composer 命令详解

root@dduan:/home/dduan/test_composer# php composer.phar init

Do not run Composer as root/super user! See https://getcomposer.org/root for details


  Welcome to the Composer config generator


This command will guide you through creating your composer.json config.


# 1. 输入项目命名空间

# 注意

Package name (


# 2. 项目描述

Description []:这是一个测试项目


# 3. 输入作者信息,直接回车可能出现如下提示,有的系统可以直接回车,具体为什么?这里不详细介绍

 Invalid author string.  Must be in the format: John Smith

# 3.1. 注意必须要符合 John Smith

Author [, n to skip]: John Smith


# 4. 输入最低稳定版本,stable, RC, beta, alpha, dev

Minimum Stability []:dev


# 5. 输入项目类型

Package Type (e.g. library, project, metapackage, composer-plugin) []:library


# 6. 输入授权类型

License []:


Define your dependencies.


# 7. 输入依赖信息

Would you like to define your dependencies (require) interactively [yes]?


# 7.1. 如果需要依赖,则输入要安装的依赖

Search for a package:php


# 7.2. 输入版本号

Enter the version constraint to require (or leave blank to use the latest version): >=5.4.0


#  如需多个依赖,则重复以上两个步骤(7.1/7.2)

Search for a package:


# 8. 是否需要require-dev,

Would you like to define your dev dependencies (require-dev) interactively [yes]?



{

    "name": "dduan/test_compser",

    "description": "这是一个测试项目",

    "type": "library",

    "require": {

        "php": ">=5.4.0"

    },

    "authors": [

        {

            "name": "John Smith",

            "email": "john@example.com"

        }

    ],

    "minimum-stability": "dev"

}

# 9. 是否生成composer.json

Do you confirm generation [yes]?


# 现在安装依赖项吗

Would you like to install dependencies now [yes]?