摘要：@Data public class Blog { private String id; private String title; private String author; private Date createTime; private int views; } public interfa 阅读全文

摘要：一对多 @Data @NoArgsConstructor @AllArgsConstructor public class Student { private int id; private String name; private Teacher teacher; } public interfa 阅读全文

摘要：dependencies <dependencies> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.47</version> </dependency 阅读全文