Shopping cart has two meanings: physical car, the reality of the supermarket shopping cart. Virtual car, the user can jump between the different pages of the shopping site to buy their favorite products, click on the purchase, the goods will automatically save to your shopping cart, repeat the purchase, the final will be selected all Goods on the shopping cart unified to the payment desk checkout, which is to try to allow customers to experience the feeling of real life shopping.
Shopping cart is a supermarket and other large-scale shopping malls, the customer for the temporary storage of selected goods, a trolley. Usually there are several layers, you can store different items, some can also carry children.
Online store said the shopping cart is the reality of the shopping cart, the buyer can be the same as in the supermarket shopping, free to add, delete the goods, after purchase, unified orders, online store shopping cart to be able to track Customers choose the goods, record the selected goods, but also to be updated at any time, you can pay to buy, give customers a great convenience.
The type of shopping cart
Ordinary shopping cart and shopping cart, shopping cart, shopping cart, shopping cart, shopping cart, flatbed shopping cart, plastic shopping cart.
Use of shopping cart
Use the online shopping cart to carry out the shopping process: find the goods, into the shopping cart, submit the order, view the order status, receipt confirmation.
Virtual shopping cart
Users can jump between the different pages of the shopping site to buy their favorite items, click on the purchase, the goods will automatically save to your shopping cart, repeat the purchase, the final will be selected all the goods on Shopping carts unified to the payment desk checkout, which is as much as possible so that customers experience the feeling of real life shopping. The server keeps track of each user's actions to ensure that each item has its owner at checkout.
The key to implementing a shopping cart is that the server identifies each user and maintains contact with them. But the HTTP protocol is a "stateless" protocol, so the server can not remember who is buying goods, when the goods into the shopping cart, the server does not know what the original shopping cart, so that users in different When the page jumps between the shopping cart can not "carry", which gave the realization of the shopping cart caused some difficulties.