在Yii2上安裝Codeception over Composer

Question

我在我的Yii2項目中安裝Codeception有問題。

1）下載作曲家的Yii2項目：

curl -sS https://getcomposer.org/installer | php 

2）嘗試安裝Codeception：

php composer.phar require "codeception/codeception:*" 

錯誤：

Your requirements could not be resolved to an installable set of packages. 

    Problem 1 
    - yiisoft/yii2 2.0.2 requires bower-asset/jquery 2.1.*@stable | 1.11.*@stable -> no matching package found. 
    - yiisoft/yii2 2.0.2 requires bower-asset/jquery 2.1.*@stable | 1.11.*@stable -> no matching package found. 
    - Installation request for yiisoft/yii2 == 2.0.2.0 -> satisfiable by yiisoft/yii2[2.0.2]. 

Potential causes: 
- A typo in the package name 
- The package is not available in a stable-enough version according to your minimum-stability setting 
    see <https://groups.google.com/d/topic/composer-dev/_g3ASeIFlrc/discussion> for more details. 

Read <http://getcomposer.org/doc/articles/troubleshooting.md> for further common problems. 

Installation failed, reverting ./composer.json to its original content. 

我錯過了什麼？

Answer 1

從http://yiiframework.com/forum/index.php/topic/61520-using-jquery-111

Try deleting [the vendor folder] first. fxp plugin caches packages info in order to be faster so it's not possible to downgrade w/o deleting vendor