该ConsoleLoggerProvider有四个构造函数:
ConsoleLoggerProvider(IConsoleLoggerSettings)ConsoleLoggerProvider(IOptionsMonitor<ConsoleLoggerOptions>)ConsoleLoggerProvider(Func<String,LogLevel,Boolean>, Boolean)ConsoleLoggerProvider(Func<String,LogLevel,Boolean>, Boolean, Boolean)其中三个被宣布为过时的消息:
此方法已过时,将在以后的版本中删除.建议的替代方法是使用LoggerFactory配置筛选,使用ConsoleLoggerOptions配置日志记录选项.
使用构造函数#3,LoggerFactory使用a 创建一个ConsoleLoggerProvider很简单(如实体框架核心中记录的 - 日志记录):
var loggerFactory = new LoggerFactory(new[] { new ConsoleLoggerProvider((category, level) => level >= LogLevel.Information, true) });
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但由于它已被弃用,我们留下了构造函数#2.这是我发现的等价物:
var configureNamedOptions = new ConfigureNamedOptions<ConsoleLoggerOptions>("", null);
var optionsFactory = new OptionsFactory<ConsoleLoggerOptions>(new []{ configureNamedOptions }, Enumerable.Empty<IPostConfigureOptions<ConsoleLoggerOptions>>());
var optionsMonitor = new OptionsMonitor<ConsoleLoggerOptions>(optionsFactory, Enumerable.Empty<IOptionsChangeTokenSource<ConsoleLoggerOptions>>(), new OptionsCache<ConsoleLoggerOptions>());
var loggerFactory = new LoggerFactory(new[] { new ConsoleLoggerProvider(optionsMonitor) }, new LoggerFilterOptions { MinLevel = LogLevel.Information });
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这看起来过于复杂,我错过了一些简单的东西吗?