从IoC角度来看,我们应该能够轻松地设置和选择接口的实现。
如果我创建ILogger
的自定义实现,是否可以将其直接注入到没有ILoggerFactory-ILoggerProvider-ILogger
结构的控制器中?
通过这种方式,我可以减少设置开销,并可以对Logger进行更多控制。例如,我可以强制转换并访问CustomProperty
。相反,由ILoggerFactory-ILoggerProvider-ILogger
链创建的记录器将维护ILogger
的集合,而我无法再访问CustomLogger
。
代码如下所示。这是可行的解决方案吗?
定义CustomLogger
public class CustomLogger : ILogger
{
public CustomPropertyType CustomProperty;
public CustomLogger(){...}
public IDisposable BeginScope<TState>(TState state){...}
public bool IsEnabled(LogLevel logLevel){...}
public void Log<TState>(
LogLevel logLevel,
EventId eventId,
TState state,
Exception exception,
Func<TState, Exception, string> formatter)
{
// Use some info from CustomProperty in while sending the log
}
}
设置依赖项注入
public void ConfigureServices(IServiceCollection services)
{
services.AddScoped<ILogger, CustomLogger>();
//Other logic
}
通过ILogger
实现访问CustomLogger
public ExampleController(ILogger logger)
{
this.logger = logger;
this.customProperty = (CustomLogger)logger.CustomProperty;
}