springboot 静态注入 单例

package com.b2q.web_push.util;

import io.goeasy.GoEasy;

import org.springframework.beans.factory.annotation.Value;

import org.springframework.stereotype.Component;

@Component

public class GoEasyUtil {

    private static String regionHost; //服务商网址

    private static String appkey ;//官网appkey

    @Value("${regionHost}")

    public void setregionHost(String regionHost){

        GoEasyUtil.regionHost = regionHost;

    }

    public static String getregionHost() {

        return regionHost;

    }

    @Value("${appkey}")

    public void setappkey(String appkey){

        GoEasyUtil.appkey = appkey;

    }

    public static String getappkey() {

        return appkey;

    }

    private static class GoEasyUtil1

    {

        public final static GoEasy instance = new GoEasy(regionHost,appkey);

    }

    public static GoEasy getGoEasy()

    {

        return GoEasyUtil1.instance;

    }

}