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Course Introduction：Use the session to store the visitor shopping cart, and the database stores the logged-in user shopping cart for persistence; 2. Create a cart table to store user shopping cart data; 3. Create a CartService service class to encapsulate the addition, deletion, modification and search logic; 4. Create a CartController controller to handle shopping cart operations; 5. Define routes in web.php; 6. Create a Blade template to display the cart content; 7. Merge the session shopping cart to the database when the user logs in. This solution implements a hybrid shopping cart system that supports visitors and certified users, and is durable, scalable and meets practical application needs.

2025-07-29 comment 0  768

Course Introduction：This article introduces Redux, a JavaScript framework for managing application state, using a simplified shopping cart example. It emphasizes the importance of immutability in JavaScript and demonstrates how to avoid unexpected bugs when working wit

2025-02-16 comment 0  481

Course Introduction：I've just finished creating a front end shopping cart web app using HTML, CSS & vanilla JavaScript. Because I love buying veg at my local grocers', I based it on a the idea of a farm shop called Finley's Farm Shop. To click around on the projec

2024-12-18 comment 0  771

Course Introduction：When the picture does not need to be described, there are three main situations: First, the picture is only decorative elements, such as background patterns or icons with no practical significance, and it will not affect information transmission after deletion; Second, the picture content has been clearly described in adjacent text to avoid repeated interference with screen reader users; Third, the picture is used as part of a button or link, and there are texts next to it to illustrate its function, such as a magnifying glass icon or shopping cart icon next to the search box. The rational use of the alt attribute can improve the accessibility and SEO effect of web pages. The key is to judge whether the picture has substantial significance.

2025-06-29 comment 0  634

Course Introduction：ServiceWorker is a JavaScript script running in a browser's independent thread. It acts as a proxy layer between the web page and the network, and can intercept and process network requests. It solves the problem of access failure and repeated requests wasted bandwidth due to network instability in traditional web pages. Through the cache policy, offline access is achieved, secondary loading speed is accelerated, and functions such as push notifications and background synchronization are supported. When using it, you must first register ServiceWorker, then write a script to listen for installation and request events, cache resources, and respond to requests from cache first. Common scenarios include mobile optimization, news pre-cache, and e-commerce shopping cart experience improvement.

2025-06-28 comment 0  623

Course Advanced  8735

Course Introduction：The main purpose of "JavaScript Implementing Shopping Cart" is to make a simple shopping cart so that everyone can understand the principle of the shopping cart during the production process.

Course Advanced  14972

Course Introduction："Javascript Developing Shopping Cart Tutorial" will introduce how I implement the product shopping cart function. Whenever we purchase products on a certain website, which product we like, we will add it to the shopping cart and finally settle the bill. . The shopping cart function

Course Elementary  13819

Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.

Course Elementary  82353

Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).

Course Elementary  13173

Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.