初始化-安装依赖

server/plugin/saiadmin/app/model/system/SystemUserRole.php

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+<?php
+// +----------------------------------------------------------------------
+// | saiadmin [ saiadmin快速开发框架 ]
+// +----------------------------------------------------------------------
+// | Author: sai <1430792918@qq.com>
+// +----------------------------------------------------------------------
+namespace plugin\saiadmin\app\model\system;
+
+use think\model\Pivot;
+
+/**
+ * 用户角色关联模型
+ *
+ * sa_system_user_role 用户角色关联
+ *
+ * @property  $id 
+ * @property  $user_id 
+ * @property  $role_id 
+ */
+class SystemUserRole extends Pivot
+{
+    protected $pk = 'id';
+
+    protected $table = 'sa_system_user_role';
+
+    /**
+     * 获取角色id
+     * @param mixed $user_id
+     * @return array
+     */
+    public static function getRoleIds($user_id): array
+    {
+        return static::where('user_id', $user_id)->column('role_id');
+    }
+}