jiaocai/application/index/controller/Index.php

<?php

namespace app\index\controller;

use app\common\controller\Frontend;

class Index extends Frontend
{

    protected $noNeedLogin = '*';
    protected $noNeedRight = '*';
    protected $layout = '';

    public function index()
    {
        $isMobile = $this->isMobile();
        if ($isMobile) {
            //echo "手机访问";
            $this->redirect("/h5");   //关键代码重定向
        } else {
            //echo "PC访问";
            $this->redirect("/dist");   //关键代码重定向
        }

//        return $this->view->fetch();
    }

    function isMobile() {
        // 获取用户代理字符串
        $user_agent = strtolower($_SERVER['HTTP_USER_AGENT']);
        // 判断是否为手机
        $mobile_agents = array('iphone', 'ipod', 'ipad', 'android', 'mobile', 'blackberry', 'webos', 'incognito', 'webmate', 'bada', 'nokia', 'lg', 'ucweb', 'skyfire');
        $is_mobile = false;
        foreach ($mobile_agents as $device) {
            if (strstr($user_agent, $device)) {
                $is_mobile = true;
                break;
            }
        }
        return $is_mobile;
    }

}