C# .Net动态调用webService
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, string methodname, 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();
其他别人的例子链接:http://linglong117.blog.163.com/blog/static/277145472009127514463/;http://blog.sina.com.cn/s/blog_6427a6b501012omd.html
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