GORM向BookAuthor 连接表添加 book_id和 author_id，而不是向Book或Author 表添加一个外键。

Rather than adding a foreign key to either the Book or Author table, GORM adds book_id and author_id to the BookAuthor join table.

youdao

GORM向BookAuthor 连接表添加 book_id和 author_id，而不是向Book或Author 表添加一个外键。

Rather than adding a foreign key to either the Book or Author table, GORM adds book_id and author_id to the BookAuthor join table.

youdao