src/org/bs/dao/impl/UserDaoImpl.java

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package org.bs.dao.impl;

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

import org.bs.dao.ChannelDao;
import org.bs.dao.DeptDao;
import org.bs.dao.UserDao;
import org.bs.model.Dept;
import org.bs.model.User;
import org.bs.utils.ConnContext;
import org.bs.utils.DB;
import org.bs.utils.PageContext;

import com.sun.org.apache.commons.digester.rss.Channel;



public class UserDaoImpl extends BaseDao implements UserDao{
	private DeptDao deptDao = new DeptDaoImpl();
	private ChannelDao channelDao = new ChannelDaoImpl();
	
	public User login(String username,String password){
		User user = getUserByUsername(username);
		if (user == null){
			throw new RuntimeException("用户名不存在");
		}else{
			if (!password.equals(user.getPassword())){
				throw new RuntimeException("密码错误");
			}
		}
		return user;
	}
	public User getUserById(int id){
		Connection conn = DB.getConn();
		String sql = "select * from t_user where id = ?";
		User user = null;
		PreparedStatement pstmt = null;
		ResultSet rs = null;
		try {
		    pstmt = conn.prepareStatement(sql);
			pstmt.setInt(1, id);
			rs = pstmt.executeQuery();
			while(rs.next()){
				user = new User();
				user.setId(rs.getInt("id"));
				user.setUsername(rs.getString("username"));
				user.setPassword(rs.getString("password"));
				user.setName(rs.getString("name"));
				user.setSex(rs.getString("sex"));
				user.setAddress(rs.getString("address"));
				user.setAge(rs.getInt("age"));
				user.setTel(rs.getString("tel"));
				user.setDept(rs.getString("dept"));
			}
		} catch (SQLException e) {