1.将Composer版本升级到最新

composer self-update --preview

2.清除缓存

composer clearcache

3.全局使用阿里云Composer镜像

composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/

4.取消配置

composer config -g --unset repos.packagist

5.仅当前项目使用该镜像地址

composer config repo.packagist composer https://mirrors.aliyun.com/composer/

6.取消当前工程镜像配置

composer config --unset repos.packagist

7.输出详细的信息

composer -vvv require alibabacloud/sdk

8.执行诊断

composer diagnose

9.更新 composer.lock 文件

composer update --lock

10.安装依赖包

composer install

11.更新依赖包(可多个)

# 更新所有依赖包
composer update
# 更新指定的包
composer update monolog/monolog
# 更新指定的多个包
composer update monolog/monolog symfony/dependency-injection
# 还可以通过通配符匹配包
composer update monolog/monolog symfony/*

12.安装依赖包

composer require monolog/monolog
# 安装指定范围版本
composer require monolog/monolog ~1.2.3

13.移除依赖包(可多个)

composer remove monolog/monolog

14.搜索依赖包

# 输出包及其描述信息
composer search monolog
# 输出包及其描述信息
composer search --only-name monolog

15.列出当前项目使用的依赖包

# 列出所有已经安装的包
composer show
# 可以通过通配符进行筛选
composer show monolog/*
# 显示具体某个包的信息
composer show monolog/monolog

参考链接：https://www.runoob.com/w3cnote/composer-install-and-usage.html