Question

spring data mongodb怎么实现引用关系

Answer 1

Student（学生实体）
@Document(collection="student")
public class Student {
@Id
private String studentId;
@Indexed(unique=true)
private String studentName;
private int age;
@DBRef
private List<Course> courses;

//setter,getter方法略
}
Course课程实体
@Document(collection="course")
public class Course {
@Id
private String courseId;
@Indexed(unique=true)
private String courseName;
//setter,getter