.net核心项目中按环境加载WCF服务 [英] load WCF service by environment in .net core project

问题描述

在.NET核心项目中添加WCF时遇到问题. 过去使用.net时，我可以在web.config中添加多个环境，以便可以在运行时加载正确的Web服务(Dev，Rec，Prod).

I have a problem while adding WCF in .NET core project. When I used .net in the past I can add multiple environment in web.config so I can load the correct web service at runtime (Dev, Rec, Prod).

.net核心项目中的问题，当我添加对WCF服务的引用作为Connected Service时，它创建了一个文件ConnectedService.json，其中包含WCF服务的URL.

The problem in .net core project when I added a reference of my WCF service as Connected Service it created one file ConnectedService.json that contains a url for the WCF service.

{
  "ProviderId": "Microsoft.VisualStudio.ConnectedService.Wcf",
  "Version": "15.0.20406.879",
  "GettingStartedDocument": {
    "Uri": "https://go.microsoft.com/fwlink/?linkid=858517"
  },
  "ExtendedData": {
    "Uri": "*****?singleWsdl",
    "Namespace": "Transverse.TokenService",
    "SelectedAccessLevelForGeneratedClass": "Public",
    "GenerateMessageContract": false,
    "ReuseTypesinReferencedAssemblies": true,
    "ReuseTypesinAllReferencedAssemblies": true,
    "CollectionTypeReference": {
      "Item1": "System.Collections.Generic.List`1",
      "Item2": "System.Collections.dll"
    },
    "DictionaryCollectionTypeReference": {
      "Item1": "System.Collections.Generic.Dictionary`2",
      "Item2": "System.Collections.dll"
    },
    "CheckedReferencedAssemblies": [],
    "InstanceId": null,
    "Name": "Transverse.TokenService",
    "Metadata": {}
  }
}

我的问题是如何根据使用的环境加载正确的服务.

My question how can I load the correct service based on the used environment.

注意.

在我的项目中，我既没有appsettings也没有网络配置.这是一个.net核心类库，在ASP.NET核心应用程序中被称为中间件.

In my Project, I did not have an appsettings neither web config. It is a .net core class library and it is called in ASP.NET core Application as Middleware.

推荐答案

该解决方案对谁感兴趣 我在每个appseetings.{environment} .json中添加了服务的终结点，并在Service类中根据环境变量ASPNETCORE_ENVIRONMENT注入了服务的新实例

For whom are interested by the solution I added an endpoint for my service in each appseetings.{environment}.json and in Service class I inject new Instance of my service based on the environment variable ASPNETCORE_ENVIRONMENT

   services.AddTransient<Transverse.TokenService.ITokenService>(provider =>
        {
            var client = new Transverse.TokenService.TokenServiceClient();
            client.Endpoint.Address = new System.ServiceModel.EndpointAddress(Configuration["Services:TokenService"]);
            return client;
        });

也许不是最好的，但是效果很好.

Maybe is not the best but it works fine.

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