java读取properties文件



package com.ceair.common.util;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

public class PropertiesUtil {
 /**
  * 根据键值(KEY)获取对应的值
  *
  * @param 键值
  * @return
  */
 public static String getValue(String key) {
  return getValue("ibeconfig.properties", key);
 }

 /**
  * 根据键值(KEY)获取对应的值
  *
  * @param proFileName
  *            配置文件名称
  * @param key
  *            键值
  * @return
  */
 public static String getValue(String proFileName, String key) {
  try {
   Properties pro = new Properties();
   InputStream in = PropertiesUtil.class.getClassLoader()
     .getResourceAsStream(proFileName);

   pro.load(in);
   String value = pro.getProperty(key);
   in.close();
   return value;
  } catch (IOException e) {
   e.printStackTrace();
   return null;
  }
 }

 public static void main(String[] args) {
  System.out.println(getValue("b2tUrl.properties","eholiday.b2c.b2tBooking.url"));
 }

}