Log 日志收集

class Log
{
private readonly static String DateFormat = "yyyyMMdd";
private readonly static String path = System.AppDomain.CurrentDomain.SetupInformation.ApplicationBase + @"bin\Log";
static Log()
{
try
{
if (!Directory.Exists(path))
Directory.CreateDirectory(path);
WriteLog("日志路径:", path);
}
catch { }
}

public static void WriteLog(String errorLevel, String log)
{

Console.WriteLine(log+"\n输出位置:Log");
Console.WriteLine();
try
{
DateTime dateTime = DateTime.Now;
String logFile = path + @"\log" + dateTime.ToString(DateFormat) + ".txt";
FileStream fileStream;
StreamWriter streamWriter;
if (File.Exists(logFile))
{
fileStream = new FileStream(logFile, FileMode.Append, FileAccess.Write);
streamWriter = new StreamWriter(fileStream);
streamWriter.WriteLine(dateTime);//开始写入值
streamWriter.WriteLine("ErrorLevel:" + errorLevel);
streamWriter.WriteLine(log);
streamWriter.WriteLine();
streamWriter.Close();
fileStream.Close();
}
else
{
fileStream = new FileStream(logFile, FileMode.Create, FileAccess.Write);
streamWriter = new StreamWriter(fileStream);
streamWriter.WriteLine(dateTime);//开始写入值
streamWriter.WriteLine("ErrorLevel:" + errorLevel);
streamWriter.WriteLine(log);
streamWriter.WriteLine();
streamWriter.Close();
fileStream.Close();
}
}
catch { }
}

/// <summary>
/// 警告信息
/// </summary>
/// <param name="message"></param>
public static void warn(Exception exception)
{
WriteLog("warn", exception.ToString());
}

/// <summary>
/// 警告信息
/// </summary>
/// <param name="message"></param>
public static void warn(String message)
{
WriteLog("warn", message);
}

public static void error(Exception exception)
{
WriteLog("error", exception.ToString());
}

/// <summary>
/// 一般错误信息
/// </summary>
/// <param name="message"></param>
public static void error(String message)
{
WriteLog("error", message);
}

/// <summary>
/// 致命的错误信息
/// </summary>
/// <param name="exception"></param>
public static void fatal(Exception exception)
{
WriteLog("fatal", exception.ToString());
}

/// <summary>
/// 致命的错误信息
/// </summary>
/// <param name="message"></param>
public static void fatal(String message)
{
WriteLog("fatal", message);
}
}