asp.net使用Hangfire开发后台定时任务demo

    xiaoxiao2021-12-14  17

    一、新建webapi项目 WebApplicationWebApiHangfireSample

    在根目录添加Startup.cs文件

    using Hangfire; using Hangfire.MemoryStorage; using Microsoft.Owin; using Owin; [assembly: OwinStartup(typeof(WebApplicationWebApiHangfireSample.Startup))] namespace WebApplicationWebApiHangfireSample { /// <summary> /// 演示Hangfire的配置 /// </summary> public class Startup { public void Configuration(IAppBuilder app) { // For more information on how to configure your application, visit http://go.microsoft.com/fwlink/?LinkID=316888 //指定Hangfire使用内存存储后台任务信息 GlobalConfiguration.Configuration.UseMemoryStorage(); //启用HangfireServer这个中间件(它会自动释放) app.UseHangfireServer(); //启用Hangfire的仪表盘(可以看到任务的状态,进度等信息) app.UseHangfireDashboard(); } } }

    在controls文件夹中新建文件MessageController.cs

    using Hangfire; using System; using System.Diagnostics; using System.Web.Http; namespace WebApplicationWebApiHangfireSample.Controllers { /// <summary> /// 用来公开给前端用户调用的API /// </summary> public class MessageController : ApiController { /// <summary> /// 这个是用来发送消息的静态方法 /// </summary> /// <param name="message"></param> public static void Send(string message) { EventLog.WriteEntry("EventSystem", string.Format("这是由Hangfire后台任务发送的消息:{0},时间为:{1}", message, DateTime.Now)); } public IHttpActionResult Post(string content) { //这里可以做一些业务判断或操作 //然后需要推送的时候,调用下面的方法即可 BackgroundJob.Enqueue(() => Send(content)); //最后返回(这里是立即返回,不会阻塞) return Ok(); } } }

    修改App_Start文件夹下的WebApiConfig.cs

    using System; using System.Collections.Generic; using System.Linq; using System.Web.Http; namespace WebApplicationWebApiHangfireSample { public static class WebApiConfig { public static void Register(HttpConfiguration config) { // Web API configuration and services // Web API routes config.MapHttpAttributeRoutes(); config.Routes.MapHttpRoute( name: "DefaultApi", routeTemplate: "api/{controller}/{id}", defaults: new { id = RouteParameter.Optional } ); config.Routes.MapHttpRoute( name: "DefaultApi2", routeTemplate: "api/{controller}/{action}/{content}", defaults: new {ApiController="Message",Action="Post", content = RouteParameter.Optional } ); } } }

    调用: http://localhost:45296/api/Message/Post/testMessage

    查看任务: http://your-site/hangfire

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