增加正常退出和异常退出的handler

example/index.php

@@ -159,4 +159,12 @@ $robot->server->setMessageHandler(function ($message) use ($path) {
 
 });
 
+$robot->server->setExitHandler(function(){
+    \Hanson\Vbot\Support\Console::log('其他设备登录');
+});
+
+$robot->server->setExceptionHandler(function(){
+    \Hanson\Vbot\Support\Console::log('异常退出');
+});
+
 $robot->server->run();

src/Core/MessageHandler.php

@@ -28,6 +28,10 @@ class MessageHandler
 
     private $customHandler;
 
+    private $exitHandler;
+
+    private $exceptionHandler;
+
     private $sync;
 
     private $messageFactory;
@@ -76,13 +80,43 @@ class MessageHandler
     public function setCustomHandler(Closure $closure)
     {
         if(!$closure instanceof Closure){
-            throw new \Exception('message handler must be a closure!');
+            throw new \Exception('custom handler must be a closure!');
         }
 
         $this->customHandler = $closure;
     }
 
     /**
+     * 退出处理器
+     *
+     * @param Closure $closure
+     * @throws \Exception
+     */
+    public function setExitHandler(Closure $closure)
+    {
+        if(!$closure instanceof Closure){
+            throw new \Exception('exit handler must be a closure!');
+        }
+
+        $this->exitHandler = $closure;
+    }
+
+    /**
+     * 异常处理器
+     *
+     * @param Closure $closure
+     * @throws \Exception
+     */
+    public function setExceptionHandler(Closure $closure)
+    {
+        if(!$closure instanceof Closure){
+            throw new \Exception('exit handler must be a closure!');
+        }
+
+        $this->exceptionHandler = $closure;
+    }
+
+    /**
      * 轮询消息API接口
      */
     public function listen()
@@ -96,15 +130,24 @@ class MessageHandler
             list($retCode, $selector) = $this->sync->checkSync();
 
             if(in_array($retCode, ['1100', '1101'])){ # 微信客户端上登出或者其他设备登录
+                if($this->exitHandler){
+                    Console::log('[INFO] 微信客户端正常退出');
+                    call_user_func_array($this->exitHandler, []);
+                }
                 break;
             }elseif ($retCode == 0){
                 $this->handlerMessage($selector);
             }else{
-                $this->sync->debugMessage($retCode, $selector, 10);
+                if($this->exceptionHandler){
+                    Console::log('[INFO] 微信客户端异常退出');
+                    call_user_func_array($this->exitHandler, []);
+                }
+                break;
             }
 
             $this->sync->checkTime($time);
         }
+        Console::log('[INFO] 程序结束');
     }
 
     /**

src/Core/Server.php

@@ -317,20 +317,22 @@ class Server
 
     public function setMessageHandler(\Closure $closure)
     {
-        if(!is_callable($closure)){
-            throw new \Exception('[ERROR] message handler must be a closure!');
-        }
-
         MessageHandler::getInstance()->setMessageHandler($closure);
     }
 
     public function setCustomerHandler(\Closure $closure)
     {
-        if(!is_callable($closure)){
-            throw new \Exception('[ERROR] message handler must be a closure!');
+        MessageHandler::getInstance()->setCustomHandler($closure);
     }
 
-        MessageHandler::getInstance()->setCustomHandler($closure);
+    public function setExitHandler(\Closure $closure)
+    {
+        MessageHandler::getInstance()->setExitHandler($closure);
+    }
+
+    public function setExceptionHandler(\Closure $closure)
+    {
+        MessageHandler::getInstance()->setExceptionHandler($closure);
     }
 
     public function debug($debug = true)