前提:windows中,没有安装composer 1、下载composer的执行文件并运行,地址:https://getcomposer.org/Composer-Setup.exe 2、打开命令行窗口,安装全量镜像,执行命令 composer config -g repo.packagist composer https://packagist.phpcomposer.com 如果上面命令有问题,可以使用下面命令 composer config -g repo.packagist composer https://packagist.laravel-china.org 3、在cmd命令行窗口中,切换到自己的web目录下,执行命令 composer create-project topthink/think tp51 注:tp51目录名可以更改。