git-test1/UserDao

package dao;

import model.User;
import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.dbutils.handlers.BeanHandler;
import org.apache.commons.dbutils.handlers.BeanListHandler;
import org.apache.commons.dbutils.handlers.ScalarHandler;

import java.sql.SQLException;
import java.util.List;
import utils.DataSourceUtils;
public class UserDao {
    public void addUser(User user) throws SQLException {
        QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource());
        String sql = "insert into user(username,email,password,name,phone,address,isadmin,isvalidate) values(?,?,?,?,?,?,?,?)";
        r.update(sql,user.getUsername(),user.getEmail(),user.getPassword(),user.getName(),user.getPhone(),user.getAddress(),user.isIsadmin(),user.isIsvalidate());
    }
    public boolean isUsernameExist(String username) throws SQLException {
        QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource());
        String sql = "select * from user where username = ?";
        User u = r.query(sql, new BeanHandler<User>(User.class),username);
        if(u==null) {
            return false;
        }else {
            return true;
        }
    }
    public boolean isEmailExist(String email) throws SQLException {
        QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource());
        String sql = "select * from user where email = ?";
        User u = r.query(sql, new BeanHandler<User>(User.class),email);
        if(u==null) {
            return false;
        }else {
            return true;
        }
    }
    public User selectByUsernamePassword(String username,String password) throws SQLException {
        QueryRunner r = new QueryRunner(DataSourceUtils.getDataSource());
        String sql = "select * from user where username=? and password=?";
        return r.query(sql, new BeanHandler<User>(User.class),username,password);
    }
    public User selectByEmailPassword(String email,String password) throws SQLException {
        QueryRunner r = new QueryRunner(DataSourceUtils.getDataSourc