先上图：
安装步骤：
1、打开你的laravel项目目录
2、Shift+右键在这里打开命令行
3、输入命令：
composer require filp/whoops:~1.0.
4、修改 app/Exceptions/Handler.php
在render()方法中添加一个Whoops样式的处理情况，就像下面这样:
1 /**
2 * Render an exception into an HTTP response.
3 *
4 * @param \Illuminate\Http\Request $request
5 * @param \Exception $exception
6 * @return \Illuminate\Http\Response
7 */
8 public function render($request, Exception $exception)
9 {
10 if ($this->isHttpException($exception)) {
11 return $this->renderHttpException($exception);
12 }
13
14 if (config('app.debug')) {
15 return $this->renderExceptionWithWhoops($exception);
16 }
17
18 return parent::render($request, $exception);
19 }
20
21 /**
22 * Render an exception using Whoops.
23 *
24 * @param \Exception $exception
25 * @return \Illuminate\Http\Response
26 */
27 protected function renderExceptionWithWhoops(Exception $exception)
28 {
29 $json = new \Whoops\Handler\JsonResponseHandler;
30 $json->onlyForAjaxRequests(true);
31
32 $whoops = new \Whoops\Run;
33 $whoops->pushHandler(new \Whoops\Handler\PrettyPageHandler());
34 $whoops->pushHandler($json);
35
36 return new \Illuminate\Http\Response(
37 $whoops->handleException($exception),
38 $exception->getStatusCode(),
39 $exception->getHeaders()
40 );
41 }
然后自己写一个错误测试一下！
如图: