35 lines
1.1 KiB
C#
35 lines
1.1 KiB
C#
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using Microsoft.Extensions.Logging;
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using System;
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namespace VOL.Core.EFDbContext
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{
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public class EFLoggerProvider : ILoggerProvider
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{
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public ILogger CreateLogger(string categoryName) => new EFLogger(categoryName);
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public void Dispose()
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{ }
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}
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public class EFLogger : ILogger
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{
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private readonly string categoryName;
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public EFLogger(string categoryName) => this.categoryName = categoryName;
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public bool IsEnabled(LogLevel logLevel) => true;
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public void Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception exception, Func<TState, Exception, string> formatter)
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{
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//ef core执行数据库查询时的categoryName为Microsoft.EntityFrameworkCore.Database.Command,日志级别为Information
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if (categoryName == "Microsoft.EntityFrameworkCore.Database.Command"
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&& logLevel == LogLevel.Information)
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{
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var logContent = formatter(state, exception);
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Console.WriteLine(logContent);
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}
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}
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public IDisposable BeginScope<TState>(TState state) => null;
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}
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}
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