遇到的问题 因为要把spark从es读出来的json数据转换为对象,开始想用case class定义类型,通过fastjson做转换.如下 case class Book (author: String, content: String, id: String, time: Long, title: String) val json = "{\"author\":\"hll\",\"content\":\"ES即etamspo…
1.需要用到的包 2.实例 实体类 people package com.shore.entity; /** * @author DSHORE/2019-4-19 * */ public class People { private int pid; private String pname; private int age; private String job; private double sal; public People() { } public People(int pid, St…