Delphi XE不会正确使用WebService

Question

在下面的WSDL显示中Delphi XE正在创建代码，如此处所示。出的WebService是一个BizTalk服务器上运行：

.... 
.... 

    PicassoBTSTest_PortalOrchestration_Port_Portal = interface(IInvokable) 
    ['{706CEB1F-0EC1-08C2-03C7-395C12905558}'] 
    **procedure Operation_Portal(var part: Variant); stdcall;** 
    end; 

function GetPicassoBTSTest_PortalOrchestration_Port_Portal(UseWSDL: Boolean=System.False; Addr: string=''; HTTPRIO: THTTPRIO = nil): PicassoBTSTest_PortalOrchestration_Port_Portal; 

.... 
.... 

当调用WebService的我做如下所示：

procedure TForm1.Button2Click(Sender: TObject); 
var 
    X: PicassoBTSTest_PortalOrchestration_Port_Portal; 
    V: Variant; 
begin 
    X := GetPicassoBTSTest_PortalOrchestration_Port_Portal; 

    V := 'JUST A TEST'; 

    X.Operation_Portal(V); 
    ShowMessage(V); 
end; 

正如我们在我们的日志这段代码是拨打我们的后端正确见。但我们没有收到正确的回复。调用Operation_Portal后，V参数不变。它包含'JUST A TEST'文本，当它包含其他值时。

我试过从Delphi 2006运行代码，它给了我相同的结果。

我在做什么错。为什么我没有收到我们后端的回应？

/布赖恩

<?xml version="1.0" encoding="UTF-8"?> 
-<wsdl:definitions xmlns:wsx="http://schemas.xmlsoap.org/ws/2004/09/mex" xmlns:wsa10="http://www.w3.org/2005/08/addressing" xmlns:soap12="http://schemas.xmlsoap.org/wsdl/soap12/" xmlns:wsaw="http://www.w3.org/2006/05/addressing/wsdl" xmlns:msc="http://schemas.microsoft.com/ws/2005/12/wsdl/contract" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:wsap="http://schemas.xmlsoap.org/ws/2004/08/addressing/policy" xmlns:wsp="http://schemas.xmlsoap.org/ws/2004/09/policy" xmlns:wsa="http://schemas.xmlsoap.org/ws/2004/08/addressing" xmlns:tns="http://techotel.dk/" xmlns:wsam="http://www.w3.org/2007/05/addressing/metadata" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" targetNamespace="http://techotel.dk/" name="BizTalkServiceInstance">-<wsdl:documentation><CreationInfo Created="2012-01-26 10:31:43Z"/></wsdl:documentation>-<wsdl:types><xsd:schema targetNamespace="http://techotel.dk/Imports"/></wsdl:types>-<wsdl:message name="PicassoBTSTest_PortalOrchestration_Port_Portal_Operation_Portal_InputMessage"><wsdl:part name="part" type="xsd:anyType"/></wsdl:message>-<wsdl:message name="PicassoBTSTest_PortalOrchestration_Port_Portal_Operation_Portal_OutputMessage"><wsdl:part name="part" type="xsd:anyType"/></wsdl:message>-<wsdl:portType name="PicassoBTSTest_PortalOrchestration_Port_Portal"><wsdl:documentation>service "PicassoBTSTest.PortalOrchestration" port "Port_Portal"</wsdl:documentation>-<wsdl:operation name="Operation_Portal"><wsdl:documentation>operation "Operation_Portal"</wsdl:documentation><wsdl:input message="tns:PicassoBTSTest_PortalOrchestration_Port_Portal_Operation_Portal_InputMessage"/><wsdl:output message="tns:PicassoBTSTest_PortalOrchestration_Port_Portal_Operation_Portal_OutputMessage"/></wsdl:operation></wsdl:portType>-<wsdl:binding name="BasicHttpBinding_ITwoWayAsync" type="tns:PicassoBTSTest_PortalOrchestration_Port_Portal"><soap:binding transport="http://schemas.xmlsoap.org/soap/http"/>-<wsdl:operation name="Operation_Portal"><wsdl:documentation>operation "Operation_Portal"</wsdl:documentation><soap:operation style="document" soapAction="Operation_Portal"/>-<wsdl:input><soap:body use="literal"/></wsdl:input>-<wsdl:output><soap:body use="literal"/></wsdl:output></wsdl:operation></wsdl:binding>-<wsdl:service name="BizTalkServiceInstance">-<wsdl:port name="BasicHttpBinding_ITwoWayAsync" binding="tns:BasicHttpBinding_ITwoWayAsync"><soap:address location="http://akibiztalk01.internal.local/PicassoBTSTestPortal/PicassoBTSTest_PortalOrchestration_Port_Portal.svc"/></wsdl:port></wsdl:service></wsdl:definitions> 

Answer 1

首先，我会验证服务器发送一个XML SOAP响应回其中包含了预期值。

如果该值在响应中，则Delphi以某种方式无法将其分配给Variant变量。

该服务是否已在C＃中开发？也许对于测试，编写Delphi版本的服务并比较响应XML结构会很有帮助。