java:mysql连接代码
/*database.properties*/
jdbc.drivers=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://127.0.0.1:3306/corejava
jdbc.username=root
jdbc.password=159753
/*mysql连接代码*/
public static Connection getConnection() throws SQLException, IOException
{
Properties props = new Properties();
FileInputStream in = new FileInputStream("database.properties");
props.load(in);
in.close();
String drivers = props.getProperty("jdbc.drivers");
if (drivers != null) System.setProperty("jdbc.drivers", drivers);
String url = props.getProperty("jdbc.url");
String username = props.getProperty("jdbc.username");
String password = props.getProperty("jdbc.password");
return DriverManager.getConnection(url, username, password);
}