composer安装

.txt

=========================================局部安装==============================================
//下载composer.phar
wget https://getcomposer.org/download/1.6.4/composer.phar

//检查是否下载成功
php composer.phar

=========================================全局安装==============================================
//请不要使用root身份运行composer命令

mv composer.phar /usr/local/bin/composer

//添加执行权限
chmod o+x /usr/local/bin/composer

//查看镜像地址,repositories.packagist.org.ur
composer config -gl repo.packagist

//"psr-4注册一个自定义命名空间
composer dump-autoload

//启用本镜像服务,有系统全局配置和单个项目配置区分
//单个项目配置：在新建文件夹中创建composer.json，里面填上{} 格式.
composer config repo.packagist composer https://packagist.phpcomposer.com


//composer.json变化如下，但全局地址不会发生改变
{
    "repositories": {
        "packagist": {
            "type": "composer",
            "url": "https://packagist.phpcomposer.com"
        }
    }
}

//全局配置
composer config -g repo.packagist composer https://packagist.phpcomposer.com
composer config -g repo.packagist composer https://packagist.laravel-china.org/
https://repo.huaweicloud.com/repository/php/

//项目初始化
composer init

//定义项目名字
Package name (<vendor>/<name>) [jingmian/test]:imos/laravel

//描述是什么
Description []: test composer

//作者是谁
Author [jingmian <153555712@qq.com>, n to skip]: 

//这个可以忽略
Minimum Stability []: 

//选择一个库
Package Type (e.g. library, project, metapackage, composer-plugin) []: library

//声明，可以为空
License []: 

//声明依赖可以先不写
Would you like to define your dependencies (require) interactively [yes]? 
Search for a package: 

//开发版本的声明依赖也可以先不写
Would you like to define your dev dependencies (require-dev) interactively [yes]? 
Search for a package: 

//查找镜像
composer search monolog

//查询某个库的具体详情信息
composer show -all monolog/monolog
name     : monolog/monolog   //名字是什么
descrip. : Sends your logs to files, sockets, inboxes, databases and various web services   //描述
keywords : log, logging, psr-3  //关键字
versions : dev-master, 2.0.x-dev, 1.x-dev, 1.23.0, 1.22.1, 1.22.0, 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   //版本
type     : library.......
................


//安装monolog库,编辑composer.json。格式"名字":"版本"
"require": {
          "monolog/monolog":"1.23.*"
}

//执行
composer install 

//删除组件
composer remove chensuilong/toastr

//使用require在原来基础上添加新的库
composer require symfony/http-foundation

//使用update更新库或者删除不需要的库，
//判断composer.json里面的require参数，有则加上，没有则删除
composer update

//通过 Composer Create-Project 命令来安装 Laravel 应用
composer create-project --prefer-dist laravel/laravel blog

//指定版本安装
composer create-project --prefer-dist laravel/laravel blog "5.4.*"

//******************第二种方法安装Laravel
//首先安装laravel安装器
composer global require "laravel/installer"

//添加环境变量
vim ~/.bash_profile
export PATH=~/.composer/vendor/bin:$PATH  或者:   export PATH=$PATH:~/.composer/vendor/bin
laravel new blog

==========================================================================

//查看artisan信息
php artisan list

//查看帮助迁移信息
php artisan help migrate

//创建一个类
php artisan make:controller StudentControll

//创建一个模型
php artisan make:Model Student

//创建一个中间件
php artisan make:middleware Activity

//创建一个用户认证
php artisan make:auth