```

feat(domain): 添加DNSPod子域托管自动委派功能

- 新增addDnsPodDelegatedSubdomain方法处理DNSPod子域托管流程
- 实现子域验证TXT记录自动添加和NS委派自动配置
- 增加相关辅助方法：findManagedParentDomainRow、buildRelativeRecordName等
- 在DNSPod驱动中添加createSubdomainValidateTxtValue和describeSubdomainValidateStatus接口
- 更新前端界面显示子域托管提示信息
- 优化域名添加成功后的消息返回逻辑
```

app/controller/Domain.php

@@ -261,14 +261,27 @@ class Domain extends BaseController
             $name = input('post.name', null, 'trim');
             $thirdid = input('post.thirdid', null, 'trim');
             $recordcount = input('post.recordcount/d', 0);
+            $result = [];
             if ($method == 1 && empty($name) || $method == 0 && (empty($name) || empty($thirdid))) return json(['code' => -1, 'msg' => '参数不能为空']);
             if (Db::name('domain')->where('aid', $aid)->where('name', $name)->find()) {
                 return json(['code' => -1, 'msg' => '域名已存在']);
             }
             if ($method == 1) {
-                $dns = DnsHelper::getModel($aid);
-                $result = $dns->addDomain($name);
-                if (!$result) return json(['code' => -1, 'msg' => '添加域名失败，' . $dns->getError()]);
+                $account = Db::name('account')->where('id', $aid)->find();
+                if (!$account) {
+                    return json(['code' => -1, 'msg' => '域名账户不存在']);
+                }
+                $name = strtolower(rtrim($name, '.'));
+                if ($account['type'] == 'dnspod' && getMainDomain($name) !== $name) {
+                    $result = $this->addDnsPodDelegatedSubdomain($account, $name);
+                    if (!$result['success']) {
+                        return json(['code' => -1, 'msg' => $result['msg']]);
+                    }
+                } else {
+                    $dns = DnsHelper::getModel($aid);
+                    $result = $dns->addDomain($name);
+                    if (!$result) return json(['code' => -1, 'msg' => '添加域名失败，' . $dns->getError()]);
+                }
                 $name = $result['name'];
                 $thirdid = $result['id'];
             }
@@ -281,7 +294,11 @@ class Domain extends BaseController
                 'is_sso' => 1,
                 'recordcount' => $recordcount,
             ]);
-            return json(['code' => 0, 'msg' => '添加域名成功！']);
+            $msg = '添加域名成功！';
+            if (!empty($result['msg'])) {
+                $msg .= ' ' . $result['msg'];
+            }
+            return json(['code' => 0, 'msg' => $msg]);
         } elseif ($act == 'edit') {
             if (!checkPermission(2)) return $this->alert('error', '无权限');
             $id = input('post.id/d');
@@ -1200,6 +1217,188 @@ class Domain extends BaseController
         }
     }
 
