我正在尝试做一个简单的作曲家动作(安装laravel(，并在门口被拦住。
完整的错误消息是
C:.....Composer>composer install
Loading composer repositories with package information
[ComposerDownloaderTransportException]
The "https://packagist.org/packages.json" file could not be downloaded: failed to open stream: No connection could be made because the target machine actively refused it.
install [--prefer-source] [--prefer-dist] [--dry-run] [--dev] [--no-dev] [--no-plugins] [--no-custom-installers] [--no-autoloader] [--no-scripts] [--no-progress
] [-v|vv|vvv|--verbose] [-o|--optimize-autoloader] [-a|--classmap-authoritative] [--ignore-platform-reqs] [--] [<packages>]...
C:.....Composer>
Win7/PHP5.5.8
我使用的是Chrome和IE，两者都使用相同的自动配置脚本(指向" wpad.dat"文件(。
我尝试了以下方法：
诊断中的 PHP 变量 (php -i(
变量 => 值...
_SERVER["https_proxy"] => http://172.26.3.10:8080_SERVER["http_proxy"] => http://172.26.3.10:8080
我错过了什么？我一直在关注各种线程，但我似乎缺少一些非常基本的东西。
对代理服务器执行 ping 操作会从与上述相同的 IP 地址生成响应。
https://getcomposer.org/installer 放入浏览器中，我会下载一个名为
installer的文件(在Chrome上(。作曲家未安装 Windows 7
如何启用PHP的openssl扩展来安装Composer？
详细诊断
'C：\xampp\htdocs>composer -v global require "laravel/installer">
Changed current directory to C:/Users/.../AppData/Roaming/Composer
[ComposerDownloaderTransportException]
The "https://packagist.org/packages.json" file could not be downloaded: failed to open stream: No connection could be made because the target machine actively refused it.
Exception trace:
() at phar://C:/xampp/htdocs/composer.phar/src/Composer/Util/RemoteFilesystem.php:297
ComposerUtilRemoteFilesystem->get() at phar://C:/xampp/htdocs/composer.phar/src/Composer/Util/RemoteFilesystem.php:84
ComposerUtilRemoteFilesystem->getContents() at phar://C:/xampp/htdocs/composer.phar/src/Composer/Repository/ComposerRepository.php:601
ComposerRepositoryComposerRepository->fetchFile() at phar://C:/xampp/htdocs/composer.phar/src/Composer/Repository/ComposerRepository.php:415
ComposerRepositoryComposerRepository->loadRootServerFile() at phar://C:/xampp/htdocs/composer.phar/src/Composer/Repository/ComposerRepository.php:246
ComposerRepositoryComposerRepository->hasProviders() at phar://C:/xampp/htdocs/composer.phar/src/Composer/DependencyResolver/Pool.php:99
ComposerDependencyResolverPool->addRepository() at phar://C:/xampp/htdocs/composer.phar/src/Composer/Command/InitCommand.php:565
ComposerCommandInitCommand->getPool() at phar://C:/xampp/htdocs/composer.phar/src/Composer/Command/InitCommand.php:601
ComposerCommandInitCommand->findBestVersionForPackage() at phar://C:/xampp/htdocs/composer.phar/src/Composer/Command/InitCommand.php:334
ComposerCommandInitCommand->determineRequirements() at phar://C:/xampp/htdocs/composer.phar/src/Composer/Command/RequireCommand.php:107
ComposerCommandRequireCommand->execute() at phar://C:/xampp/htdocs/composer.phar/vendor/symfony/console/Command/Command.php:256
SymfonyComponentConsoleCommandCommand->run() at phar://C:/xampp/htdocs/composer.phar/vendor/symfony/console/Application.php:838
SymfonyComponentConsoleApplication->doRunCommand() at phar://C:/xampp/htdocs/composer.phar/vendor/symfony/console/Application.php:189
SymfonyComponentConsoleApplication->doRun() at phar://C:/xampp/htdocs/composer.phar/src/Composer/Console/Application.php:147
ComposerConsoleApplication->doRun() at phar://C:/xampp/htdocs/composer.phar/vendor/symfony/console/Application.php:120
SymfonyComponentConsoleApplication->run() at phar://C:/xampp/htdocs/composer.phar/src/Composer/Console/Application.php:82
ComposerConsoleApplication->run() at phar://C:/xampp/htdocs/composer.phar/src/Composer/Command/GlobalCommand.php:80
ComposerCommandGlobalCommand->run() at phar://C:/xampp/htdocs/composer.phar/vendor/symfony/console/Application.php:838
SymfonyComponentConsoleApplication->doRunCommand() at phar://C:/xampp/htdocs/composer.phar/vendor/symfony/console/Application.php:189
SymfonyComponentConsoleApplication->doRun() at phar://C:/xampp/htdocs/composer.phar/src/Composer/Console/Application.php:147
ComposerConsoleApplication->doRun() at phar://C:/xampp/htdocs/composer.phar/vendor/symfony/console/Application.php:120
SymfonyComponentConsoleApplication->run() at phar://C:/xampp/htdocs/composer.phar/src/Composer/Console/Application.php:82
ComposerConsoleApplication->run() at phar://C:/xampp/htdocs/composer.phar/bin/composer:43
require() at C:xampphtdocscomposer.phar:24`
require [--dev] [--prefer-source] [--prefer-dist] [--no-progress] [--no-update] [--update-no-dev] [--update-with-dependencies] [--ignore-platform-reqs] [--sort
packages] [-o|--optimize-autoloader] [-a|--classmap-authoritative] [--] [<packages>]...
C:xampphtdocs>
我会从启用作曲家的详细输出开始，例如
composer -v install
可能会提供一些启示，但不能保证