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如何保存Unity中的Log日志

作者:q527955281

这篇文章主要介绍了如何保存Unity中的Log日志的操作,具有很好的参考价值,希望对大家有所帮助。一起跟随小编过来看看吧

代码中的debug日志保存本地

using System.Collections;
using UnityEngine;
using System.IO; 
public class SaveLog : MonoBehaviour
{
    private float length;
    Queue queue;
 
    private void Awake()
    {
        DontDestroyOnLoad(this);
        LogToFile("Version of the runtime: " + Application.unityVersion, true, false);
        Application.logMessageReceivedThreaded += OnReceiveLogMsg;
        queue = new Queue();
    }
    // Start is called before the first frame update    
    void OnReceiveLogMsg(string condition, string stackTrace, LogType type) {
        string _type = "";
        switch (type)
        {
            case LogType.Error:
                _type = "error";
                break;
            case LogType.Assert:
                _type = "Assert";
                break;
            case LogType.Warning:
                _type = "Warning";
                break;
            case LogType.Log:
                _type = "Log";
                break;
            case LogType.Exception:
                _type = "Exception";
                break;
            default:
                break;
        }
        string msg = "[MSG]:" + condition + "--" + "[station]:" + stackTrace + "-" + "[LogType]:" + _type;
        queue.Enqueue(msg);
    }
    // Update is called once per frame
    void Update()
    {
        CheckLogs();
    }
    void CheckLogs() {
        if (queue.Count != 0) {
            LogToFile(queue.Peek().ToString(), true, true,()=> { queue.Dequeue(); });           
        }
    }
    public  void LogToFile(string str, bool bwithTime, bool bAppendLineFeed,System.Action callback = null) {
        if (str == null) return;
        try
        {
#if UNITY_EDITOR
            string fname = Application.dataPath + "/Unitylog.txt";
#else
            string fname = Application.persistentDataPath+ "/Unitylog.txt";
#endif 
            if (fname == "" || fname == null) return; 
            StreamWriter writer = new StreamWriter(fname, true, System.Text.Encoding.Default);
            
            if (bwithTime) writer.WriteLine("\r\n\r\n---------" + System.DateTime.Now.ToString());
            if (bAppendLineFeed) writer.WriteLine(str);
            else writer.Write(str);
            writer.Close();
            callback?.Invoke();
        }
        catch
        { 
            throw;
        }
    }
}

结果:

补充:Unity3D log写入文件

关键代码:Application.RegisterLogCallback(logCallBack);

using UnityEngine;
using System.IO; 
public class Logger
{
    string fullPath; 
    public void InitLogger()
    {
        fullPath = Application.dataPath + "/output.txt";
        if (File.Exists(fullPath)) File.Delete(fullPath);
        Debug.Log(fullPath.Replace("/output.txt", ""));
        if (Directory.Exists(fullPath.Replace("/output.txt", "")))
        {
            FileStream fs = File.Create(fullPath);
            fs.Close();
            Application.logMessageReceived += logCallBack;
        }
        else
        {
            Debug.LogError("directory is not exist");
        }
    } 
 
    private void logCallBack(string condition, string stackTrace, LogType type)
    {
        if (File.Exists(fullPath))
        {
            using (StreamWriter sw = File.AppendText(fullPath))
            {
                sw.WriteLine(condition);
                sw.WriteLine(stackTrace);
            }
        }
    }
 
    private static Logger s_instance;
    public static Logger instance
    {
        get
        {
            if (null == s_instance)
                s_instance = new Logger();
            return s_instance;
        }
    }
}
 

以上为个人经验,希望能给大家一个参考,也希望大家多多支持脚本之家。如有错误或未考虑完全的地方,望不吝赐教。

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