PropertiesUtil

import java.io.InputStream;

import java.util.Properties;

public class PropertiesUtil {

private static Properties props = null;

        

         private synchronized static void loadProperties(){

                   props = new Properties();

                   try{

                            InputStream input = PropertiesUtil.class.getResourceAsStream("/com/sms/url.properties");

                            props.load(input);

                   }catch (Exception e) {

                            e.printStackTrace();

                   }

         }

        

         public static String getProperty(String propName){

                   loadProperties();

                   return props.getProperty(propName);

         }

        

}

原文地址:https://www.cnblogs.com/chinaifae/p/10400776.html