<%@page import="java.io.InputStream" %>
<%@page import="java.util.Properties" %>

<%
    InputStream is= application.getResourceAsStream("/db.properties");
    Properties props = new Properties();
    props.load(is);
%>

------解决方案--------------------
lz是用jsp吗？如下

Java code

<%@page import="java.io.InputStream" %>
<%@page import="java.util.Properties" %>

<%
    InputStream is= application.getResourceAsStream("/db.properties");
    Properties props = new Properties();
    props.load(is);
%>

------解决方案--------------------
InputStream in = new FileInputStream(path);
Properties property = new Properties();
property.load(in);
ResourceBundle bundle = ResourceBundle.getBundle("db");
String driverClassName = bundle.getString("driverClassName");

------解决方案--------------------
	  InputStream in = new FileInputStream(path);
		  Properties property = new Properties();
		  property.load(in);
		 ResourceBundle bundle = ResourceBundle.getBundle("db");
			String userName = bundle.getString("userName");