app_path()

app_path函數(shù)返回app目錄的絕對路徑：

$path = app_path();

你還可以使用app_path函數(shù)為相對于app目錄的給定文件生成絕對路徑：

$path = app_path('Http/Controllers/Controller.php');

base_path()

base_path函數(shù)返回項目根目錄的絕對路徑：

$path = base_path();

你還可以使用base_path函數(shù)為相對于應(yīng)用目錄的給定文件生成絕對路徑：

$path = base_path('vendor/bin');

config_path()

config_path函數(shù)返回應(yīng)用配置目錄的絕對路徑：

$path = config_path();

database_path()

database_path函數(shù)返回應(yīng)用數(shù)據(jù)庫目錄的絕對路徑：

$path = database_path();

public_path()

public_path函數(shù)返回public目錄的絕對路徑：

$path = public_path();

storage_path()

storage_path函數(shù)返回storage目錄的絕對路徑：

$path = storage_path();

還可以使用storage_path函數(shù)生成相對于storage目錄的給定文件的絕對路徑：

$path = storage_path('app/file.txt');