laravel-php How to create a class in the vendor directory by yourself to achieve automatic loading

Question

Answer 1

Add: Cart.php的头部声明namespace Mypack;
然后在composer.json文件的autoload/psr-4 inside the

node

"Mypack\":"vendor/mypack"

In addition: It is not recommended to place customized class files in the vendor directory. You can create a directory with other names such as the same level library yourself.