composer 中国镜像

配置镜像方法：

阿里云镜像：composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/
腾讯云镜像：composer config -g repos.packagist composer https://mirrors.cloud.tencent.com/composer/

 

中国常用composer 镜像：https://learnku.com/composer/wikis/30594