增加扩展机制定位文件；将common模块实现扩展模式；发布新版本；

app/common/event/AdminLoginSuccess/LogEvent.php

@@ -2,14 +2,8 @@
 
 namespace app\common\event\AdminLoginSuccess;
 
-use app\admin\model\SystemAdmin;
-use think\facade\Log;
+use base\common\event\AdminLoginSuccess\LogEventBase;
 
-class LogEvent
+class LogEvent extends LogEventBase
 {
-    public function handle(SystemAdmin $system_admin)
-    {
-        // 事件监听处理
-        Log::report("admin login success,{$system_admin->username}");
-    }
 }

app/common/event/AdminLoginType/DemoEvent.php

@@ -2,22 +2,8 @@
 
 namespace app\common\event\AdminLoginType;
 
-use think\facade\Env;
-use think\facade\View;
+use base\common\event\AdminLoginType\DemoEventBase;
 
-class DemoEvent
+class DemoEvent extends DemoEventBase
 {
-    public function handle()
-    {
-        $content = '';
-
-        if (Env::get('adminsystem.is_demo', false)) {
-            $content = View::layout(false)->fetch('login/ext/demo');
-        }
-
-        // 事件监听处理
-        return [
-            'view_content' => $content,
-        ];
-    }
 }