using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.CodeDom.Compiler;
using Microsoft.CSharp;
using System.Web.Services.Description;
using System.CodeDom;

namespace SiaSun.LMS.Common
{
    public static class WebServiceHelper
    {

        /// <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</param> 
        /// <returns>object</returns> 
        //public static object InvokeWebService(string url,string methodname, object[] args)
        //{
        //    return InvokeWebService(string.Format("{0}",url), null, methodname, args);
        //}
        /// <summary> 
        /// 动态调用WebService 
        /// </summary> 
        /// <param name="url">WebService地址</param> 
        /// <param name="classname">类名</param> 
        /// <param name="methodname">方法名(模块名)</param> 
        /// <param name="args">参数列表</param> 
        /// <returns>object</returns> 
        //public static object InvokeWebService(string url, string classname, string methodname, object[] args)
        //{
        //    string @namespace = "ServiceBase.WebService.DynamicWebLoad";
        //    if (classname == null || classname == "")
        //    {
        //        classname = WebServiceHelper.GetClassName(url);
        //    }
        //    //获取服务描述语言(WSDL) 
        //    WebClient wc = new WebClient();
        //    System.IO.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();
        //    //设定编译器的参数 
        //    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 StringBuilder();
        //        foreach (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);
        //}

        private static string GetClassName(string url)
        {
            string[] parts = url.Split('/');

            string[] pps = parts[parts.Length - 1].Split('.');

            return pps[0];
        }


    }

}