安装Laravel代码自动补全插件 (一)切换到国内镜像 Composer官方源[不是特别稳定] 命令: composer config repo.packagist composer https://packagist.phpcomposer.com 阿里源[推荐使用] composer config repo.packagist composer https://mirrors.aliyun.com/composer/ (二)先将composer