动态调用webservice地址（类）

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,无参数为null</param>
/// <returns>object</returns>
public static object InvokeWebService(string url, string methodname, object[] args)
{
return InvokeWebService(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)
{
try
{
string @namespace = "WebService.webservice";
if (classname == null || classname == "")
{
classname = WebServiceHelper.GetClassName(url);
}

WebClient wc = new WebClient();
Stream stream = wc.OpenRead(url + "?WSDL");   //获取服务描述语言(WSDL)
System.Web.Services.Description.ServiceDescription sd = System.Web.Services.Description.ServiceDescription.Read(stream);    //通过直接从 Stream实例加载 XML 来初始化ServiceDescription类的实例。
ServiceDescriptionImporter sdi = new ServiceDescriptionImporter();

sdi.AddServiceDescription(sd, "", "");
CodeNamespace cn = new CodeNamespace(@namespace);  //CodeNamespace表示命名空间声明。
//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();//取得C#程式码编译器的执行个体

//设定编译器的参数
CompilerParameters cplist = new CompilerParameters();//创建编译器的参数实例
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);//MethodInfo 的实例可以通过调用GetMethods或者Type对象或派生自Type的对象的GetMethod方法来获取，还可以通过调用表示泛型方法定义的 MethodInfo 的MakeGenericMethod方法来获取。
return mi.Invoke(obj, args);
}
catch (Exception ex)
{
PubCommon.WriteLog("WebService调用失败:" + ex.Message);
}
return null;

}
private static string GetClassName(string url)
{
//假如URL为"http://localhost/InvokeService/Service1.asmx"
//最终的返回值为 Service1
string[] parts = url.Split('/');
string[] pps = parts[parts.Length - 1].Split('.');
return pps[0];
}
}

object[] ob = new object[] { UnitId, User, Pwd, Phone, Email, sysList.Split(','), Scenic.Split(','), "Manager" };

string result = Convert.ToString(WebServiceHelper.InvokeWebService(LoginWebServices, methodName1, ob));