C# 简单的日志读写。

最新推荐文章于 2025-05-30 19:46:06 发布

原创最新推荐文章于 2025-05-30 19:46:06 发布 · 832 阅读

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本文详细介绍了如何使用C#实现同步完成写入错误信息到指定目录的系统错误日志，并提供了读取错误日志信息的功能，确保了错误信息的高效记录与检索。

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/// <summary>
/// 同步完成写入错误信息
/// </summary>
/// <param name="errorInfo"></param>
public static void WriteSystemErrorLog(string ListName, string SapNumber, string errorInfo)
{
try
{
string FileName = DateTime.Now.ToString("yyyy-MM-dd");
string path = @"D:/WorkflowLog/SystemErrorLog";
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);// 创建文件夹
}
//new FileStream("", FileMode.OpenOrCreate, FileShare.None);
using (FileStream fileStream = new FileStream("D:/WorkflowLog/SystemErrorLog/System" + FileName + ".log", FileMode.OpenOrCreate))
{
StreamWriter sw = new StreamWriter(fileStream, Encoding.GetEncoding("GB2312"));
//sw.BaseStream.Seek(0, SeekOrigin.Begin);
//sw.BaseStream.Seek(0, SeekOrigin.Current);
sw.BaseStream.Seek(0, SeekOrigin.End);
sw.WriteLine(System.DateTime.Now + "----" + ListName + " 单号:" + SapNumber);
sw.WriteLine(errorInfo);
sw.WriteLine("===================================================================================");
sw.Flush();
sw.Close();
}
}
catch (Exception)
{

return ;
}

}

/// <summary>
/// 读取错误日志信息
/// </summary>
/// <param name="FileName"></param>
/// <returns></returns>
public static List<string> ReaderErrorLog(string FileName)
{
List<string> list = new List<string>();
string strLine;

try
{
string path = @"D:/WorkflowLog";
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);// 创建文件夹
}
FileStream aFile = new FileStream("D:/WorkflowLog/" + FileName + ".log", FileMode.OpenOrCreate);
StreamReader reader = new StreamReader(aFile, Encoding.GetEncoding("GB2312"));
strLine = reader.ReadLine();
//Read data in line by line 这个兄台看的懂吧~一行一行的读取
while (strLine != null)
{
list.Add(strLine);
strLine = reader.ReadLine();
}
reader.Close();
return list;
}
catch (IOException ex)
{
writeFile(ex.ToString());
return list;
}

}