我尝试在 ASP.NET Core 6.0 中创建一个新的 Web API,如图所示https://docs.microsoft.com/en-us/aspnet/core/tutorials/first-web-api?view=aspnetcore-6.0&tabs=visual -studio-code#create-a-web-project。
这是WeatherForecastController
我的新项目:
using Microsoft.AspNetCore.Mvc;
// see here This is ends with ";". And showing this error "{ expected [TodoApi]"
namespace TodoApi.Controllers;
[ApiController]
[Route("[controller]")]
public class WeatherForecastController : ControllerBase
{
// some code
}
WeatherForecast
班级看起来像这样
// see here This is ends with ";". And showing this error "{ expected [TodoApi]"
namespace TodoApi;
public class WeatherForecast
{
// some code
}
并且所有命名空间都丢失了。
program.cs
文件看起来像这样;创建时它没有任何命名空间:
var builder = WebApplication.CreateBuilder(args);
// Add services to the container.
builder.Services.AddControllers();
// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();
//.......
而且TodoApi.GlobalUsings.g.cs
文件也有错误
// <auto-generated/>
global using global::Microsoft.AspNetCore.Builder;
global using global::Microsoft.AspNetCore.Hosting;
global using global::Microsoft.AspNetCore.Http;
global using global::Microsoft.AspNetCore.Routing;
global using global::Microsoft.Extensions.Configuration;
global using global::Microsoft.Extensions.DependencyInjection;
global using global::Microsoft.Extensions.Hosting;
global using global::Microsoft.Extensions.Logging;
global using global::System;
global using global::System.Collections.Generic;
global using global::System.IO;
global using global::System.Linq;
global using global::System.Net.Http;
global using global::System.Net.Http.Json;
global using global::System.Threading;
global using global::System.Threading.Tasks;
的输出dotnet --info
是
.NET SDK (reflecting any global.json):
Version: 6.0.100
Commit: 9e8b04bbff
Runtime Environment:
OS Name: ubuntu
OS Version: 20.04
OS Platform: Linux
RID: ubuntu.20.04-x64
Base Path: /snap/dotnet-sdk/147/sdk/6.0.100/
Host (useful for support):
Version: 6.0.0
Commit: 4822e3c3aa
.NET SDKs installed:
6.0.100 [/snap/dotnet-sdk/147/sdk]
.NET runtimes installed:
Microsoft.AspNetCore.App 6.0.0 [/snap/dotnet-sdk/147/shared/Microsoft.AspNetCore.App]
Microsoft.NETCore.App 6.0.0 [/snap/dotnet-sdk/147/shared/Microsoft.NETCore.App]
To install additional .NET runtimes or SDKs:
https://aka.ms/dotnet-download
但是如果我创建一个 ASP.NET Core 3.1 项目,它不会显示这些错误(我安装了 ASP.NET Core 3.1 来创建 ASP.NET Core 3.1 Web API)。
我不知道为什么在创建新的 ASP.NET Core 6.0 Web API 项目时会出现这些错误。
有人知道吗 ?
编辑:我正在使用 Visual Studio 代码。和 TodoApi.csproj
<Project Sdk="Microsoft.NET.Sdk.Web">
<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="6.0.0" />
<PackageReference Include="Swashbuckle.AspNetCore" Version="6.2.3" />
</ItemGroup>
</Project>