【怎么做到随机选择服务器？ _分布式】

怎么做到随机选择服务器？

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回答(2)

分布式

详细描述

错误截图

源码

@Scheduled(cron = "0 0/3 * * * ?")
    private static void print(){
        flagA=0;
        flagB=0;
        System.out.print("将A、B清0\n");
    }

//   private static ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml");
//   private static UserRmiService userRmiService = (UserRmiService) context.getBean("loadBalancedService");


   private static UserRmiService load(){
       if (Math.random()<0.5 && flagA==0) {
           try {
               System.out.print("准备调用:");
               userRmiService = (UserRmiService) context.getBean("userRmiServiceA");
               System.out.print("调用成功8080端口"+userRmiService+"\n");
           }
           catch (Exception e ){
               flagA = 1;
               userRmiService = (UserRmiService) context.getBean("userRmiServiceB");
               System.out.print("调用失败尝试调用:"+userRmiService+"\n");
           }
       }
       else  if (flagB==0){
           try {
               System.out.print("准备调用:");
               userRmiService = (UserRmiService) context.getBean("userRmiServiceB");
               System.out.print("调用成功8082端口"+userRmiService+"\n");
           }
           catch (Exception e){
               flagB = 1;
               userRmiService = (UserRmiService) context.getBean("userRmiServiceA");
               System.out.print("调用失败尝试调用:"+userRmiService+"\n");
           }
       }
       else if(flagA==1 && flagB ==1) {
           System.out.print("两个端口都挂了,你在搞毛线\n");
       }
       return userRmiService;
   }

编辑于2025-04-30

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[无名弟子]李恪非
0

可以通过以下代码的思路做，或者自己写一个轮询工厂：@Scheduled(cron="00/3***?")privatestaticvoidprint(){flagA=0;flagB=0;System.out.print("将A、B清0\n");}//privatestaticApplicationContextcontext=newClassPathXmlApplicationContext("applicationContext.xml");//privatestaticUserRmiServiceuserRmiService=(UserRmiService)context.getBean("loadBalancedServi... 查看全部>

编辑于2018-05-19
[西安|荣耀师兄]JAVA-孙若飞
0

使用随机数和trycatch 查看全部>

编辑于2019-05-14

去第页