[DependsOn(typeof(OrmDapperModule))]
public class AbpZeroTemplateWebCoreModule : AbpModule

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

private readonly IDapperRepository<User, long> _useDapperRepository;
//1 use sql 
var output = (await _useDapperRepository.QueryAsync<User>("select * from AbpUsers")).ToList();
//2 no sql
var output = (await _useDapperRepository.GetListAsync<User>()).ToList();
//3 use uow
using (var uow = _useDapperRepository.Begin())
{
	var output = (await _useDapperRepository.QueryAsync<User>("select * from AbpUsers")).ToList();	
	uow.Dispose();
}

Install-Package Abp.Extension.Background

public class TestTask : IHTask
    {

        public ILogger Logger { get; set; }
        public TestTask()
        {
            Logger = IocManager.Instance.Resolve<ILogger>();
        }

        public void Run()
        {
            Logger.Debug("测试任务执行.............");
        }

        public string Cron()
        {
            return Hangfire.Cron.Minutely();
        }
    }

//依赖
[DependsOn(typeof(AbpBackgroundModule))]
//注册
public override void PostInitialize()
        {
            
            var queue = IocManager.Resolve<BackTaskQueue>();
            queue.Add(typeof(TestTask).FullName, typeof(TestTask));

        }

//a. ConfigureServices方法
services.AddHangfire(config =>
            {                
                config.UseMemoryStorage();
            });
//b.Configure方法
//app.UseHangfireDashboard("/hangfire", new DashboardOptions
  //          {
    //            Authorization = new[] { new AbpHangfireAuthorizationFilter(AppPermissions.Pages_Administration_HangfireDashboard) }
      //      });
app.UseHangfireServer();
//****
app.RunHangfireTask();