Composer安装

https://getcomposer.org/download/

安装是否成功测试

（三）安装composer.json【参考：https://www.cnblogs.com/xiaoleiel/p/11160516.html】

{
     "require": {
         "guzzlehttp/guzzle": "4.2.*",
         "league/csv": "6.0.*",
         "spatie/string": "1.8.*"
     }
}

生成如下文档结构

（四）安装Laravel框架

composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/

（五）安装Laravel DebugBar【https://blog.csdn.net/h330531987/article/details/79088413】

①：composer require barryvdh/laravel-debugbar

②：配置【BarryvdhDebugbarServiceProvider::class】【'Debugbar' => BarryvdhDebugbarFacade::class】

③：安装configdebugbar.php 【php artisan vendor:publish --provider="BarryvdhDebugbarServiceProvider"】

修改debugbar.php 配置文件项目

④：页面测试是否安装成功【php artisan serve】【php artisan serve --host 0.0.0.0】