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.Net Core 下使用 Quartz —— 【1】快速开始

2022-04-23 05:55:00 番茄大侠本尊

目录

1、环境:

2、新建项目:

3、安装:

4、配置:

5、示例:

6、完整代码

记录下Quartz的学习过程,希望可以帮助到需要的人,如果有不正确的地方还望指正。


1、环境:

开发环境:vs2019、.net core 3.1、Quartz3.2.0

官网:https://www.quartz-scheduler.net/

2、新建项目:

为了以后方便扩展,这里我创建的是  .NET Core Web 应用程序(MVC)

3、安装:

使用nuget管理器安装:搜索:Quartz

4、配置:

暂时用不到配置

5、示例:

提示:如果这里对.net core 不是很了解的,可以先了解一下再继续

注册服务:这里将调度工厂注册为单例

//注册调度器工厂
services.AddSingleton<ISchedulerFactory>(new StdSchedulerFactory());

 

修改 HomeController

注入调度工厂

        //调度器工厂
        private readonly ISchedulerFactory _schedulerFactory;

        //构造函数注入
        public HomeController(ISchedulerFactory schedulerFactory)
        {
            //注入调度器工厂
            _schedulerFactory = schedulerFactory;
        }

增加自定义Job  ,打印当前时间

    public class HelloJob : IJob
    {
        public async Task Execute(IJobExecutionContext context)
        {
            await Console.Out.WriteLineAsync($"{DateTime.Now}");
        }
    }

修改Index 为异步

        public async Task<IActionResult> Index()
        {

            return View();
        }

创建调度器并执行任务

 

        public async Task<IActionResult> Index()
        {
            //1、从工厂获取调度器实例
            IScheduler scheduler = await _schedulerFactory.GetScheduler();

            //2、开始调度
            await scheduler.Start();

            //3、定义作业并将其绑定到我们的HelloJob类,作业名为job1 作业组名jobGroup1
            IJobDetail job = JobBuilder.Create<HelloJob>()
                .WithIdentity("job1", "jobGroup1")
                .Build();

            //4、创建一个立即执行的触发器,每间隔3秒触发一次,触发器名为trigger1,触发器组名triggerGroup1
            ITrigger trigger = TriggerBuilder.Create()
                .WithIdentity("trigger1", "triggerGroup1")
                .StartNow()
                .WithSimpleSchedule(x => x.WithIntervalInSeconds(3).RepeatForever())
                .Build();

            //5、将触发器与作业进行绑定
            await scheduler.ScheduleJob(job, trigger);

            return View();
        }

修改launchSettings.json文件 删除IIS相关启动配置

{
  "Logging": {
    "LogLevel": {
      "Default": "Information",
      "Microsoft": "Warning",
      "Microsoft.Hosting.Lifetime": "Information"
    }
  },
  "AllowedHosts": "*"
}

运行结果:

运行后,会启动一个命令窗口和一个浏览器页面,并间隔三秒打印当前时间


6、完整代码

Startup.cs

using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Quartz;
using Quartz.Impl;

namespace QuartzLearn
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        public void ConfigureServices(IServiceCollection services)
        {
            services.AddControllersWithViews();

            //注册调度器工厂
            services.AddSingleton<ISchedulerFactory>(new StdSchedulerFactory());
        }

        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseExceptionHandler("/Home/Error");
            }
            app.UseStaticFiles();

            app.UseRouting();

            app.UseAuthorization();

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllerRoute(
                    name: "default",
                    pattern: "{controller=Home}/{action=Index}/{id?}");
            });
        }
    }
}

HomeController.cs

using Microsoft.AspNetCore.Mvc;
using Quartz;
using System;
using System.Threading.Tasks;

namespace QuartzLearn.Controllers
{
    public class HomeController : Controller
    {
        //调度器工厂
        private readonly ISchedulerFactory _schedulerFactory;

        //构造函数注入
        public HomeController(ISchedulerFactory schedulerFactory)
        {
            //注入调度器工厂
            _schedulerFactory = schedulerFactory;
        }

        public async Task<IActionResult> Index()
        {
            //1、从工厂获取调度器实例
            IScheduler scheduler = await _schedulerFactory.GetScheduler();

            //2、开始调度
            await scheduler.Start();

            //3、定义作业并将其绑定到我们的HelloJob类,作业名为job1 作业组名jobGroup1
            IJobDetail job = JobBuilder.Create<HelloJob>()
                .WithIdentity("job1", "jobGroup1")
                .Build();

            //4、创建一个立即执行的触发器,每间隔3秒触发一次,触发器名为trigger1,触发器组名triggerGroup1
            ITrigger trigger = TriggerBuilder.Create()
                .WithIdentity("trigger1", "triggerGroup1")
                .StartNow()
                .WithSimpleSchedule(x => x.WithIntervalInSeconds(3).RepeatForever())
                .Build();

            //5、将触发器与作业进行绑定
            await scheduler.ScheduleJob(job, trigger);

            return View();
        }
    }

    public class HelloJob : IJob
    {
        public async Task Execute(IJobExecutionContext context)
        {
            await Console.Out.WriteLineAsync($"{DateTime.Now}");
        }
    }
}

 

版权声明
本文为[番茄大侠本尊]所创,转载请带上原文链接,感谢
https://blog.csdn.net/Tomato2313/article/details/108981300