一般定时器是一个匿名函数，callback，在函数执行错误的话，很难查找到错误信息。

在这里可以利用添加定时器的时候 对调用栈进行一个快照，当发生错误时输出即可，这样调试起来方便多了。

AddTimer中栈 信息的一个快照为string 作为Timer对象的成员，release发行时可以去掉这种辅助机制

/** Author:  caoshanshan* Email:   me@dreamyouxi.comcode copy from https://git.oschina.net/dreamyouxi/XYGame; */using UnityEngine;using System.Collections;using System.Collections.Generic;using ExtBase;public sealed class TimerQueue : Singleton
    
     {    /// 
     
    /// 添加一个真实时间定时器,返回函数调用即可 打断定时任务    /// 
    /// 
         /// 
         /// 
       <0 will be run forever    public VoidFuncVoid AddTimer(float time_delay, VoidFuncNN cb, int repeat_times = 1, params object[] objs)    {        return this.AddTimer(time_delay, () => { cb(objs); }, repeat_times);    }    /// 
     
    /// 添加一个真实时间定时器，返回函数调用即可 打断定时任务    /// 
    /// 
         /// 
         /// 
       <0 will be run forever    public VoidFuncVoid AddTimer(float time_delay, VoidFuncVoid cb, int repeat_times = 1)    {        if (repeat_times == 0) return null;// () => { };        Timer time = new Timer();        time.delay = time_delay;        time.cb = cb;        time.repeat_times = repeat_times;        //记录定时器添加的时候的快照栈信息，以 提供错误时 更多调试信息        System.Diagnostics.StackTrace st = new System.Diagnostics.StackTrace(true);        string ss = "\n";        for (int i = 0; i < st.FrameCount; i++)        {            var f = st.GetFrame(i);            string name = f.GetFileName();            if (name.Length > Application.dataPath.Length)            {                name = name.Substring(Application.dataPath.Length, name.Length - Application.dataPath.Length);            }            ss += "   " + f.GetMethod().ToString() + " at " + name + " (" + f.GetFileLineNumber() + ") \n";        }        time.stackInfo = ss;        time.Init();        list.Add(time);        return () =>        {            if (time != null && this.list.Contains(time))                time.SetInValid();        };    }    /// 
     
    /// unity engine tick    /// 
    public void Tick()    {        this.Tick(ref list);    }    private void Tick(ref List
     
       list)    {        if (list.Count < 1)            return;        for (int i = 0; i < list.Count; i++)        {            if (list[i] == null)                continue;            TimerBase timer = list[i] as TimerBase;            timer.Tick();        }        for (int i = 0; i < list.Count; )        {            TimerBase b = list[i] as TimerBase;            if (b.IsInValid())            {                list.Remove(b);            }            else            {                ++i;            }        }    }    public void Clear()    {        this.list_ms.Clear();        this.list.Clear();    }    List
      
        list_ms = new List
       
        ();    List
        
          list = new List
         
          ();}class TimerBase : GAObject{ public string stackInfo = ""; public virtual void Tick() { } public VoidFuncVoid cb = null; public int repeat_times = 1; protected int repeat_times_current = 0;}sealed class Timer : TimerBase{ public override void Tick() { if (this.IsInValid()) return; if (current < delay) { current += Time.deltaTime; return; } if (cb != null) { try { cb(); } catch (System.Exception e) { Debug.LogError(e.Message); Debug.LogError("add timer stackTrace:" + this.stackInfo); Debug.LogError("call stackTrace:" + e.StackTrace); } cb = null; } current = 0.0f; if (++repeat_times_current >= repeat_times && repeat_times >= 0) { this.SetInValid(); } } public override bool Init() { return true; } float current = 0.0f; public float delay = 0.0f;}