php - composer global 需要 laravel/installer

Question

我已经尝试了 Laravel 文档中的第一个命令



composer global 需要 laravel/安装程序

我有错误

Changed current directory to /Users/bheng/.composer                                      
Using version ^2.0 for laravel/installer                                                 
./composer.json has been updated                                                         
Loading composer repositories with package information                                   
Updating dependencies (including require-dev)                                            
Your requirements could not be resolved to an installable set of packages.               

  Problem 1                                                                              
    - Conclusion: don't install laravel/installer v2.0.1                                 
    - Conclusion: remove guzzlehttp/guzzle 4.2.3                                         
    - Installation request for laravel/installer ^2.0 -> satisfiable by laravel/installer[v2.0.0, v2.0.1].                                                                        
    - Conclusion: don't install guzzlehttp/guzzle 4.2.3                                  
    - laravel/installer v2.0.0 requires guzzlehttp/guzzle ~6.0 -> satisfiable by guzzlehttp/guzzle[6.0.0, 6.0.1, 6.0.2, 6.1.0, 6.1.1, 6.2.0, 6.2.1, 6.2.2, 6.2.3, 6.3.0, 6.3.1, 6.3.2, 6.3.3].                                                                             
    - Can only install one of: guzzlehttp/guzzle[6.0.0, 4.2.3].                          
    - Can only install one of: guzzlehttp/guzzle[6.0.1, 4.2.3].                          
    - Can only install one of: guzzlehttp/guzzle[6.0.2, 4.2.3].                          
    - Can only install one of: guzzlehttp/guzzle[6.1.0, 4.2.3].                          
    - Can only install one of: guzzlehttp/guzzle[6.1.1, 4.2.3].                          
    - Can only install one of: guzzlehttp/guzzle[6.2.0, 4.2.3].                          
    - Can only install one of: guzzlehttp/guzzle[6.2.1, 4.2.3].                          
    - Can only install one of: guzzlehttp/guzzle[6.2.2, 4.2.3].                          
    - Can only install one of: guzzlehttp/guzzle[6.2.3, 4.2.3].                          
    - Can only install one of: guzzlehttp/guzzle[6.3.0, 4.2.3].                          
    - Can only install one of: guzzlehttp/guzzle[6.3.1, 4.2.3].                          
    - Can only install one of: guzzlehttp/guzzle[6.3.2, 4.2.3].                          
    - Can only install one of: guzzlehttp/guzzle[6.3.3, 4.2.3].                          
    - Installation request for guzzlehttp/guzzle (locked at 4.2.3) -> satisfiable by guzzlehttp/guzzle[4.2.3].

有谁知道为什么？

我正在尝试创建一个新的 Laravel 项目。

Answer 1

您很可能需要 --update-with-all-dependencies 转变:

composer global require laravel/installer --update-with-all-dependencies

如果需要升级已安装的依赖项，Composer 拒绝升级包 - --update-with-all-dependencies用于更改此行为并升级所有必要的依赖项。