Zxd.Core/code/DG.EntityFramework/EFLoggerProvider.cs

43 lines
1.5 KiB
C#

using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.Extensions.Logging;
namespace DG.EntityFramework
{
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) return;
var logContent = formatter(state, exception);
Console.WriteLine("<------------------ sql start ------------------>");
Console.ForegroundColor = ConsoleColor.Yellow;
Console.Write("sql: ");
Console.ResetColor();
Console.Write(logContent);
Console.ResetColor();
Console.WriteLine();
Console.WriteLine("<------------------ sql end ------------------>");
}
public IDisposable BeginScope<TState>(TState state) => null;
}
}