获取数据库连接

1.加载配置文件

Properties pro = new Properties();
InputStream is = ClassLoader.class.getSystemClassLoader().getResourceAsStream("driver.properties");
pro.load(is);

2.读取配置文件信息

String user = pro.getProperty("user");
String url = pro.getProperty("url");
String password = pro.getProperty("password");
String driverClass = pro.getProperty("driverClass");

3.加载驱动

Class.forName(driverClass);

4.获取连接

Connection conn = DriverManager.getConnection(url,user,password);

配置文件信息：
user=root
password=519113715
url=jdbc:mysql://localhost:3306/test
driverClass=com.mysql.jdbc.Driver

来源：CSDN

作者：风影。

链接：https://blog.csdn.net/qq_45043948/article/details/104219720