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分享一个曾经用过的在Unity Editor 上模拟小断线的重连的工具类（手机大退再回来），复制代码到你的工程中，然后挂载到任意物体；运行后，即可模拟断线重连了。

源码如下：

using UnityEditor;using UnityEngine;public class SwitchToBackground : MonoBehaviour{
       public void sendApplicationPauseMessage(bool isPause)    {
           Transform[] transList = GameObject.FindObjectsOfType
   
    ();        for (int i = 0; i < transList.Length; i++)        {
               Transform trans = transList[i];            //Note that messages will not be sent to inactive objects            trans.SendMessage("OnApplicationPause", isPause, SendMessageOptions.DontRequireReceiver);        }    }    public void sendApplicationFocusMessage(bool isFocus)    {
           Transform[] transList = GameObject.FindObjectsOfType
    
     ();        for (int i = 0; i < transList.Length; i++)        {
               Transform trans = transList[i];            //Note that messages will not be sent to inactive objects            trans.SendMessage("OnApplicationFocus", isFocus, SendMessageOptions.DontRequireReceiver);        }    }    public void sendEnterBackgroundMessage()    {
           sendApplicationPauseMessage(true);        sendApplicationFocusMessage(false);    }    public void sendEnterFoegroundMessage()    {
           sendApplicationFocusMessage(true);        sendApplicationPauseMessage(false);    }}[CustomEditor(typeof(SwitchToBackground))]public class simulateSwitchToBackgroundEditor : Editor{
       void OnEnable()    {
       }    public override void OnInspectorGUI()    {
           DrawDefaultInspector();        serializedObject.Update();        serializedObject.ApplyModifiedProperties();//now varibles in script have been updated          if (GUILayout.Button("send enter background message"))        {
               if (Application.isPlaying)            {
                   ((SwitchToBackground)target).sendEnterBackgroundMessage();            }        }        if (GUILayout.Button("send enter foeground message"))        {
               if (Application.isPlaying)            {
                   ((SwitchToBackground)target).sendEnterFoegroundMessage();            }        }    }}
    
   

挂载带场景任意物体上即可。。。

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