
1个表 - 1个Xxx.java
对应私有private - 列名
get、set
tostring
package com.atguigu2.bean;import java.sql.Date;/** ORM编程思想 (object relational mapping)* 一个数据表对应一个java类* 表中的一条记录对应java类的一个对象* 表中的一个字段对应java类的一个属性**/public class Customer {private int id;private String name;private String email;private Date birth;public Customer() {super();}public Customer(int id, String name, String email, Date birth) {super();this.id = id;this.name = name;this.email = email;this.birth = birth;}public int getId() {return id;}public void setId(int id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.name = name;}public String getEmail() {return email;}public void setEmail(String email) {this.email = email;}public Date getBirth() {return birth;}public void setBirth(Date birth) {this.birth = birth;}@Overridepublic String toString() {return "Customer [id=" + id + ", name=" + name + ", email=" + email + ", birth=" + birth + "]";}}