C#开发之简单的日志打印类

public  class LogHelper
{
private static readonly LogHelper Instance = new LogHelper();
public static LogHelper GetLogHelper()
{
return Instance;
}

#region 公共属性
public string StrStartupPath
{
get { return Environment.CurrentDirectory; }
}
public string FileName
{
get
{
return StrStartupPath + @"\Logs" + @"\SyncLog" + DateTime.Now.ToString("yyyyMMdd") + ".txt";
}
}

#endregion

#region 写日志

public void CreateLog(string strMsg)
{

//1. 判断目录是否存在
var fileLocation = StrStartupPath + @"\Logs";
if (!Directory.Exists(fileLocation))
{
Directory.CreateDirectory(fileLocation);
}

//2. 日志写入
using (StreamWriter myWriter = new StreamWriter(FileName, true))
{
try
{
myWriter.WriteLine("============" + DateTime.Now.ToString("yy/MM/dd HH:mm:ss:fff") + "," + strMsg +
"============");
myWriter.WriteLine("");
}
finally
{
myWriter.Close();
}
}

}
#endregion

}