/// cmd指令:tree /f >list.txt 
/// 目录结构
///└─Log
/// └─20220408
/// test1.log

/// <summary>
/// 保存日志
/// </summary>
/// <param name="info">信息内容</param>
/// <param name="str">文件名</param>
public static void WriteLog(string info, string str)
{
string logDateDirPath = @"./Log/" + DateTime.Now.ToString("yyyyMMdd");

string logFileName = logDateDirPath + "\\" + str + ".log"; ;

if (!Directory.Exists(logDateDirPath))
{
Directory.CreateDirectory(logDateDirPath);
}

try
{
TextWriter tw = new StreamWriter(logFileName, true, System.Text.Encoding.Default); ;

tw.WriteLine(info);

tw.Close();
}
catch (Exception ex)
{

}
}