composer

window下载

https://getcomposer.org/Composer-Setup.exe

需要开启 openssl 配置，我们打开 php 目录下的 php.ini，将 extension=php_openssl.dll 前面的分号去掉

检测：

composer --version

 

 

更改阿里云 Composer 全量镜像：

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

取消配置

composer config -g --unset repos.packagist

升级到最新

composer self-update