转移.net core 3.1，为.NET 5做准备

OpenAuth.App/HostedService/QuartzService.cs

@@ -0,0 +1,40 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using Quartz;
+
+namespace OpenAuth.App.HostedService
+{
+    public class QuartzService : IHostedService, IDisposable
+    {
+        private readonly ILogger<QuartzService> _logger;
+        private IScheduler _scheduler;
+
+        public QuartzService(ILogger<QuartzService> logger, IScheduler scheduler)
+        {
+            _logger = logger;
+            _scheduler = scheduler;
+        }
+
+        public Task StartAsync(CancellationToken cancellationToken)
+        {
+            _logger.LogInformation("启动定时job，可以在这里配置读取数据库需要启动的任务，然后启动他们");
+            _scheduler.Start();
+            return Task.CompletedTask;
+        }
+
+        public Task StopAsync(CancellationToken cancellationToken)
+        {
+            _scheduler.Shutdown();
+            _logger.LogInformation("关闭定时job");
+            return Task.CompletedTask;
+        }
+
+        public void Dispose()
+        {
+           
+        }
+    }
+}