用Java读取Properties文件六种方法

    技术2022-05-19  27

    1、使用java.util.Properties类的load()方法

    示例:

    InputStream in = lnew BufferedInputStream(new FileInputStream(name));

    Properties p = new Properties();

    p.load(in);

    2、使用java.util.ResourceBundle类的getBundle()方法

    示例:

    ResourceBundle rb = ResourceBundle.getBundle(name, Locale.getDefault());

    3、使用java.util.PropertyResourceBundle类的构造函数

    示例:

    InputStream in = new BufferedInputStream(new FileInputStream(name));

    ResourceBundle rb = new PropertyResourceBundle(in);

    4、使用class变量的getResourceAsStream()方法

    示例:

    InputStream in = JProperties.class.getResourceAsStream(name);

    Properties p = new Properties();

    p.load(in);

    5、使用class.getClassLoader()所得到的java.lang.ClassLoader的getResourceAsStream()方法

    示例:

    InputStream in = JProperties.class.getClassLoader().getResourceAsStream(name);

    Properties p = new Properties();

    p.load(in);

    6、使用java.lang.ClassLoader类的getSystemResourceAsStream()静态方法

    示例:

    InputStream in = ClassLoader.getSystemResourceAsStream(name);

    Properties p = new Properties();

    p.load(in);

    补充

    Servlet中可以使用javax.servlet.ServletContext的getResourceAsStream()方法

    示例:

    InputStream in = context.getResourceAsStream(path);

    Properties p = new Properties();

    p.load(in);


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