Unity 日志获取输出

using System.Collections;
using System.Collections.Generic;
using System.Text;
using UnityEngine;
using UnityEngine.UI;

public class DebugPanel : MonoBehaviour {

    public Text logText;

    private int count = 0;
    StringBuilder MyStrBulder;
    public string LogSign = "";
    /// <summary>
    /// 最大debug数  超出此个数则覆盖最开始的debug
    /// </summary>
    public int maxDebugLineCount = 25;
    private int index = 0;
    private void Awake()
    {
        MyStrBulder = new StringBuilder();
        Application.logMessageReceived += HandleLog;
        panel = transform.Find("Head/Canvas").gameObject.activeSelf;
        Debug.Log(panel);
    }
    private bool panel;
    private void Update()
    {
        if (panel!= transform.Find("Head/Canvas").gameObject.activeSelf)
        {
            panel = transform.Find("Head/Canvas").gameObject.activeSelf;
            Debug.Log(panel);
        }
    }
    void HandleLog(string message, string stackTrace, LogType type)
    {
        if (!logText)
            return;
        if (type != LogType.Error && !string.IsNullOrEmpty(LogSign) && message.Contains(LogSign) == false)
            return;
        switch (type)
        {
            case LogType.Error:
                message = "<color=#FF0000>" + message + "</color>";
                break;
            case LogType.Assert:
                message = "<color=#0000ff>" + message + "</color>";
                break;
            case LogType.Warning:
                message = "<color=#EEEE00>" + message + "</color>";
                break;
            case LogType.Log:
                message = "<color=#000000>" + message + "</color>";
                break;
            case LogType.Exception:
                return;
            default:
                return;
        }
        MyStrBulder.AppendFormat("{0}:{1}\n", count, message);
        count++;

        if (count > maxDebugLineCount) {
            index = MyStrBulder.ToString().IndexOf("\n");

            MyStrBulder.Remove(0, index + 1);
        }

        logText.text = MyStrBulder.ToString();
    }
}

创建一个text，直接把他拖到这个脚本里就可以了