init(初始化)
該命令用於創建 composer.json 文件,並進行基礎信息配置:
$ composer init
可以配置Package name、Description、Author、Minimum、Package Type、License、dependencies 及 dev dependencies 信息。
完成后配置文件內容如下:
{
"name": "test/test",
"description": "test init",
"type": "library",
"license": "License Description",
"authors": [
{
"name": "mayanlong",
"email": "json_vip@163.com"
}
],
"require": {}
}
search(搜索)
根據名稱搜索相關的包,成功后會列出符合的相關包的信息,本處以搜索 monolog 為例:
$ composer search monolog
monolog/monolog Sends your logs to files, sockets, inboxes, databases and various web services
kdyby/monolog Integration of Monolog into Nette Framework
show(詳情)
根據包的名稱,列出包的相關信息,本處以查看 monolog/monolog 為例:
$ composer show -all monolog/monolog
name : monolog/monolog
descrip. : Sends your logs to files, sockets, inboxes, databases and various web services
keywords : log, logging, psr-3
versions : dev-master, 2.0.x-dev, 1.x-dev, 1.21.0, 1.20.0, 1.19.0, 1.18.2, 1.18.1, 1.18.0, 1.17.2, 1.17.1, 1.17.0, 1.16.0, 1.15.0, 1.14.0, 1.13.1, 1.13.0, 1.12.0, 1.11.0, 1.10.0, 1.9.1, 1.9.0, 1.8.0, 1.7.0, 1.6.0, 1.5.0, 1.4.1, 1.4.0, 1.3.1, 1.3.0, 1.2.1, 1.2.0, 1.1.0, 1.0.2, 1.0.1, 1.0.0, 1.0.0-RC1
想查看更多信息,就親自將該命令復制到命令行執行吧。
install (安裝)
我們先在 composer.json 配置中添加一個 monolog/monolog 依賴庫,如下:
{
"name": "test/test",
"description": "test init",
"type": "library",
"license": "License Description",
"authors": [
{
"name": "mayanlong",
"email": "json_vip@163.com"
}
],
"require": {
"monolog/monolog": "1.21.*",
}
}
然后通過如下命令進行安裝依賴
$ composer install
update (更新)
如果我們新增或者刪除了某個依賴,可以通過如下命令進行更新
$ composer update
require (申明依賴)
我們也可以用命令直接添加依賴,執行該命令后將自動下載,命令如下:
$ composer require symfony/http-foundation
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