读取配置文件的方法

第一种

 1 try{
 2                 //读取配置文件
 3                 Properties prop = new Properties();            
 4                 InputStream is = DBUtil.class.getClassLoader().getResourceAsStream("config.properties");
 5                 prop.load(is);
 6                 is.close();
 7         
 8                 //获取驱动
 9                 String driver = prop.getProperty("jdbc.className");
10                 
11                 System.out.println(driver);
12                 //获取地址
13                 url = prop.getProperty("jdbc.url");
14                 
15                 //获取用户名
16                 user = prop.getProperty("jdbc.username");
17             
18                 //获取密码
19                 pwd = prop.getProperty("jdbc.password");
20                             
21                 //注册驱动
22                 Class.forName(driver);
23                 
24             }catch(Exception e){
25                 e.printStackTrace();
26             }

第二种

            Properties prop = new Properties();
            try {
                String path = "WEB-INF/classes";
                path = request.getSession().getServletContext().getRealPath(path);

                InputStream is = new FileInputStream(path+"/arcgis.properties");
                prop.load(is);
                is.close();
                String mapserver = prop.getProperty("MAPSERVER");
                model.addAttribute("mapserver", mapserver);
                return "view/gp/bian_all";
            } catch (Exception e) {
                e.printStackTrace();
                return null;
            }