前言

之前unity5.x在代碼中寫了debug.log..等等，打包之后在當前程式檔案夾下會有個對應的"outlog.txt",2017之后這個檔案被移到C盤用戶Appdata/LocalLow/公司名檔案夾下面，覺得不方便就自己寫了個

代碼

using UnityEngine;
using System.IO;
using System;
using System.Diagnostics;
using Debug = UnityEngine.Debug;


public class DebugTrace
{
    private FileStream fileStream;
    private StreamWriter streamWriter;

    private bool isEditorCreate = false;//是否在編輯器中也產生日志檔案
    private int showFrames = 1000;  //列印所有

    #region instance
    private static readonly object obj = new object();
    private static DebugTrace m_instance;
    public static DebugTrace Instance
    {
        get
        {
            if (m_instance == null)
            {
                lock (obj)
                {
                    if (m_instance == null)
                        m_instance = new DebugTrace();
                }
            }
            return m_instance;
        }
    }
    #endregion

    private DebugTrace()
    {

    }

 

    /// <summary>
    /// 開啟跟蹤日志資訊
    /// </summary>
    public void StartTrace()
    {
        if (Debug.unityLogger.logEnabled)
        {
            if (Application.isEditor)
            {
                //在編輯器中設定isEditorCreate==true時候產生日志
                if (isEditorCreate)
                {
                    CreateOutlog();
                }
            }
            //不在編輯器中 是否產生日志由  Debug.unityLogger.logEnabled 控制
            else
            {
                CreateOutlog();
            }
        }
    }
    private void Application_logMessageReceivedThreaded(string logString, string stackTrace, LogType type)
    {
        //  Debug.Log(stackTrace);  //打包后staackTrace為空 所以要自己實作
        if (type != LogType.Warning)
        {
            // StackTrace stack = new StackTrace(1,true); //跳過第二?（1）幀
            StackTrace stack = new StackTrace(true);  //捕獲所有幀
            string stackStr = string.Empty;

            int frameCount = stack.FrameCount;  //幀數
            if (this.showFrames > frameCount) this.showFrames = frameCount;  //如果幀數大于總幀速 設定一下

            //自定義輸出幀數,可以自行試試查看效果
            for (int i = stack.FrameCount - this.showFrames; i < stack.FrameCount; i++)
            {
                StackFrame sf = stack.GetFrame(i);  //獲取當前幀資訊
                                                    // 1:第一種    ps:GetFileLineNumber 在發布打包后獲取不到
                stackStr += "at [" + sf.GetMethod().DeclaringType.FullName +
                            "." + sf.GetMethod().Name +
                            ".Line:" + sf.GetFileLineNumber() + "]\n            ";

                //或者直接呼叫tostring 顯示資料過多 且打包后有些資料獲取不到
                // stackStr += sf.ToString();
            }

            //或者 stackStr = stack.ToString();
            string content = string.Format("time: {0}   logType: {1}    logString: {2} \nstackTrace: {3} {4} ",
                                               DateTime.Now.ToString("HH:mm:ss"), type, logString, stackStr, "\r\n");
            streamWriter.WriteLine(content);
            streamWriter.Flush();
        }
    }
    private void CreateOutlog()
    {
        if (!Directory.Exists(Application.dataPath + "/../" + "OutLog"))
            Directory.CreateDirectory(Application.dataPath + "/../" + "OutLog");
        string path = Application.dataPath + "/../OutLog" + "/" + DateTime.Now.ToString("yyyyMMddHHmmss") + "_log.txt";
        fileStream = new FileStream(path, FileMode.OpenOrCreate, FileAccess.ReadWrite);
        streamWriter = new StreamWriter(fileStream);
        Application.logMessageReceivedThreaded += Application_logMessageReceivedThreaded;
    }

    /// <summary>
    /// 關閉跟蹤日志資訊
    /// </summary>
    public void CloseTrace()
    {
        Application.logMessageReceivedThreaded -= Application_logMessageReceivedThreaded;
        streamWriter.Dispose();
        streamWriter.Close();
        fileStream.Dispose();
        fileStream.Close();
    }
    /// <summary>
    /// 設定選項
    /// </summary>
    /// <param name="logEnable">是否記錄日志</param>
    /// <param name="showFrams">是否顯示所有堆疊幀 默認只顯示當前幀 如果設為0 則顯示所有幀</param>
    /// <param name="filterLogType">過濾 默認log級別以上</param>
    /// <param name="editorCreate">是否在編輯器中產生日志記錄 默認不需要</param>
    public void SetLogOptions(bool logEnable, int showFrams = 1, LogType filterLogType = LogType.Log, bool editorCreate = false)
    {
        Debug.unityLogger.logEnabled = logEnable;
        Debug.unityLogger.filterLogType = filterLogType;
        isEditorCreate = editorCreate;
        this.showFrames = showFrams == 0 ? 1000 : showFrams;
    }

}

關于 filterLogType

filterLogType默認設定是Log，會顯示所有型別的Log，

Warning：會顯示Warning,Assert,Error,Exception

Assert：會顯示Assert，Error，Exception

Error：顯示Error和Exception

Exception：只會顯示Exception

使用

using UnityEngine;

public class Test : MonoBehaviour
{
    private BoxCollider boxCollider;
    void Start()
    {
        DebugTrace.Instance.SetLogOptions(true, 2, editorCreate: true); //設定日志打開 顯示2幀 并且編輯器下產生日志
        DebugTrace.Instance.StartTrace();
        Debug.Log("log");
        Debug.Log("log", this);
        Debug.LogError("LogError");
        Debug.LogAssertion("LogAssertion");
      
        boxCollider.enabled = false;  //報錯 發布后捕捉不到幀
    }

    private void OnApplicationQuit()
    {
        DebugTrace.Instance.CloseTrace();
    }
}

如果在編輯器中也設定產生日志，日志檔案在當前專案路徑下，打包后在exe同級目錄下

在打包發布后某些資料會獲取不到例如行號