CoreThink开发（十一）首页控制器判断移动设备还是PC并做相应处理

<?php
// +----------------------------------------------------------------------
// | OpenCMF [ Simple Efficient Excellent ]
// +----------------------------------------------------------------------
// | Copyright (c) 2014 http://www.opencmf.cn All rights reserved.
// +----------------------------------------------------------------------
// | Author: jry <598821125@qq.com>
// +----------------------------------------------------------------------
namespace Home\Controller;
use Think\Controller;
/**
* 前台默认控制器
* @author jry <598821125@qq.com>
*/
class IndexController extends HomeController {
/**
* 默认方法
* @author jry <598821125@qq.com>
*/
public function index() {
Cookie('__forward__', C('HOME_PAGE'));

if ($this->isMobile()) {
$this->redirect('/cms/index/lists/cid/1.html');//使手机重定向到Mobile模块
}

if (C('INDEX_URL')) {
if (stristr(C('INDEX_URL'), 'http://') || stristr(C('INDEX_URL'), 'https://')) {
redirect(C('INDEX_URL'));
} else {
$this->redirect(C('INDEX_URL'));
}
}
$this->assign('meta_title', "首页");
$this->display();
}

function isMobile(){
// 如果有HTTP_X_WAP_PROFILE则一定是移动设备
if (isset ($_SERVER['HTTP_X_WAP_PROFILE']))
return true;

//此条摘自TPM智能切换模板引擎，适合TPM开发
if(isset ($_SERVER['HTTP_CLIENT']) &&'PhoneClient'==$_SERVER['HTTP_CLIENT'])
return true;

//如果via信息含有wap则一定是移动设备,部分服务商会屏蔽该信息
if (isset ($_SERVER['HTTP_VIA']))
//找不到为flase,否则为true
return stristr($_SERVER['HTTP_VIA'], 'wap') ? true : false;
//判断手机发送的客户端标志,兼容性有待提高
if (isset ($_SERVER['HTTP_USER_AGENT'])) {
$clientkeywords = array(
'nokia','sony','ericsson','mot','samsung','htc','sgh','lg','sharp','sie-','philips','panasonic','alcatel','lenovo','iphone','ipod','blackberry','meizu','android','netfront','symbian','ucweb','windowsce','palm','operamini','operamobi','openwave','nexusone','cldc','midp','wap','mobile'
);
//从HTTP_USER_AGENT中查找手机浏览器的关键字
if (preg_match("/(" . implode('|', $clientkeywords) . ")/i", strtolower($_SERVER['HTTP_USER_AGENT']))) {
return true;
}
}
//协议法，因为有可能不准确，放到最后判断
if (isset ($_SERVER['HTTP_ACCEPT'])) {
// 如果只支持wml并且不支持html那一定是移动设备
// 如果支持wml和html但是wml在html之前则是移动设备
if ((strpos($_SERVER['HTTP_ACCEPT'], 'vnd.wap.wml') !== false) && (strpos($_SERVER['HTTP_ACCEPT'], 'text/html') === false || (strpos($_SERVER['HTTP_ACCEPT'], 'vnd.wap.wml') < strpos($_SERVER['HTTP_ACCEPT'], 'text/html')))) {
return true;
}
}
return false;
}
}