PHP 的一个依赖管理工具Composer
1:下载
curl -sS https://getcomposer.org/installer | php
或者
php -r "readfile('https://getcomposer.org/installer');" | php
2:移动到bin目录下,以后每次使用直接使用composer命令
mv composer.phar /usr/local/bin/composer
查看版本
composer -V
3.composer.json 在项目中安装monolog
composer.json文件内容如下
{ "require": { "monolog/monolog": "1.0.*" }}
使用composer install 安装,在当前目录下回创建vendor/monolog/monolog 目录
Composer 生成了一个 vendor/autoload.php 文件。你可以简单的引入这个文件,你会得到一个免费的自动加载支持。
这使得你可以很容易的使用第三方代码。项目依赖 monolog,你就可以像这样开始使用这个类库,并且他们将被自动加载。
$log = new Monolog\Logger('name');$log->pushHandler(new Monolog\Handler\StreamHandler('app.log', Monolog\Logger::WARNING));$log->addWarning('Foo');
4:下载thinkphp框架并安装monolog
composer create-project topthink/thinkphp myProjectNamecd myProjectNamevim composer.json
找到require
修改为:
"require": { "php": ">=5.3.0", "monolog/monolog": "1.0.*" }, 找到http://packagist.phpcomposer.com改为https://packagist.phpcomposer.com
保存退出
composer install
当前目录会
在当前目录下回创建vendor/monolog/monolog 目录
可在框架入口文件中引入 vendor/autoload.php
就可在框架中使用了
5.获取依赖的最新版本
composer update
如果你只是想更新几个包
composer update vendor/package vendor/package2
用通配符进行批量更新
composer update vendor/*

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