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C# 使用HangFire

第一章：.net Framework 4.6 WebAPI 使用Hangfire
第二章：net 8使用hangfire实现库存同步任务

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前言

在第一章中我介绍了如何在.net Framework 4.6 WebAPI 中使用Hangfire，实现Hangfire定时调用我们开发的API接口，但是在实际业务中调用接口往往需要处理耗时任务，如果还像第一章中的方式去调用的话就会出现请求超时的情况。今天我就以电商系统库存同步业务为例子给大家讲解如何使用hangfire调用耗时任务。
后续我也会把项目放在CSDN上供大家下载学习。

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项目源码

下载项目源码

一、项目架构

项目采用微服务的方式开发，分为以下两个服务：

• HangFireServers（调用和管理后面两个服务）
• StockChangeServers（同步库存信息至电商平台）
• SkuServers（从电商平台拉取商品信息）

二、项目服务介绍

该服务用于定时调用库存同步服务。作为库存同步服务和商品SKU更新服务的管理。

HangFire服务结构解析

该服务中用到的包：

项目内结构：

HangfireCollectionExtensions 类

该类的主要作用是配置hangfire的监控面板 也就是这里的样式，还配置了用户的账户密码和Hangfire最大开启线程以及是否只读等信息。

using Hangfire;
using Hangfire.Console;
using Hangfire.Dashboard.BasicAuthorization;
using Hangfire.Heartbeat;
using Hangfire.Heartbeat.Server;
using Hangfire.HttpJob;
using Hangfire.Redis.StackExchange;
using Hangfire.Server;
using Hangfire.Tags;
using Hangfire.Tags.Redis.StackExchange;
using HangfireServers.Model;
using Microsoft.AspNetCore.Localization;
using Microsoft.Extensions.Options;
using Spring.Core.TypeConversion;
using StackExchange.Redis;namespace HangfireServers.Extensions
{public static class HangfireCollectionExtensions{private const string HangfireSettingsKey = "Hangfire:HangfireSettings";private const string HttpJobOptionsKey = "Hangfire:HttpJobOptions";private const string HangfireConnectStringKey = "Hangfire:HangfireSettings:ConnectionString";private const string HangfireLangKey = "Hangfire:HttpJobOptions:Lang";public static IServiceCollection AddSelfHangfire(this IServiceCollection services, IConfiguration configuration){var hangfireSettings = configuration.GetSection(HangfireSettingsKey);var httpJobOptions = configuration.GetSection(HttpJobOptionsKey);services.Configure<HangfireSettings>(hangfireSettings);services.Configure<HangfireHttpJobOptions>(httpJobOptions);services.AddTransient<IBackgroundProcess, ProcessMonitor>();services.AddHangfire(globalConfiguration =>{services.ConfigurationHangfire(configuration, globalConfiguration);});services.AddHangfireServer((provider, config) =>{var settings = provider.GetService<IOptions<HangfireSettings>>()?.Value;ConfigFromEnv(settings ?? new HangfireSettings());var queues = settings?.JobQueues.Select(m => m.ToLower()).Distinct().ToList();var workerCount = Math.Max(Environment.ProcessorCount, settings.WorkerCount); //工作线程数，当前允许的最大线程，默认20config.ServerName = settings.ServerName;config.ServerTimeout = TimeSpan.FromMinutes(4);config.SchedulePollingInterval = TimeSpan.FromSeconds(1);//秒级任务需要配置短点，一般任务可以配置默认时间，默认15秒config.ShutdownTimeout = TimeSpan.FromMinutes(30); //超时时间config.Queues = queues?.ToArray(); //队列config.WorkerCount = workerCount;});return services;}public static void ConfigurationHangfire(this IServiceCollection services, IConfiguration configuration,IGlobalConfiguration globalConfiguration){var serverProvider = services.BuildServiceProvider();var langStr = configuration.GetSection(HangfireLangKey).Get<string>();var envLangStr = GetEnvConfig<string>("Lang");if (!string.IsNullOrEmpty(envLangStr)) langStr = envLangStr;if (!string.IsNullOrEmpty(langStr)){Thread.CurrentThread.CurrentUICulture = new System.Globalization.CultureInfo(langStr);}var hangfireSettings = serverProvider?.GetService<IOptions<HangfireSettings>>()?.Value;ConfigFromEnv(hangfireSettings??new HangfireSettings());var httpJobOptions = serverProvider?.GetService<IOptions<HangfireHttpJobOptions>>()?.Value;ConfigFromEnv(httpJobOptions??new HangfireHttpJobOptions());