安装Composer
需要启用openssl
打开php.exe所在目录
将php.exe所在目录加入到环境变量
加入后务必重新打开CMD控制台
切换php.exe当前所在目录
下载composer.phar
php -r "copy('https://install.phpcomposer.com/installer', 'composer-setup.php');"
php composer-setup.php
php -r "unlink('composer-setup.php');"
创建composer.bat文件
echo @php "%~dp0composer.phar" %*>composer.bat
修改composer全局配置
composer config -g repo.packagist composer https://packagist.phpcomposer.com