Git Product home page Git Product logo

Comments (4)

overtrue avatar overtrue commented on June 10, 2024

请学会使用 Laravel Facade,以及仔细看文档哦:https://github.com/overtrue/laravel-shopping-cart#installation

from laravel-shopping-cart.

moore0903 avatar moore0903 commented on June 10, 2024

谢谢,又学到了一些,但是还是有个地方不明白,如果我在控制器中直接使用Cart::add(),这个时候导入的命名空间是use Overtrue\LaravelShoppingCart\Cart; 这个,这个如果用静态方式调用的话会出现错误.除非我不导入命名空间,直接使用\Cart:add()就没有问题.
在app.php 中
image也加了.

from laravel-shopping-cart.

overtrue avatar overtrue commented on June 10, 2024

额,我都建议你去学一下命名空间了,这里一共有两个类:

use Overtrue\LaravelShoppingCart\Cart;
use Overtrue\LaravelShoppingCart\Facade;

上一个是最后业务使用的类,并非静态,后者 Overtrue\LaravelShoppingCart\Facade 是上一个 Overtrue\LaravelShoppingCart\Cart 类的外观类,静态代理,而在 Laravel 配置 config/app.php 里配置 aliases

'Cart' => Overtrue\LaravelShoppingCart\Facade::class,

这行的作用是在根命名空间 \ 下创建了别名类 \Cart 指向 \Overtrue\LaravelShoppingCart\Facade, 所以使用 use Cart 或者 \Cart 都是使用 \Overtrue\LaravelShoppingCart\Facade

请分清楚这里的 \Cart\Overtrue\LaravelShoppingCart\Cart 的区别,它俩完全是两个不同的东西,一个是根空间下的 Cart,另一个是 根空间 下的 Overtrue\LaravelShoppingCart\Cart , 所以并没有 "除非我不导入命名空间" 这样的说法存在。

类别名:http://php.net/manual/en/function.class-alias.php
命名空间:http://php.net/manual/zh/language.namespaces.php

from laravel-shopping-cart.

moore0903 avatar moore0903 commented on June 10, 2024

哦哦,好的,谢谢啊,基础较差,感谢你的耐心讲解

from laravel-shopping-cart.

Related Issues (14)

Recommend Projects

  • React photo React

    A declarative, efficient, and flexible JavaScript library for building user interfaces.

  • Vue.js photo Vue.js

    🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.

  • Typescript photo Typescript

    TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

  • TensorFlow photo TensorFlow

    An Open Source Machine Learning Framework for Everyone

  • Django photo Django

    The Web framework for perfectionists with deadlines.

  • D3 photo D3

    Bring data to life with SVG, Canvas and HTML. 📊📈🎉

Recommend Topics

  • javascript

    JavaScript (JS) is a lightweight interpreted programming language with first-class functions.

  • web

    Some thing interesting about web. New door for the world.

  • server

    A server is a program made to process requests and deliver data to clients.

  • Machine learning

    Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.

  • Game

    Some thing interesting about game, make everyone happy.

Recommend Org

  • Facebook photo Facebook

    We are working to build community through open source technology. NB: members must have two-factor auth.

  • Microsoft photo Microsoft

    Open source projects and samples from Microsoft.

  • Google photo Google

    Google ❤️ Open Source for everyone.

  • D3 photo D3

    Data-Driven Documents codes.