动态webservice和静态webservice效率巨大差距2011-12-20 博客园 李祥由于公司项目需要研究webservice由来已久,webservice的效率问题一直是个让人头疼的事情.N就前,鄙人研究了动态反射形式的动态形webservice,也大规模应用在了项目里,怎奈效率却低下到一定程度.具体代码鄙人也贴出来,也就是网上流行的那个动态调用方法
///<summary> ///动态Web服务代理方法 ///</summary> ///<param name="@namespace">传入空间命名</param> ///<param name="url">传入URL参数</param> ///<param name="classname">传入类名</param> ///<param name="methodname">传入方法名</param> ///<param name="args">传入参数,本参数为顺序参数</param> public object InvokeWebservice(string url, string @namespace, string classname, string methodname, object[] args) { try { System.Net.WebClient wc = new System.Net.WebClient(); System.IO.Stream stream = wc.OpenRead(url + "?WSDL"); System.Web.Services.Description.ServiceDescription sd = System.Web.Services.Description.ServiceDescription.Read(stream); System.Web.Services.Description.ServiceDescriptionImporter sdi = new System.Web.Services.Description.ServiceDescriptionImporter(); sdi.AddServiceDescription(sd, "", ""); System.CodeDom.CodeNamespace cn = new System.CodeDom.CodeNamespace(@namespace); System.CodeDom.CodeCompileUnit ccu = new System.CodeDom.CodeCompileUnit(); ccu.Namespaces.Add(cn); sdi.Import(cn, ccu); Microsoft.CSharp.CSharpCodeProvider csc = new Microsoft.CSharp.CSharpCodeProvider(); System.CodeDom.Compiler.ICodeCompiler icc = csc.CreateCompiler(); System.CodeDom.Compiler.CompilerParameters cplist = new System.CodeDom.Compiler.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"); System.CodeDom.Compiler.CompilerResults cr = icc.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()); } 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); return mi.Invoke(obj, args); } catch (Exception ex) { throw new Exception(ex.InnerException.Message, new Exception(ex.InnerException.StackTrace)); } }
动态是被我动态上了,可惜效率却太不行了,今天实在感觉到不行了,就测试了静态.不测不知道,一测试吓一跳.动态方法用了 1.29秒才加载完毕然后我直接用静态测试后只用了0.43秒差距实在太大了.不知道各位有没有动态调用的方法,最起码要实现URL是动态的.如有知道麻烦告之,谢谢!