Notes on the associated Model in ThinkPHP _ php instance

This article mainly introduces ThinkPHP Connection Models for beginners. If you need a friend, refer to ThinkPHP when you are a beginner. The connection model in ThinkPHP is prone to errors. The following is an example:
Required tables: id_elite_major and id_elite_student
The Code is as follows:

The Code is as follows:

Class EliteMajorModel extends RelationModel {
Protected $ _ link = array (
'Elitestudent '=> array (
'Ing ing _ type' => HAS_MANY, // easy to troubleshoot: In HAS_MANY, '''is easy to write as 'has _ upload', which causes an error.
'Class _ name' => 'elitestudent ',
'Foreign _ key' => 'mid ',
'Ing ing _ name' => 'studentslist ',
),
);
}