fl-knowledge/LP/MyLog.cs

using System;
using System.IO;
using System.Text;
using System.Windows.Forms;

namespace LP;

public class MyLog
{
	public static string oldLog = "";

	public static string fileName_Log = "log.txt";

	public static string fileName_Log_everyone = "log_one.txt";

	public static StringBuilder theLog = null;

	public static DateTime theStartTime = DateTime.Now;

	public static DateTime theEndTime = DateTime.Now;

	public static void Init_Log()
	{
		if (theLog == null)
		{
			theLog = new StringBuilder();
		}
		theLog.Clear();
		oldLog = "";
		theStartTime = DateTime.Now;
	}

	public static void Load_Log(string _path)
	{
		if (string.IsNullOrEmpty(_path) || !Directory.Exists(_path))
		{
			return;
		}
		string path = _path + "\\" + fileName_Log;
		if (!File.Exists(path))
		{
			return;
		}
		Encoding[] array = new Encoding[6]
		{
			Encoding.UTF8,
			Encoding.Default,
			Encoding.ASCII,
			Encoding.Unicode,
			Encoding.UTF7,
			Encoding.UTF32
		};
		int num = 0;
		bool flag = false;
		string text = "";
		for (int i = 0; i < array.Length; i++)
		{
			try
			{
				using FileStream fileStream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.None);
				using (StreamReader streamReader = new StreamReader(fileStream, array[i]))
				{
					text = streamReader.ReadToEnd().Trim();
					if (string.IsNullOrEmpty(text) || text.IndexOf("使用时长") >= 0)
					{
						num = i;
						flag = true;
					}
					streamReader.Close();
				}
				fileStream.Close();
			}
			catch (Exception)
			{
			}
			if (flag)
			{
				break;
			}
		}
		using FileStream fileStream2 = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.None);
		using (StreamReader streamReader2 = new StreamReader(fileStream2, array[num]))
		{
			oldLog = streamReader2.ReadToEnd().Trim();
			streamReader2.Close();
		}
		fileStream2.Close();
	}

	public static void Save_Log(string _path)
	{
		if (string.IsNullOrEmpty(_path) || !Directory.Exists(_path) || string.IsNullOrEmpty(theLog.ToString()))
		{
			return;
		}
		theEndTime = DateTime.Now;
		double totalSeconds = (theEndTime - theStartTime).TotalSeconds;
		int num = (int)(totalSeconds / 3600.0);
		int num2 = (int)((totalSeconds - (double)(num * 3600)) / 60.0);
		double num3 = totalSeconds - (double)(num * 3600) - (double)(num2 * 60);
		string text = "";
		if (num > 0)
		{
			text = text + num + "小时";
		}
		if (num > 0 || num2 > 0)
		{
			text = text + num2 + "分";
		}
		text = text + num3.ToString("F2") + "秒";
		string path = _path + "\\" + fileName_Log;
		using FileStream fileStream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.None);
		using (StreamWriter streamWriter = new StreamWriter(fileStream, Encoding.UTF8))
		{
			streamWriter.WriteLine($"本次使用时长={text} {theStartTime} - {theEndTime} ");
			streamWriter.WriteLine("[ " + theLog.ToString() + " ]");
			streamWriter.WriteLine();
			if (!string.IsNullOrEmpty(oldLog))
			{
				streamWriter.WriteLine(oldLog);
			}
			streamWriter.Close();
		}
		fileStream.Close();
	}

	public static void AddLog(string msg)
	{
		theLog.Append(msg + "\r\n");
		AddLog_EveryOne(msg);
	}

	public static void AddLog_EveryOne(string msg)
	{
		string text = Application.StartupPath + "\\" + FormDesktop.mSubPath_Primary;
		string path = text + "\\" + fileName_Log_everyone;
		using FileStream fileStream = new FileStream(path, FileMode.Append, FileAccess.Write, FileShare.None);
		using (StreamWriter streamWriter = new StreamWriter(fileStream, Encoding.UTF8))
		{
			streamWriter.WriteLine(msg);
			streamWriter.Close();
		}
		fileStream.Close();
	}
}