Initial commit，修正

vendor/mdmsoft/yii2-admin/docs/guide/basic-usage.md

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+Admin Module
+------------
+- `layout` default to 'left-menu'. Set to null if you want use your current layout.
+- `menus` Change listed menu avaliable for module.
+
+Using module in configuration
+
+```php
+'modules' => [
+    ...
+    'admin' => [
+        'class' => 'mdm\admin\Module',
+        'layout' => 'left-menu', // it can be '@path/to/your/layout'.
+        'controllerMap' => [
+            'assignment' => [
+                'class' => 'mdm\admin\controllers\AssignmentController',
+                'userClassName' => 'app\models\User',
+                'idField' => 'user_id'
+            ],
+            'other' => [
+                'class' => 'path\to\OtherController', // add another controller
+            ],
+        ],
+        'menus' => [
+            'assignment' => [
+                'label' => 'Grand Access' // change label
+            ],
+            'route' => null, // disable menu route 
+        ]
+	],
+],
+```
+
+Access Control Filter
+---------------------
+Access Control Filter (ACF) is a simple authorization method that is best used by applications that only need some simple access control. 
+As its name indicates, ACF is an action filter that can be attached to a controller or a module as a behavior. 
+ACF will check a set of access rules to make sure the current user can access the requested action.
+
+The code below shows how to use ACF which is implemented as `mdm\admin\components\AccessControl`:
+
+```php
+'as access' => [
+    'class' => 'mdm\admin\components\AccessControl',
+    'allowActions' => [
+        'site/login', 
+        'site/error',
+    ]
+]
+```
+
+Filter ActionColumn Buttons
+---------------------------
+When you use `GridView`, you can also filtering button visibility.
+```php
+use mdm\admin\components\Helper;
+
+'columns' => [
+    ...
+    [
+        'class' => 'yii\grid\ActionColumn',
+        'template' => Helper::filterActionColumn('{view}{delete}{posting}'),
+    ]
+]
+```
+It will check authorization access of button and show or hide it.
+
+To check access for route, you can use
+```php
+use mdm\admin\components\Helper;
+
+if(Helper::checkRoute('delete')){
+    echo Html::a(Yii::t('rbac-admin', 'Delete'), ['delete', 'id' => $model->name], [
+        'class' => 'btn btn-danger',
+        'data-confirm' => Yii::t('rbac-admin', 'Are you sure to delete this item?'),
+        'data-method' => 'post',
+    ]);
+}
+
+```
+
+More...
+---------------
+
+- [**User Management**](user-management.md)
+- [**Using Menu**](using-menu.md)
+- [**Basic Configuration**](configuration.md)