C#写文本日志
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代码示例
/*-----------------------------------------------------------------
* 作 者(Author): Dennis
* 日 期(Create Date): 2021/9/3 16:11:39
* 公 司(Copyright): www.dennisdong.top
* 文件名(File Name): LogFileHelper
* ----------------------------------------------------------------
* 描 述(Description):
*----------------------------------------------------------------*/
using System;
using System.IO;
namespace Anta.Common.Helpers
{
/// <summary>
/// 自定义文件写入
/// </summary>
public class LogFileHelper
{
private static readonly object LogLock = new object();
/// <summary>
/// 日志默认存放路径
/// </summary>
private static readonly string LogPath = $@"{AppDomain.CurrentDomain.BaseDirectory}\LogFiles\";
#region WriteLog
/// <summary>
/// 只记录信息
/// </summary>
/// <param name="msg">内容</param>
public static void WriteLog(string msg)
{
WriteLog(null, null, msg);
}
/// <summary>
/// 路径加信息
/// </summary>
/// <param name="filePath">相对路径</param>
/// <param name="msg">内容</param>
public static void WriteLog(string filePath, string msg)
{
WriteLog(filePath, null, msg);
}
/// <summary>
/// 写入日志
/// </summary>
/// <param name="filePath">相对路径</param>
/// <param name="fileName">文件名</param>
/// <param name="msg">内容</param>
public static void WriteLog(string filePath, string fileName, string msg)
{
lock (LogLock)
{
try
{
if (string.IsNullOrEmpty(filePath))
{
filePath = "LogDefault";
}
filePath = LogPath + filePath;
if (!Directory.Exists(filePath))//判断是否有该文件
Directory.CreateDirectory(filePath);
if (string.IsNullOrEmpty(fileName))
{
fileName = DateTime.Now.ToString("yyyyMMdd");
}
var logFileName = filePath + "/" + fileName + ".log";//生成日志文件
var fs = !File.Exists(logFileName) ? new FileStream(logFileName, FileMode.Create) : new FileStream(logFileName, FileMode.Append);
var sw = new StreamWriter(fs);
sw.WriteLine($"{DateTime.Now:yyyy-MM-dd HH:mm:ss} \n{msg}");
sw.Flush();
sw.Close();
}
catch (Exception e)
{
var path = LogPath + "/LogError";
if (!Directory.Exists(path))
Directory.CreateDirectory(path);
var logFileName = path + "/" + DateTime.Now.ToString("yyyyMMdd") + ".log";
var fs = !File.Exists(logFileName) ? new FileStream(logFileName, FileMode.Create) : new FileStream(logFileName, FileMode.Append);
var sw = new StreamWriter(fs);
sw.WriteLine($"{DateTime.Now:yyyy-MM-dd HH:mm:ss} \n{msg} \n {e.Message}");
sw.Flush();
sw.Close();
}
}
}
#endregion
}
}
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