/// <summary>
/// 获取实例对象
/// </summary>
/// <param name="url">服务地址</param>
/// <param name="classname">类名</param>
/// <returns>返回结果</returns>
public static object GetClassInstance(string url, string classname)
{
string @namespace = "EnterpriseServerBase.WebService.DynamicWebCalling";
if ((classname == null) || (classname == ""))
{
classname = WebServiceHelper.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 csc = new CSharpCodeProvider();
//ICodeCompiler icc = csc.CreateCompiler();
//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 = csc.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);
return(obj);
}
catch (Exception ex)
{
throw new Exception(ex.InnerException.Message, new Exception(ex.InnerException.StackTrace));
}
}
/// <summary>
/// 调用web服务
/// </summary>
/// <param name="url">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>返回结果</returns>
public static object InvokeWebService(string url, string classname, string methodname, object[] args)
{
if ((classname == null) || (classname == ""))
{
classname = WebServiceHelper.GetWsClassName(url);
}
try
{
object obj = GetClassInstance(url, classname);
return(InvokeWebService(obj, methodname, args));
}
catch (Exception ex)
{
throw new Exception(ex.InnerException.Message, new Exception(ex.InnerException.StackTrace));
}
}