我正在尝试在终端中安装octopercms。文档非常简单明了，但当我尝试通过键入来创建项目时
composer create-project october/october myoctober dev-master
我得到这个错误：
Your requirements could not be resolved to an installable set of packages.
Problem 1
- laravel/framework v5.0.9 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.8 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.7 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.6 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.5 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.4 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.34 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.33 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.32 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.31 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.3 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.29 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.28 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.27 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.26 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.25 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.24 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.23 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.22 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.21 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.20 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.2 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.19 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.18 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.17 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.16 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.15 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.14 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.13 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.12 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.11 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.10 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.1 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework v5.0.0 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework 5.0.x-dev requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- laravel/framework 5.0.30 requires ext-mcrypt * -> the requested PHP extension mcrypt is missing from your system.
- Installation request for laravel/framework 5.0.* -> satisfiable by laravel/framework[5.0.30, 5.0.x-dev, v5.0.0, v5.0.1, v5.0.10, v5.0.11, v5.0.12, v5.0.13, v5.0.14, v5.0.15, v5.0.16, v5.0.17, v5.0.18, v5.0.19, v5.0.2, v5.0.20, v5.0.21, v5.0.22, v5.0.23, v5.0.24, v5.0.25, v5.0.26, v5.0.27, v5.0.28, v5.0.29, v5.0.3, v5.0.31, v5.0.32, v5.0.33, v5.0.34, v5.0.4, v5.0.5, v5.0.6, v5.0.7, v5.0.8, v5.0.9].
它仍然制作文件夹，但我不知道如何解决这个问题。似乎没有其他人对十月有这个问题。任何帮助都将不胜感激！
{
"name": "october/october",
"description": "October CMS",
"homepage": "http://octobercms.com",
"keywords": ["october", "cms", "octobercms", "laravel"],
"license": "MIT",
"authors": [
{
"name": "Alexey Bobkov",
"email": "aleksey.bobkov@gmail.com",
"role": "Co-founder"
},
{
"name": "Samuel Georges",
"email": "daftspunky@gmail.com",
"role": "Co-founder"
}
],
"support": {
"issues": "https://github.com/octobercms/october/issues",
"forum": "http://octobercms.com/forum/",
"docs": "http://octobercms.com/docs/",
"irc": "irc://irc.freenode.net/october",
"source": "https://github.com/octobercms/october"
},
"require": {
"php": ">=5.4",
"october/rain": "~1.0",
"october/system": "~1.0",
"october/backend": "~1.0",
"october/cms": "~1.0",
"laravel/framework": "5.0.*",
"illuminate/html": "5.0.*"
},
"require-dev": {
"phpunit/phpunit": "~4.0",
"phpunit/phpunit-selenium": ">=1.2"
},
"autoload-dev": {
"classmap": [
"tests/TestCase.php",
"tests/UiTestCase.php",
"tests/PluginTestCase.php"
]
},
"scripts": {
"post-create-project-cmd": [
"php artisan key:generate"
]
},
"config": {
"preferred-install": "dist"
},
"minimum-stability": "dev",
"prefer-stable": true
}
您应该为PHP安装mcrypt扩展。
对于基于Debian的系统：
sudo apt-get install php5-mcrypt
对于Mac OS X:
brew install mcrypt php56-mcrypt