Could not open input file: composer.phar 无效解决办法

问题：运行php composer.phar create-project --prefer-dist cakephp/app cms
报错：Could not open input file: composer.phar

解决办法：给出.phar的完整路径
php D:…\composer.phar create-project --prefer-dist cakephp/app cms

转自：https://stackoverflow.com/questions/20769980/could-not-open-input-file-composer-phar