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vc2008 访问C# WebService

大柚子top 2022-05-12 阅读 55

1.首先用C#制作WebService。源码如下

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;

namespace Soap
{
[WebService(Namespace = "http://Fantasy/WebServiceDemo/")]
[System.Web.Services.Protocols.SoapRpcService]
public class Service : System.Web.Services.WebService
{
public Service()
{

}

[WebMethod]

public int AddNumbers(int NumberOne, int NumberTwo)
{

return NumberOne + NumberTwo;

}

}
}


2.因为是非托管的vc,所以需要用到微软的soapsdk3.0

 1.先安装soapsdk3.0 下载地址:(​​http://download.microsoft.com/download/2/e/0/2e068a11-9ef7-45f5-820f-89573d7c4939/soapsdk.exe​​)

 2.然后创建一个ConsoleAlicaton程序

#include "stdafx.h"
#include <stdio.h>
#include <stdlib.h>

//先导入msxml4.dll,再导入mssoap30.dll
#import "msxml4.dll"
#import "C:\Program Files\Common Files\MSSoap\Binaries\mssoap30.dll" \
exclude("IStream", "IErrorInfo", "ISequentialStream", "_LARGE_INTEGER", \
"_ULARGE_INTEGER", "tagSTATSTG", "_FILETIME")
using namespace MSXML2;
using namespace MSSOAPLib30;

void Add2(int No1,int No2)

{
//char *_itoa( int value, char *string, int radix );

char str1[10],str2[10];

itoa(No1,str1,10); itoa(No2,str2,10);

ISoapSerializerPtr Serializer;

ISoapReaderPtr Reader;

ISoapConnectorPtr Connector;

// Connect to the service.

Connector.CreateInstance(__uuidof(HttpConnector30));

Connector->Property["EndPointURL"] = "http://localhost:3542/Service.asmx";
Connector->Connect();

// Begin the message.

Connector->Property["SoapAction"] = "http://Fantasy/WebServiceDemo/Sub";

Connector->BeginMessage();

// Create the SoapSerializer object.

Serializer.CreateInstance(__uuidof(SoapSerializer30));

// Connect the serializer object to the input stream of the connector object.

Serializer->Init(_variant_t((IUnknown*)Connector->InputStream));

// Build the SOAP Message.

Serializer->StartEnvelope("","","");

//这里可以添加SoapHeader验证代码:

/*

Serializer->StartHeader("");

Serializer->StartHeaderElement("MyHeader","http://Fantasy/WebServiceDemo/",0,"","NONE","");

Serializer->StartElement("UserName","","","");//填充参数2则出错。

Serializer->WriteString(_bstr_t(userName));

*/

Serializer->StartBody("");

//Serializer->StartElement("AddNumbers","http://Fantasy/WebServiceDemo/","","");
Serializer->StartElement("Sub","http://Fantasy/WebServiceDemo/","","");

//(第三个参数可有可无,若加上第二个参数出错!?)

Serializer->StartElement("NumberOne","","","");// NumberOne=

Serializer->WriteString((_bstr_t)str1);

Serializer->EndElement();

Serializer->StartElement("NumberTwo","","","");// NumberOne=

Serializer->WriteString((_bstr_t)str2);

Serializer->EndElement();

Serializer->EndElement();

//

Serializer->EndBody();

Serializer->EndEnvelope();

// Send the message to the XML Web service.

Connector->EndMessage();

// Read the response.

Reader.CreateInstance(__uuidof(SoapReader30));

// Connect the reader to the output stream of the connector object.

Reader->Load(_variant_t((IUnknown*)Connector->OutputStream), "");

// Display the result.

printf("Answer = %s\n", (const char*)Reader->RpcResult->text);

}

int main()

{

CoInitialize(NULL);

Add2(12,24);

CoUninitialize();

return 0;

}

到此一个c++ 访问WebService的demo做完了。

参考网址:​​​​​http://kimiya25.spaces.live.com/blog/cns!27A083D4FD9435E9!1852.entry?wa=wsignin1.0&sa=490902856​​

​​http://wpf-study.googlecode.com/files/VCInvokeWSDLDemo.rar​​


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