//ip解析composer

composer require zoujingli/ip2region

七牛云
composer require myclabs/php-enum 1.6.6

composer require qiniu/php-sdk 


PHPEXCLE
composer require phpoffice/phpexcel


phpoffice/phpspreadsheet

composer require phpoffice/phpspreadsheet


phpmailer
composer require phpmailer/phpmailer="5.2.16"

pinyin
composer require "overtrue/pinyin:~4.0"