doctrine安装配置

测试使用pear安装，官方建议使用Composer安装

1. 添加doctrine初始化通道

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pear channel-discover pear.symfony.com //这个是doctrine所依赖的   pear channel-discover pear.doctrine-project.org

2. 安装doctrine核心包

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//DoctrineCommon是其他核心包的依赖 pear install pear.doctrine-project.org/DoctrineCommon-2.2.3   pear install pear.doctrine-project.org/DoctrineORM-2.2.3 //此时会安装一下4个包 //install ok: channel://pear.symfony.com/Console-2.1.0 //install ok: channel://pear.symfony.com/Yaml-2.1.0 //install ok: channel://pear.doctrine-project.org/DoctrineDBAL-2.2.2 //install ok: channel://pear.doctrine-project.org/DoctrineORM-2.2.3

3. 此时在php的lib目录下会增加Doctrine/和Symfony/，由于在使用doctrine中需要使用Symfony/,所以将Symfony/移动至Doctrine/下