1. When you click on a button, the background is actually a lot of steps, but the prototype can not be reflected in the time, we need to do as much as possible in the prototype of these interactions.
Like 1:
Click the Add button to add a message, and then save the message to display it.
In fact, the processing of the background is: polling the various conditions, such as the Supplier name, vehicle type, order type, model and other conditions, such as all the conditions are the same, then automatically overwrite the previous message, display the latest information, the previous message is automatically deleted in the background.
Therefore, the prototype can be done, after saving successfully, give a message: automatically overwrite the same condition information.
Like 2:
One line includes the origin and destination, the point-to-point fixed line. The choice of my destination will vary according to the choice of the departure point, which is the work that needs to be done in the background and can only be labeled interactively.
The prototype of the back-end management system for vehicle