LogHelper

最新推荐文章于 2022-12-01 17:14:39 发布

原创最新推荐文章于 2022-12-01 17:14:39 发布 · 3.8k 阅读

0 ·

CC 4.0 BY-SA版权

文章标签：

#exception #path #string #2010 #function #class

[ 01 ] .NET 专栏收录该内容

329 篇文章

订阅专栏

本文介绍了一个用于记录异常日志的工具类LogHelper，该工具采用C#编写，能够自动将异常信息写入指定目录下的文本文件中，并按日期进行分类存储。

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.IO; namespace Ella.ToolKit { /// <summary> /// 日志操作 /// <para/>Author : AnDequan /// <para/>Date : 2010-12-23 /// </summary> public sealed class LogHelper : Singleton<LogHelper> { /// <summary> /// 记录异常日志 /// <para/>Author : AnDequan /// <para/>Date : 2010-12-2 /// </summary> /// <param name="ex">异常</param> public void Add(Exception ex) { DateTime dtLog = DateTime.Now; string sPath = @"D:/LogInfo/" + dtLog.Year + "//" + dtLog.Month; ErrorRecord(ex, sPath); } /// <summary> /// 记录异常日志 /// <para/>Author : AnDequan /// <para/>Date : 2010-12-2 /// </summary> /// <param name="ex">异常</param> /// <param name="path">生成错误信息的文件路径</param> public void Add(Exception ex, string path) { ErrorRecord(ex, path); } #region User-Defined Private Function (辅助方法) /// <summary> /// 生成错误字符串 /// <para/>Author : AnDequan /// <para/>Date : 2010-12-2 /// </summary> /// <param name="ex">错误</param> /// <returns>错误信息</returns> private string GetLogInfo(Exception ex) { StringBuilder sbLog = new StringBuilder(); sbLog.AppendLine("记录时间：" + DateTime.Now.ToLongDateString() + DateTime.Now.ToLongTimeString()); sbLog.AppendLine("异常实例: " + ex.InnerException.ToString()); sbLog.AppendLine("引发当前异常的方法： " + ex.TargetSite.ToString()); sbLog.AppendLine("导致错误的应用程序或对象的名称： " + ex.Source); sbLog.AppendLine(""); return sbLog.ToString(); } /// <summary> /// 记录程序中的错误 /// <para/>Author : AnDequan /// <para/>Date : 2010-11-4 /// </summary> /// <param name="ex">异常信息</param> /// <param name="path">生成错误信息的文件路径</param> private void ErrorRecord(Exception ex, string path) { string sFileName = DateTime.Now.ToLongDateString() + ".txt"; if (!File.Exists(path + "//" + sFileName)) { Directory.CreateDirectory(path); using (FileStream fsError = new FileStream(path + "//" + sFileName, FileMode.Create)) { using (StreamWriter swError = new StreamWriter(fsError)) { swError.WriteLine(GetLogInfo(ex)); } } } else { using (FileStream fsError = new FileStream(path + "//" + sFileName, FileMode.Append)) { using (StreamWriter swError = new StreamWriter(fsError)) { swError.WriteLine(GetLogInfo(ex)); } } } } #endregion } }