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¡¡1¡¢Ê¹ÓÃjava.util.ResourceBundleÀàµÄgetBundle()·½·¨
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String name = "logging"; // the logging.properties file in src root folder
ResourceBundle rb = ResourceBundle.getBundle(name,Locale.getDefault());
// test the rb
String propertyKey = "xxx";
System.out.println(rb.getString(propertyKey));
¡¡2¡¢Ê¹ÓÃjava.util.PropertyResourceBundleÀàµÄ¹¹Ôì·½·¨
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String fileName = "src/logging.properties"; // the file path
InputStream in = new FileInputStream(fileName));
ResourceBundle rb = new PropertyResourceBundle(in);
// test the rb
String propertyKey = "xxx";
System.out.println(rb.getString(propertyKey));
¡¡3¡¢Ê¹ÓÃjava.util.PropertiesÀàµÄload()·½·¨
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String fileName = "src/logging.properties"; // the file path
InputStream in = new FileInputStream(fileName));
Properties prop = new Properties();
prop.load(in);
 
// test the prop
String propertyKey = "xxx";
System.out.println(prop.getProperty(propertyKey));
¡¡4¡¢Ê¹ÓÃclass±äÁ¿µÄgetResourceAsStream()·½·¨
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InputStream in = Properties.class.getResourceAsStream(name);
Properties p = new Properties();
p.load(in);
¡¡5¡¢Ê¹ÓÃclass.getClassLoader()ËùµÃµ½µÄjava.lang.ClassLoaderµÄgetResourceAsStream()·½·¨
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InputStream in = Properties.class.getClassLoader().getResourceAsStream(name);
Properties p = new Properties();
p.load(in);
¡¡6¡¢Ê¹ÓÃjava.lang.ClassLoaderÀàµÄgetSystemResourceAsStream()¾²Ì¬·½·¨
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InputStream in = ClassLoader.getSystemResourceAsStream(name);
Properties p = new Properties();
p.load(in);
¡¡7¡¢ServletÖпÉÒÔʹÓÃjavax.servlet.ServletContextµÄgetResourceAsStream()·½·¨
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InputStream in = context.getResourceAsStream(path);
Properties p = new Properties();
p.load(in);


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