login.java

java连接数据库的一个实例

/*
 * Created on Mar 20, 2005
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package com.test.login;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

import com.test.jdbc.UsersDAO;

/**
 * @author jackie
 * 
 * TODO To change the template for this generated type comment go to Window -
 * Preferences - Java - Code Style - Code Templates
 */
public class Login {

	public static void main(String[] args) {
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));

		try {
			System.out.println("Please input your userName:");
			String userName = in.readLine();

			System.out.println("Please input your password:");
			String password = in.readLine();

			UsersDAO userDao = new UsersDAO();
			if (userDao.checkUser(userName, password)) {
				System.out.println("Login successful!");
			} else {
				System.out.println("Login failed!");
			}

		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
}