WebserviceHelper帮助类：

  1 using System;
  2 using System.Collections.Generic;
  3 using System.Linq;
  4 using System.Text;
  5 using System.ServiceModel;
  6 using System.ServiceModel.Channels;
  7 using System.Net;
  8 using System.Web.Services.Description;
  9 using System.CodeDom;
 10 using Microsoft.CSharp;
 11 using System.CodeDom.Compiler;
 12 using System.IO;
 13 
 14 namespace Common
 15 {
 16     public class WebServiceHelper
 17     {
 18         #region 动态调用WebService动态调用地址
 19         /// < summary>           
 20         /// 动态调用web服务         
 21         /// < /summary>          
 22         /// < param name="url">WSDL服务地址< /param> 
 23         /// < param name="methodname">方法名< /param>           
 24         /// < param name="args">参数< /param>           
 25         /// < returns>< /returns>          
 26         public static object InvokeWebService(string url, string methodname, object[] args)
 27         {
 28             return WebServiceHelper.InvokeWebService(url, null, methodname, args);
 29         }
 30         /// <summary>
 31         /// 动态调用web服务
 32         /// </summary>
 33         /// <param name="url">WSDL服务地址</param>
 34         /// <param name="classname">服务接口类名</param>
 35         /// <param name="methodname">方法名</param>
 36         /// <param name="args">参数值</param>
 37         /// <returns></returns>
 38         public static object InvokeWebService(string url, string classname, string methodname, object[] args)
 39         {
 40 
 41             string @namespace = "EnterpriseServerBase.WebService.DynamicWebCalling";
 42             if ((classname == null) || (classname == ""))
 43             {
 44                 classname = WebServiceHelper.GetWsClassName(url);
 45             }
 46             try
 47             {
 48 
 49                 //获取WSDL   
 50                 WebClient wc = new WebClient();
 51                 Stream stream = wc.OpenRead(url + "?wsdl");
 52                 ServiceDescription sd = ServiceDescription.Read(stream);
 53                 //注意classname一定要赋值获取 
 54                 classname = sd.Services[0].Name;
 55 
 56                 ServiceDescriptionImporter sdi = new ServiceDescriptionImporter();
 57                 sdi.AddServiceDescription(sd, "", "");
 58                 CodeNamespace cn = new CodeNamespace(@namespace);
 59 
 60                 //生成客户端代理类代码          
 61                 CodeCompileUnit ccu = new CodeCompileUnit();
 62                 ccu.Namespaces.Add(cn);
 63                 sdi.Import(cn, ccu);
 64                 CSharpCodeProvider icc = new CSharpCodeProvider();
 65 
 66 
 67                 //设定编译参数                 
 68                 CompilerParameters cplist = new CompilerParameters
 69                 {
 70                     GenerateExecutable = false,
 71                     GenerateInMemory = true
 72                 };
 73                 cplist.ReferencedAssemblies.Add("System.dll");
 74                 cplist.ReferencedAssemblies.Add("System.XML.dll");
 75                 cplist.ReferencedAssemblies.Add("System.Web.Services.dll");
 76                 cplist.ReferencedAssemblies.Add("System.Data.dll");
 77                 //编译代理类                 
 78                 CompilerResults cr = icc.CompileAssemblyFromDom(cplist, ccu);
 79                 if (true == cr.Errors.HasErrors)
 80                 {
 81                     System.Text.StringBuilder sb = new System.Text.StringBuilder();
 82                     foreach (System.CodeDom.Compiler.CompilerError ce in cr.Errors)
 83                     {
 84                         sb.Append(ce.ToString());
 85                         sb.Append(System.Environment.NewLine);
 86                     }
 87                     throw new Exception(sb.ToString());
 88                 }
 89                 //生成代理实例，并调用方法                 
 90                 System.Reflection.Assembly assembly = cr.CompiledAssembly;
 91                 Type t = assembly.GetType(@namespace + "." + classname, true, true);
 92                 object obj = Activator.CreateInstance(t);
 93                 System.Reflection.MethodInfo mi = t.GetMethod(methodname);
 94                 return mi.Invoke(obj, args);
 95 
 96             }
 97             catch (Exception ex)
 98             {
 99                 //throw new Exception(ex.InnerException.Message, new Exception(ex.InnerException.StackTrace));
100                 return "Error:WebService调用错误！" + ex.Message;
101             }
102         }
103         private static string GetWsClassName(string wsUrl)
104         {
105             string[] parts = wsUrl.Split('/');
106             string[] pps = parts[parts.Length - 1].Split('.');
107             return pps[0];
108         }
109         #endregion
110     }
111 }

View Code

调用方法：

 1         /// <summary>
 2         /// 调用操作
 3         /// </summary>
 4         /// <param name="sender"></param>
 5         /// <param name="e"></param>
 6         private static string Operation(string msgHeader,string msgBody)
 7         {
 8             #region 动态调用 webservices地址
 9             string message = string.Empty;
10             try
11             {
12                 object[] args = new object[2];                
13                 args[0] = msgHeader;
14                 args[1] = msgBody;
15                 object result = WebServiceHelper.InvokeWebService("http://192.168.1.100:8000/Service.asmx", "serviceMethod", args);
16                 message = result.ToString();
17             }
18             catch { }
19             return message;
20             #endregion
21         }

View Code