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public static object InvokeWebService(string url, string className, string methodName, object[] args)
{
string _namespace = "EnterpriseServerBase.WebService.DynamicWebCalling";
if (string.IsNullOrEmpty(className))
{
className = GetWsClassName(url);
}
try
{
//获取wsdl
WebClient wc = new WebClient();
string _url = url.Trim();
if (!_url.Contains("?wsdl"))
{
_url += "?wsdl";
}
Stream stream = wc.OpenRead(_url);
ServiceDescription sd = ServiceDescription.Read(stream);
ServiceDescriptionImporter sdi = new ServiceDescriptionImporter();
sdi.AddServiceDescription(sd, "", "");
//生成客户端代理类
CodeNamespace cn = new CodeNamespace(_namespace);
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 = icc.CompileAssemblyFromDom(cplist, ccu);
if (cr.Errors.HasErrors)
{
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
Assembly assembly = cr.CompiledAssembly;
Type t = assembly.GetType(_namespace + "." + className, true, true);
object obj = Activator.CreateInstance(t);
MethodInfo info = t.GetMethod(methodName);
if (info == null)
{
throw new Exception("未在接口 [" + className + "] 中找到方法 [" + methodName + "]");
}
object result = info.Invoke(obj, args);
return result;
}
catch
{
throw;
}
}