动态使用webservice,以及含有ref类型的参数的问题
public class WSHelper { /// < summary> /// 动态调用web服务 /// < /summary> /// < param name="url">WSDL服务地址< /param> /// < param name="methodname">方法名< /param> /// < param name="args">参数< /param> /// < returns>< /returns> public static object InvokeWebService(string url, string methodname, object[] args, Type[] arrytype) { return WSHelper.InvokeWebService(url + "/Services/ExcelAddIns.asmx", null, methodname, args, arrytype); } /// < summary> /// 动态调用web服务 /// < /summary> /// < param name="url">WSDL服务地址< /param> /// < param name="classname">类名< /param> /// < param name="methodname">方法名< /param> /// < param name="args">参数< /param> /// < returns>< /returns> public static object InvokeWebService(string url, string classname, string methodname, object[] args, Type[] arrytype) { string @namespace = "OGC_Addin.Class"; if ((classname == null) || (classname == "")) { classname = WSHelper.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 icc = new CSharpCodeProvider(); //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()); } System.Reflection.Assembly assembly = cr.CompiledAssembly; Type t = assembly.GetType(@namespace + "." + classname, true, true); object obj = Activator.CreateInstance(t); System.Reflection.MethodInfo mi; if (arrytype.Length > 0) { mi = t.GetMethod(methodname, arrytype); } else { 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]; } }
//----------------------------------------------------------
//参数传递方式
public int ApproveTestReportByHHX(string SeverUrl, int testReportId, string UId, ref string msg)
{
int tem =0;
object[] para_arry = new object[3];
para_arry[0] = testReportId;
para_arry[1] = UId;
para_arry[2] = msg;
Type[] type_arry = new Type[] {
typeof(int),
typeof(string),
typeof(string).MakeByRefType()
};
tem =(bool) WSHelper.InvokeWebService(SeverUrl, "ApproveReportByHHX", para_arry, type_arry)?1:0;
//Ogcis_Server.ExcelAddInsSoapClient soap = new Ogcis_Server.ExcelAddInsSoapClient();
//tem = soap.ApproveReportByHHX(testReportId, UId, ref msg);
msg=para_arry[2].ToString();
return tem;
}