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This article will explain in detail how to use the Razor view engine name. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

First of all, the Razor domain name space used.

UsingSystem.Web.Razor; usingSystem.Web.Razor.Generator; usingSystem.Web.Razor.Parser

The first step, dynamic compilation: parse the view file, generate code, yes, generate code, first. The syntax of Razor can be said to be proprietary, and you need to convert it into standard code before compiling it to generate the familiar C# class Type. It is important to note that the template base class I use in the following code is my own TeamplateBase, which will be given a simple implementation later, with the benefit of flexibility, of course. You can also use Asp.NetMVC 's System.Web.Mvc.WebViewPage directly, but I haven't tried it. There may be other problems that can't be guaranteed.

PublicstaticTypeCompile (stringtemplate_path) {/ / prepare temporary class name, read template file and Razor code generator varclass_name= "c" + Guid.NewGuid (). ToString ("N"); varbase_type=typeof (TemplateBase) .MakeGenericType (typeof (T)); vartemplate=File.ReadAllText (template_path) Varhost=newRazorEngineHost (newCSharpRazorCodeLanguage (), () = > newHtmlMarkupParser ()) {DefaultBaseClass=base_type.FullName, DefaultClassName=class_name, DefaultNamespace= "YourNameSpace.dynamic", GeneratedClassContext= newGeneratedClassContext ("Execute", "Write", "WriteLiteral", "WriteTo", "WriteLiteralTo", "YourNameSpace.TemplateBase")}; host.NamespaceImports.Add ("System"); host.NamespaceImports.Add ("YourNameSpaces") / / generate code CodeCompileUnitcode; using (varreader=newStringReader (template)) {vargeneratedCode=newRazorTemplateEngine (host) .GenerateCode (reader); code=generatedCode.GeneratedCode;} / / prepare compilation parameters var@params=newCompilerParameters {IncludeDebugInformation=false, TempFiles=newTempFileCollection (AppDomain.CurrentDomain .DynamicDirectory), CompilerOptions= "/ target:library/optimize", GenerateInMemory=false} Varassemblies=AppDomain.CurrentDomain .GetAssemblies () .Where (a = >! a.IsDynamic) .Select (a = > a.Location) .ToArray (); @ params.ReferencedAssemblies.AddRange (assemblies); / / compile varprovider=newCSharpCodeProvider (); varcompiled=provider.CompileAssemblyFromDom (@ params,code); if (compiled.Errors.Count > 0) {varcompileErrors=string.Join ("rn", compiled.Errors.Cast () .Select (o = > o.ToString () ThrownewApplicationException ("FailedtocompileRazor:" + compileErrors);} / / after compilation, return the compiled dynamic Type returncompiled.CompiledAssembly.GetType ("Skight.Arch.Presentation.Web.Core .ViewEngins.Razor.dynamic." + class_name);}

How to use the Razor View engine name

The second step is much simpler, just like any static class, create an instance with reflection, then copy the Model object execution template, and the final output is that the data of the Model class is automatically embedded.

PublicstaticstringRender (Tmodel,stringtemplate_path) {vartype=Compile (template_path); / / create view instance varinstance= (TemplateBase) Activator.CreateInstance (type); / / execute template (embed data into file) instance.Model=model; instance.Execute (); / / output final result varresult=instance.Result; returnresult;}

Finally, take a look at the view template class, a base class and a generic base class, the latter for the pre-type Model

PublicabstractclassTemplateBase {publicstringLayout {get;set;} publicUrlHelperUrl {get;set;} publicFuncRenderBody {get;set;} publicstringPath {get;internalset;} publicstringResult {get {returnWriter.ToString ();} protectedTemplateBase () {} publicTextWriterWriter {get {if (writer==null) {writer=newStringWriter ();} returnwriter;} set {writer=value }} privateTextWriterwriter; publicvoidClear () {Writer.Flush ();} publicvirtualvoidExecute () {} publicvoidWrite (object@object) {if (@ object==null) {return;} Writer.Write (@ object);} publicvoidWriteLiteral (string@string) {if (@ string==null) {return;} Writer.Write (@ string) } publicstaticvoidWriteLiteralTo (TextWriterwriter,stringliteral) {if (literal==null) {return;} writer.Write (literal);} publicstaticvoidWriteTo (TextWriterwriter,objectobj) {if (obj==null) {return;} writer.Write (obj);}} publicabstractclassTemplateBase:TemplateBase {publicTModel {get;set }} this is the end of the article on "how to use the engine name of Razor View". I hope the above content can be helpful to you, so that you can learn more knowledge. if you think the article is good, please share it for more people to see.

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