Java加载Prperties资源

1.
  Properties pro = new Properties();
  InputStream is = DruidDemo.class.getClassLoader().getResourceAsStream("druid.properties");
　pro.load(is);
　DataSource ds=DruidDataSourceFactory.createDataSource(pro);
　

2.

　　URL url = DruidDemo.class.getClassLoader().getResource("druid.properties");
   String path = url.getPath();
   pro.load(new FileReader(path));
　　url=pro.getProperty("url");

3. 获取application.properties文件

　　ResourceBundle bundle= ResourceBundle.getBundle("application", Locale.CHINA);
　　String address=bundle.getString("url")