分兩個部分。第一部分是  config.properties檔案

第二部分是 獲取config.properties檔案內容。連線oracle資料

# do not write in chinese
driverName=oracle.jdbc.driver.OracleDriver
url=jdbc:oracle:thin:@192.168.0.202:1521:tarena
username=jsd1505
password=jsd1505
maxActive=1
maxWait=5000

public class ReadProperties {
	private static BasicDataSource cp;
	static{
	try {				
		Properties p=new Properties();
		p.load(new FileInputStream("config.properties"));
		cp=new BasicDataSource();
		cp.setDriverClassName(p.getProperty("driverName"));
		cp.setUrl(p.getProperty("url"));
		cp.setUsername(p.getProperty("username"));
		cp.setPassword(p.getProperty("password"));
		cp.setMaxActive(Integer.parseInt(p.getProperty("maxActive")));
		cp.setMaxWait(Integer.parseInt(p.getProperty("maxWait")));						
	} catch (FileNotFoundException e) {	
		e.printStackTrace();
	} catch (IOException e) {		
		e.printStackTrace();
	}
}
	public static Connection getConnection() throws Exception{
		return cp.getConnection();
	}
	public static void closeConnection(Connection conn) {
		if(conn!=null){
			try {
				conn.close();
			} catch (SQLException e) {				
				e.printStackTrace();
			}
		}
	}
}