1、新建项目
选择“Worker Service”,如下图:
2、添加nuget引用
Microsoft.Extensions.Hosting.WindowsServices
Serilog.Extensions.Hosting
Serilog.Sinks.Console
Serilog.Sinks.File
3、修改Program的Main方法
public static void Main(string[] args)
{
var baseDir = AppDomain.CurrentDomain.BaseDirectory;
var logfile = Path.Combine(baseDir, "log", "log.txt");
Log.Logger = new LoggerConfiguration()
.MinimumLevel.Override("Microsoft", LogEventLevel.Warning)
.Enrich.FromLogContext()
.WriteTo.Console(LogEventLevel.Information, theme: AnsiConsoleTheme.Literate)
.WriteTo.File(logfile, LogEventLevel.Information, rollingInterval: RollingInterval.Day, retainedFileCountLimit: 90)
.CreateLogger();
try
{
Log.Information("服务启动成功!" + DateTime.Now.ToString());
CreateHostBuilder(args).Build().Run();
}
catch (Exception e)
{
Log.Fatal(e, "启动出错了!");
}
finally
{
Log.CloseAndFlush();
}
}
4、修改Program里的CreateHostBuilder
代码如下:
public static IHostBuilder CreateHostBuilder(string[] args) =>
Host.CreateDefaultBuilder(args)
.UseWindowsService()
.ConfigureServices((hostContext, services) =>
{
services.AddHostedService<Worker>();
})
.UseSerilog();
5、测试Worker里的日志记录功能
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
while (!stoppingToken.IsCancellationRequested)
{
_logger.LogInformation("Worker running at: {time}", DateTimeOffset.Now);
await Task.Delay(1000, stoppingToken);
}
}
上面的代码是visual在创建项目时自带的,直接运行,就会在log文件夹里新建日志文件,然后记下日志如下: