無法安裝Laravel（Windows）中

Question

C:\Users\User>composer global require "laravel/installer" 
Changed current directory to C:/Users/User/AppData/Roaming/Composer 
You are running Composer with SSL/TLS protection disabled. 
Warning: Accessing packagist.org over http which is an insecure protocol. 
Using version ^1.3 for laravel/installer 
./composer.json has been updated 
Loading composer repositories with package information 
Warning: Accessing packagist.org over http which is an insecure protocol. 
Updating dependencies (including require-dev) 
Your requirements could not be resolved to an installable set of packages. 

    Problem 1 
    - guzzle/guzzle v3.9.3 requires ext-curl * -> the requested PHP extension curl is missing from your system. 
    - guzzle/guzzle v3.9.2 requires ext-curl * -> the requested PHP extension curl is missing from your system. 
    - guzzle/guzzle v3.9.1 requires ext-curl * -> the requested PHP extension curl is missing from your system. 
    - guzzle/guzzle v3.9.0 requires ext-curl * -> the requested PHP extension curl is missing from your system. 
    - guzzle/guzzle v3.8.1 requires ext-curl * -> the requested PHP extension curl is missing from your system. 
    - guzzle/guzzle v3.8.0 requires ext-curl * -> the requested PHP extension curl is missing from your system. 
    - rackspace/php-opencloud dev-master requires guzzle/guzzle ~3.8 -> satisfiable by guzzle/guzzle[v3.8.0, v3.8.1, v3.9.0, v3.9.1, v3.9.2, v3.9.3]. 
    - Installation request for rackspace/php-opencloud dev-master -> satisfiable by rackspace/php-opencloud[dev-master]. 

無法在Windows上安裝Laravel 5.4，我在貝克年底beginer，所以我從來沒有與作曲家合作過，我安裝PHP和作曲家，解壓卷曲的根目錄，但我有一個錯誤。

Answer 1

您還沒有php curl擴展名。

[Install curl for windows][1] 

1： How do I install cURL on Windows?

你應該在russion語言添加問題堆棧溢出俄羅斯。 Stack on russian