Custom form-simple and general selection (comprehension)

When it comes to general choice, it may be familiar with platform development. Choosing a single person and multiple types of choice is a feature that is frequently used in system development, it is indeed necessary to extract it into configurable general functions. Let's talk about the features of the general choice here.
You must select one or more options for the selected method.
The selected data processing method should be automatically saved or data is returned.
A very practical function provides a selection of post-function interfaces and some parameters for special business processing after selection.
For general choices that need to be saved, they generally exist in the form of sub-tables, such as categories and personnel, usually in the form of sub-lists. By configuring table and field information, as well as foreign keys and option fields, the system dynamically concatenates SQL statements based on these fields for unified rule processing.
Common options must support the options to be selected and available to view the current options.
This article is here first and will be explained in detail later.