+    private function addDnsPodDelegatedSubdomain($account, $domain)
+    {
+        $dns = DnsHelper::getModel(intval($account['id']));
+        if (!$dns || !method_exists($dns, 'createSubdomainValidateTxtValue')) {
+            return ['success' => false, 'msg' => '当前腾讯云账户不支持子域托管自动委派'];
+        }
+
+        $parentDomainRow = $this->findManagedParentDomainRow($domain);
+        if (!$parentDomainRow) {
+            return ['success' => false, 'msg' => '未找到可写的父域名，请先把父域添加到系统后再创建子域托管'];
+        }
+
+        $relativeName = $this->buildRelativeRecordName($domain, $parentDomainRow['name']);
+        if ($relativeName === '@') {
+            return ['success' => false, 'msg' => '当前输入看起来是根域名，请直接按普通新域名方式添加'];
+        }
+
+        $validation = $dns->createSubdomainValidateTxtValue($domain);
+        if (!$validation) {
+            return ['success' => false, 'msg' => '获取腾讯云子域校验 TXT 失败，' . $dns->getError()];
+        }
+
+        $validationRecordName = $validation['sub_domain'] !== '' ? $validation['sub_domain'] : $relativeName;
+        $validationValue = $validation['value'] ?? '';
+        if ($validationValue === '') {
+            return ['success' => false, 'msg' => '腾讯云未返回子域校验 TXT 值，请稍后重试'];
+        }
+
+        $saveValidation = $this->ensureManagedRecord(
+            $parentDomainRow,
+            $validationRecordName,
+            'TXT',
+            $validationValue,
+            'DNSPod子域托管校验'
+        );
+        if (!$saveValidation['success']) {
+            return ['success' => false, 'msg' => '父域自动添加校验 TXT 失败，' . $saveValidation['msg']];
+        }
+
+        $validated = false;
+        for ($i = 0; $i < 4; $i++) {
+            if ($dns->describeSubdomainValidateStatus($domain)) {
+                $validated = true;
+                break;
+            }
+            if ($i < 3) {
+                sleep(3);
+            }
+        }
+        if (!$validated) {
+            return [
+                'success' => false,
+                'msg' => '已自动向父域添加腾讯云校验 TXT，但腾讯云暂未检测到生效。请等待 DNS 生效后再次点击添加。校验主机：'
+                    . $validationRecordName . '；校验值：' . $validationValue,
+            ];
+        }
+
+        $result = $dns->addDomain($domain);
+        if (!$result) {
+            return ['success' => false, 'msg' => '腾讯云创建子域托管失败，' . $dns->getError()];
+        }
+
+        $nameServers = isset($result['name_servers']) && is_array($result['name_servers']) ? $result['name_servers'] : [];
+        if (empty($nameServers)) {
+            return [
+                'success' => true,
+                'id' => $result['id'],
+                'name' => $result['name'],
+                'msg' => '腾讯云子域已创建，但未返回 NS 服务器，请到腾讯云控制台查看后手动补父域委派。',
+            ];
+        }
+
+        foreach ($nameServers as $nameServer) {
+            $saveNs = $this->ensureManagedRecord(
+                $parentDomainRow,
+                $relativeName,
+                'NS',
+                $nameServer,
+                'DNSPod子域托管委派'
+            );
+            if (!$saveNs['success']) {
+                return [
+                    'success' => false,
+                    'msg' => '腾讯云子域已创建，但父域自动添加 NS 委派失败，' . $saveNs['msg'] . '。请手动添加 NS：' . implode(', ', $nameServers),
+                ];
+            }
+        }
+
+        return [
+            'success' => true,
+            'id' => $result['id'],
+            'name' => $result['name'],
+            'msg' => '已自动完成父域校验 TXT 和 NS 委派。',
+        ];
+    }
+
+    private function findManagedParentDomainRow($domain)
+    {
+        $domain = strtolower(rtrim(trim($domain), '.'));
+        $rows = Db::name('domain')->alias('d')
+            ->join('account a', 'd.aid = a.id')
+            ->field('d.id,d.aid,d.name,d.thirdid,a.type')
+            ->select()
+            ->toArray();
+        usort($rows, function ($left, $right) {
+            return strlen($right['name']) <=> strlen($left['name']);
+        });
+        foreach ($rows as $row) {
+            $parent = strtolower(rtrim(trim($row['name']), '.'));
+            if ($parent === $domain) {
+                continue;
+            }
+            if (str_ends_with($domain, '.' . $parent)) {
+                return $row;
+            }
+        }
+        return false;
+    }
+
+    private function buildRelativeRecordName($domain, $parentDomain)
+    {
+        $domain = strtolower(rtrim(trim($domain), '.'));
+        $parentDomain = strtolower(rtrim(trim($parentDomain), '.'));
+        if ($domain === $parentDomain) {
+            return '@';
+        }
+        $suffix = '.' . $parentDomain;
+        if (!str_ends_with($domain, $suffix)) {
+            return '';
+        }
+        return substr($domain, 0, -strlen($suffix));
+    }
+
+    private function ensureManagedRecord($domainRow, $name, $type, $value, $remark = null)
+    {
+        $dns = DnsHelper::getModel($domainRow['aid'], $domainRow['name'], $domainRow['thirdid']);
+        if (!$dns) {
+            return ['success' => false, 'msg' => '父域 DNS 驱动初始化失败'];
+        }
+        if ($this->hasExistingManagedRecord($dns, $name, $type, $value)) {
+            return ['success' => true, 'msg' => '记录已存在'];
+        }
+        $line = DnsHelper::$line_name[$domainRow['type']]['DEF'] ?? 'default';
+        $recordId = $dns->addDomainRecord($name, $type, $value, $line, 600, 1, null, $remark);
+        if (!$recordId) {
+            return ['success' => false, 'msg' => $dns->getError()];
+        }
+        return ['success' => true, 'msg' => '添加成功'];
+    }
+
+    private function hasExistingManagedRecord($dns, $name, $type, $value)
+    {
+        $records = $dns->getSubDomainRecords($name === '@' ? '' : $name, 1, 100, $type);
+        if (!$records || empty($records['list']) || !is_array($records['list'])) {
+            return false;
+        }
+        foreach ($records['list'] as $row) {
+            if (strtoupper((string)($row['Type'] ?? '')) !== strtoupper($type)) {
+                continue;
+            }
+            if ($this->isSameDnsRecordValue($type, $row['Value'] ?? '', $value)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private function isSameDnsRecordValue($type, $left, $right)
+    {
+        $left = trim((string)$left);
+        $right = trim((string)$right);
+        if (strtoupper($type) === 'TXT') {
+            $left = trim($left, "\"'");
+            $right = trim($right, "\"'");
+            return $left === $right;
+        }
+        if (strtoupper($type) === 'NS') {
+            return strtolower(rtrim($left, '.')) === strtolower(rtrim($right, '.'));
+        }
+        return $left === $right;
+    }
+
     public function expire_notice()
     {
         if (!checkPermission(2)) return $this->alert('error', '无权限');

