1,login.html, login screen Requirements: 1) non-free validation. 2,show.html shows all product interfaces Requirements: 1) displays all page to specify content (product name, price, description). 2) click the "details" enter the details.html (product details screen). 3) click the "order" directly into the shopping cart. 3,details.html product details screen Requirements: 1), order prints, can be directly entered the details.HTML interface, and add items to your shopping cart. 4,shopCart.html displays all items in the cart and quantity Requirements: 1) order is generated. Go to checkOut.html fill in the order information. 2) continue shopping, return to the product page.