java读取属性文件properties文件

1.属性文件如下：

2.java调用如下，Config.java:

package com.whxd.smarthome;import java.io.IOException;import java.util.Properties;public class Config {// 主机        public static String host;// 用户public static String devUser;public static String devPassword;static {Properties props = new Properties();try {props.load(Config.class.getClassLoader().getResourceAsStream("config.properties"));host = props.getProperty("dh.host");devUser = props.getProperty("dh.devUser");devPassword = props.getProperty("dh.devPassword");} catch (IOException e) {e.printStackTrace();}}}