本文转载自： https://www.insp.top/article/composer-mirror-image

常见的：

{    "repositories": [        {"type": "composer", "url": "http://packagist.phpcomposer.com"},        {"packagist": false}    ]}

其中 url 可替换为以下地址：

• http://composer-proxy.jp/proxy/packagist
• http://comproxy.cn/repo/packagist
• http://packagist.cn
• http://pkg.uselaravel.com/repo/packagist

国内 Composer 镜像收集