MetaObjectHandler使用笔记

自定义MetaObjectHandler

public class MyMetaObjectHandler implements MetaObjectHandler {

    @Override
    public void insertFill(MetaObject metaObject) {
    	User user = UserContext.getCurrentUser() ;
        this.setInsertFieldValByName("createdBy", user.getName(), metaObject);
        this.setInsertFieldValByName("createdDate", LocalDateTime.now(), metaObject);
        this.setInsertFieldValByName("lastModifiedBy", user.getName(), metaObject);
        this.setInsertFieldValByName("lastModifiedDate", LocalDateTime.now(), metaObject);
    }

    @Override
    public void updateFill(MetaObject metaObject) {
    	User user = UserContext.getCurrentUser() ;
        this.setUpdateFieldValByName("lastModifiedBy", user.getName(), metaObject);
        this.setUpdateFieldValByName("lastModifiedDate", LocalDateTime.now(), metaObject);
    }
}

配置MetaObjectHandler

@Configuration
public class DatabaseConfiguration {
    @Bean
    public MetaObjectHandler metaObjectHandler() {
        return new MyMetaObjectHandler();
    }
}

实体类编写

@Data
public class BaseEntity {
    @TableField(fill = FieldFill.INSERT)
    private String createdBy;
    @TableField(fill = FieldFill.INSERT)
    private LocalDateTime createdDate;
    @TableField(fill = FieldFill.UPDATE)
    private String lastModifiedBy;
    @TableField(fill = FieldFill.UPDATE)
    private LocalDateTime lastModifiedDate;
}