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 = Bundle(name, Default());
  3。使用java.util.PropertyResourceBundle类的构造函数img2img是什么意思
  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 = ResourceAsStream(name);
  Properties p = new Properties();
  p.load(in);
  5。使用ClassLoader()所得到的java.lang.ClassLoader的getResourceAsStream()方法
  示例： InputStream in = ClassLoader().getResourceAsStream(name);
  Properties p = new Properties();
  p.load(in);
  6。使用java.lang.ClassLoader类的getSystemResourceAsStream()静态方法
systempause用法  示例： InputStream in = SystemResourceAsStream(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 = ResourceAsStream(path);表格concatenate函数加入破折号
  Properties p = new Properties();
  p.load(in);
  JProperties.java文件
  public class JProperties {
  public final static int BY_PROPERTIES = 1;
  public final static int BY_RESOURCEBUNDLE = 2;
  public final static int BY_PROPERTYRESOURCEBUNDLE = 3;
  public final static int BY_CLASS = 4;
  public final static int BY_CLASSLOADER = 5;
  public final static int BY_SYSTEM_CLASSLOADER = 6;
  public final static Properties loadProperties(final String name, final int type) throws IOException {
  Properties p = new Properties();
  InputStream in = null;
  if (type == BY_PROPERTIES) {
  in = new BufferedInputStream(new FileInputStream(name));
  assert (in != null);
  p.load(in);
  } else if (type == BY_RESOURCEBUNDLE) {
  ResourceBundle rb = Bundle(name, Default());
  assert (rb != null);
  p = new ResourceBundleAdapter(rb);
  } else if (type == BY_PROPERTYRESOURCEBUNDLE) {
  in = new BufferedInputStream(new FileInputStream(name));
  assert (in != null);
  ResourceBundle rb = new PropertyResourceBundle(in);
  p = new ResourceBundleAdapter(rb);
  } else if (type == BY_CLASS) {
plc基础知识课件
  assert (JProperties.class.equals(new JProperties().getClass()));
  in = ResourceAsStream(name);
  assert (in != null);
程序员培训班价格  p.load(in);
  // return new JProperties().getClass().get
ResourceAsStream(name);
  } else if (type == BY_CLASSLOADER) {
  assert (ClassLoader().equals(new JProperties().getClass().getClassLoader()));
  in = ClassLoader().getResourceAsStream(name);
  assert (in != null);
  p.load(in);
  // return new JProperties().getClass().getClassLoader().getResourceAsStream(name);
  } else if (type == BY_SYSTEM_CLASSLOADER) {
  in = SystemResourceAsStream(name);
  assert (in != null);
  p.load(in);
  }
  if (in != null) {
  in.close();
  }
  return p;
  }
  // ---------------------------------------------- servlet used
  // ---------------------------------------------- support class
  public static class ResourceBundleAdapter extends Properties {
  public ResourceBundleAdapter(ResourceBundle rb) {
  assert (rb instanceof java.util.PropertyResourceBundle);
  this.rb = rb;
  java.util.Enumeration e = rb.getKeys();
  while (e.hasMoreElements()) {
  Object o = e.nextElement();
  this.put(o, rb.getObject((String) o));
  }
  }
  private ResourceBundle rb = null;
  public ResourceBundle getBundle(String baseName) {
  Bundle(baseName);
properties是什么文件  }
  public ResourceBundle getBundle(String baseName, Locale locale) {
  Bundle(baseName, locale);
  }
  public ResourceBundle getBundle(String baseName, Locale locale, ClassLoader loader) {
  Bundle(baseName, locale, loader);
  }

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