读取配置文件和修改配置文件(ServiceIP.properties)(原创)

package espeed.util;

import java.io.*;
import java.util.Properties;

/*
 * 配置短信服务器IP(配置文件建在SRC下，ServiceIP.properties)
 */
public class EditServiceIP {
 private static Properties properties=new Properties();
 private static EditServiceIP esip;
 public EditServiceIP(){}
 
 public static EditServiceIP getInstance(){
  if(esip==null)
   esip=new EditServiceIP();
  return esip;
 }
 //取得短信服务器IP
    public  String getSmsServiceIP(){
  InputStream is=EditServiceIP.class.getClassLoader().getResourceAsStream("ServiceIP.properties");
  try {
   properties.load(is);
  } catch (IOException e) {
   // TODO Auto-generated catch block
   System.out.println("------------取得短信服务器IP地址发生IO异常");
  }
  String provalue=properties.getProperty("SMS.ServiceIP");
  return provalue;
    }
 //修改短信服务器IP
 public  String  modifySmsServieIP(String smsServiceIP){
  File file=new File(EditServiceIP.class.getClassLoader().getResource("ServiceIP.properties").getPath());
  
  try{
    properties.load(new FileInputStream(file));
    properties.setProperty("SMS.ServiceIP", smsServiceIP);
    properties.store(new   FileOutputStream(file),"config service ip");
    System.out.println("modify succ");
    return "success";
  }catch(FileNotFoundException e1){
   System.out.println("------------没有找到配置文件--------");
   return "false";
  }catch(IOException e2){
   System.out.println("------------修改短信服务器IP地址发生IO异常");
   return "false";
  }
  
 }

}