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<?php |
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// +---------------------------------------------------------------------- |
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// | ThinkPHP [ WE CAN DO IT JUST THINK ] |
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// +---------------------------------------------------------------------- |
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// | Copyright (c) 2006~2021 http://thinkphp.cn All rights reserved. |
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// +---------------------------------------------------------------------- |
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 ) |
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// +---------------------------------------------------------------------- |
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// | Author: liu21st <[email protected]> |
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// +---------------------------------------------------------------------- |
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declare (strict_types = 1); |
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namespace think\middleware; |
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use Closure; |
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use think\App; |
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use think\Config; |
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use think\Cookie; |
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use think\Lang; |
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use think\Request; |
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use think\Response; |
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/** |
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* 多语言加载 |
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*/ |
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class LoadLangPack |
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{ |
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protected $app; |
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protected $lang; |
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protected $config; |
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public function __construct(App $app, Lang $lang, Config $config) |
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{ |
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$this->app = $app; |
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$this->lang = $lang; |
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$this->config = $lang->getConfig(); |
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} |
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/** |
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* 路由初始化（路由规则注册） |
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* @access public |
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* @param Request $request |
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* @param Closure $next |
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* @return Response |
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*/ |
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public function handle($request, Closure $next) |
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{ |
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// 自动侦测当前语言 |
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$langset = $this->detect($request); |
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if ($this->lang->defaultLangSet() != $langset) { |
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$this->lang->switchLangSet($langset); |
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} |
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$this->saveToCookie($this->app->cookie, $langset); |
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return $next($request); |
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} |
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/** |
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* 自动侦测设置获取语言选择 |
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* @access protected |
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* @param Request $request |
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* @return string |
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*/ |
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protected function detect(Request $request): string |
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{ |
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// 自动侦测设置获取语言选择 |
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$langSet = ''; |
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if ($request->get($this->config['detect_var'])) { |
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// url中设置了语言变量 |
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$langSet = strtolower($request->get($this->config['detect_var'])); |
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} elseif ($request->header($this->config['header_var'])) { |
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// Header中设置了语言变量 |
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$langSet = strtolower($request->header($this->config['header_var'])); |
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} elseif ($request->cookie($this->config['cookie_var'])) { |
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// Cookie中设置了语言变量 |
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$langSet = strtolower($request->cookie($this->config['cookie_var'])); |
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} elseif ($request->server('HTTP_ACCEPT_LANGUAGE')) { |
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// 自动侦测浏览器语言 |
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$match = preg_match('/^([a-z\d\-]+)/i', $request->server('HTTP_ACCEPT_LANGUAGE'), $matches); |
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if ($match) { |
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$langSet = strtolower($matches[1]); |
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if (isset($this->config['accept_language'][$langSet])) { |
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$langSet = $this->config['accept_language'][$langSet]; |
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} |
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} |
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} |
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if (empty($this->config['allow_lang_list']) || in_array($langSet, $this->config['allow_lang_list'])) { |
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// 合法的语言 |
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$range = $langSet; |
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$this->lang->setLangSet($range); |
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} else { |
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$range = $this->lang->getLangSet(); |
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} |
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return $range; |
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} |
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/** |
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* 保存当前语言到Cookie |
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* @access protected |
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* @param Cookie $cookie Cookie对象 |
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* @param string $langSet 语言 |
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* @return void |
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*/ |
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protected function saveToCookie(Cookie $cookie, string $langSet) |
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{ |
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if ($this->config['use_cookie']) { |
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$cookie->set($this->config['cookie_var'], $langSet); |
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} |
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} |
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} |
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top-think /
framework
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