今天想在TP5上安装workerman,实现一个后台消息提醒功能. 第一步就卡住了,根据手册里说的首先通过composer安装 $ composer require topthink/think-worker 结果报错 $ composer require topthink/think-worker Using version ^2.0 for topthink/think-worker ./composer.json has been updated Loading composer repo…