asp net web api rest tutorial

In ASP. NET Web API, partial fields in the object are displayed through Uris. Sometimes we may not want to display all fields in an object. For example, the client sends the following request:Locaohost: 43321/api/groups/1/items? Fields = idLocaohost: 43321/

Override BOOLCanConvertFrom (ITypeDescriptorContext context, Type sourcetype) {//Check if you can convert if(SourceType = =typeof(string)) { return true; } return Base. CanConvertFrom (context, sourcetype); } Public Override ObjectConvertFrom (ITypeDescriptorContext context, CultureInfo culture,Objectvalue) {//making data type conversions if(Value is string) {GeoPoint point; if(Geopoint.tryparse (string) value, outPoint )

If you do not set the Web API to return data formatters, browser access to the interface will be different from the browser and different forms of results, because the default header of IE browser is Application/json, so when using IE browser to access the interface, You always need to download the JSON file. Of course you can also modify the return data form on the server.In the Application_Start () meth

simpler to find this type and then deserialize the instance of this type directly.Looked for, found that the original is Microsoft.AspNet.WebApi.Core in the Httperror:namespacesystem.web.http{[XmlRoot ("Error")] Public Sealed classhttperror:dictionarystring,Object>, IXmlSerializable { PublicHttperror (); PublicHttperror (stringmessage); PublicHttperror (Modelstatedictionary modelstate,BOOLincludeerrordetail); PublicHttperror (Exception Exception,BOOLincludeerrordetail); Public stringExc

need to check the Modeltype property first. if typeof (DateTime)) { = inputformatterresult.success (DateTime.Parse (Val)); } Else { = inputformatterresult.success (int. Parse (Val)); Now apply this input format class. Public void configureservices (iservicecollection services) { = = { o.inputformatters.add (new custinputformatter ());

Environment preparation1. Amazon EC2 Windows Server with Container2. Visual Studio Enterprise (profresianal to install update 3)3.. NET Core 1.0.0–vs Tooling Preview 2. Please click here to install4. Microsoft. NET Core SDK, can download and install to Microsoft Official websiteExperimental stepsFirst, Docker environment preparationAmazon EC2 Windows Server with container has built-in Docker, as follows:Cli

with Google DHC650) this.width=650; "src=" Http://s5.51cto.com/wyfs02/M00/82/B5/wKiom1deyIXRH6aMAAA64QyvxHc413.png "title=" Qq20160613225136.png "alt=" Wkiom1deyixrh6amaaa64qyvxhc413.png "/>If nothing is passed, it is validated against the validation rules above.650) this.width=650; "src=" Http://s4.51cto.com/wyfs02/M00/82/B4/wKioL1deye_wOztiAAA8hgpHD3A410.png "title=" Qq20160613225255.png "alt=" Wkiol1deye_woztiaaa8hgphd3a410.png "/>If an email is sent, it verifies that the email is correct.Fi

class Compressionhelper {public static byte[] Deflatebyte (byte[] str) {if (str = = null) {return null; } using (Var output = new MemoryStream ()) {using (var compressor = new Ionic.Zlib.DeflateStre AM (output, Ionic.Zlib.CompressionMode.Compress, Ionic.Zlib.CompressionLevel.BestSpe ed)) {Compressor. Write (str, 0, str. Length); } return output. ToArray (); } } }When using the [Deflatecompression] public string Get (int id) {

= =formsauthentication.formscookiename) {ticket=Formsauthentication.decrypt (Percookie.value); Break; } } if(Ticket = =NULL) {Actioncontext.response=Newhttpresponsemessage (Httpstatuscode.forbidden); return; } //TODO: Add additional validation methods Base. OnActionExecuting (Actioncontext); } Catch{actioncontext.response=Newhttpresponsemessage (Httpstatuscode.forbidden); } } }Login Verification

jquery requests, which are serialized using json.stringify, and must be specified in the Transport format contenttype$.ajax ({URL:'/api/sysuser?token= ' +token, type:' PUT ', data:JSON.stringify ({"UserID": ID,"UserName": $ (' #inputUserName '). Val (),"Cellphone": $ (' #inputCellPhone '). Val (),"Email": $ (' #inputEmail '). Val (),"Telephone": $ (' #inputTelePhone '). Val (),"ShowName": $ (' #inputShowName '). Val (),"Roleid": $ (' #selectRole '). V

