Shopping mall 6.27 to be completed

Function reverses the back end

• Shopping cart view

  • Return to one List< merchants >
  • View 1: One more List< All fields of product details , Plus businesses ID, Commodity images , Commodity Description , item pricing , Whether freight insurance is covered >
    • Goods details – goods Connect
    • Return to two List Array of Json Format splicing

• Order view

  • Completed : User address view
  • A temporary table ( Logically ): Basic table of merchants , Plus the total order price , Preferential threshold line , Preferential amount ( Freight insurance does not participate in discount calculation )
    • The backend implementation
      • For the same business , Calculate the total price of the product details , Then take ( merchants ID, The total price ) Go to the discount table and find ( Preferential threshold line , Preferential amount )—>DAO in sql,where The total price >= threshold and merchants ID = #{ merchants ID}, order by threshold desc, limit 1
      • And then you get this Bean class
  • Order view 1: Same as the view in the shopping cart 1, Different from shopping cart view
  • Return to two List Array of Json Format splicing

• Goods details

  • Delete the field discount ,wwds Remember to delete
  • Freight insurance : If the merchant covers freight insurance , Show 0( The radio box in the lower right corner of the order , Select by default , And cannot be modified )
  • goods Of insurance It's a single item ,goodsItem Is the sum ( The number * Single commodity freight insurance )

• Order

  • Freight insurance : If checked , Represents the total freight of the unified merchant's commodity details , If you don't check it, you will think 0
  • Initial total price : Sum of total price of commodity details
  • discount : You need to check the discount form
  • Final total price = Initial total price + Freight insurance - discount
  • Order generation time : Click Finish Confirm order Time of time
  • Order payment time : Time when payment is completed
  • When generating an order , Send the order details of the goods ID Fill up –> So it needs to be modified DAO layer , Insert into the order table , Order ID Also needed , At the same time, we need to add a new method getMaxId, Then we generate this order ID Namely getMaxId + 1
  • After successful payment , Update merchandise inventory

• All goods

  • Jump to the business homepage

• Business homepage

  • Just change the interface of all products ,wwdsyyds

• merchants

  • Modify the goods
    • First getById
    • Update product list
    • In the commodity details table , Order ID Empty , Need to modify its freight insurance / The total price
    • Upload picture file ,wwds To write
  • Insert product
    • Upload picture file
    • Insert item table
  • Delete item
    • Change the price in the product to 0
    • DAO layer ,sql Sentence addition : Synchronously delete... In favorites / Order ID Empty product details ( trigger , Delete the... In the shopping cart )
    • The front-end implementation : The price for 0 Don't show when , It's off the shelf
  • Modify preferential policies
  • Virtual shipping
    • The user has paid the order , Confirm delivery
    • Information to be displayed in the order list
      • View : merchants ID- Order ID( Goods details ID–> Get the order ID, merchants ID, The two are related )
  • Cancellation
    • ( Business homepage )
    • A state of business flag, Indicates whether to log off , The home page of the business can be displayed accordingly

• user

  • Check order status

    • Historical orders

    • Orders in transit

  • favorites
    • View : There are already views ViewShowGoods( Regardless of business ), Trigger deletes all items ( It's not really deleting )
  • Order details
    • Take order generation to change

• Order details