composer

composer 修改镜像配置为国内， 方式：全局配置和局部配置， 语句：

composer config -g repo.packagist composer https://packagist.phpcomposer.com

局部也可以直接修改composer.json文件，添加：

"repositories": {
    "packagist": {
        "type": "composer",
        "url": "https://packagist.phpcomposer.com"
    }
}

可参考网址：https://pkg.phpcomposer.com/