1.首先,我们先创建一个数据库,并且添加好数据


2.创建一个Bean包写Uesr
package org.jun.bean;
public class User {
private Integer Id;
private String UserName;
private String Pwd;
private String Sex;
private Integer Age;
@Override
public String toString() {
return "User [Age=" + Age + ", Id=" + Id + ", Pwd=" + Pwd + ", Sex="
+ Sex + ", UserName=" + UserName + "]";
}
public User() {
super();
}
public User(Integer id, String userName, String pwd, String sex, Integer age) {
super();
Id = id;
UserName = userName;
Pwd = pwd;
Sex = sex;
Age = age;
}
pu