Unity 输出Debug.log Debug.ErrorLog文件保存到本地

用法：直接挂到第一个场景内的游戏对象上即可。代码如下

 using System; using System.Collections; using System.Collections.Generic; using System.IO; using UnityEngine;  public abstract class MonoSingletonManager<T> : MonoBehaviour where T : MonoSingletonManager<T> {     protected static T instance = null;      public static T GetInstance()     {         if (instance == null)         {             instance = FindObjectOfType<T>();         }          return instance;     }      protected virtual void OnDestroy()     {         instance = null;     } } public enum LogLevel {     LOG = 0,     WARNING = 1,     ERROR = 2,    } public class DebugHelper : MonoSingletonManager<DebugHelper> {     public LogLevel SaveLogLevel;     public bool IsSameFile;     Queue<LogItem> m_vLogs;     FileInfo m_logFileInfo;     static bool m_isInited;     string logFolder;     string logFilename;     string path;      private Dictionary<LogType, LogLevel> logTypeLevelDict = null;     private void Awake()     {         if (m_isInited)         {             Debug.Log("existed logfile object，break");             Destroy(gameObject);             return;         }         Init();     }     private void OnDestroy()      {         //Application.logMessageReceived -= OnLogMessage;         Application.logMessageReceivedThreaded -= OnLogMessageThread;     }     void FixedUpdate()     {         if (m_isInited)         {             this.Refresh(Time.fixedDeltaTime);         }            }      public void Init()     {         if (m_isInited)         {             return;         }         DontDestroyOnLoad(gameObject);         m_isInited = true;         logTypeLevelDict = new Dictionary<LogType, LogLevel>() {                 { LogType.Log, LogLevel.LOG },                 { LogType.Warning, LogLevel.WARNING },                 { LogType.Assert, LogLevel.ERROR },                 { LogType.Error, LogLevel.ERROR },                 { LogType.Exception, LogLevel.ERROR }};         // 创建文件         DateTime timeNow = DateTime.Now; #if UNITY_EDITOR         logFolder = Application.dataPath+"/.."; #else         logFolder = Application.persistentDataPath; #endif         if (IsSameFile)         {             path = logFolder + "/Log.txt";         }else         {             path = logFolder + "/Log" + timeNow.ToString("yyyyMMddHHmmss") + ".txt";         }          m_logFileInfo = new FileInfo(path);         var sw = m_logFileInfo.CreateText();         sw.WriteLine("[{0}] - {1}", Application.productName, timeNow.ToString("yyyy/MM/dd HH:mm:ss"));         sw.Close();         Debug.Log("日志文件已创建：" + path);          // 注册回调         m_vLogs = new Queue<LogItem>();         //Application.logMessageReceived += OnLogMessage;         Application.logMessageReceivedThreaded += OnLogMessageThread;         Debug.Log("日志系统已启动");     }       public void Refresh(float dt)     {         if (m_vLogs.Count > 0)         {             try             {                 var sw = m_logFileInfo.AppendText();                 var item = m_vLogs.Peek(); // 取队首元素但先不移除                 var timeStr = item.time.ToString("HH:mm:ss.ff");                 var logStr = string.Format("{0}-[{1}]{2}", timeStr, item.logType, item.messageString);                 //if (item.logType.Equals(LogType.Error))                 if(logTypeLevelDict[item.logType].Equals(LogLevel.ERROR))                 {                     logStr = string.Format("{0}-[{1}]{2}==>{3}", timeStr, item.logType, item.messageString, item.stackTrace);                 }                 sw.WriteLine(logStr);                 sw.Close();                 m_vLogs.Dequeue(); // 成功执行了再移除队首元素             }             catch (IOException ex)             {                 Debug.Log(ex.Message);             }         }     }      private void OnLogMessage(string condition, string stackTrace, LogType type)     {         if(logTypeLevelDict[type]>= SaveLogLevel)         {             m_vLogs.Enqueue(new LogItem()             {                 messageString = condition,                 stackTrace = stackTrace,                 logType = type,                 time = DateTime.Now             });         }           }      void OnLogMessageThread(string condition, string stackTrace, LogType type)     {         if (logTypeLevelDict[type] >= SaveLogLevel)         {             m_vLogs.Enqueue(new LogItem()             {                 messageString = condition,                 stackTrace = stackTrace,                 logType = type,                 time = DateTime.Now             });         }             } }  public struct LogItem {     /// <summary>     /// 日志内容     /// </summary>     public string messageString;      /// <summary>     /// 调用堆栈     /// </summary>     public string stackTrace;      /// <summary>     /// 日志类型     /// </summary>     public LogType logType;      /// <summary>     /// 记录时间     /// </summary>     public DateTime time; }