59 lines
2.2 KiB
C#
59 lines
2.2 KiB
C#
using System;
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using System.IO;
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using System.Threading;
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// 建议放在单独的文件或命名空间底部
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public static class LogHelper
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{
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// 定义日志文件夹路径（例如：项目目录下的 Logs 文件夹）
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private static readonly string LogDirectory = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Logs");
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// 确保文件夹存在
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static LogHelper()
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{
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if (!Directory.Exists(LogDirectory))
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{
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Directory.CreateDirectory(LogDirectory);
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}
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}
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/// <summary>
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/// 写入日志到TXT文件
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/// </summary>
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/// <param name="message">日志内容</param>
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/// <param name="level">日志级别 (Error, Warn, Info)</param>
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public static void WriteLog(string message, string level = "Info")
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{
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try
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{
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// 生成文件名：Log_2023-10-05.txt
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string fileName = $"Log_{DateTime.Now:yyyy-MM-dd}.txt";
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string filePath = Path.Combine(LogDirectory, fileName);
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// 构建日志行
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// [2023-10-05 14:30:25] [Error] 发生了xxx错误
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string logLine = $"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] [{level}] {message}{Environment.NewLine}";
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// 使用 FileStream 以追加模式写入，支持多线程安全写入
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// 注意：这里使用了锁，防止多线程同时写入冲突
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lock (typeof(LogHelper))
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{
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using (var stream = new FileStream(filePath, FileMode.Append, FileAccess.Write, FileShare.ReadWrite))
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using (var writer = new StreamWriter(stream))
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{
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writer.Write(logLine);
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}
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}
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}
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catch (Exception ex)
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{
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// 防止日志系统自身崩溃导致程序异常，这里只用 Debug 输出错误（或者什么都不做）
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// Debug.WriteLine($"日志写入失败: {ex.Message}");
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}
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}
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// 为了方便，可以封装几个常用方法
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public static void Error(string message) => WriteLog(message, "ERROR");
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public static void Warn(string message) => WriteLog(message, "WARN");
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public static void Info(string message) => WriteLog(message, "INFO");
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} |