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Laravel在不同的环境调用不同的配置文件

Jun 20, 2016 pm 12:41 PM

转载请注明:转载自 Yuansir-web菜鸟 | LAMP学习笔记

本文链接地址: Laravel在不同的环境调用不同的配置文件

Laravel如何在不同的环境调用不同的配置文件?社区这个问题问的蛮多,如何优雅的方法实现呢,应该有好多方法吧,我一般习惯用两种方法,设置环境变量,或者将环境值写入到.env文件中去,不知道算不算优雅,有更优雅的方式欢迎告知。

1.设置环境变量,比如现在有本地开发和线上两个环境

本地配置php-fpm(比如用php-fpm而不是apache),比如环境变量为DEV_ENV,修改php-fpm.conf

env[DEV_ENV]=local
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然后设置本地系统的环境变量

echo "export DEV_ENV=local" >>  /etc/profilesource /etc/profile
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让Laravel引入相应的配置文件,添加下面代码到bootstrap/app.php 中

$environment = getenv('DEV_ENV') ? '.' . getenv('DEV_ENV') : '';$app->loadEnvironmentFrom('.env'.$environment);
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在laravel的项目中建立.env.local,其中的配置为本地开发环境的配置,.env 为线上环境,当然你也可以建立其他的的配置文件比如 .env.develop,.env.preview 等,根据实际情况添加配置文件和环境变量,在不同的环境下面会根据环境变量来调用不同的配置。这种方式的好处就是项目上线以后就不需要做设置,线上没有配置过DEV_ENV这个环境变量,所以上线项目会自动调用.env 中的配置

2.在.env中写入当前环境的名称,,比如现在有本地开发和线上两个环境

清空.env文件,只第一行写入当前运行的环境,比如 local

然后新建 .local.env 和 .production.env 分别写入本地和线上的配置项

将以下代码加入bootstrap/app.php 中

$env = $app->detectEnvironment(function () {    $environmentPath = __DIR__ . '/../.env';    $setEnv = trim(file_get_contents($environmentPath));    if(file_exists($environmentPath)) {        putenv("APP_ENV=$setEnv");        if(getenv('APP_ENV') && file_exists(__DIR__ . '/../.' . getenv('APP_ENV') . '.env')) {            Dotenv::load(__DIR__ . '/../', '.' . getenv('APP_ENV') . '.env');        }    }});
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这样就可以根据.env 文件写入的值来调用对应的配置文件了

如果有更优雅的方式欢迎指教。

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