HandDriverUPM/TouchSocket/Core/Logger/ConsoleLogger.cs

//------------------------------------------------------------------------------
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//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
using System;

namespace TouchSocket.Core
{
    /// <summary>
    /// 控制台日志记录器
    /// </summary>
    public class ConsoleLogger : LoggerBase
    {
        static ConsoleLogger()
        {
            Default = new ConsoleLogger();
        }
        private readonly ConsoleColor m_consoleBackgroundColor;

        private readonly ConsoleColor m_consoleForegroundColor;

        /// <summary>
        /// 初始化一个日志记录器
        /// </summary>
        public ConsoleLogger()
        {
            m_consoleForegroundColor = Console.ForegroundColor;
            m_consoleBackgroundColor = Console.BackgroundColor;
        }

        /// <summary>
        /// 默认的实例
        /// </summary>
        public static ConsoleLogger Default { get; }

        /// <summary>
        /// <inheritdoc/>
        /// </summary>
        /// <param name="logType"></param>
        /// <param name="source"></param>
        /// <param name="message"></param>
        /// <param name="exception"></param>
        protected override void WriteLog(LogType logType, object source, string message, Exception exception)
        {
            lock (typeof(ConsoleLogger))
            {
                Console.Write(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss ffff"));
                Console.Write(" | ");
                switch (logType)
                {
                    case LogType.Warning:
                        Console.ForegroundColor = ConsoleColor.Yellow;
                        break;

                    case LogType.Error:
                        Console.ForegroundColor = ConsoleColor.Red;
                        break;

                    case LogType.Info:
                    default:
                        Console.ForegroundColor = m_consoleForegroundColor;
                        break;
                }
                Console.Write(logType.ToString());
                Console.ForegroundColor = m_consoleForegroundColor;
                Console.Write(" | ");
                Console.Write(message);

                if (exception != null)
                {
                    Console.Write(" | ");
                    Console.Write($"【异常消息】：{exception.Message}");
                    Console.Write($"【堆栈】：{(exception == null ? "未知" : exception.StackTrace)}");
                }
                Console.WriteLine();

                Console.ForegroundColor = m_consoleForegroundColor;
                Console.BackgroundColor = m_consoleBackgroundColor;
            }
        }
    }
}