笔记：中间件 middleware

    public function handle($request, Closure $next)
    {
        //请求执行之前,过滤http请求
        Log::info('请求之前过滤http请求', []);

        $response = $next($request);

        //请求执行之后
        $response->header('Token', 'this is add token!');       //设置响应头的token
        $response->headers->set('Token1', 'this is add token1!');       //设置响应头的token
        $response->withHeaders([
            'Token2' => 'this is add token2!',
        ]);
        Log::info('controller return 之后', [1, 2, 3]);

        //响应
        return $response;
    }Copy

    public function terminate($request, $response)
    {
        $slowRequest = config('request.slow_request_time');
        $useTime = microtime(true) - $_SERVER['REQUEST_TIME_FLOAT'];
        $log = [
            'url' => $request->url(),
            'method' => $request->method(),
            'path' => $request->path(),
            'headers' => $request->headers->all(),
            'params' => $request->all(),
            'clientIps' => $request->getClientIps()
        ];
        $info =  $request->path() . ' => userTime:' . $useTime * 1000 . 'ms';
        if ($slowRequest && $useTime > $slowRequest) {
            Log::channel('reqSlowLog')->info($info, $log);
        } else {
            Log::channel('reqLog')->info($info, $log);
        }
    }Copy

    // 慢请求日志时间
    'slow_request_time' => env('SLOW_REQUEST_TIME', 0),
Copy