web项目中加载配置信息,废话不说,直接上代码
ClassLoader loader = Thread.currentThread().getContextClassLoader(); URL url = null; String propertyName = "url.properties"; if (loader instanceof URLClassLoader) { URLClassLoader ucl = (URLClassLoader) loader; url = ucl.findResource(propertyName); } if (url == null) { url = loader.getResource(propertyName); } if (url == null) { System.out.println("No properties file: " + propertyName + " found"); } else { Properties bundle = new Properties(); InputStream is = url.openStream(); if (is != null) { bundle.load(is); is.close(); } else { throw new IOException("Properties file " + propertyName + " not available"); } Enumeration<?> propertyNames = bundle.propertyNames(); while (propertyNames.hasMoreElements()) { String key = (String) propertyNames.nextElement(); String value = bundle.getProperty(key); groupListMap.put(key, Arrays.asList(value.split(","))); System.out.print("Loaded user " + key + ":"); for (String role : groupListMap.get(key)) { System.out.print(" " + role); } System.out.println(); } }