Demand background, see figure:


If still have what not understand, I added, is there who see what good method,
If the cycle time, generate 1 table, processed to generate loading list (I consider decide whether meet the vehicle loading weight and loading area) so as to fully meet the requirements of loading,
Until all data records, all processed, to produce the final [loading list],

I consider so, back-end at least finish first, split between the form of data, each table to generate data table, get to the front end, vehicle matching, generate the loading list, general conception is like this

CodePudding user response:

Then find out all the client list in the data, then remove all orders, each customer's front desk traverse customer order car,
Actually suggested calculation method are put together, or are at the front desk, or are the background, otherwise the late maintenance too troublesome,

Do with the database can also actually, it is more troublesome,