DyeingComputer/UserClass/LogGing.cs

using System;
using System.IO;

namespace formula_manage.UserClass
{
    public class LogGing
    {
        public static void LogGingDATA(string dat)
        {
            string logpath = System.Environment.CurrentDirectory + "\\Log";//日志文件目录
            string logPath = "" + System.Environment.CurrentDirectory + "\\Log\\" + DateTime.Now.ToString("yyyy-MM-dd") + ".txt";//日志文件
            string Log_time = "[" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + "]：";

            if (Directory.Exists(logpath))//检查日志路径
            {
                if (!File.Exists(logPath))//检查日志文件并写入启动日志
                {
                    FileStream fs = new FileStream(logPath, FileMode.CreateNew, FileAccess.Write);//创建写入文件 
                    StreamWriter wr = new StreamWriter(fs);//创建文件
                    wr.WriteLine(Log_time + dat);
                    wr.Close();
                }
                else
                {
                    FileStream fs = new FileStream(logPath, FileMode.Append, FileAccess.Write);
                    StreamWriter wr = new StreamWriter(fs);//创建文件
                    wr.WriteLine(Log_time + dat);
                    wr.Close();                }
            }
            else
            {
                DirectoryInfo directoryInfo = new DirectoryInfo(logpath);
                directoryInfo.Create();//创建日志路径
            }
        }
    }
}