// Cache
cache()
Cache::put('key','value',$second);
Cache::put('key','value');
Cache::add('key','value',$seconds);
Cache::forever('key','value');
Cache::sear('key',function(){return 'value';});
Cache::remember('key',$sceonds,function(){return 'value';});
Cache::rememberForever('key',function(){return 'value'});
Cache::forget('key');
Cache::has('key');
Cache::get('key','default');
Cache::get('key';function(){return 'default';});// 取到数据后再删除之
Cache::pull('key');
//清空所有缓存
Cache::flush();Cache::increment('key');
Cache::increment('key',$amount);
Cache::decrement('key');
Cache::decrement('key'$amount);
Cache::tags('my-tag')->put('key','value',$seconds);
Cache::tags('my-tag')->has('key');
Cache::tags(['people','artists'])->put('John',$john,$seconds);
Cache::tags('my-tag')->forget('key');
Cache::tags('my-tag')->flush();
Cache::tags(['people','artists'])->flush();Cache::section('group')->put('key',$value);
Cache::section('group')->get('key');
Cache::section('group')->flush();
Cache::tags(['people','artists'])->put('John',$john,$seconds);// ================辅助函数==================
cache('key');
cache(['key'=>'value'],$seconds);
cache(['key'=>'value',now()-addMinutes(10));// 使用回调函数操作缓存变量的内容
cache()->remember('users',$seconds,function(){return User::all();});// 执行缓存所使用的驱动
Cache::store('file')->get('foo');
Cache::store('redis')->put('name','Jack',600); // 使用redis缓存10分钟// 事件所引用的类
'IlluminateCacheEventsCacheHit' => ['AppListenersLogCacheHit',],
'IlluminateCacheEventsCacheMissed' => ['AppListenersLogCacheMissed',],
'IlluminateCacheEventsKeyForgotten' => ['AppListenersLogKeyForgotten',],
'IlluminateCacheEventsKeyWritten' => ['AppListenersLogKeyWritten',],

cookie();
request()->cookie('name');
Cookie::get('key');
Cookie::get('key','default');
Cookie::forever('key','value');
Cookie::make('key','value','minutes');
cookie('key','value','minutes');
//在回应之前先积累cookie，回应时统一返回
Cookie::queue('key','value','minutes');// 移除cookie
Cookie::forget('key');
// 从response发送一个cookie
$response = Reponse::make('hello world');// 注意，这个地方传入的过期时间，是一个integer
$response->withCookie(Cookie::make('name','value',$minutes)); // 设置未加密 Cookie AppHttpMiddlewareEncryptCookies.php
EncryptCookies->except = ['cookie_name_1'];

// 获取请求参数 form-data 与 raw请求类型
request()->input();
// url: http://xx.com//aa/bb
Request::url();
Request::path();
Request::getRequestUri();
Request::ip();
Request::getUri();
Request::getQueryString();
Request::getPort();
// 判断当前请求的URI是否可被匹配
Request::is('foo/*');
// 获取URI的分段值，从1开始
Request::segment(1);
Request::header('Content-Type');
Request::server('PATH_INFO');
Request::ajax();
Request::secure();
Request::method();
Request::isMethod('post');
//获取原始的post数据
Request::instance()->getContent();
//获取请求要求返回的格式
Request::format();
Request::isJson();// 判断HTTP Accept头部信息是否为 application/json
Request::wantsJson();