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在这些情况下,你可以考虑创建一个插件来处理特定的逻辑。 在这些情况下,你可以考虑创建一个插件来处理特定的逻辑。
## Creating a Plugin ## 创建一个插件
A plugin is a regular composer package which ships its code as part of the 一个插件就是一个普通的 Composer 资源包,插件的主要代码都位于这个包中,并且还可以依赖更多其它的资源包。
package and may also depend on further packages.
### Plugin Package ### 插件包
The package file is the same as any other package file but with the following 插件包内的文件和普通资源包相同,但必须满足下列要求:
requirements:
1. the [type][1] attribute must be `composer-plugin`. 1. [type][1] 属性必须是 `composer-plugin`
2. the [extra][2] attribute must contain an element `class` defining the 2. [extra][2] 属性必须包含一个元素 `class`,它定义了插件类的名称(包含命名空间)。如果一个包中含有多个插件,则可以使用数组来定义类名。
class name of the plugin (including namespace). If a package contains
multiple plugins this can be array of class names.
Additionally you must require the special package called `composer-plugin-api` Additionally you must require the special package called `composer-plugin-api`
to define which composer API versions your plugin is compatible with. The to define which composer API versions your plugin is compatible with. The