app/lib/dns/dnspod.php

@@ -322,11 +322,46 @@ class dnspod implements DnsInterface
         ];
         $data = $this->send_request($action, $param);
         if ($data) {
-            return ['id' => $data['DomainInfo']['Id'], 'name' => $data['DomainInfo']['Domain']];
+            return [
+                'id' => $data['DomainInfo']['Id'],
+                'name' => $data['DomainInfo']['Domain'],
+                'name_servers' => $this->normalizeNameServerList($data['DomainInfo']['GradeNsList'] ?? []),
+            ];
+        }
+        $existingDomain = $this->findExactDomain($Domain);
+        if ($existingDomain) {
+            return $existingDomain;
         }
         return false;
     }
 
+    public function createSubdomainValidateTxtValue($Domain)
+    {
+        $action = 'CreateSubdomainValidateTXTValue';
+        $param = [
+            'DomainZone' => $Domain,
+        ];
+        $data = $this->send_request($action, $param);
+        if ($data) {
+            return [
+                'domain' => trim((string)($data['Domain'] ?? getMainDomain($Domain))),
+                'sub_domain' => trim((string)($data['Subdomain'] ?? '')),
+                'value' => trim((string)($data['Value'] ?? '')),
+            ];
+        }
+        return false;
+    }
+
+    public function describeSubdomainValidateStatus($Domain)
+    {
+        $action = 'DescribeSubdomainValidateStatus';
+        $param = [
+            'DomainZone' => $Domain,
+        ];
+        $data = $this->send_request($action, $param);
+        return is_array($data);
+    }
+
     //域名别名列表
     public function domainAliasList()
     {
@@ -408,4 +443,43 @@ class dnspod implements DnsInterface
         $this->error = $message;
         //file_put_contents('logs.txt',date('H:i:s').' '.$message."\r\n", FILE_APPEND);
     }
+
+    private function normalizeNameServerList($list)
+    {
+        if (!is_array($list)) {
+            return [];
+        }
+        $result = [];
+        foreach ($list as $item) {
+            $value = trim((string)$item);
+            if ($value !== '') {
+                $result[] = strtolower(rtrim($value, '.'));
+            }
+        }
+        return array_values(array_unique($result));
+    }
+
+    private function findExactDomain($domain)
+    {
+        $data = $this->send_request('DescribeDomainList', [
+            'Offset' => 0,
+            'Limit' => 20,
+            'Keyword' => $domain,
+        ]);
+        if (!$data || empty($data['DomainList']) || !is_array($data['DomainList'])) {
+            return false;
+        }
+        foreach ($data['DomainList'] as $row) {
+            $name = strtolower(trim((string)($row['Name'] ?? '')));
+            if ($name !== strtolower(trim((string)$domain))) {
+                continue;
+            }
+            return [
+                'id' => $row['DomainId'],
+                'name' => $row['Name'],
+                'name_servers' => $this->normalizeNameServerList($row['GradeNsList'] ?? []),
+            ];
+        }
+        return false;
+    }
 }

app/view/domain/domain.html

@@ -40,6 +40,7 @@
 						<label class="col-sm-3 control-label">输入域名</label>
 						<div class="col-sm-9">
 							<input type="text" class="form-control" name="adddomain" placeholder="输入要新增的域名" value="">
+							<p class="help-block" id="addDomainHint" style="display:none;">腾讯云子域托管会先自动添加校验 TXT，再向父域自动补 NS 委派。父域必须已添加到系统并具备写入权限。</p>
 						</div>
 					</div>
 					
@@ -320,6 +321,7 @@ $(document).ready(function(){
 			$("#form-store input[name=method][value=0]").prop('checked', true);
 			$("#domainSelect").show();
 			$("#domainInput").hide();
+			$("#addDomainHint").hide();
 			var add = $(this).find('option:selected').data('add');
 			if(add == '1'){
 				$("#methodSelect").show();
@@ -331,13 +333,20 @@ $(document).ready(function(){
 	})
 	$("#form-store input[name=method]").change(function(){
 		var value = $("#form-store input[name=method]:checked").val();
+		var type = String($("#form-store select[name=aid]").find('option:selected').data('type') || '');
 		if(value == '0'){
 			$("#domainSelect").show();
 			$("#domainInput").hide();
+			$("#addDomainHint").hide();
 			getDomainList();
 		}else{
 			$("#domainSelect").hide();
 			$("#domainInput").show();
+			if(type === '腾讯云'){
+				$("#addDomainHint").show();
+			}else{
+				$("#addDomainHint").hide();
+			}
 			$('#domainList').empty();
 		}
 	})