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<?php
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namespace app\middleware;
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use app\admin\controller\system\Administrators;
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use app\common\ResponseJson;
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use think\Response;
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use think\Request;
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/**
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* 维护模式请求处理
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* Class MaintainMiddleware
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* @package app\middleware
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* @author chenlong <vip_chenlong@163.com>
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*/
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class MaintainMiddleware
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{
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/**
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* @param Request $request
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* @param \Closure $closure
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* @return mixed
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*/
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public function handle(Request $request, \Closure $closure)
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{
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if(!env('MAINTAIN')){
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return $closure($request);
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}
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$appName = app('http')->getName();
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halt($request);
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if ($appName === 'admin') {
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return $this->adminApp($request, $closure);
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}
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//
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// 如有其他应用自定义处理方式
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//
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return ResponseJson::fail(lang('maintain s'));
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}
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/**
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* 后台管理处理
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* @param Request $request
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* @param \Closure $closure
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* @return mixed|Response|\think\response\Json
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*/
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private function adminApp(Request $request, \Closure $closure)
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{
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if (!Administrators::LoginCheck() || admin_session('maintain') === true) {
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return $closure($request);
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}
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if ($request->isAjax()) {
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return ResponseJson::fail(lang('maintain s'));
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}else{
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return Response::create($this->html());
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}
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}
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/**
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* 维护html展示
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* @return string
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*/
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private function html()
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{
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$lang = lang(lang('maintain s'));
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return <<<HTML
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<style>
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body{
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background: #efefef;
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}
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div{
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font-size: 50px;
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position: absolute;
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width:100%;
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height: 100%;
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line-height: 100%;
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}
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p{
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position: absolute;
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top: 50%;
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left: 50%;
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height: 50px;
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text-align: center;
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font-weight: bold;
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width: 300px;
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color: red;
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margin: -25px 0 0 -150px;
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text-shadow: white -1px -1px, black 1px 1px;
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}
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</style>
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<div><p>{$lang}</p></div>
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HTML;
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}
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}
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