winfrom存储txt日志函数

#region 存储日志
public string path = Application.StartupPath + "/logs";

private void WriteLog(string type, string className, string content)
{
if (!Directory.Exists(path))//如果日志目录不存在就创建
{
Directory.CreateDirectory(path);
}

string time = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff");//获取当前系统时间
string filename = path + "/" + DateTime.Now.ToString("yyyy-MM-dd") + ".log";//用日期对日志文件命名

//创建或打开日志文件，向日志文件末尾追加记录
StreamWriter mySw = File.AppendText(filename);

//向日志文件写入内容
string write_content = time + " " + type + " " + className + ": " + content;
mySw.WriteLine(write_content);

//关闭日志文件
mySw.Close();
}
#endregion