DotNet.WinFormPager.UI/App_Code/BaseLogException.cs

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

namespace DotNet.WinFormPager.UI
{
    internal static class BaseLogException
    {
        /// <summary>
        /// 用于线程锁的对象|使用静态变量，可锁定所有实例的对象
        /// </summary>
        private static object syncObj = new object();

        /// <summary>
        /// 获取系统异常日志文件路径|将路径生成后再返回
        /// </summary>
        /// <returns></returns>
        internal static string GetExceptionLogPath()
        {
            string directory = Application.StartupPath + @"\Logs\Exception\" + DateTime.Now.ToString("yyyy") + @"\";
            if (!Directory.Exists(directory))
            {
                Directory.CreateDirectory(directory);
            }
            return directory;
        }

        /// <summary>
        /// 写信息写入硬盘日志文件中|txt文档
        /// </summary>
        /// <param name="logMessage"></param>
        private static void WriteExceptionLog(string logMessage)
        {
            if (!string.IsNullOrEmpty(logMessage))
            {

                string logPath = GetExceptionLogPath();
                string logFile = String.Format("Exception{0:yyyyMMdd}.log", DateTime.Now);
                string file = Path.Combine(logPath, logFile);

                logMessage = string.Format("【发生时间】{0}{1}{2}", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff"), Environment.NewLine, logMessage);
                logMessage += string.Format("------------------------------------------------------------------------------------{0}", Environment.NewLine);
                //#region 判断文件是否正在被占用
                //bool fileInUse = true;
                //while (fileInUse)
                //{
                //    Thread.Sleep(1);
                //    fileInUse = DotNet.WinFormPager.Common.FileOperate.IsFileInUse(file);
                //}
                //#endregion
                lock (syncObj)
                {
                    File.AppendAllText(file, logMessage);
                }
            }
        }

        /// <summary>
        /// 记录系统异常信息到硬盘文本文件中|txt文档
        /// </summary>