// 根据key读取value  
  public void readValue(String filePath, String key) {  
  
    Properties props = new Properties();  
  
    InputStream in = new BufferedInputStream(new FileInputStream(filePath));  
//Thread.currentThread().getContextClassLoader().getResourceAsStream("eop.properties");  
  
    props.load(in); // 从输入流中读取属性列表(键和元素对)  
    String value = props.getProperty(key);  
  }  
  
  // 读取properties的全部信息  
  public static void readProperties(String filePath) {  
    Properties props = new Properties();  
    InputStream in = new BufferedInputStream(new FileInputStream(filePath));    
    props.load(in);  
  
    Enumeration en = props.propertyNames();  
    while (en.hasMoreElements()) {  
      String key = (String) en.nextElement();  
      String value = props.getProperty(key);  
  　　}  
  }