初始化

qinchulong

2025-03-29 039a4a5433e7f80adc88b491b549e5d9486e4f9a

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