初始版本

application/admin/validate/Domain.php

@@ -0,0 +1,39 @@
+<?php
+
+declare(strict_types=1);
+
+namespace app\admin\validate;
+
+use app\admin\model\Domain as DomainModel;
+use think\Validate;
+
+/**
+ * 域名验证器
+ */
+class Domain extends Validate
+{
+    protected $rule = [
+        'domain' => 'require|checkDomain',
+    ];
+
+    protected $message = [
+        'domain.require' => '请输入根域名',
+    ];
+
+    protected $scene = [
+        'add' => ['domain'],
+    ];
+
+    /**
+     * @param string $value
+     * @return bool|string
+     */
+    protected function checkDomain($value)
+    {
+        $domain = DomainModel::normalizeDomain((string)$value);
+        if (!DomainModel::isValidRootDomain($domain)) {
+            return '请输入合法根域名，不要填写 www 或二级子域名，且不支持中国域名后缀';
+        }
+        return true;
+    }
+}