Java 操作Properties配置文件详解

InputStream inStream = TestProperties.class.getClassLoader().getResourceAsStream("demo.properties"); //通过当前类加载器的getResourceAsStream方法获取//TestProperties当前类名；TestProperties.class.取得当前对象所属的Class对象； getClassLoader()：取得该Class对象的类装载器InputStream in = ClassLoader.getSystemResourceAsStream("filePath");InputStream inStream = new FileInputStream(new File("filePath")); //从文件获取InputStream in = context.getResourceAsStream("filePath");     //在servlet中，可以通过context来获取InputStreamInputStream inStream = new URL("path").openStream(); 　　　　　　　　　　 //通过URL来获取