= "Isapimodule"ScriptProcessor= "%windir%\microsoft.net\framework\v4.0.30319\aspnet_isapi.dll"Precondition= "Classicmode,runtimeversionv4.0,bitness32"Responsebufferlimit= "0" /> Addname= "Extensionlessurlhandler-isapi-4.0_64bit"Path="*."verb= "Get,head,post,debug,put,delete,patch,options"ResourceType= "Unspecified"requireaccess= "Script"Modules= "Isapimodule"ScriptProcessor= "%windir%\microsoft.net\framework64\v4.0.30319\aspnet_isapi.dll"Precondition= "Classicmode,runtimeversionv4.0,bitness64

I have previously written an article that is based on the HttpContext request context to read form parameters, in fact, it can be split separately.Get form values based on filter: (Core code)public void onactionexecuting (ActionExecutingContext filtercontext) { var formvalue = Filtercontext.Requestcontext.httpcontext.request.form[_name];Filtercontext.actionparameters[_actionparametername] = Formvalue; }How the ASP.

=Encoding.Default.GetString (convert.frombase64string (Headervalue.parameter)); * varSplit = credential. Split (':'); $ if(split.) Length = =2)Panax Notoginseng { - varUserName = split[0]; the stringpassword; + if(Useraccounts.trygetvalue (UserName, outpassword)) A { the if(Password = = split[1]) + { -

I. Defining an exception filterUsing System;Using System.Collections.Generic;Using System.Linq;Using System.Web;Using System.Web.Http.Filters;Using System.Net;Using System.Net.Http;Namespace WebApi{public class Notimplexceptionfilter:exceptionfilterattribute{public override void Onexception (httpactionexecutedcontext context){if (context. Exception is NotImplementedException){Context. Response = new Httpresponsemessage (httpstatuscode.notfound);}}}}Note: Httpstatuscode.notfound status code is ju

Receive images uploaded by the mobile side, sample code:[HttpPost] [Apisecurityfilter] PublicIhttpactionresult uploadimg () {stringIMGs =""; Try{System.Web.HttpFileCollection Files=System.Web.HttpContext.Current.Request.Files; foreach(stringKeyinchfiles. AllKeys) {System.Web.HttpPostedFile file=Files[key]; if(!string.isnullorempty (file. FileName) {stringFilePath ="/upload/images/"+datetime.now.tostring ("yyyymm") +"/"; stringDIR =System.Web.HttpContext.Current.Server.MapPath (FilePath); if(!dir

) { if(str = =NULL) { return NULL; } using(varOutput =NewMemoryStream ()) { using ( varCompressor =NewIonic.Zlib.DeflateStream (output, Ionic.Zlib.CompressionMode.Compress, Ionic.zl Ib. Compressionlevel.bestspeed)) {compressor. Write (str,0, str. Length); } returnoutput. ToArray (); } } }When using the [deflatecompression] publicstring Get (int ID)

certificate do not refresh, right-click on the certificate, as follows:The solutions to both of these errors are:1 ) The solution to the error isInstall the certificate to the computer's trusted area, then open the Certificate Manager, which will run at the beginning:certmgr.mscSelect the certificate and right-click the operation.ChooseFollow the prompts, and when you enter the password, this is the password to create the certificateEnter the correct password and follow the instructions.However

1. Modify the Web. config directly, but this is for all Action.Method 2.Add a category with the content shown below:Using system;using system.collections.generic;using system.linq;using system.web;using System;using System.web.http.filters;namespace workflow.filters{Public class Allowcrosssitejsonattribute: ActionFilterAttribute {public override void OnActionExecuted (Httpactionexecutedcontext ActionExecutedContext) { if

HttpController and HttpControllerDescriptorAssembly ParsingHttpController type resolutionSelect the target HttpController typeCreate the target HttpController Through the above content, we have a deep understanding of the core objects of the HttpController activation system. These objects include AssembliesResolver and HttpControllerTypeResolver for parsing the Assembly and valid HttpController types, httpControllerSelector selected for the complete target HttpController is used to activate H

usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingsystem.web;usingSystem.Web.Http.Filters;namespacekingt.web.his.sys{ Public class supportcrossdomainattribute : System.Web.Http.Filters.ActionFilterAttribute { Public Override voidonactionexecuted (Httpactionexecutedcontext actionexecutedcontext) {varResheaders =actionExecutedContext.Response.Headers; if(allowcredentials) {Resheaders.add ("access-control-allow-credentials","true"); } resheaders.add ("Access-control-allow-origin", O