Laravel框架安装在xampp上失败

Question

嗨，伙计们，当我用composer安装laravel框架时，我有两个错误。我怎么才能解决这个问题？提前谢谢！

composer global require "laravel/installer=~1.1"

错误:

 [RuntimeException]                                                                                                                                               


       Could not load package laravel/framework in http://packagist.org: 
    [UnexpectedValueException] 
        Could not parse version constraint ^1.0.4: Invalid version string "^1.0.4"

。。

  [UnexpectedValueException]                                                  
  Could not parse version constraint ^1.0.4: Invalid version string "^1.0.4"  

**

**Edited :**
composer diagnose
Checking composer.json: FAIL
name : The property name is required
description : The property description is required
No license specified, it is recommended to do so. For closed-source software you may use "proprietary" as license.
Checking platform settings: OK
Checking git settings: OK
Checking http connectivity to packagist: OK
Checking https connectivity to packagist: OK
Checking github.com rate limit: OK
Checking disk free space: OK
Checking composer version: OK

**

Answer 1

使用下面的命令安装特定版本的新laravel项目

composer create-project laravel/laravel your_project_name 4.2.* 

在这里，4.2.*是版本

编辑：

更新你的作曲家。

Answer 2

您可以使用以下命令：

composer self-update

然后创建这样的项目：

composer create-project laravel/laravel {you-project-name} 4.2 --prefer-dist