Java中可以实现负载均衡的算法详解

import java.util.List;
import java.util.Random;
public class RandomLoadBalancer {
    private List<String> serverList;
    private Random random;
    public RandomLoadBalancer(List<String> serverList) {
        this.serverList = serverList;
        this.random = new Random();
    }
    public String getNextServer() {
        int index = random.nextInt(serverList.size());
        return serverList.get(index);
    }
}

import java.util.ArrayList;
import java.util.List;
public class Main {
    public static void main(String[] args) {
        List<String> serverList = new ArrayList<>();
        serverList.add("Server 1");
        serverList.add("Server 2");
        serverList.add("Server 3");
        RandomLoadBalancer loadBalancer = new RandomLoadBalancer(serverList);
        // 模拟处理10个请求
        for (int i = 0; i < 10; i++) {
            String server = loadBalancer.getNextServer();
            System.out.println("Request " + (i + 1) + " handled by " + server);
        }
    }
}

import java.util.List;
public class RoundRobinLoadBalancer {
    private List<String> serverList;
    private int currentIndex;
    public RoundRobinLoadBalancer(List<String> serverList) {
        this.serverList = serverList;
        this.currentIndex = 0;
    }
    public String getNextServer() {
        String server = serverList.get(currentIndex);
        currentIndex = (currentIndex + 1) % serverList.size();
        return server;
    }
}