**前端提交** ```json { "foo": { "id": 1, }, "bars": [ { "id": 1 }, { "id": 2 }, { "id": 3 } ... ] ... } } ``` **后端Model** ```java ... @DbBind(...) @ManyToOne public Foo foo @DbBind(...) @OneToMany public Collection<Bar> bars ... ``` **根据前端http提交的内容从数据库获取完整的foo和bars Model**
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