SystemLog.cs
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using NLog;
using System.Collections.Concurrent;
using System.Windows.Media;
namespace HHECS.DAQClient.Common
{
/// <summary>
/// 日志
/// </summary>
public class SystemLog
{
private static readonly SystemLog _instance = new();
private readonly ConcurrentQueue<LogModel> _queue = new();
private readonly Logger _nlog = LogManager.GetCurrentClassLogger();
/// <summary>
/// 日志队列包含的元素数
/// </summary>
public int Count => _queue.Count;
/// <summary>
/// 日志队列是否为空
/// </summary>
public bool IsEmpty => _queue.IsEmpty;
private SystemLog() { }
/// <summary>
/// 获取日志对象实例
/// </summary>
/// <returns></returns>
public static SystemLog GetInstance()
{
return _instance;
}
/// <summary>
/// 记录日志
/// </summary>
/// <param name="message">日志内容</param>
/// <param name="type">日志类型</param>
public void Log(string message, LogType type = LogType.Info)
{
_queue.Enqueue(new LogModel
{
Messages = message,
LogType = type,
});
if (type == LogType.Debug)
{
_nlog.Error(message);
}
else
{
_nlog.Info(message);
}
}
/// <summary>
/// 记录成功日志
/// </summary>
/// <param name="message">日志内容</param>
public void LogSuccess(string message)
{
Log(message, LogType.Success);
}
/// <summary>
/// 记录消息日志
/// </summary>
/// <param name="message">日志内容</param>
public void LogInfo(string message)
{
Log(message, LogType.Info);
}
/// <summary>
/// 记录警告日志
/// </summary>
/// <param name="message">日志内容</param>
public void LogWarning(string message)
{
Log(message, LogType.Warning);
}
/// <summary>
/// 记录错误日志
/// </summary>
/// <param name="message">日志内容</param>
public void LogError(string message)
{
Log(message, LogType.Error);
}
/// <summary>
/// 输出错误日志信息，并将日志保存至程序错误日志文件
/// </summary>
/// <param name="message">日志内容</param>
public void LogException(string message)
{
Log(message, LogType.Debug);
}
/// <summary>
/// 读取一条日志
/// </summary>
/// <returns></returns>
public LogModel GetLog()
{
_queue.TryDequeue(out LogModel log);
return log;
}
}
/// <summary>
/// 日志实体类，本地日志文件，不存储到数据库
/// </summary>
public class LogModel
{
public DateTime CreateTime { get; set; } = DateTime.Now;
public string Messages { get; set; } = string.Empty;
public LogType LogType { get; set; }
public SolidColorBrush ForeColor => LogType switch
{
LogType.Default => Brushes.Black,
LogType.Success => Brushes.Green,
LogType.Info => Brushes.Black,
LogType.Warning => Brushes.Orange,
LogType.Error => Brushes.OrangeRed,
LogType.Debug => Brushes.Red,
_ => Brushes.Black,
};
}
/// <summary>
/// 日志级别
/// </summary>
public enum LogType
{
/// <summary>
/// 默认
/// </summary>
Default,
Success,
Info,
Warning,
Error,
/// <summary>
/// 程序异常日志，Exception 错误信息请使用此类型
/// </summary>
Debug
}
}