| #region << 版 本 注 释 >> | 
| /*---------------------------------------------------------------- | 
|  * 命名空间:WIDESEAWCS_QuartzJob | 
|  * 创建者:胡童庆 | 
|  * 创建时间:2024/8/2 16:13:36 | 
|  * 版本:V1.0.0 | 
|  * 描述:调度服务层实体映射 | 
|  * | 
|  * ---------------------------------------------------------------- | 
|  * 修改人: | 
|  * 修改时间: | 
|  * 版本:V1.0.1 | 
|  * 修改说明: | 
|  *  | 
|  *----------------------------------------------------------------*/ | 
| #endregion << 版 本 注 释 >> | 
|   | 
| using Microsoft.Extensions.Logging; | 
| using System; | 
| using System.Collections.Generic; | 
| using System.Linq; | 
| using System.Text; | 
| using System.Threading.Tasks; | 
| using WIDESEAWCS_Core.Seed; | 
| using WIDESEAWCS_Core; | 
| using Microsoft.AspNetCore.Hosting; | 
| using Microsoft.Extensions.DependencyInjection; | 
| using Microsoft.Extensions.Hosting; | 
| using WIDESEAWCS_QuartzJob.Seed; | 
| using WIDESEAWCS_QuartzJob.Service; | 
|   | 
| namespace WIDESEAWCS_QuartzJob.QuartzExtensions | 
| { | 
|     public sealed class QuartzJobDataTableHostedService : IHostedService | 
|     { | 
|         private readonly DBContext _dbContext; | 
|         private readonly ILogger<QuartzJobDataTableHostedService> _logger; | 
|         private readonly string _webRootPath; | 
|         private readonly IServiceProvider _serviceProvider; | 
|   | 
|         public QuartzJobDataTableHostedService( | 
|             IServiceProvider serviceProvider, | 
|             IWebHostEnvironment webHostEnvironment, | 
|             ILogger<QuartzJobDataTableHostedService> logger) | 
|         { | 
|             _serviceProvider = serviceProvider; | 
|             _logger = logger; | 
|             _webRootPath = webHostEnvironment.WebRootPath; | 
|             using var scope = _serviceProvider.CreateScope(); | 
|             DBContext dbContext = scope.ServiceProvider.GetService<DBContext>(); | 
|             _dbContext = dbContext; | 
|         } | 
|   | 
|         public async Task StartAsync(CancellationToken cancellationToken) | 
|         { | 
|             _logger.LogInformation("开始创建定时器调度数据表"); | 
|             await DoWork(); | 
|         } | 
|   | 
|         private async Task DoWork() | 
|         { | 
|             try | 
|             { | 
|                 await QuartzJobCreateDataTabel.SeedAsync(_dbContext, _webRootPath); | 
|             } | 
|             catch (Exception ex) | 
|             { | 
|                 _logger.LogError(ex, "定时器调度数据表创建错误"); | 
|                 throw; | 
|             } | 
|         } | 
|   | 
|         public Task StopAsync(CancellationToken cancellationToken) | 
|         { | 
|             _logger.LogInformation("定时器调度数据表结束"); | 
|             return Task.CompletedTask; | 
|         } | 
|     } | 
| } |