调用webservice服务(通过反射的方式动态调用)

 

调用

                var xtlb = "68";//系统类别
                var jkxlh = "";//接口序列号
                var jkid = "68W05";//接口id
                string WriteXmlDoc = "";
                WriteXmlDoc = @"<?xml version=""1.0"" encoding=""UTF-8""?><root><car><GPSBH>B0002</GPSBH><HPZL>02</HPZL><HPHM>鄂AX0007</HPHM><SBSJ>2020-01-07 12:12:34</SBSJ><JD>114.4308450000</JD><WD>30.5208295700</WD><SD>0</SD><FX>0</FX></car></root>";
                object[] a = new object[4];
                a[0] = (xtlb);
                a[1] = ("");
                a[2] = (jkid);
                a[3] = (WriteXmlDoc);
                WebserviceHelper helper = new WebserviceHelper();
                object result = helper.InvokeWebService("http://localhost:52012/WebService1.asmx", "HelloWorld2", a);
                string message = result.ToString();

Webservice 帮助工具类

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

namespace ConsoleApp2
{
    /// <summary>
    /// Webservice 帮助工具类
    /// </summary>
    public  class WebserviceHelper
    {
        public WebserviceHelper() { }
        /// <summary>
        /// 根据 Url 创建 webservice 实例
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="url"></param>
        /// <returns></returns>
        public  T CreateInstance<T>(string url)
        {
            if (url.EndsWith("svc"))
            {
                return CreateWCF<T>(url);
            }

            if (url.EndsWith("asmx"))
            {
                return CreateAsmx<T>(url);
            }

            return default(T);
        }

        private  T CreateWCF<T>(string url)
        {
            BasicHttpBinding basicBinding = new BasicHttpBinding();
            CustomBinding binding = new CustomBinding(basicBinding);
            BindingElement binaryElement = new BinaryMessageEncodingBindingElement();
            binding.Elements.Remove(binding.Elements[0]);
            binding.Elements.Insert(0, binaryElement);

            EndpointAddress endPoint = new EndpointAddress(url);

            T client = (T)Activator.CreateInstance(typeof(T), binding, endPoint);

            return client;
        }

        private  T CreateAsmx<T>(string url)
        {
            BasicHttpBinding basicBinding = new BasicHttpBinding();
            basicBinding.MaxBufferSize = int.MaxValue;
            basicBinding.MaxReceivedMessageSize = int.MaxValue;
            basicBinding.ReceiveTimeout = TimeSpan.FromMinutes(10);
            basicBinding.OpenTimeout = TimeSpan.FromMinutes(1);

            CustomBinding binding = new CustomBinding(basicBinding);
            EndpointAddress endPoint = new EndpointAddress(url);

            T client = (T)Activator.CreateInstance(typeof(T), binding, endPoint);

            return client;
        }

        #region 动态调用WebService动态调用地址
        /// < 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  object InvokeWebService(string url, string methodname, object[] args)
        {
            return 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">服务接口类名</param>
        /// <param name="methodname">方法名</param>
        /// <param name="args">参数值</param>
        /// <returns></returns>
        public  object InvokeWebService(string url, string classname, string methodname, object[] args)
        {

            string @namespace = "EnterpriseServerBase.WebService.DynamicWebCalling";
            if ((classname == null) || (classname == ""))
            {
                classname = GetWsClassName(url);
            }
            try
            {

                //获取WSDL   
                WebClient wc = new WebClient();
                Stream stream = wc.OpenRead(url + "?WSDL");
                ServiceDescription sd = ServiceDescription.Read(stream);
                //注意classname一定要赋值获取 
                classname = sd.Services[0].Name;

                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);

            }
            catch (Exception ex)
            {
                throw new Exception(ex.InnerException.Message, new Exception(ex.InnerException.StackTrace));
                // return "Error:WebService调用错误！" + ex.Message;
            }
        }
        private  string GetWsClassName(string wsUrl)
        {
            string[] parts = wsUrl.Split('/');
            string[] pps = parts[parts.Length - 1].Split('.');
            return pps[0];
        }
        #endregion
    }
}