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Tp6 multi table Association (table a is associated with table B, table B is associated with table C, and table d)

2022-06-26 04:18:00 【Summer solstice and spring - Meimei】

A surface （ Set up field Field time ,B The associated fields must be added to the fields in the table , Otherwise, the printed content will be null,C,D The fields of the table can be the fields you need , But there must be id, That is to say, with B The fields associated with the table ） The pit I went through , I hope I can help you Insert picture description here
B surface

C surface
D surface