用途                                包名                                安装
项目生成器                     orderlee/orderlee        composer  require  orderlee/orderlee
数据库操作                     catfan/medoo                 composer  require  catfan/medoo
图片处理                         intervention/image         composer  require  intervention/image
邮件发送                         phpmailer/phpmailer      composer  require  phpmailer/phpmailer
excel操作类                    phpoffice/phpexcel         composer  require  phpoffice/phpexcel
word操作类                     phpoffice/phpword         composer  require  phpoffice/phpword
HTTP请求类                   guzzlehttp/guzzle           composer  require  guzzlehttp/guzzle
长连接类（命令行）       workerman/workerman  composer  require  workerman/workerman
轻量级框架                     orderlee/simple-route     composer  create-project  orderlee/simple-route