1. void Awake()
    2.     {
    3.         //检测程序是否关闭  2018版本以上的
    4.         Application.wantsToQuit += () =>
    5.         {
    6.             string consoleLogPath = Application.consoleLogPath;  //日志路径
    7.             if (File.Exists(consoleLogPath))
    8.             {
    9.                 string filePath = Path.GetDirectoryName(consoleLogPath);
    10.                 string fileExtension = Path.GetExtension(consoleLogPath);
    11.                 string fileName = Path.GetFileNameWithoutExtension(consoleLogPath);
    12.                 string OutLogFilePath = Application.dataPath + "/../LogOut/" + fileName + "_" + DateTime.Now.ToString("yyyyMMddHHmm") + fileExtension;
    13.                 string NewfilePath = Path.GetDirectoryName(OutLogFilePath);
    14.                 if (Directory.Exists(NewfilePath) == false)
    15.                 {
    16.                     Directory.CreateDirectory(NewfilePath);
    17.                 }
    18.                 File.Copy(consoleLogPath, OutLogFilePath, true);
    20.                  //当文件满足六个时，保留时间最新的三个文件
    21.                 DirectoryInfo dir = new DirectoryInfo(NewfilePath);
    22.                 if (dir.GetFiles().Length > 5)
    23.                 {
    24.                     string logFileType = "*.log";
    25.                     string[] filePathArr = Directory.GetFiles(NewfilePath, logFileType, SearchOption.TopDirectoryOnly);
    26.                     Dictionary<string, DateTime> fileCreateDate = new Dictionary<string, DateTime>();
    28.                     if (filePathArr.Length == 0)
    29.                     {
    30.                         logFileType = "*.txt";
    31.                         filePathArr = Directory.GetFiles(NewfilePath, logFileType, SearchOption.TopDirectoryOnly);
    32.                     }
    33.                     for (int i = 0; i < filePathArr.Length; i++)
    34.                     {
    35.                         FileInfo fi = new FileInfo(filePathArr[i]);
    36.                         fileCreateDate[filePathArr[i]] = fi.CreationTime;
    37.                     }
    38.                     fileCreateDate = fileCreateDate.OrderBy(f => f.Value).ToDictionary(f => f.Key, f => f.Value);
    39.                     foreach (KeyValuePair<string, DateTime> item in fileCreateDate)
    40.                     {
    41.                         if (File.Exists(item.Key) && Directory.GetFiles(NewfilePath, logFileType, SearchOption.TopDirectoryOnly).Length > 3)
    42.                         {
    43.                             File.Delete(item.Key);
    44.                         }
    45.                     }
    46.                 }
    47.             }
    48.             return true;
    49.         };
    50.     }
    52.     /// <summary>
    53.     /// 程序关闭（正常）2017版本以下的（不包括右键关闭exe程序）
    54.     /// </summary>
    55.     void OnApplicationQuit()
    56.     {
    57.             string consoleLogPath = Application.consoleLogPath;  //日志路径
    58.             if (File.Exists(consoleLogPath))
    59.             {
    60.                 string filePath = Path.GetDirectoryName(consoleLogPath);
    61.                 string fileExtension = Path.GetExtension(consoleLogPath);
    62.                 string fileName = Path.GetFileNameWithoutExtension(consoleLogPath);
    63.                 string OutLogFilePath = Application.dataPath + "/../LogOut/" + fileName + "_" + DateTime.Now.ToString("yyyyMMddHHmm") + fileExtension;
    64.                 string NewfilePath = Path.GetDirectoryName(OutLogFilePath);
    65.                 if (Directory.Exists(NewfilePath) == false)
    66.                 {
    67.                     Directory.CreateDirectory(NewfilePath);
    68.                 }
    69.                 File.Copy(consoleLogPath, OutLogFilePath, true);
    71.                  //当文件满足六个时，保留时间最新的三个文件
    72.                 DirectoryInfo dir = new DirectoryInfo(NewfilePath);
    73.                 if (dir.GetFiles().Length > 5)
    74.                 {
    75.                     string logFileType = "*.log";
    76.                     string[] filePathArr = Directory.GetFiles(NewfilePath, logFileType, SearchOption.TopDirectoryOnly);
    77.                     Dictionary<string, DateTime> fileCreateDate = new Dictionary<string, DateTime>();
    79.                     if (filePathArr.Length == 0)
    80.                     {
    81.                         logFileType = "*.txt";
    82.                         filePathArr = Directory.GetFiles(NewfilePath, logFileType, SearchOption.TopDirectoryOnly);
    83.                     }
    84.                     for (int i = 0; i < filePathArr.Length; i++)
    85.                     {
    86.                         FileInfo fi = new FileInfo(filePathArr[i]);
    87.                         fileCreateDate[filePathArr[i]] = fi.CreationTime;
    88.                     }
    89.                     fileCreateDate = fileCreateDate.OrderBy(f => f.Value).ToDictionary(f => f.Key, f => f.Value);
    90.                     foreach (KeyValuePair<string, DateTime> item in fileCreateDate)
    91.                     {
    92.                         if (File.Exists(item.Key) && Directory.GetFiles(NewfilePath, logFileType, SearchOption.TopDirectoryOnly).Length > 3)
    93.                         {
    94.                             File.Delete(item.Key);
    95.                         }
    96.                     }
    97.                 }
    98.             }
    99.     }