添加网站文件

application/admin/validate/AdjustUserLevel.php

@@ -0,0 +1,27 @@
+<?php
+namespace app\admin\validate;
+use think\Db;
+use think\Validate;
+
+class AdjustUserLevel extends Validate{
+    protected $rule = [
+        'id'       => 'require',
+        'level'    => 'require|checkLevel',
+        'remark'   => 'max:100'
+    ];
+
+    protected $message = [
+        'id'            => '请选择用户',
+        'level'         => '请选择会员等级',
+        'remark'        => '备注不能超过100个字符',
+    ];
+
+    protected function checkLevel($value,$rule,$data){
+
+        $level = Db::name('user_level')->where(['del'=>0,'id'=>$value])->find();
+        if($level){
+            return true;
+        }
+        return '该会员等级已不存在，请重新选择';
+    }
+}