composer安装出现错误,求解决
C:\Users\hs>cd /d E:\websiteE:\website>php -r "readfile('https://getcomposer.org/installer');" | php
PHP Warning: readfile(): php_network_getaddresses: getaddrinfo failed: 不知道这样的主机。 in Command line code on line 1PHP Stack trace:PHP 1. {main}() Command line code:0PHP 2. readfile() Command line code:1