import java.sql.Connection;
import java.sql.Date;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class ConnectMySQL {

	/**
	 * @param args
	 * @throws ClassNotFoundException 
	 */
	public static void main(String[] args) throws ClassNotFoundException {
		//JDBC的一些配置
		String URL = "jdbc:mysql://localhost:3306/test";
		String driverName = "com.mysql.jdbc.Driver";
		String sql = "select * from students";
		String userName = "root";//root
		String password = "123456";//123456
		Connection conn = null;
		
		Class.forName(driverName);//jdbc4.0 后无需使用这句进行驱动注册操作
		
		
		try {
			conn = DriverManager.getConnection(URL,userName,password);
			Statement statement = conn.createStatement();
			ResultSet resultSet = statement.executeQuery(sql);
			// id | stuno | name | gender | birthdate | major
			while(resultSet.next()){
				int id = resultSet.getInt("id");
				String stuno = resultSet.getString("stuno");
				Date date = resultSet.getDate("birthdate");
				System.out.print("id="+id+" stuno="+stuno+" birthdate="+date);
			}
			
		} catch (SQLException e) {
			e.printStackTrace();
		}finally{
			if(conn!=null)
				try {
					conn.close();
				} catch (SQLException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}//可以使用Try..with..resources语法简化
			conn = null;
		}
	}
}