在ASP Net Core 2.0 MVC中检索应用程序版本

<PropertyGroup>
  <Version>1.0.0</Version>
</PropertyGroup>

public void ConfigureServices(IServiceCollection services)
{
    // 注册应用程序版本服务
    services.AddSingleton<IApplicationVersionService, ApplicationVersionService>();
    // 其他服务注册...
}

public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
    // 其他配置...

    // 使用应用程序版本中间件
    app.UseApplicationVersion();

    // 其他中间件...
}

public interface IApplicationVersionService
{
    string GetVersion();
}

public class ApplicationVersionService : IApplicationVersionService
{
    private readonly string _version;

    public ApplicationVersionService()
    {
        // 从项目文件中读取版本号
        _version = typeof(Startup).Assembly.GetCustomAttribute<AssemblyInformationalVersionAttribute>().InformationalVersion;
    }

    public string GetVersion()
    {
        return _version;
    }
}

public class ApplicationVersionMiddleware
{
    private readonly RequestDelegate _next;
    private readonly IApplicationVersionService _versionService;

    public ApplicationVersionMiddleware(RequestDelegate next, IApplicationVersionService versionService)
    {
        _next = next;
        _versionService = versionService;
    }

    public async Task Invoke(HttpContext context)
    {
        // 将应用程序版本添加到响应头中
        context.Response.Headers.Add("X-Application-Version", _versionService.GetVersion());

        await _next(context);
    }
}

public static class ApplicationVersionMiddlewareExtensions
{
    public static IApplicationBuilder UseApplicationVersion(this IApplicationBuilder builder)
    {
        return builder.UseMiddleware<ApplicationVersionMiddleware>();
    }
}