在 ASP.NET Core和Worker Service中使用Quartz.Net

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


    public static IHostBuilder CreateHostBuilder(string[] args) =>
        Host.CreateDefaultBuilder(args)
            .ConfigureServices((hostContext, services) =>
            {
                // Add the required Quartz.NET services
                services.AddQuartz(q =>
                {
                    // Use a Scoped container to create jobs. I'll touch on this later
                    q.UseMicrosoftDependencyInjectionScopedJobFactory();
                });


                // Add the Quartz.NET hosted service


                services.AddQuartzHostedService(
                    q => q.WaitForJobsToComplete = true);


                // other config
            });
}

info: Quartz.Core.SchedulerSignalerImpl[0]
      Initialized Scheduler Signaller of type: Quartz.Core.SchedulerSignalerImpl
info: Quartz.Core.QuartzScheduler[0]
      Quartz Scheduler v.3.2.3.0 created.
info: Quartz.Core.QuartzScheduler[0]
      JobFactory set to: Quartz.Simpl.MicrosoftDependencyInjectionJobFactory
info: Quartz.Simpl.RAMJobStore[0]
      RAMJobStore initialized.
info: Quartz.Core.QuartzScheduler[0]
      Scheduler meta-data: Quartz Scheduler (v3.2.3.0) 'QuartzScheduler' with instanceId 'NON_CLUSTERED'
  Scheduler class: 'Quartz.Core.QuartzScheduler' - running locally.
  NOT STARTED.
  Currently in standby mode.
  Number of jobs executed: 0
  Using thread pool 'Quartz.Simpl.DefaultThreadPool' - with 10 threads.
  Using job-store 'Quartz.Simpl.RAMJobStore' - which does not support persistence. and is not clustered.


info: Quartz.Impl.StdSchedulerFactory[0]
      Quartz scheduler 'QuartzScheduler' initialized
info: Quartz.Impl.StdSchedulerFactory[0]
      Quartz scheduler version: 3.2.3.0
info: Quartz.Core.QuartzScheduler[0]
      Scheduler QuartzScheduler_$_NON_CLUSTERED started.
info: Microsoft.Hosting.Lifetime[0]
      Application started. Press Ctrl+C to shut down....

using Microsoft.Extensions.Logging;
using Quartz;
using System.Threading.Tasks;
[DisallowConcurrentExecution]
public class HelloWorldJob : IJob
{
    private readonly ILogger<HelloWorldJob> _logger;
    public HelloWorldJob(ILogger<HelloWorldJob> logger)
    {
        _logger = logger;
    }


    public Task Execute(IJobExecutionContext context)
    {
        _logger.LogInformation("Hello world!");
        return Task.CompletedTask;
    }
}

public static IHostBuilder CreateHostBuilder(string[] args) =>
    Host.CreateDefaultBuilder(args)
        .ConfigureServices((hostContext, services) =>
        {
            services.AddQuartz(q =>  
            {
                q.UseMicrosoftDependencyInjectionScopedJobFactory();


                // Create a "key" for the job
                var jobKey = new JobKey("HelloWorldJob");


                // Register the job with the DI container
                q.AddJob<HelloWorldJob>(opts => opts.WithIdentity(jobKey));


                // Create a trigger for the job
                q.AddTrigger(opts => opts
                    .ForJob(jobKey) // link to the HelloWorldJob
                    .WithIdentity("HelloWorldJob-trigger") // give the trigger a unique name
                    .WithCronSchedule("0/5 * * * * ?")); // run every 5 seconds


            });
            services.AddQuartzHostedService(q => q.WaitForJobsToComplete = true);
            // ...
        });

{
  "Quartz": {
    "HelloWorldJob": "0/5 * * * * ?"
  }
}

public static class ServiceCollectionQuartzConfiguratorExtensions{
    public static void AddJobAndTrigger<T>(
        this IServiceCollectionQuartzConfigurator quartz,
        IConfiguration config)
        where T : IJob
    {
        // Use the name of the IJob as the appsettings.json key
        string jobName = typeof(T).Name;


        // Try and load the schedule from configuration
        var configKey = $"Quartz:{jobName}";
        var cronSchedule = config[configKey];


        // Some minor validation
        if (string.IsNullOrEmpty(cronSchedule))
        {
            throw new Exception($"No Quartz.NET Cron schedule found for job in configuration at {configKey}");
        }


        // register the job as before
        var jobKey = new JobKey(jobName);
        quartz.AddJob<T>(opts => opts.WithIdentity(jobKey));


        quartz.AddTrigger(opts => opts
            .ForJob(jobKey)
            .WithIdentity(jobName + "-trigger")
            .WithCronSchedule(cronSchedule)); // use the schedule from configuration
    }
}

public class Program
{
    public static void Main(string[] args) => CreateHostBuilder(args).Build().Run();


    public static IHostBuilder CreateHostBuilder(string[] args) =>
        Host.CreateDefaultBuilder(args)
            .ConfigureServices((hostContext, services) =>
            {
                services.AddQuartz(q =>
                {
                    q.UseMicrosoftDependencyInjectionScopedJobFactory();


                    // Register the job, loading the schedule from configuration
                    q.AddJobAndTrigger<HelloWorldJob>(hostContext.Configuration);
                });


                services.AddQuartzHostedService(q => q.WaitForJobsToComplete = true);
            });
}