webService动态调用及返回至处理

http://www.cnblogs.com/xffy1028/archive/2012/05/07/2487595.html

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Net;
using System.IO;
using System.Web.Services.Description;
using System.CodeDom;
using Microsoft.CSharp;
using System.CodeDom.Compiler;
using System.Reflection;

namespace HTTPS
{
??? 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)
??????? {
??????????? return WSHelper.InvokeWebService(url,null,methodname,args);
??????? }
??????? /// < 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,object[] args)
??????? {
??????????? string @namespace = "EnterpriseServerBase.WebService.DynamicWebCalling";
??????????? 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());
??????????????? }
??????????????? //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);
??????????????? // PropertyInfo propertyInfo = type.GetProperty(propertyname);????
??????????????? //return propertyInfo.GetValue(obj,null);
??????????? }
??????????? 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];
??????? }
??? }
}

调用

string url = "http://webservice.webxml.com.cn/WebServices/TrainTimeWebService.asmx";
??????????? string[] args = new string[2];
??????????? args[0] = "k123";
??????????? args[1] = "";
??????????? object result = WSHelper.InvokeWebService(url,"getDetailInfoByTrainCode",args);
??????????? DataSet ds = (DataSet)result;
??????????? this.GridView1.DataSource = ds;
??????????? this.GridView1.DataBind();

?

反射结果

http://www.voidcn.com/article/p-wqjzlmkb-qn.html

?public void PrintData(object o) ??? { ??????? Type Tp = o.GetType(); ??????? FieldInfo[] fields = Tp.GetFields(); ??????? Response.Write("Fields:<br/>"); ??????? for (int i = 0; i < fields.Length; ++i) ??????? { ??????????? FieldInfo filed = fields.GetValue(i) as FieldInfo; ??????????? string str = String.Format("Field Name:{0}/tField Value:{1}",filed.Name,filed.GetValue(o)); ??????????? Response.Write(str + "<br/>"); ??????? } ??????? Response.Write("<br/>"); ??? }