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c#调用Java的webservices 问题 RRS feed

  • 问题

  • /// <summary>
    
      /// 动态调用WebService
    
      /// </summary>
    
      /// <param name="url">WebService地址</param>
    
      /// <param name="methodname">方法名(模块名)</param>
    
      /// <param name="args">参数列表,无参数为null</param>
    
      /// <returns>object</returns>
    
      public static object InvokeWebService(string url, string classname, string methodname, object[] args)
    
      {
    
       string @namespace = "EnterpriseServerBase.WebService.DynamicWebCalling";
    
       if ((classname == null) || (classname == ""))
    
       {
    
        classname = WebServiceHelper.GetWsClassName(url);
    
       }
    
    
    
       try
    
       {
    
        //获取WSDL
    
        WebClient wc = new WebClient();
    
        Stream stream = wc.OpenRead(url + "?wsdl");
    
        ServiceDescription sd = ServiceDescription.Read(stream);
    
        ServiceDescriptionImporter sdi = new ServiceDescriptionImporter();
    
        sdi.AddServiceDescription(sd, "", "");
    
        CodeNamespace cn = new CodeNamespace(@namespace);
    
    
    
        //生成客户端代理类代码
    
        CodeCompileUnit ccu = new CodeCompileUnit();
    
        ccu.Namespaces.Add(cn);
    
        sdi.Import(cn, ccu);
    
        CSharpCodeProvider csc = new CSharpCodeProvider();
    
        ICodeCompiler icc = csc.CreateCompiler();
    
    
    
        //设定编译参数
    
        CompilerParameters cplist = new CompilerParameters();
    
        cplist.GenerateExecutable = false;
    
        cplist.GenerateInMemory = true;
    
        cplist.ReferencedAssemblies.Add("System.dll");
    
        cplist.ReferencedAssemblies.Add("System.XML.dll");
    
        cplist.ReferencedAssemblies.Add("System.Web.Services.dll");
    
        cplist.ReferencedAssemblies.Add("System.Data.dll");
    
    
    
        //编译代理类
    
        CompilerResults cr = icc.CompileAssemblyFromDom(cplist, ccu);
    
        if (true == cr.Errors.HasErrors)
    
        {
    
         System.Text.StringBuilder sb = new System.Text.StringBuilder();
    
         foreach (System.CodeDom.Compiler.CompilerError ce in cr.Errors)
    
         {
    
          sb.Append(ce.ToString());
    
          sb.Append(System.Environment.NewLine);
    
         }
    
         throw new Exception(sb.ToString());
    
        }
    
    
    
        //生成代理实例,并调用方法
    
        System.Reflection.Assembly assembly = cr.CompiledAssembly;
    
        Type t = assembly.GetType(@namespace + "." + classname, true, true);
    
        object obj = Activator.CreateInstance(t);
    
        System.Reflection.MethodInfo mi = t.GetMethod(methodname);
    
    
    
        return mi.Invoke(obj, args);
    
       }
    
       catch (Exception ex)
    
       {
    
        throw new Exception(ex.InnerException.Message, new Exception(ex.InnerException.StackTrace));
    
       }
    
      }
    
    
    
      private static string GetWsClassName(string wsUrl)
    
      {
    
       string[] parts = wsUrl.Split('/');
    
       string[] pps = parts[parts.Length - 1].Split('.');
    
    
    
       return pps[0];
    
      }
    
    
    大概知道 是命名空间的问题  但是不知道怎么解决  希望高手们帮助下
    2011年1月6日 7:50

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