解決composer錯誤：Composer\Downloader\TransportException

下面由教學欄目給大家介紹解決composer錯誤：Composer\Downloader\TransportException的方法，希望對需要的朋友有所幫助！

 [Composer\Downloader\TransportException]
  The "http://packagist.org/packages.json" file could not be downloaded: failed to open stream: HTTP request failed!create-project [-s|--stability="..."] [--prefer-source] [--prefer-dist] [--repository-url="..."] [--dev] [--no-dev] [--n
o-plugins] [--no-custom-installers] [--no-scripts] [--no-progress] [--keep-vcs] [--no-install] [--ignore-platform-reqs]
[package] [directory] [version]

解決方法禁用https請求，改用http方式。所以我們在composer.json檔案中設定一個本地或全域性的composer設定config

方法一：命令列composer config secure-http false。通過命令修改composer.json，效果等同方法二。

方法二：直接改composer.json,給「config」項中加上"secure-http": false

"config" : {  
        "vendor-dir" : "packages",        "secure-http": false  }

全域性設定（推薦）

composer config -l -g//切換到國內源  阿里composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/composer config -g --unset repos.packagist

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