vendor/topthink/framework/src/think/route/Domain.php

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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2021 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
declare (strict_types = 1);

namespace think\route;

use think\helper\Str;
use think\Request;
use think\Route;
use think\route\dispatch\Callback as CallbackDispatch;
use think\route\dispatch\Controller as ControllerDispatch;

/**
 * 域名路由
 */
class Domain extends RuleGroup
{
    /**
     * 架构函数
     * @access public
     * @param  Route       $router   路由对象
     * @param  string      $name     路由域名
     * @param  mixed       $rule     域名路由
     */
    public function __construct(Route $router, string $name = null, $rule = null)
    {
        $this->router = $router;
        $this->domain = $name;
        $this->rule   = $rule;
    }

    /**
     * 检测域名路由
     * @access public
     * @param  Request      $request  请求对象
     * @param  string       $url      访问地址
     * @param  bool         $completeMatch   路由是否完全匹配
     * @return Dispatch|false
     */
    public function check(Request $request, string $url, bool $completeMatch = false)
    {
        // 检测URL绑定
        $result = $this->checkUrlBind($request, $url);

        if (!empty($this->option['append'])) {
            $request->setRoute($this->option['append']);
            unset($this->option['append']);
        }

        if (false !== $result) {
            return $result;
        }