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

上山打老虎

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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