public class Program
    {
        public static void Main(string[] args)
        {
            BuildWebHost(args).Run();
        }

        public static IWebHost BuildWebHost(string[] args) =>
            WebHost.CreateDefaultBuilder(args)
                .UseStartup<Startup>()
                .ConfigureAppConfiguration(TianCheng.Model.ServiceLoader.Appsettings)  // 此处新增一行，用于按环境变量组合appsettings.json文件
                .Build();
    }

    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        public void ConfigureServices(IServiceCollection services)
        {
            services.TianChengBaseServicesInit(Configuration);
        }

        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
        {
            app.TianChengBaseServicesInit(Configuration);
        }
    }

 public class AuthService : IAuthService
 {
   ...
   public string Login(string account, string password)
   {
     ...
     List<Claim> claims = new List<Claim>
     {
          new Claim("id",employee.Id.ToString()),
          new Claim("name", employee.Name ?? ""),
          new Claim("type","AuthService")
     };
    ...
   }
   ...
 }

// 通过高德API获取城市信息
AmapDistricts amap = LoadApi.Get<AmapDistricts>(AmapDistrictApiUrl);

  /// <summary>
  ///  上传文件测试
  /// </summary>
  /// <param name="file"></param>
  [SwaggerOperation(Tags = new[] { "系统管理-测试接口" })]
  [HttpPost("UploadFile")]
  public UploadFileInfo Upfile(IFormFile file)
  {
      string webFile = $"~/wwwroot/UploadFiles/{Guid.NewGuid().ToString()}";
      return UploadFileHandle.UploadImage(webFile, file);
  }

  // 在部门名称更新后，想修改对应员工信息中的名称
  DepartmentService.OnUpdated += EmployeeService.OnDepartmentUpdated;
  // 部门下有员工信息，不允许删除。
  DepartmentService.OnRemoveCheck += EmployeeService.OnRemoveCheck;

      /// <summary>
      /// 按条件查询数据
      /// </summary>
      /// <param name="filter"></param>
      /// <returns></returns>
      public override IQueryable<DepartmentInfo> _Filter(DepartmentQuery filter)
      {
          var query = _Dal.Queryable();

          #region 查询条件
          //不显示删除的数据
          query = query.Where(e => e.IsDelete == false);

          // 按名称的模糊查询
          if (!string.IsNullOrWhiteSpace(filter.Name))
          {
              query = query.Where(e => !string.IsNullOrEmpty(e.Name) && e.Name.Contains(filter.Name));
          }
          // 按上级部门ID查询
          if (!string.IsNullOrWhiteSpace(filter.ParentId))
          {
              query = query.Where(e => e.ParentsIds.Contains(filter.ParentId));
          }
          #endregion

          #region 设置排序规则
          //设置排序方式
          switch (filter.Sort.Property)
          {
              case "name": { query = filter.Sort.IsAsc ? query.OrderBy(e => e.Name) : query.OrderByDescending(e => e.Name); break; }
              case "code": { query = filter.Sort.IsAsc ? query.OrderBy(e => e.Code) : query.OrderByDescending(e => e.Code); break; }
              case "parent": { query = filter.Sort.IsAsc ? query.OrderBy(e => e.ParentName) : query.OrderByDescending(e => e.ParentName); break; }
              case "date": { query = filter.Sort.IsAsc ? query.OrderBy(e => e.UpdateDate) : query.OrderByDescending(e => e.UpdateDate); break; }
              default: { query = query.OrderByDescending(e => e.UpdateDate); break; }
          }
          #endregion

          //返回查询结果
          return query;
      }