VC++6.0访问webservice

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VC++6.0访问webservice

第一步：安装SoapToolkit30

点击这里下载地址 http://download.csdn.net/detail/aasmfox/9578708

第二步:安装测试用的webservice

点这里下载地址：http://download.csdn.net/detail/aasmfox/9578707

第三步：编写测试代码

VC++代码

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

CString _wsURL ,_wsNameSapce , _wsMethodName ; _wsURL =_T("http://127.0.0.1/helloworld/service.asmx?wsdl");_wsNameSapce =_T("http://127.0.0.1/helloworld/");_wsMethodName =_T("HelloWorld");try{HRESULT hr = CoInitialize(NULL);//初始化com环境if(FAILED(hr)){//出错了}ISoapSerializerPtr Serializer;ISoapReaderPtr Reader;ISoapConnectorPtr Connector;CString strName ; //连接到WebServicehr = Connector.CreateInstance(__uuidof(HttpConnector30));if(FAILED(hr)){//创建com对象出错，一般是因为没有安装com}Connector->Property["EndPointURL"] = _bstr_t(_wsURL); Connector->Connect();Connector->Property["SoapAction"] =_bstr_t(_T("http://127.0.0.1/helloworld/HelloWorld"));//开始创建webservice的请求Soap包Connector->BeginMessage();hr = Serializer.CreateInstance(__uuidof(SoapSerializer30));if(FAILED(hr)){//创建com对象出错，一般是因为没有安装com}Serializer->Init(_variant_t((IUnknown*)Connector->InputStream));Serializer->StartEnvelope("SOAP", "http://schemas.xmlsoap.org/soap/envelope/", "");Serializer->SoapAttribute("xsi", "", "http://www.w3.org/2001/XMLSchema-instance", "xmlns");Serializer->SoapAttribute("xsd", "", "http://www.w3.org/2001/XMLSchema", "xmlns");Serializer->StartBody("");Serializer->StartElement(_bstr_t(_wsMethodName), _bstr_t(_wsNameSapce), "", ""); Serializer->EndElement();Serializer->EndBody();Serializer->EndEnvelope();        Connector->EndMessage();//解析返回的soap包hr = Reader.CreateInstance(__uuidof(SoapReader30));if(FAILED(hr)){//创建com对象出错，一般是因为没有安装com}Reader->Load(_variant_t((IUnknown*)Connector->OutputStream), "");CString strResult((const char*)Reader->RpcResult->text);MessageBox(strResult,_T("ok"),MB_OK);strResult = (LPCTSTR)_bstr_t(Reader->RpcResult->xml ); MessageBox(strResult,_T("ok"),MB_OK);return  ;}catch(_com_error &e){            //got a exception}

webservice 代码

using System;using System.Web;using System.Web.Services;using System.Web.Services.Protocols;[WebService(Namespace = "http://127.0.0.1/helloworld/")][WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]public class Service : System.Web.Services.WebService{    public Service () {        //Uncomment the following line if using designed components         //InitializeComponent();     }    [WebMethod]    public string HelloWorld() {        return "Hello World";    }    }

JavaScript 脚本测试代码

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" ><head>    <title>Untitled Page</title></head><body><script type="text/javascript">    function TestSoap()       {          // debugger;          var indata = document.getElementById("TextArea1").value;          var data;          data = '<?xml version="1.0" encoding="utf-8"?>';          data = data + '<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">';          data = data + '<soap:Body>';          data = data + '<Add xmlns="http://127.0.0.1/helloworld">';                 data = data + '</Add>';          data = data + '</soap:Body>';          data = data + '</soap:Envelope>';                var xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");          var URL = "http://127.0.0.1/helloworld/service.asmx?wsdl";          xmlhttp.Open("POST", URL, false);          xmlhttp.SetRequestHeader("Content-Type", "text/xml; charset=utf-8");          xmlhttp.SetRequestHeader("SOAPAction", "http://127.0.0.1/helloworld/HelloWorld");          xmlhttp.Send(data);          document.getElementById("message").innerHTML = xmlhttp.responseText;      }  </script>    <textarea id="TextArea1" rows="2" style="width: 366px"></textarea><br /><input type="button" onclick="TestSoap();" value= "click"/> <div id="message"></div></body></html>

测试结果图

总结：

代码都是从网络上复制粘贴得到的，调试这么个小东西，花了不少时间，原因在于初学都心浮急躁，不明原理而急于求成。

注意事项：

总是返回<faultcode>soap:Client</faultcode>错误，

1.要检查接口函数大小写，要与webservice中的定义一致，

如http://127.0.0.1/helloworld/HelloWorld 和如http://127.0.0.1/helloworld/helloworld 是不一样的。

*2. 名字空间要注意最后的返写杆'/'

_wsNameSapce =_T("http://127.0.0.1/helloworld/");

勿在浮沙筑高台

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