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1、先贴上我的实体类，import java. util. Date;public class Order private int id;private int door_id;private String order_no;private String order_type;private int pnum;private String cashier;private Date order_time;private Date paytime;private String pay_type;private double price;正题来了：Timestamp转Date (数据库数据封装到实体类)
2、rs 是 ResultSet 类型Timestamp ts = rs. getTimestamp(7);Date date二new Date();date=ts;order. setOrder time(date);Date 转 Timestamp：S i mp1eDat eFormat sdf=new SimpleDateFormat(yyyy-MM-ddString order_time=sdf. format(order. getOrder_time();添加至数据库：psmt. setTimestamp(6, java. sql. Timestamp. ra7e0f(order_time)