jdbcutil.java

老师给的在线航班系统

package com.toa.abs.dao;

import java.io.FileInputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.Properties;

public class JDBCUtil {
	public static Connection getConnection(String file){
		Properties pro=new Properties();
		Connection conn=null;
		try {
			pro.load(new FileInputStream(file));
			Class.forName(pro.getProperty("DriverClass"));
			conn=DriverManager.getConnection(
					pro.getProperty("URL"),
					pro.getProperty("UserName"),
					pro.getProperty("Password")
					);
			return conn;
		}catch (Exception e) {
			e.printStackTrace();
		}
		return null;
	}
}