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Unity3D Log 收集机制

　　　　最近做项目的时候发现，需要有一个完整的log机制。这样不仅方便调试而且方便观察。

一、需求

　　目前我认为一个完善的log机制应该是这样的。

　　一、双击定位

　　二、生命周期是全局的

　　三、输出包括consloe 和 log 日志，并且这些log的打印是可配置的。

　　四、未完待续，如果你有更好的想法，请留言。

二、代码实现

　　不废话，直接上代码

using UnityEngine;
using System;
using System.Text;
using System.IO;
using System.Collections;

namespace LogUtil {
    
    public class LogManager : MonoBehaviour
    {
        //public 
        static string LogPath = Application.persistentDataPath + "/";

        //public 
        static string LogFilePath = string.Format("{0}{1}", LogPath, "info");
        //public 
        static int infoCount = 0;

        //public 
        static string LogWaringFilePath = string.Format("{0}{1}", LogPath, "waring");
        //public
        static int waringCount = 0;

        //public
        static string LogErrorFilePath = string.Format("{0}{1}", LogPath, "error");
        //public 
        static int errorCount = 0;

        //public 
        static string LogExceptionFilePath = string.Format("{0}{1}", LogPath, "exception");
        //public 
        static int exceptionCount = 0;

        static LogManager _instance = null;

        //创建第一个实例或引用任何静态成员之前，将自动调用静态构造函数
        static LogManager()
        {
            GameObject tmp = new GameObject("LogManager");
            DontDestroyOnLoad(tmp);
            _instance = tmp.AddComponent<LogManager>();
            //Debug.Log("LogManager");
        }

		//配置是否生成Log日志
        public static bool IsRegister = true;
		//配置是否控制台打印
        public static bool IsLog = true;
        void Awake()
        {
            //register callback
            if (IsRegister) Application.RegisterLogCallbackThreaded(OutPutLog);
        }

        public static void Log(object message)
        {
            if (IsLog) Debug.Log(message);
        }

        public static void LogError(object message)
        {
            if (IsLog) Debug.LogError(message);
        }

        public static void LogWarning(object message)
        {
            if (IsLog) Debug.LogWarning(message);
        }

        public static void LogException(Exception message)
        {
            if (IsLog) Debug.LogException(message);
        }

        public static void LogException(string message)
        {
            if (IsLog) Debug.LogException(new Exception(message));
        }

        FileStream logStream = new FileStream(string.Format("{0}.log", LogFilePath), FileMode.Create);
        FileStream warningStream = new FileStream(string.Format("{0}.log", LogWaringFilePath), FileMode.Create);
        FileStream errorStream = new FileStream(string.Format("{0}.log", LogErrorFilePath), FileMode.Create);
        FileStream exceptionStream = new FileStream(string.Format("{0}.log", LogExceptionFilePath), FileMode.Create);

        public void OutPutLog(string condition, string stackTrace, LogType type)
        {

            string curTime = DateTime.Now.ToString();
            string hint = string.Format("{0} [{1}] {2}
{3}
", curTime, type.ToString(), condition, stackTrace);
            byte[] buffer = Encoding.UTF8.GetBytes(hint);

            switch (type)
            {
                case LogType.Error:

                    if (errorStream != null)
                    {
                        errorStream.Write(buffer, 0, buffer.Length);

                        if (errorStream.Length > 1024 * 1024)
                        {
                            errorStream.Close();

                            File.Move(string.Format("{0}.log", LogErrorFilePath), string.Format("{0}_{1}.log", LogErrorFilePath, waringCount++));

                            errorStream = new FileStream(string.Format("{0}.log", LogErrorFilePath), FileMode.Create);
                        }
                    }

                    break;
                case LogType.Exception:

                    if (exceptionStream != null)
                    {
                        exceptionStream.Write(buffer, 0, buffer.Length);

                        if (exceptionStream.Length > 1024 * 1024)
                        {
                            exceptionStream.Close();

                            File.Move(string.Format("{0}.log", LogExceptionFilePath), string.Format("{0}_{1}.log", LogExceptionFilePath, waringCount++));

                            exceptionStream = new FileStream(string.Format("{0}.log", LogExceptionFilePath), FileMode.Create);
                        }
                    }

                    break;
                case LogType.Log:

                    if (logStream != null)
                    {
                        logStream.Write(buffer, 0, buffer.Length);

                        if (logStream.Length > 1024 * 1024)
                        {
                            logStream.Close();

                            File.Move(string.Format("{0}.log", LogFilePath), string.Format("{0}_{1}.log", LogFilePath, infoCount++));

                            logStream = new FileStream(string.Format("{0}.log", LogFilePath), FileMode.Create);
                        }
                    }
                    break;
                case LogType.Warning:

                    if (warningStream != null)
                    {
                        warningStream.Write(buffer, 0, buffer.Length);

                        if (warningStream.Length > 1024 * 1024)
                        {
                            warningStream.Close();

                            File.Move(string.Format("{0}.log", LogWaringFilePath), string.Format("{0}_{1}.log", LogWaringFilePath, waringCount++));

                            warningStream = new FileStream(string.Format("{0}.log", LogWaringFilePath), FileMode.Create);
                        }
                    }

                    break;
                default:
                    break;
            }
        }

    }

}