Servlet（二）

通过servletCOnfig获取servlet配置的初始化参数

通过servletContexg,获取为web应用配置的初始化参数
ClassLoader loader = StudentDao.class.getClassLoader();URL url = loader.getResource("com/dao/db.properties");String filepath = url.getPath();FileInputStream in = new FileInputStream(filepath);Properties prop = new Properties();  //mapprop.load(in);String dburl = prop.getProperty("url");String username = prop.getProperty("username");String password = prop.getProperty("password");
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