//映射数据库中是一张表
public class Users {
	//属性，对应的是表中的一个个字段
	private int userId=0;
	private String userName=null;
	private String userPsw=null;
	private int userAge=0;
	private String userPhone=null;
	
	//属性的getter和setter方法
	public int getUserId() {
		return userId;
	}
	public void setUserId(int userId) {
		this.userId = userId;
	}
	public String getUserName() {
		return userName;
	}
	public void setUserName(String userName) {
		this.userName = userName;
	}
	public String getUserPsw() {
		return userPsw;
	}
	public void setUserPsw(String userPsw) {
		this.userPsw = userPsw;
	}
	public int getUserAge() {
		return userAge;
	}
	public void setUserAge(int userAge) {
		this.userAge = userAge;
	}
	public String getUserPhone() {
		return userPhone;
	}
	public void setUserPhone(String userPhone) {
		this.userPhone = userPhone;
	}
	
	//改写toString()方法
	public String toString(){
		String str ="用户ID号：" + this.userId +
		            "姓名：" + this.userName +
		            "密码：" + this.userPsw + 
		            "年龄：" + this.userAge + 
		            "联系电话：" + this.userPhone;
		return str;
	}
}