feign.net 使用consul服务发现 配置

所有依赖

 

<Project Sdk="Microsoft.NET.Sdk.Web">

  <PropertyGroup>
    <TargetFramework>net8.0</TargetFramework>
    <Nullable>enable</Nullable>
    <ImplicitUsings>enable</ImplicitUsings>
    <InvariantGlobalization>true</InvariantGlobalization>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="Feign" Version="1.5.2" />
    <PackageReference Include="Feign.DependencyInjection" Version="1.5.2" />
    <PackageReference Include="Feign.Steeltoe" Version="1.5.1" />
    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.3" />
    <PackageReference Include="Serilog" Version="3.1.1" />
    <PackageReference Include="Serilog.Sinks.Console" Version="5.0.0" />
    <PackageReference Include="Serilog.Sinks.File" Version="5.0.0" />
    <PackageReference Include="Steeltoe.Discovery.Consul" Version="3.2.5" />
    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0" />
  </ItemGroup>


</Project>

appsettings.json

{
  "Logging": {
    "LogLevel": {
      "Default": "Information",
      "Microsoft.AspNetCore": "Warning"
    }
  },

  "consul": {
    "host": "127.0.0.1",
    "port": 8500,
    "token":"ca6a320c-f654-5d82-bba7-3df712aee755",
    "discovery": {
      "enabled": false,
      "register": false,
      "port": "5188",
      "ipAddress": "127.0.0.1",
      "preferIpAddress": true
    }
  },
  "AllowedHosts": "*"
}

 

 

// Program.cs

 

using Feign;
using Microsoft.AspNetCore.Mvc;
using Project;
using Steeltoe.Discovery.Client;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();
// 使用包 Steeltoe.Discovery.Consul 3.2.5
builder.Services.AddDiscoveryClient(builder.Configuration);
builder.Services.AddFeignClients(
options =>
{
// 记录日志
options.FeignClientPipeline.UseReceivedResponse(context =>
{
Console.WriteLine("请求的url:"+context.Request.BaseUrl);
//响应数据后触发
return new ValueTask(Task.CompletedTask);
});
}
).AddSteeltoe();

var app = builder.Build();

// Configure the HTTP request pipeline.
if (app.Environment.IsDevelopment())
{
app.UseSwagger();
// app.UseSwaggerUI();
}

app.UseHttpsRedirection();

app.MapGet("/paytest", async ( [FromServices] ITestService testService ) =>
{
// 非常好，终于实现
var res = await testService.GetByIdAsync();
return res;
})

.WithName("GetWeatherForecast")
.WithOpenApi();

app.Run();

 

ITestService

using Feign;

namespace Project;
[FeignClient("weightService")]
[NonFeignClient]
public interface ITestParentService<TModel>
{
    /// <summary>
    /// async get
    /// </summary>
    /// <returns></returns>
    [RequestMapping("", Method = "GET")]
    [MethodId("GetAsync")]
    Task<TModel> GetByIdAsync();
}
[RequestMapping("")]
public interface ITestService:ITestParentService<string>
{
}