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C#小型日志类


参考文章:

​​http://www.tuicool.com/articles/RB3Qrq​​



class LogClass
{
/// <summary>
/// 保存日志
/// </summary>
/// <param name="strLog">日志内容</param>
/// <returns></returns>
public void SaveLog(string strLog)
{
if (strLog == null)
{
return;
}
string strLogFilePath = Directory.GetCurrentDirectory() + "\\log.txt";
FileInfo fileLog = new FileInfo(strLogFilePath);
if (!fileLog.Exists)
{
FileStream fs;
fs = File.Create(strLogFilePath);
fs.Close();
fileLog = new FileInfo(strLogFilePath);
}

// 文件超过指定大小则换文件保存
if (fileLog.Length > 1024 * 1024 * 300)
{
string strBakFile = Directory.GetCurrentDirectory() + "\\log.txt.bak";
File.Delete(strBakFile);
File.Move(strLogFilePath, strBakFile);
}

using (FileStream fs = fileLog.OpenWrite())
{
StreamWriter streamWriter = new StreamWriter(fs);
streamWriter.BaseStream.Seek(0, SeekOrigin.End);
streamWriter.Write("[{0}] ", string.Format("{0:yyyy-MM-dd HH:mm:ss:ffff}", DateTime.Now));
streamWriter.Write(strLog + "\r\n");
streamWriter.Flush();
streamWriter.Close();
}
}

[System.Runtime.InteropServices.DllImport("kernel32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto)]
public static extern void OutputDebugString(string message);

/// <summary>
/// 调试日志输出
/// </summary>
/// <param name="strLog">日志内容</param>
/// <returns></returns>
public void DbgLog(string strLog)
{
#if DEBUG
if (strLog != null)
{
string strTime = string.Format("{0:yyyy-MM-dd HH:mm:ss:ffff}", DateTime.Now);
string strTmp = string.Format("[{0}] {1}", strTime, strLog);
Console.WriteLine(strTmp);
OutputDebugString(strTmp);
}
#endif
}
}

C#小型日志类_调试

 

 




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