user.java

来自「本书由浅入深、循序渐进地介绍了MVC的体系结构和如何构建一个基于MVC的Web框」· Java 代码 · 共 56 行

package com.gc.action;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;

import com.gd.jdbc.impl.GdDbCommon;

public class User extends GdDbCommon {
	private Connection conn;
	/**
	 * 构造函数
	 */
	public User(Connection conn) {
		super(conn);
	}
	
	public User() {
	}
	
	//定义变量
	private String username = "";
	private String password = "";
	public void setUsername(String username) {
		this.username = username;
	}
	public String getUsername() {
		return this.username;
	}
	public void setPassword(String password) {
		this.password = password;
	}
	public String getPassword() {
		return this.password;
	}
	public String validate() {
		String msg = "";
		if (this.password.length() < 3) {
			msg = "密码长度不能小于3";
		}
		return msg;
	}
	//重载getObjFromRs方法
	protected User getObjFromRs(ResultSet rs) throws SQLException  {
		User user = new User();
		user.setUsername(rs.getString("username"));
		user.setPassword(rs.getString("password"));
		return user;
	}
	//用来获取存储User对象的List
	public List getUser(String sql) throws Exception{
		return this.queryAllObj(sql, 0);
	}
}