/// < 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, SoapHeader soapHeader, object[] args)
{
if (url.EndsWith("?wsdl", true, null))
{
url = url.Substring(0, url.Length - 5);
}
string @namespace = "EnterpriseServerBase.WebService.DynamicWebCalling";
if ((classname == null) || (classname == ""))
{
classname = WebServicesUtil.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 (cr.Errors.HasErrors)
{
StringBuilder sb = new StringBuilder();
foreach (CompilerError ce in cr.Errors)
{
sb.Append(ce.ToString());
sb.Append(Environment.NewLine);
}
throw new Exception(sb.ToString());
}
//保存生产的代理类，默认是保存在bin目录下面
TextWriter writer = File.CreateText("PdeWebServices.cs");
icc.GenerateCodeFromCompileUnit(ccu, writer, null);
writer.Flush();
writer.Close();
//生成代理实例
Assembly assembly = cr.CompiledAssembly;
Type t = assembly.GetType(@namespace + "." + classname, true, true);
object obj = Activator.CreateInstance(t);
#region 设置SoapHeader
FieldInfo client = null;
object clientkey = null;
if (soapHeader != null)
{
client = t.GetField(soapHeader.ClassName + "Value");
//获取客户端验证对象 soap类
Type typeClient = assembly.GetType(@namespace + "." + soapHeader.ClassName);
//为验证对象赋值 soap实例
clientkey = Activator.CreateInstance(typeClient);
//遍历属性
foreach (KeyValuePair <string, object> property in soapHeader.Properties)
{
typeClient.GetField(property.Key).SetValue(clientkey, property.Value);
// typeClient.GetProperty(property.Key).SetValue(clientkey, property.Value, null);
}
}
#endregion
if (soapHeader != null)
{
//设置Soap头
client.SetValue(obj, clientkey);
//pro.SetValue(obj, soapHeader, null);
}
//调用指定的方法
MethodInfo mi = t.GetMethod(methodname);
//方法名错误（找不到方法），给出提示
if (null == mi)
{
return("方法名不存在，请检查方法名是否正确！");
}
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));
}
}
/// <summary>
/// 动态调用web服务（含有SoapHeader）
/// </summary>
/// <param name="url"></param>
/// <param name="methodname"></param>
/// <param name="soapHeader"></param>
/// <param name="args"></param>
/// <returns></returns>
public static object InvokeWebService(string url, string methodname, SoapHeader soapHeader, object[] args)
{
return(WebServicesUtil.InvokeWebService(url, null, methodname, soapHeader, args));
}
