#青训营 x 字节后端训练营# DAY01
今天学习了jdbc的五种连接方式。对mysql数据库表增删改查。以下是一些记录:
public void testConnection5() throws Exception {
//1.加载配置文件
InputStream is = ConnectionTest.class.getClassLoader().getResourceAsStream("jdbc.properties");
Properties pros = new Properties();
pros.load(is);
//2.读取配置信息
String user = pros.getProperty("user");
String password = pros.getProperty("password");
String url = pros.getProperty("url");
String driverClass = pros.getProperty("driverClass");
//3.加载驱动
Class.forName(driverClass);
//4.获取连接
Connection conn = DriverManager.getConnection(url,user,password);
System.out.println(conn);
}