调用：

Configure.getValue("discount.strategy.class");

　　

配置类：

package com.util;import com.sun.javafx.fxml.PropertyNotFoundException;import java.io.InputStream;import java.util.Properties;public class Configure {    private static Properties config;    static {        System.out.println("初始化加载配置！");        String filePath = "application.properties";        config = new Properties();        try {            ClassLoader CL = Configure.class.getClassLoader();            InputStream in;            if (CL != null) {                in = CL.getResourceAsStream(filePath);            } else {                in = ClassLoader.getSystemResourceAsStream(filePath);            }            config.load(in);            in.close();        } catch (Exception e) {            throw new PropertyNotFoundException("服务器配置信息读取错误：" + e.getMessage());        }    }    public static String getValue(String key) {        if (config.containsKey(key)) {            String value = config.getProperty(key);            return value;        } else {            return "";        }    }    public static int getValueInt(String key) {        String value = getValue(key);        int valueInt = 0;        try {            valueInt = Integer.parseInt(value);        } catch (NumberFormatException e) {            e.printStackTrace();            return valueInt;        }        return valueInt;    }}