yii2系统定义的常用路径别名

'@yii' =>
    '@yii/swiftmailer' => string 'C:\wamp\www\advanced\vendor/yiisoft/yii2-swiftmailer' (length=52)
    '@yii/gii' => string 'C:\wamp\www\advanced\vendor/yiisoft/yii2-gii' (length=44)
    '@yii/faker' => string 'C:\wamp\www\advanced\vendor/yiisoft/yii2-faker' (length=46)
    '@yii/debug' => string 'C:\wamp\www\advanced\vendor/yiisoft/yii2-debug' (length=46)
    '@yii/codeception' => string 'C:\wamp\www\advanced\vendor/yiisoft/yii2-codeception' (length=52)
    '@yii/bootstrap' => string 'C:\wamp\www\advanced\vendor/yiisoft/yii2-bootstrap' (length=50)
    '@yii' => string 'C:\wamp\www\advanced\vendor\yiisoft\yii2' (length=40)

'@app' => string 'C:\wamp\www\advanced\frontend' (length=29)
'@vendor' => string 'C:\wamp\www\advanced/vendor' (length=27)
'@bower' => string 'C:\wamp\www\advanced/vendor\bower' (length=33)
'@npm' => string 'C:\wamp\www\advanced/vendor\npm' (length=31)
'@runtime' => string 'C:\wamp\www\advanced\frontend\runtime' (length=37)
'@webroot' => string 'C:/wamp/www/advanced/frontend/web' (length=33)
'@web' => string '/advanced/frontend/web' (length=22)