C# 动态调用webservice 时超时如何处理?
缘中人 2019-03-21 11:47:31 https://ask.csdn.net/questions/347403
public object ExecWebService(string classname, string methodname, object[] args)
{
string @namespace = "WebService.webservice";
if (classname == null || classname == "")
{
classname = this.GetClassName();
}
WebClient wc = new WebClient();
Stream stream = wc.OpenRead(this._wsdlUrl + "?WSDL"); //获取服务描述语言(WSDL)
ServiceDescription sd = 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();
//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 = csc.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);
}