.net core 基于Hangfire+Mysql持久化实现定时任务配置方法

1.negut引入hangfire相关包

Hangfire.AspNetCore，Hangfire.Core，Hangfire.Dashboard.BasicAuthorization，Hangfire.MySqlStorage

2.Appsetting 配置hangfire资源

"HangFire": {
  "Connection": "Server=127.0.0.1;uid=root;pwd=wakamysql666;database=Hangfire_DB;AllowLoadLocalInfile=true;Allow User Variables=True;",
  "pathMatch": "/hangfire",
  "Login": "login",
  "PasswordClear": "pwd"
},

3.自定义扩展类

/// <summary>
  ///     任务调度
  /// </summary>
  public static class HangfireSetup
  {
      public static void AddHangfireSetup(this IServiceCollection services)
      {
          if (services == null) throw new ArgumentNullException(nameof(services));
          if (services == null) throw new ArgumentNullException(nameof(services));
          services.AddHangfire(configuration => configuration
              .SetDataCompatibilityLevel(CompatibilityLevel.Version_170)//此方法 只初次创建数据库使用即可
              .UseSimpleAssemblyNameTypeSerializer()
              .UseRecommendedSerializerSettings()
              .UseStorage(new MySqlStorage(Appsettings.app("HangFire", "Connection"), new MySqlStorageOptions
              {
                  TransactionIsolationLevel =
                      (IsolationLevel?) System.Data.IsolationLevel.ReadCommitted, //事务隔离级别。默认是读取已提交
                  QueuePollInterval = TimeSpan.FromSeconds(15), //- 作业队列轮询间隔。默认值为15秒。
                  JobExpirationCheckInterval = TimeSpan.FromHours(1),
                  CountersAggregateInterval = TimeSpan.FromMinutes(5),
                  PrepareSchemaIfNecessary = false, // 如果设置为true，则创建数据库表。默认是true
                  DashboardJobListLimit = 50000,
                  TransactionTimeout = TimeSpan.FromMinutes(1),
                  TablesPrefix = "Hangfire"
              })));
          services.AddHangfireServer();
      }
  }

4.在startupConfigureServices注入扩展

 services.AddHangfireSetup();//任务调度

5.配置MIddleware

//任务调度中间件
  public static class HangfireMiddleware
  {
      public static void UseHangfireMiddleware(this IApplicationBuilder app)
      {
          if (app == null) throw new ArgumentNullException(nameof(app));
          app.UseHangfireServer(); //配置服务//ConfigureOptions()
          app.UseHangfireDashboard(Appsettings.app("HangFire", "pathMatch"), HfAuthor()); //配置面板
          //BackgroundJob.Enqueue(() => Console.WriteLine("Hello world from Hangfire!"));            
          HangfireService(); //配置各个任务
      }

      /// <summary>
      ///     配置账号模板信息
      /// </summary>
      /// <returns></returns>
      public static DashboardOptions HfAuthor()
      {
          var filter = new BasicAuthAuthorizationFilter(
              new BasicAuthAuthorizationFilterOptions
              {
                  SslRedirect = false,
                  RequireSsl = false,
                  LoginCaseSensitive = false,
                  Users = new[]
                  {
                      new BasicAuthAuthorizationUser
                      {
                          Login = Appsettings.app("HangFire", "Login"), //可视化的登陆账号
                          PasswordClear = Appsettings.app("HangFire", "PasswordClear") //可视化的密码
                      }
                  }
              });
          return new DashboardOptions
          {
              Authorization = new[] {filter}
          };
      }

      /// <summary>
      ///     配置启动
      /// </summary>
      /// <returns></returns>
      public static BackgroundJobServerOptions ConfigureOptions()
      {
          return new()
          {
              Queues = new[] {"Job", nameof(HangfireConfigureQueue.picturetooss)}, //队列名称，只能为小写
              WorkerCount = Environment.ProcessorCount * 5, //并发任务
              ServerName = "HangfireServer" //代表服务名称
          };
      }

      #region 配置服务

      public static void HangfireService()
      {
          // "0 0 1 * * ? " 每天凌晨一点执行阿里云OSS
          RecurringJob.AddOrUpdate<IOrderItemInfoService>(_ => _.JobOSS(), "0 0 1 * * ? ", TimeZoneInfo.Local,
              nameof(HangfireConfigureQueue.picturetooss));

          // "0 0 1 * * ? " 每天早上七点执行定时任务更新汇率
          RecurringJob.AddOrUpdate<ICurrencyInfosService>(_ => _.UpdateRateByJob(), "0 0 7 * * ? ",
              TimeZoneInfo.Local, nameof(HangfireConfigureQueue.picturetooss));
      }

      #endregion
  }

6.startupConfigure配置使用中间件

app.UseHangfireMiddleware();//Job

效果图：

结语：到此hangfire实现定时任务的配置已经全部完成。

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原文链接：https://www.cnblogs.com/dony-dong/p/15029539.html