跟具官方文档说:Laravel utilizes Composer to manage its dependencies. So, before using Laravel, you will need to make sure you have Composer installed on your machine. 参考文档:https://laravel.com/docs/5.0 按照文档说明执行,安装速度真是超级慢.我一度认为是安装出现了错误.下面是我安装的截图. 一共出现了三次信息提示.