHeaders>
</HttpRequest>
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
<s:Header>
<Action s:mustUnderstand="1" xmlns="http://schemas.microsoft.com/ws/2005/05/addressing/none">urn:sap-com:document:sap:soap:functions:mc-style:ZTEST_RFC:ZTestRfcRequest</Action>
</s:Header>
<s:Body xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<ZTestRfc xmlns="urn:sap-com:document:sap:soap:functions:mc-style">
<TestInput xmlns="">This is a simple test</TestInput>
</ZTestRfc>
</s:Body>
</s:Envelope>
</MessageLogTraceRecord>

SOAP Response

<MessageLogTraceRecord>
<HttpResponse xmlns="http://schemas.microsoft.com/2004/06/ServiceModel/Management/MessageTrace">
<StatusCode>OK</StatusCode>
<StatusDescription>OK</StatusDescription>
<WebHeaders>
<Content-Length>359</Content-Length>
<Content-Type>text/xml; charset=utf-8</Content-Type>
<Set-Cookie>MYSAPSSO2=AjExMDABAAxQMDEwMDA1MSAgICACAAMwNDADAAhEMTEgICAgIAQADDIwMTAxMTEwMTIwOQUABAAAAAgGAAFYCQABU%2f8A9jCB8wYJKoZIhvcNAQcCoIHlMIHiAgEBMQswCQYFKw4DAhoFADALBgkqhkiG9w0BBwExgcIwgb8CAQEwEzAOMQwwCgYDVQQDEwNQMTECAQAwCQYFKw4DAhoFAKBdMBgGCSqGSIb3DQEJAzELBgkqhkiG9w0BBwEwHAYJKoZIhvcNAQkFMQ8XDTEwMTExMDEyMDk0OFowIwYJKoZIhvcNAQkEMRYEFJC%2fNFLVBnu1ZAodWTlPApEs8sApMAkGByqGSM44BAMEMDAuAhUBS844BOB%2f8NgEGuepMgLaKbVEGGUCFQFLs6HiI%21BWT1MejMqvABd3%2fJFVMw%3d%3d; path=/; domain=.<domain ... ></Set-Cookie>
<Server>SAP NetWeaver Application Server / ABAP 700</Server>
</WebHeaders>
</HttpResponse>
<SOAP-ENV:Envelope xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
<s:Header xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"></s:Header>
<SOAP-ENV:Body>
<rfc:ZTestRfcResult xmlns:rfc="urn:sap-com:document:sap:soap:functions:mc-style">
<TestOutput xmlns="">Result:</TestOutput>
</rfc:ZTestRfcResult>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>
</MessageLogTraceRecord>

I don't know what could be happening. Any ideas?

Thanks in advance

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二智少女 2024-10-09 16:16:50

顺便说一句,看起来当您创建代理时(顺便说一句,您使用什么技术来做到这一点?),SAP 告诉 .NET 参数和响应将位于某个名称空间中,但您要在空命名空间(“”)。这可能就是 SAP 服务返回“结果:”的原因。您可能会收到空响应,因为您的代理可能期望 TestOutput 元素位于不同的命名空间中。

查看生成的代理类并了解需要哪些命名空间。

Offhand, it looks like when you created the proxy (BTW, what technique did you use to do that?), SAP told .NET that the parameter and the response would be in some namespace, but that you're sending the parameter in the empty namespace (""). That may be why the SAP service is returning "Result:". You may be getting a null response because your proxy may be expecting the TestOutput element to be in a different namespace.

Look at the generated proxy classes and see what namespaces are expected.

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